Disallow user to modify URL in browser address bar
How to identify if user has manipulated the URL in Address Bar of the browser? For ex., the application displays a page with the following URL: http://localhost:8080/app/str/testview_srchpost.do Now, the user modifies the URL in the address bard. Instead of testview_srchpost.do, user types testtwoview_srchpost.do and clicks ENTER. I want to restrict such types of URL modification Struts application. I should take the user to a default access denied page when ever user does such changes. How to identify this action of the user? Pl. give some ideas.
Re: Telling Users to Wait
Hi; The method I use (which gives no % update) is I forward to a page that says please wait and has an animated gif. That page does a meta http-equiv=refresh... to the servlet that runs the database work. This way the please wait page is displayed until the database work completes and it's page is displayed. - dave - Original Message - From: Mark Silva [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Thursday, August 21, 2003 6:02 PM Subject: Telling Users to Wait Hello Struts Gurus, I am facing an issue in my application where I need to run a database creation script, and a database import script through the web (running bat files on the server). I can run these files fine, but they take a few minutes to run... How can I tell the user when they have finished running? This seems to be a sort of push technology I am in need of, but maybe there is another way?. I can definitely tell them to wait for a few minutes, but how do I actually tell them when the process is done (since there is not another page request at this time.) Has anyone done something similar to this? Thanks, Mark - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: Quick Java question..
Or you simple pass in an array of arguments
public void myMethod(String[] args){}
Then you can handle as much Strings as you want
-Ursprüngliche Nachricht-
Von: Michael Thompson [mailto:[EMAIL PROTECTED]
Gesendet: Freitag, 22. August 2003 01:08
An: Struts Users Mailing List
Betreff: Re: Quick Java question..
Or wait till 1.5 ;)
http://developer.java.sun.com/developer/community/chat/JavaLive/2003/jl0
729.html
*Neal Gafter*: Then there's autoboxing/unboxing and varargs. Boxing
allows you to use a primitive int instead of a |java.lang.Integer|, and
unboxing does the reverse. varargs allows you to declare a method that
takes a variable number of arguments, which are automatically packed up
into an array before being passed to the method.
--m
Alex Shneyderman wrote:
You can make your parms Object []
This way you can pass as many params as you want.
Of course you will need to keep track of what element is what.
Maybe Java 1.5 will have the feature you are looking for :-)
Alex.
-Original Message-
From: Mark Galbreath [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 6:51 PM
To: 'Struts Users Mailing List'
Subject: RE: Quick Java question..
sorry, dude, but param arguments are evaluated at compile time. The
best
you could do is overload the method.
Mark
-Original Message-
From: David Erickson [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 6:00 PM
To: Struts Mailing List
Subject: Quick Java question..
Hey as I've been building my actions I was thinking it could be useful
for
me to have a method that does some database querying, but I would like
to
give the user the ability to narrow down that query with as many input
fields as he needs. Is there a way to write a method that takes a
non-set
amount of arguments? (Other than just passing the method a growable
array.. which is a viable alternative)
Ie
public String myfunction(String a, String b, String c on down the
line
indefinitly)
?
I thought I had seen this done somewhere somehow but I may be wrong.
Thanks!
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RE: Horizon: a view management plugin
I must confess to being a bit confused! What is the difference between your approach and getting an instance of a Dyna, viz: DynaActionFormClass dafc = DynaActionFormClass.getDynaActionFormClass(Dyna-Definition-Name-In-Struts-C onfig); DynaActionForm myBean = (DynaActionForm) dafc.newInstance(); At least with the above approach the beans are stored in struts-config in the usual struts syntax - it's just they're not used in the action name parameter - but are created on-the-fly in an action (or wherever) with the above code. I'm concerned I may be missing some obvious advantage to your approach - hence the reason for the question! Hue. -Original Message- From: Pedro Emanuel de Castro Faria Salgado [mailto:[EMAIL PROTECTED] Sent: 21 August 2003 16:15 To: [EMAIL PROTECTED] Subject: Re: Horizon: a view management plugin Pedro Emanuel de Castro Faria Salgado wrote: Hi, I have built a plugin for Struts that creates view beans using dynabeans that are defined on a xml file and i was wondering if anyone in the Struts project/mailing list was interested on checking the use of it? When I see dynabean are you saying BeanUtils.DynaBean and what is a 'view bean', do you mean a Action Form ? yes If so what is the difference between your plugin and a DynaActionForm ? i think, actually, there is none... the difference is for what i use the view beans for: transfering data from actions to build combobox on form and present data that isn't on a form. i know i can use the form itself to put a collection to build a combobox and use another form bean property to store the user input but it is less confusing if i define forms with only the properties the user can enter data and another bean for transmitting data (dto... in my case i call it view bean). before the plugin i had to define a new java class (attributes + getters/setters) for each new dto i wanted, now, i only need to add some lines to a xml file... Given that your plugin is generally useful then there are several options : 1) Since web space can gotten for free now days you could always post it on a site with some documentation on how to use it. i will see what i can do... 2) We are using the http://www.sf.net/projects/struts site as an incubator for projects you can post there to see if there is interest. thank you for the tip... 3) Find someone else with a struts web site, that would host it. Most importantly having an example, that is documented is key. I have already sent the source on another email so you can take a look (src + javadoc + ant file) and i am finishing a small web app. thanks for the tips... Pedro Salgado - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.512 / Virus Database: 309 - Release Date: 19/08/2003 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.512 / Virus Database: 309 - Release Date: 19/08/2003 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RE: Does Tiles supports skins???
Cal, Thanks, it works but I have an additional question. Creating a tiles action and using the findAttributeNames method of the Component Context, I get only the put attributes, but how can I get the path of the definition?, because I have different layouts for the skins. I read in the Tiles Advanced Features how can I switch the path including a path with the Request Dispatcher class, but I should read first the path attribute to change the skin directory. Thanks in advance. Antonio - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: How to set charset UTF-8
We got a similar problem. At the very beginning, it looks like the processContent() method in the request processor would do the job for you if the ControllerConfig is set correctly. But the story is more complicated than I thought. It looks to me the container has the right to override the content type and/or the character encoding. From the JSP Specification, we have some statements like A JSP container may use some implementation-dependent heuristics and/or structure to determine what the expected character encoding of a JSP page is... The default implementations from Tomcat, OC4J, and SunOne are different. jsp:directive.page pageEncoding=ISO-8859-1 contentType=text/html/ is used in every JSP page. The Tomcat 4.1.24 generates a statement setContentType(text/html;charset=ISO-8859-1); // good The OC4J 9.0.3 generates the statement setContentType(text/html;charset=UTF-8); // something not expected The SunOne App7 generates the statement setContentType(text/html); // something shorter with warning message. The Resin 2.1.10 does the same as SunOne but without warning message. I am not sure what we are missing here. Anyway, we could not *force* them to produce the expected content type and the character encoding except on Tomcat. Jing Netspread Carrier http://www.netspread.com - Original Message - From: Van Riper, Mike [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Cc: 'Billy Ng' [EMAIL PROTECTED] Sent: Thursday, August 21, 2003 4:30 PM Subject: RE: How to set charset UTF-8 I added the following to test what encoding my Struts app is using % response.setContentType(text/html; charset=UTF-8); System.out.println(response.getCharacterEncoding()); % But it still print out the ISO-8859-1, why? How can I set the contentType to text/html; charset=UTF-8 This is just a hunch, but, I suspect you can't change the character encoding after you have started writing content to the stream. In that case, your best bet is to do this at the very top of the JSP page: %@ page contentType=text/html;charset=UTF-8 language=java % Also, there is another consideration if you are using Tiles. Again this is just a hunch, but, I suspect that you would have to have that directive as the first line of your Tiles master layout template JSP. The concept mentioned above for a single page applies to a Tiles page generated dynamically from multiple JSPs all writing to the same response stream. We ran into something like this using the Struts template custom tags with Struts 1.0 back in 2001. We were correctly setting the character encoding using the page directive on individual content JSPs, but, had left it off our master page layout template JSP. So, it never took until we tracked that down. Duh! Hope this helps, Van Mike Van Riper mailto:[EMAIL PROTECTED] http://www.baychi.org/bof/struts - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
multiple input form editing problem
LO, I have a form with multiple input as this input type=text name=surname input type=text name=name input type=text name=surname input type=text name=name input type=text name=surname input type=text name=name ... i made a usersForm as this : private String[] name = null; private String[] surname = null; ... I would like to show the content of a the usersForm object preloaded from an Action for editing datas I tried as this : % int i=0; % html:form name=xxx.do logic:iterate... % String surname = surname[+i+]; String name = name[+i+]; i++; % input type=text name=%= surname % input type=text name=%= name % /logic:iterate /html:form This show magically the correct values on screen but as this in HTML code : input type=text name=surname[0] value=toto input type=text name=name[0] value=TO input type=text name=surname[1] value=tata input type=text name=name[1] value=TA So when i submit this form The usersForm can't retrieve new values because of the bad name of property (surname[0], name[0], surname[1], name[1],...) I think it must exist a simpliest solution using indexed attribute or others but i don't know what. And the documentations on struts are so poor for this kind of problem. sincerly Florent -- Ce message est protege par les regles relatives au secret des correspondances ; il peut en outre contenir des informations a caractere confidentiel ou protegees par differentes regles et notamment le secret des affaires ; il est etabli a destination exclusive de son destinataire. Toute divulgation, utilisation, diffusion ou reproduction (totale ou partielle) de ce message, ou des informations qu'il contient, doit etre prealablement autorisee. Tout message electronique est susceptible d'alteration et son integrite ne peut etre assuree. Les AGF declinent toute responsabilite au titre de ce message s'il a ete modifie ou falsifie. Si vous n'etes pas destinataire de ce message, merci de le detruire immediatement et d'avertir l'expediteur de l'erreur de distribution et de la destruction du message. This message is protected by the secrecy of correspondence rules ; furthermore it may contain privileged or confidential information that is protected by law, notably by the secrecy of business relations rule ; it is intended solely for the attention of the addressee . Any disclosure, use, dissemination or reproduction (either whole or partial) of this message or the information contained herein is strictly prohibited without prior consent. Any electronic message is susceptible to alteration and its integrity can not be assured. AGF declines any responsibility for this message in the event of alteration or falsification.. If you are not the intended recipient, please destroy it immediately and notify the sender of the wrong delivery and the mail deletion. -- - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
problems with ActionConfig
Hello, I use a subclass of ActionConfig for additional properties. Now I added a map with a bean-property interface like get/setAttribute and getAttributeNames which returns the map. With added log-statements I verified, that the additional parameter is put into the list. When this action is called, I check the map again, with the result that it is empty now. Does anybody have an idea about my error? Is there a special gotcha that I'm trapped into? Thanks in advance for your help. Gero - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: problems with ActionConfig
Im not really clear on what your doing. Can you give some detail, and perhaps some snippets of code? What do you mean by added a map? -Original Message- From: Geronimo Ma. Hernandez [mailto:[EMAIL PROTECTED] Sent: Friday, 22 August 2003 17:38 To: Struts Users Mailing List Subject: problems with ActionConfig Hello, I use a subclass of ActionConfig for additional properties. Now I added a map with a bean-property interface like get/setAttribute and getAttributeNames which returns the map. With added log-statements I verified, that the additional parameter is put into the list. When this action is called, I check the map again, with the result that it is empty now. Does anybody have an idea about my error? Is there a special gotcha that I'm trapped into? Thanks in advance for your help. Gero - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: problems with ActionConfig
Andrew Hill wrote: Im not really clear on what your doing. Can you give some detail, and perhaps some snippets of code? What do you mean by added a map? Sorry for being unprecise. I added a map to the ActionConfig-subclass. The map is created in the default constructor. In the struts-config I have a set-property ... with the value beeing a comma separated list. The ActionConfig-class has a setter which splits the string and adds each element to the map. Regarding to the logfile - that part works. When the action gets called, I check the mapping argument of beeing my ActionConfig-subclass, do the typecast and then check the map. At that moment the map is empty. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Problem with nested:submit ... and Form reset
Hi all
I have problem with one of my submit buttons on my form ,
Each time the following submit is clicked nested:submit
property=insertDepartment Add a new Dept /nested:submit
I need to execute the setInsertDepartment method of the Form class, however
this also results in the reset method of the Form get called
Can I prevent the reset method being called or if it is called to do a
selective reset ?
I would like to retain the reset method as it is possible that the Form may
be reset to a default state .
The Form class is
public class CompanyForm extends ActionForm {
public CompanyForm() {
dept = new Vector();
dept.add(new org.volvic.Dept() );
name = ;
registedOffice = yyy;
}
public void setInsertDepartment(String temp ) {
System.out.println(@@ CompanyForm java
bean Set );
dept.add(new org.volvic.Dept() );
}
public void reset(org.apache.struts.action.ActionMapping actionMapping,
javax.servlet.http.HttpServletRequest httpServletRequest) {
System.out.println(@ RESET WAS CLICKED ) ;
dept = new Vector();
dept.add(new org.volvic.Dept() );
}
}
The following snippet is from the jsp
nested:root name=company
nested:form action=/showDept
tr
nested:submit property=insertDepartment Add a new Dept
/nested:submit
tr td Company Name : td nested:write property=name / /tr
tr td colspan=2 i is located at the following address /i /tr
tr td Address : nested:write property=registedOffice / /tr
tr td colspan=2 Departments available are /tr
table bgcolor=#F0F0F0 border=1
nested:iterate property=dept type=org.volvic.Dept
tr td nested:write property=DName / td nested:write
property=DLocation /
td nested:submit property=updateLocation update /nested:submit
/tr
/nested:iterate
/table
/nested:form
/nested:root
Rupinder
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RE: problems with ActionConfig
Ah, ok. I understand now. So the string that gets passed to the setter looks something like: foo,bar,baz? And then you split it in the setter (using a StringTokenizer or some such similar method) and call map.put() for each token? What are you using as a key for each token? When you say its empty do you mean you cant find the things you put in it or have you done an explicit test and seen that Map.isEmpty() returns true? -Original Message- From: Geronimo Ma. Hernandez [mailto:[EMAIL PROTECTED] Sent: Friday, 22 August 2003 18:05 To: Struts Users Mailing List Subject: Re: problems with ActionConfig Andrew Hill wrote: Im not really clear on what your doing. Can you give some detail, and perhaps some snippets of code? What do you mean by added a map? Sorry for being unprecise. I added a map to the ActionConfig-subclass. The map is created in the default constructor. In the struts-config I have a set-property ... with the value beeing a comma separated list. The ActionConfig-class has a setter which splits the string and adds each element to the map. Regarding to the logfile - that part works. When the action gets called, I check the mapping argument of beeing my ActionConfig-subclass, do the typecast and then check the map. At that moment the map is empty. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Nested tags and recursive inclusion
Hello, I am trying to make recursive inclusion work with nested tags on Websphere but am running into some problems. This is what my code looks like. In main jsp: nested:nest property=tree jsp:include page=treenode.jsp flush=true/ /nested:nest But I get an exception stating: Illegal to flush within a custom tag. If I do not flush I get an invalid jsp:include tag exception. Can someone help me with this? Thanks and Regards Yamini Ayyagari - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Struts Validator mask
I am trying to write a regular expression to represent a network path.
Network paths are of the form
\\path\to\folder
The regular expression which I thought would achieve this is
^\{2}([A-Za-z0-9]-_)+\{1}([A-Za-z0-9]-_\)+$
But I am having no luck. Can anyone help?
Thanks
Daniel Massie
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Re: problems with ActionConfig
Andrew Hill wrote: And then you split it in the setter (using a StringTokenizer or some such similar method) and call map.put() for each token? What are you using as a key for each token? my value looks like user:session, userList:request, where the list is split by the , and the entries are split by : so that user is a key and session is a value. When you say its empty do you mean you cant find the things you put in it or have you done an explicit test and seen that Map.isEmpty() returns true? well both. nearly. I didn't use Map.isEmpty(), I use Map.size() which returns 0. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: RE: Does Tiles supports skins???
Antonio The trick is that the layout is actual a put attribute. You then use that layout as the target of the Request Dispatcher. I took the example class Cedric provided and modified it some. This weekend I can post to the web along with the tiles.xml. Cal http://www.calandva.com/Last update 08/01/03 -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 03:58 To: Struts Users Mailing List Subject: Re: RE: Does Tiles supports skins??? Cal, Thanks, it works but I have an additional question. Creating a tiles action and using the findAttributeNames method of the Component Context, I get only the put attributes, but how can I get the path of the definition?, because I have different layouts for the skins. I read in the Tiles Advanced Features how can I switch the path including a path with the Request Dispatcher class, but I should read first the path attribute to change the skin directory. Thanks in advance. Antonio - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] Learn more about Paymentech's payment processing services at www.paymentech.com THIS MESSAGE IS CONFIDENTIAL. This e-mail message and any attachments are proprietary and confidential information intended only for the use of the recipient(s) named above. If you are not the intended recipient, you may not print, distribute, or copy this message or any attachments. If you have received this communication in error, please notify the sender by return e-mail and delete this message and any attachments from your computer. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Validating uploaded file as an image only
Hi everyone, I've managed to get the struts file upload working successfully, using the struts FormFile class and the upload example. Cool :-) However, in my app, I only want images to be uploaded. I'm going to store the images on disk and put the path of the image file into the database. So I need to validate that only images are getting uploaded, not other file-types. I know nothing really about how to do this. I could just check that string returned by: FormFile.getContentType( ) is equal to image-gif, image-bnp, or image-jpeg. But is this enough? Also, I have noticed that when I upload an image file and the little Browser window pops up, if I select a gif image, but the file type bar says All files then the file isn't recognized as an image. It's recognized as an octet-stream. So does the browser window specify the file type to the browser? Anyway, Hope someone can give me some advice, As always, Thanks very much, Brian
Attempt to clear a buffer that's already been flushed
I cannot figure out why I get this message when trying to export the result using the displaytag. I have included all the files I need using jsp:include page=filename / without having the flush=true Why do I get this? cheers, Bard - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Struts Action or EJB session bean
My EJB/Web application lets users upload files to the system and later serve them those files when needed. My question is: Who should or recommended to handle the saving of the uploaded file? The EJB session bean or the struts UploadAction? Thanks in advance, Erez - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Disallow user to modify URL in browser address bar
What you are wanting is not possible. It's YOUR job (as a developer) to handle situations where they may have done so. Hint: unknown=true Good Luck!!! -- James Mitchell Software Engineer / Struts Evangelist http://www.struts-atlanta.org 678.910.8017 AIM:jmitchtx -Original Message- From: sriram [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 2:16 AM To: 'Struts Users Mailing List' Subject: Disallow user to modify URL in browser address bar How to identify if user has manipulated the URL in Address Bar of the browser? For ex., the application displays a page with the following URL: http://localhost:8080/app/str/testview_srchpost.do Now, the user modifies the URL in the address bard. Instead of testview_srchpost.do, user types testtwoview_srchpost.do and clicks ENTER. I want to restrict such types of URL modification Struts application. I should take the user to a default access denied page when ever user does such changes. How to identify this action of the user? Pl. give some ideas. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: problems with ActionConfig
Hmmm. Well that clarifies things a lot. Id had a theory that perhaps it might be something to do with the key that you use and that you just werent finding them again correctly (maybe using a custom object for the key that didnt override hashcode()) but since there is nothing in the map at all that cant be the case. Based on the information you have provided it *should* work! I think we will need to see some source. Are you able to post the code for the setter getter methods, and a sample action mapping from your struts-config? Better add a snippet from an action where you try to access it too. btw I'll be heading home shortly (its 7:30pm here) so I might not get to see the reply till Monday. /btw -Original Message- From: Geronimo Ma. Hernandez [mailto:[EMAIL PROTECTED] Sent: Friday, 22 August 2003 19:06 To: Struts Users Mailing List Subject: Re: problems with ActionConfig Andrew Hill wrote: And then you split it in the setter (using a StringTokenizer or some such similar method) and call map.put() for each token? What are you using as a key for each token? my value looks like user:session, userList:request, where the list is split by the , and the entries are split by : so that user is a key and session is a value. When you say its empty do you mean you cant find the things you put in it or have you done an explicit test and seen that Map.isEmpty() returns true? well both. nearly. I didn't use Map.isEmpty(), I use Map.size() which returns 0. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Disallow user to modify URL in browser address bar
Hallo, you can, for example, add to url some hash with parameters and salt ... Jiri James Mitchell wrote: What you are wanting is not possible. It's YOUR job (as a developer) to handle situations where they may have done so. Hint: unknown=true Good Luck!!! -- James Mitchell Software Engineer / Struts Evangelist http://www.struts-atlanta.org 678.910.8017 AIM:jmitchtx -Original Message- From: sriram [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 2:16 AM To: 'Struts Users Mailing List' Subject: Disallow user to modify URL in browser address bar How to identify if user has manipulated the URL in Address Bar of the browser? For ex., the application displays a page with the following URL: http://localhost:8080/app/str/testview_srchpost.do Now, the user modifies the URL in the address bard. Instead of testview_srchpost.do, user types testtwoview_srchpost.do and clicks ENTER. I want to restrict such types of URL modification Struts application. I should take the user to a default access denied page when ever user does such changes. How to identify this action of the user? Pl. give some ideas. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Validating uploaded file as an image only
PS - there was a discussion recently on how to improve the Validator. Validating an uploaded file based on mime type would be cool ! A quick search on the web led me to a company that does this With a java api http://www.oop-reserch.com/mime_prop.html It seems in jdk1.4 you can actually validate based on the binary pattern expected for a mime type. So if it is a gif, you can check that the bit pattern of the uploaded file matches that of a gif. This is apparently to avoid users uploading say a text file named mytextfile.gif Now that would be nice :-) Brian -Original Message- From: Brian McSweeney [mailto:[EMAIL PROTECTED] Sent: 22 August 2003 11:13 To: 'Struts Users Mailing List' Subject: Validating uploaded file as an image only Hi everyone, I've managed to get the struts file upload working successfully, using the struts FormFile class and the upload example. Cool :-) However, in my app, I only want images to be uploaded. I'm going to store the images on disk and put the path of the image file into the database. So I need to validate that only images are getting uploaded, not other file-types. I know nothing really about how to do this. I could just check that string returned by: FormFile.getContentType( ) is equal to image-gif, image-bnp, or image-jpeg. But is this enough? Also, I have noticed that when I upload an image file and the little Browser window pops up, if I select a gif image, but the file type bar says All files then the file isn't recognized as an image. It's recognized as an octet-stream. So does the browser window specify the file type to the browser? Anyway, Hope someone can give me some advice, As always, Thanks very much, Brian - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
html:html tag
Hi html:html xhtml=true I found the following explanation. A special attribute named xml:lang may be inserted in documents to specify the language used in the contents and attribute values of any element in an XML document I know that this is related to locales. Can somebody give a better explanation about the exact purpose of this ? Mohan - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: [OT] Shopping cart best practices - Cookie, HttpSession or DB
Thanks for the info Greg, Another good idea :-) I appreciate it, Brian -Original Message- From: Greg Ludington [mailto:[EMAIL PROTECTED] Sent: 21 August 2003 16:39 To: 'Brian McSweeney'; 'Struts Users Mailing List' Subject: RE: [OT] Shopping cart best practices - Cookie, HttpSession or DB 1. Store your cart in session, and when that all works. For everyone. Gets to the checkout and funds are exchanged. While I agree with the previous posters who said that it would make your life easier if you can require login, if you absolutely need to save carts of users regardless of login status, you might consider having your Cart object impelment javax.servlet.http.HttpSessionBindingListener. Objects implementing this interface are notified when they are bound to or unbound from (either explicitly or by the session itself expiring/invalidated) a session, and can perform tasks at these times. In your case, when your Cart object is unbound you would save its contents to your database. (Conversely, when you first bind a Cart object to a session, you can check the database and refresh its contents, if any.) Nothing about this approach prohibits you from saving Cart information at other appropriate times -- user logins, purchases, and the like -- this approach just allows you the ability to store information, like cart contents, at the end of a client session. -Greg - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: [OT] Shopping cart best practices - Cookie, HttpSession or DB
Thanks Adam, Makes sense, Appreciate it, Brian -Original Message- From: Adam Hardy [mailto:[EMAIL PROTECTED] Sent: 21 August 2003 22:07 To: Struts Users Mailing List Subject: Re: [OT] Shopping cart best practices - Cookie, HttpSession or DB I think the issue of using up server memory with lots of shopping carts in the session is worth thinking about. It's just a question of maths - how much memory have you got, what is the peak number of users envisaged, how much stuff are you going to store in the session? even then I think some app servers swap out sessions to the hard drive when memory is low. You don't need more than an array of item ids and quantities, methinks, so it should be small. On 08/21/2003 06:38 PM Greg Ludington wrote: 1. Store your cart in session, and when that all works. For everyone. Gets to the checkout and funds are exchanged. While I agree with the previous posters who said that it would make your life easier if you can require login, if you absolutely need to save carts of users regardless of login status, you might consider having your Cart object impelment javax.servlet.http.HttpSessionBindingListener. Objects implementing this interface are notified when they are bound to or unbound from (either explicitly or by the session itself expiring/invalidated) a session, and can perform tasks at these times. In your case, when your Cart object is unbound you would save its contents to your database. (Conversely, when you first bind a Cart object to a session, you can check the database and refresh its contents, if any.) Nothing about this approach prohibits you from saving Cart information at other appropriate times -- user logins, purchases, and the like -- this approach just allows you the ability to store information, like cart contents, at the end of a client session. -Greg - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] -- struts 1.1 + tomcat 4.1.27 + java 1.4.2 Linux 2.4.20 RH9 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Generating logs w/Log4J in ActionClass
I have the appropriate configurations completed to use Log4J w/Tomcat. However, how would I invoke Log4J from within my action class to generate DEBUG statements? I have the following package imported: import org.apache.log4j.*; Any examples would be most appreciated. Thanks in advance. - Mitesh
RE: Disallow user to modify URL in browser address bar
wait wait I know! idea type=silly today=friday drink=beer Have only ONE url for the whole application. Give every page a hidden field named theRealUrl and all links etc actually fire javascript that sets this hidden field and POST to that one acceptable url, then you have a filter (or override ActionServlet) that uses the value in theRealUrl to redirect the request appropriately. Any request that doesnt have a value for theRealUrl gets shunted off to the access denied page... /idea hehe, or to quote James: Good Luck!!! -Original Message- From: James Mitchell [mailto:[EMAIL PROTECTED] Sent: Friday, 22 August 2003 19:22 To: 'Struts Users Mailing List' Subject: RE: Disallow user to modify URL in browser address bar What you are wanting is not possible. It's YOUR job (as a developer) to handle situations where they may have done so. Hint: unknown=true Good Luck!!! -- James Mitchell Software Engineer / Struts Evangelist http://www.struts-atlanta.org 678.910.8017 AIM:jmitchtx -Original Message- From: sriram [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 2:16 AM To: 'Struts Users Mailing List' Subject: Disallow user to modify URL in browser address bar How to identify if user has manipulated the URL in Address Bar of the browser? For ex., the application displays a page with the following URL: http://localhost:8080/app/str/testview_srchpost.do Now, the user modifies the URL in the address bard. Instead of testview_srchpost.do, user types testtwoview_srchpost.do and clicks ENTER. I want to restrict such types of URL modification Struts application. I should take the user to a default access denied page when ever user does such changes. How to identify this action of the user? Pl. give some ideas. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
struts test info
Can anyone point me in the direction of good examples and info about using/writing Struts tests other than the documentation that comes with Struts test it self...? Thanks in advance. Ron. Always ready to Discotogogo - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Disallow user to modify URL in browser address bar
If the user is allowed to view the page, then no problem. If he is not.. then you should have some sessionid authentication and user role and privilige authentication in every page. I think that's the only way of preventing a user to go to a restricted page. thanks -raj sriram [EMAIL PROTECTED]To: 'Struts Users Mailing List' [EMAIL PROTECTED] h.com cc: Subject: Disallow user to modify URL in browser address bar 22/08/2003 11:45 AM Please respond to Struts Users Mailing List How to identify if user has manipulated the URL in Address Bar of the browser? For ex., the application displays a page with the following URL: http://localhost:8080/app/str/testview_srchpost.do Now, the user modifies the URL in the address bard. Instead of testview_srchpost.do, user types testtwoview_srchpost.do and clicks ENTER. I want to restrict such types of URL modification Struts application. I should take the user to a default access denied page when ever user does such changes. How to identify this action of the user? Pl. give some ideas. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Whats the security trick for not permiting the browser back button on SignOut?
Just invalidate the session when the user logs out.
Edgar
-Original Message-
From: Cezar Nasui [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 5:30 PM
To: 'Struts Users Mailing List'
Subject: RE: Whats the security trick for not permiting the
browser back button on SignOut?
Hi Brad,
Isn't suggested not to use with Struts direct links to the jsp pages?
a href=javascript:location.replace('somePageName.jsp') /a
I don't recall exactly if this is the code needed to
erase/change the location but it looks just like simple
html link and still I think this doesn't solve my refresh
problem I mentioned before
Cezar
-Original Message-
From: Brad Balmer [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 8:07 AM
To: Struts Users Mailing List
Subject: Re: Whats the security trick for not permiting the
browser back button on SignOut?
I ran into a similar problem with my login application. What
I did was simply replace the page name that is put in the
history with a page that I wanted.
a href=javascript:location.replace('somePageName.jsp') /a
Cezar Nasui wrote:
Hi Henry,
The problem I noticed is if you go Back to the first page
after login
and make a refresh on that page you will be able to
navigate again in
your app as a new session is created 'cause refresh re-post
the login
data. Your app does that? Do you know any solution for this one? I
think with some JavaScript you can erase the history of the Back
button.
I
don;t recall exaclty the code but I'll look for it. What I
want to know
is if it's a good method as we know we shouldn't rely on user's
settings (ex. Javascript not enabled).
Cezar
-Original Message-
From: Henry Voyer [mailto:[EMAIL PROTECTED]
Sent: Wednesday, August 20, 2003 7:30 PM
To: [EMAIL PROTECTED]
Subject: Whats the security trick for not permiting the browser back
button on SignOut?
Hi fellow Strutser
I have implemented securityFilter (http://securityFilter.org) in my
struts app. But once i log off i can press the browsers back
button and
go back to the users content page.
He cant do any action since the securityFilter dont let him
but he can
still
see the pages he already accessed. i would like to know how to
implement the redirection to signIn page for the browser back button
once he SignOut.
I have seen the examples of the Apache Admin site and the
security app
examples but i cant find how they do this.
So guys whats the trick?
Regards and thanks for all those who worked on the securityFilter and
struts
examples.
_
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accessing ApplcationResources from an ExceptionHandler
hi, having a key of the ApplicationResources.properties in an ExceptionHandler subclass, how could I get its corresponding value in the ApplicationResources from there? Thanks in advance. _ The new MSN 8: smart spam protection and 2 months FREE* http://join.msn.com/?page=features/junkmail - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: how many concurent users on the system
It is impossible to show how many users. What is possible is to show how many sessions are open and what is the idle time for the session at a given moment. If you use tomcat there is a manager (not admin) app that comes with it. It is pretty cool to play around with it. You can do other things with it besides displaying current sessions. If you do not use tomcat then use manager app to see how they implemented it. It is pretty straight forward, you can kind of guess what to do by just browsing the JavaDoc for servlet. Alex. -Original Message- From: Rachid Drissi [mailto:[EMAIL PROTECTED] Sent: Thursday, August 21, 2003 7:21 PM To: [EMAIL PROTECTED] Subject: how many concurent users on the system Hi All, anybody knows by chance a program(s) that would show us (statistics) how many concurent users are on the application at certain point of time Thanks, Rachid. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: How to set charset UTF-8
If you want to have both the content type and the encoding set to utf-8 with just one jsp page tag you can use the encoding filter found in Tomcat 4.1/webapps/test/WEB-INF/classes/filters I think it's called SetCharacterEncodingFilter.java. Do a google search to find more details on adding it to your web.xml. Cheers, David Sperling -Original Message- From: struts [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 4:44 AM To: 'Struts Users Mailing List'; 'Billy Ng' Subject: RE: How to set charset UTF-8 Did you try % request.setCharacterEncoding(UTF-8); % ? -Original Message- From: Billy Ng [mailto:[EMAIL PROTECTED] Sent: Thursday, August 21, 2003 4:14 PM To: Struts Users Mailing List Subject: How to set charset UTF-8 Hi folks, I added the following to test what encoding my Struts app is using % response.setContentType(text/html; charset=UTF-8); System.out.println(response.getCharacterEncoding()); % But it still print out the ISO-8859-1, why? How can I set the contentType to text/html; charset=UTF-8 Thanks! Billy Ng This mailbox protected from junk email by Matador from MailFrontier, Inc. http://info.mailfrontier.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: problems with ActionConfig
Sorry Andrew, I found the bug. It was a PEBCAK - I added the property to the wrong action. Now I the ActionConfig is the same and it works ;-)) lots of beer and a nice weekend - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Struts Action or EJB session bean
Struts Upload Action. thanks -raj Erez Efrati [EMAIL PROTECTED]To: 'Struts Users Mailing List' [EMAIL PROTECTED] et.il cc: Subject: Struts Action or EJB session bean 22/08/2003 05:32 PM Please respond to Struts Users Mailing List My EJB/Web application lets users upload files to the system and later serve them those files when needed. My question is: Who should or recommended to handle the saving of the uploaded file? The EJB session bean or the struts UploadAction? Thanks in advance, Erez - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Disallow user to modify URL in browser address bar
Rajendra,
I've used the following code in my .jsp page:
%
if ((request.getHeader(referer)==) || (request.getHeader(referer)==null)) {
%
jsp:forward page=../jsp/logoff.jsp/
%
}
%
If the user tries to manipulate the URL in the address bar, referer becomes null.
It works..but not sure how reliable is this!
Sriram
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 2:09 PM
To: Struts Users Mailing List
Subject: Re: Disallow user to modify URL in browser address bar
If the user is allowed to view the page, then no problem. If he is not.. then you
should have some sessionid authentication and user role and privilige authentication
in every page.
I think that's the only way of preventing a user to go to a restricted page.
thanks
-raj
sriram
[EMAIL PROTECTED]To: 'Struts Users Mailing
List' [EMAIL PROTECTED]
h.com cc:
Subject: Disallow user to modify URL
in browser address bar
22/08/2003 11:45
AM
Please respond to
Struts Users
Mailing List
How to identify if user has manipulated the URL in Address Bar of the browser?
For ex., the application displays a page with the following URL:
http://localhost:8080/app/str/testview_srchpost.do
Now, the user modifies the URL in the address bard. Instead of testview_srchpost.do,
user types testtwoview_srchpost.do and clicks ENTER.
I want to restrict such types of URL modification Struts application. I should take
the user to a default access denied page when ever user does such changes.
How to identify this action of the user? Pl. give some ideas.
-
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
Re: Validating uploaded file as an image only
I do it the brute force way:
snip -
FormFile image;
java.awt.Image makeimg = null;
try
{
makeimg = Toolkit.getDefaultToolkit().createImage(
image.getFileData() );
// wait for the image to be loaded/created
Canvas cv = new Canvas();
MediaTracker media_tracker = new MediaTracker( cv );
// add image to the tracker
int id = 0;
media_tracker.addImage(makeimg,id);
// try to wait for image to be loaded
// catch if loading was interrupted
media_tracker.waitForID(id);
// if we can't load it, it'll get tossed back from the catch()
// by now we should have a good image to deal with
// check on image dimensions
int imgw = makeimg.getWidth( cv );
int imgh = makeimg.getHeight( cv );
}
catch (..)
end snip--
I also check for file size (ie, dont' allow anything over 1M), and then
image dimensions. The only thing I don't do is validate the mime-type.
I haven't tried uploading images from a text browser (ie lynx or links),
yet, to see what sort of mime-type it would attach.. but the ones from IE
always seem to be fine.
cheers!
-- adam
- Original Message -
From: Brian McSweeney [EMAIL PROTECTED]
To: 'Struts Users Mailing List' [EMAIL PROTECTED]
Sent: Friday, August 22, 2003 6:32 AM
Subject: RE: Validating uploaded file as an image only
PS - there was a discussion recently on how to improve the
Validator.
Validating an uploaded file based on mime type would be cool !
A quick search on the web led me to a company that does this
With a java api
http://www.oop-reserch.com/mime_prop.html
It seems in jdk1.4 you can actually validate based on the
binary pattern expected for a mime type. So if it is a gif,
you can check that the bit pattern of the uploaded file
matches that of a gif.
This is apparently to avoid users uploading say a text file
named mytextfile.gif
Now that would be nice :-)
Brian
-Original Message-
From: Brian McSweeney [mailto:[EMAIL PROTECTED]
Sent: 22 August 2003 11:13
To: 'Struts Users Mailing List'
Subject: Validating uploaded file as an image only
Hi everyone,
I've managed to get the struts file upload working successfully,
using the struts FormFile class and the upload example.
Cool :-)
However, in my app, I only want images to be uploaded.
I'm going to store the images on disk and put the path of the
image file into the database. So I need to validate that only images
are getting uploaded, not other file-types.
I know nothing really about how to do this. I could just check that
string returned by:
FormFile.getContentType( )
is equal to image-gif, image-bnp, or image-jpeg. But is this enough?
Also, I have noticed that when I upload an image file and the little
Browser window pops up, if I select a gif image, but the file type
bar says All files then the file isn't recognized as an image.
It's recognized as an octet-stream. So does the browser window
specify the file type to the browser?
Anyway,
Hope someone can give me some advice,
As always,
Thanks very much,
Brian
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RE: Generating logs w/Log4J in ActionClass
In your action class, retrieve your log instance
Log LOG = LogFactory.getLog(YourAction.class);
Then wherever you need to log:
if (LOG.isDebugEnabled()) {
LOG.debug(Log your debug msg here);
}
Replace isDebugEnabled() with whatever level you want to use.
HTH,
Mike J
-Original Message-
From: Kapadia Mitesh-C23457 [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 11:55 AM
To: [EMAIL PROTECTED]
Subject: Generating logs w/Log4J in ActionClass
I have the appropriate configurations completed to use Log4J w/Tomcat.
However, how would I invoke Log4J from within my action class to generate
DEBUG statements?
I have the following package imported:
import org.apache.log4j.*;
Any examples would be most appreciated.
Thanks in advance.
- Mitesh
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RE: Horizon: a view management plugin
Hue, one reason why I took this approach was because I felt that although DynaActionForms implement the DynaBean interface, they are meant to deal with user input where as the views described by Pedro are simply value objects used to transport data from the business tier to the web tier. I guess you could define both DynaActionForms and views in the struts-config file, but then what if you want to use these declarative views outside of struts. Another reason might be that although DynaActionForms could be used in such a fashion, they are seen as part of the web tier and it is not considered a good practice for the business tier to have knowlege of web tier stuff. The real advantage here is to be able to define value objects declaratively just like you do with DynaActionForms. Pedro, speak up if I have misinterpretted your intentions. robert -Original Message- From: Hue Holleran [mailto:[EMAIL PROTECTED] Sent: Thursday, August 21, 2003 4:40 PM To: Struts Users Mailing List; [EMAIL PROTECTED] Subject: RE: Horizon: a view management plugin I must confess to being a bit confused! What is the difference between your approach and getting an instance of a Dyna, viz: DynaActionFormClass dafc = DynaActionFormClass.getDynaActionFormClass(Dyna-Definition-Name-I n-Struts-C onfig); DynaActionForm myBean = (DynaActionForm) dafc.newInstance(); At least with the above approach the beans are stored in struts-config in the usual struts syntax - it's just they're not used in the action name parameter - but are created on-the-fly in an action (or wherever) with the above code. I'm concerned I may be missing some obvious advantage to your approach - hence the reason for the question! Hue. -Original Message- From: Pedro Emanuel de Castro Faria Salgado [mailto:[EMAIL PROTECTED] Sent: 21 August 2003 16:15 To: [EMAIL PROTECTED] Subject: Re: Horizon: a view management plugin Pedro Emanuel de Castro Faria Salgado wrote: Hi, I have built a plugin for Struts that creates view beans using dynabeans that are defined on a xml file and i was wondering if anyone in the Struts project/mailing list was interested on checking the use of it? When I see dynabean are you saying BeanUtils.DynaBean and what is a 'view bean', do you mean a Action Form ? yes If so what is the difference between your plugin and a DynaActionForm ? i think, actually, there is none... the difference is for what i use the view beans for: transfering data from actions to build combobox on form and present data that isn't on a form. i know i can use the form itself to put a collection to build a combobox and use another form bean property to store the user input but it is less confusing if i define forms with only the properties the user can enter data and another bean for transmitting data (dto... in my case i call it view bean). before the plugin i had to define a new java class (attributes + getters/setters) for each new dto i wanted, now, i only need to add some lines to a xml file... Given that your plugin is generally useful then there are several options : 1) Since web space can gotten for free now days you could always post it on a site with some documentation on how to use it. i will see what i can do... 2) We are using the http://www.sf.net/projects/struts site as an incubator for projects you can post there to see if there is interest. thank you for the tip... 3) Find someone else with a struts web site, that would host it. Most importantly having an example, that is documented is key. I have already sent the source on another email so you can take a look (src + javadoc + ant file) and i am finishing a small web app. thanks for the tips... Pedro Salgado - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.512 / Virus Database: 309 - Release Date: 19/08/2003 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.512 / Virus Database: 309 - Release Date: 19/08/2003 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [OT] Shopping cart best practices - Cookie, HttpSession or DB
Storing a few bits and pieces in a session is all storing a cart will do anyway. While I can see why some folks would consider it a clear benefit to save all carts to the db , i don't. But that can be layered on afterwards, especially with handy packages like beanutils. Given that most the folks who know about these things say the biggest bottleneck is the DB stuff, I'd want to approach this in a manner where i could move stuff around. When you get to testing you see how many sessions you can have running. The storage of an array of id's would be a nice solution if things start to look bloated, but doing this before would be stamping on problems that aren't there yet. If I had to walk into someone's code i'd prefer if carts had appropriate properties and the products in the cart were also product like. Cart cart = (Cart) session.getAttribute(cart); Product product = new Product(); BeanUtils.copyProperties( product , theForm.get(product) ); cart.addProduct(product); If i had to pull a bunch of keys and indices from an array I'd be dummy spitting i think. Cheers Mark On Thursday, August 21, 2003, at 11:07 PM, Adam Hardy wrote: I think the issue of using up server memory with lots of shopping carts in the session is worth thinking about. It's just a question of maths - how much memory have you got, what is the peak number of users envisaged, how much stuff are you going to store in the session? even then I think some app servers swap out sessions to the hard drive when memory is low. You don't need more than an array of item ids and quantities, methinks, so it should be small. On 08/21/2003 06:38 PM Greg Ludington wrote: 1. Store your cart in session, and when that all works. For everyone. Gets to the checkout and funds are exchanged. While I agree with the previous posters who said that it would make your life easier if you can require login, if you absolutely need to save carts of users regardless of login status, you might consider having your Cart object impelment javax.servlet.http.HttpSessionBindingListener. Objects implementing this interface are notified when they are bound to or unbound from (either explicitly or by the session itself expiring/invalidated) a session, and can perform tasks at these times. In your case, when your Cart object is unbound you would save its contents to your database. (Conversely, when you first bind a Cart object to a session, you can check the database and refresh its contents, if any.) Nothing about this approach prohibits you from saving Cart information at other appropriate times -- user logins, purchases, and the like -- this approach just allows you the ability to store information, like cart contents, at the end of a client session. -Greg - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] -- struts 1.1 + tomcat 4.1.27 + java 1.4.2 Linux 2.4.20 RH9 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Generating logs w/Log4J in ActionClass
Sorry, this is with commons logging not log4j specifically
-Original Message-
From: Mike Jasnowski [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 9:29 AM
To: Struts Users Mailing List
Subject: RE: Generating logs w/Log4J in ActionClass
In your action class, retrieve your log instance
Log LOG = LogFactory.getLog(YourAction.class);
Then wherever you need to log:
if (LOG.isDebugEnabled()) {
LOG.debug(Log your debug msg here);
}
Replace isDebugEnabled() with whatever level you want to use.
HTH,
Mike J
-Original Message-
From: Kapadia Mitesh-C23457 [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 11:55 AM
To: [EMAIL PROTECTED]
Subject: Generating logs w/Log4J in ActionClass
I have the appropriate configurations completed to use Log4J w/Tomcat.
However, how would I invoke Log4J from within my action class to generate
DEBUG statements?
I have the following package imported:
import org.apache.log4j.*;
Any examples would be most appreciated.
Thanks in advance.
- Mitesh
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RE: Disallow user to modify URL in browser address bar
If testview_srchpost.do and testtwoview_srchpost.do are valid action then you cannot restrict. This means testview_srchpost.do, esttwoview_srchpost.do are in Struts Config File If that testtwoview_srchpost.do not Valid action then It will go default page or Error Page Thanks Nazeer -Original Message- From: sriram [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 2:16 AM To: 'Struts Users Mailing List' Subject: Disallow user to modify URL in browser address bar How to identify if user has manipulated the URL in Address Bar of the browser? For ex., the application displays a page with the following URL: http://localhost:8080/app/str/testview_srchpost.do Now, the user modifies the URL in the address bard. Instead of testview_srchpost.do, user types testtwoview_srchpost.do and clicks ENTER. I want to restrict such types of URL modification Struts application. I should take the user to a default access denied page when ever user does such changes. How to identify this action of the user? Pl. give some ideas. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Generating logs w/Log4J in ActionClass
I just create a class that wraps the log statements and would have a
function like this:
public static void debug(String message, String aCategory)
{
Category cat = Category.getInstance(aCategory);
cat.debug(message);
}
then when I need to use this I would call something like:
MyLogger.debug(Message, this.getClass().getName());
Hope that helps.
- Original Message -
From: Mike Jasnowski [EMAIL PROTECTED]
To: Struts Users Mailing List [EMAIL PROTECTED]
Sent: Friday, August 22, 2003 8:33 AM
Subject: RE: Generating logs w/Log4J in ActionClass
Sorry, this is with commons logging not log4j specifically
-Original Message-
From: Mike Jasnowski [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 9:29 AM
To: Struts Users Mailing List
Subject: RE: Generating logs w/Log4J in ActionClass
In your action class, retrieve your log instance
Log LOG = LogFactory.getLog(YourAction.class);
Then wherever you need to log:
if (LOG.isDebugEnabled()) {
LOG.debug(Log your debug msg here);
}
Replace isDebugEnabled() with whatever level you want to use.
HTH,
Mike J
-Original Message-
From: Kapadia Mitesh-C23457 [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 11:55 AM
To: [EMAIL PROTECTED]
Subject: Generating logs w/Log4J in ActionClass
I have the appropriate configurations completed to use Log4J w/Tomcat.
However, how would I invoke Log4J from within my action class to generate
DEBUG statements?
I have the following package imported:
import org.apache.log4j.*;
Any examples would be most appreciated.
Thanks in advance.
- Mitesh
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RE: Nested tags and recursive inclusion
Hi Yamini I am sorry that did not respond imeadetly got stuck in some work tiles:insert page=treenode.jsp flush=false/ use this instead of jsp include it has to work.. cheer up preetam -Original Message- From: Yamini Krishnamurthi Ayyagari [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 4:23 PM To: Struts Users Mailing List Subject: Nested tags and recursive inclusion Hello, I am trying to make recursive inclusion work with nested tags on Websphere but am running into some problems. This is what my code looks like. In main jsp: nested:nest property=tree jsp:include page=treenode.jsp flush=true/ /nested:nest But I get an exception stating: Illegal to flush within a custom tag. If I do not flush I get an invalid jsp:include tag exception. Can someone help me with this? Thanks and Regards Yamini Ayyagari - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Disallow user to modify URL in browser address bar
This looks reliable enough, but still i would suggest to do a role and user
chec on each page (only if the application requires it)
thanks
-raj
sriram
[EMAIL PROTECTED]To: 'Struts Users Mailing
List' [EMAIL PROTECTED]
h.com cc: Rajendra X.
Yadav/EMPL/India/[EMAIL PROTECTED]
Subject: RE: Disallow user to modify
URL in browser address bar
22/08/2003 06:13
PM
Please respond to
Struts Users
Mailing List
Rajendra,
I've used the following code in my .jsp page:
%
if ((request.getHeader(referer)==) || (request.getHeader(referer)
==null)) {
%
jsp:forward page=../jsp/logoff.jsp/
%
}
%
If the user tries to manipulate the URL in the address bar, referer
becomes null.
It works..but not sure how reliable is this!
Sriram
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 2:09 PM
To: Struts Users Mailing List
Subject: Re: Disallow user to modify URL in browser address bar
If the user is allowed to view the page, then no problem. If he is not..
then you should have some sessionid authentication and user role and
privilige authentication in every page.
I think that's the only way of preventing a user to go to a restricted
page.
thanks
-raj
sriram
[EMAIL PROTECTED]To: 'Struts Users
Mailing List' [EMAIL PROTECTED]
h.com cc:
Subject: Disallow user to
modify URL in browser address bar
22/08/2003 11:45
AM
Please respond to
Struts Users
Mailing List
How to identify if user has manipulated the URL in Address Bar of the
browser?
For ex., the application displays a page with the following URL:
http://localhost:8080/app/str/testview_srchpost.do
Now, the user modifies the URL in the address bard. Instead of
testview_srchpost.do, user types testtwoview_srchpost.do and clicks ENTER.
I want to restrict such types of URL modification Struts application. I
should take the user to a default access denied page when ever user does
such changes.
How to identify this action of the user? Pl. give some ideas.
-
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Re: problems with ActionConfig
Andrew Hill wrote: Based on the information you have provided it *should* work! Thanks ;-) I added some more logs and it looks like the action receives another instance from ActonConfig, than that was created during configuration-setup. I dumped the hashcode of the ActionConfig. At creation #15198443 and inside the action #17370198 Hmm. Looks quite different. So do I need to implement something like clone()? Did I mention, that I'm working with multiple modules? btw I'll be heading home shortly (its 7:30pm here) so I might not get to see the reply till Monday. /btw Hey, that's a pretty nice tag! I would like it in my taglib :-D - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Validating uploaded file as an image only
Hi Adam,
Cool! I had no clue that any of this was available.
A few questions if you don't mind.
What is the purpose of using the MediaTracker?
I understand how using
Image makeimg = Toolkit.getDefaultToolkit().createImage(
image.getFileData() );
will show you if it's a proper image, but I don't understand
how the MediaTracker class helps? Does it just show if the
image could be re-displayed or something?
If that assumption is correct, then the javadocs say that:
If there is an error while loading or scaling an image, then that image
is considered to have finished loading. Use the isErrorAny and isErrorID
methods to check for errors.
So should you perhaps use these isErrorAny or isErrorID methods too?
Any problems ever experienced?
Anyway, really appreciate this help,
Brian
-Original Message-
From: Adam L [mailto:[EMAIL PROTECTED]
Sent: 22 August 2003 13:12
To: Struts Users Mailing List
Subject: Re: Validating uploaded file as an image only
I do it the brute force way:
snip -
FormFile image;
java.awt.Image makeimg = null;
try
{
makeimg = Toolkit.getDefaultToolkit().createImage(
image.getFileData() );
// wait for the image to be loaded/created
Canvas cv = new Canvas();
MediaTracker media_tracker = new MediaTracker( cv );
// add image to the tracker
int id = 0;
media_tracker.addImage(makeimg,id);
// try to wait for image to be loaded
// catch if loading was interrupted
media_tracker.waitForID(id);
// if we can't load it, it'll get tossed back from the
catch()
// by now we should have a good image to deal with
// check on image dimensions
int imgw = makeimg.getWidth( cv );
int imgh = makeimg.getHeight( cv );
}
catch (..)
end snip--
I also check for file size (ie, dont' allow anything over 1M), and then
image dimensions. The only thing I don't do is validate the mime-type.
I haven't tried uploading images from a text browser (ie lynx or links),
yet, to see what sort of mime-type it would attach.. but the ones from
IE
always seem to be fine.
cheers!
-- adam
- Original Message -
From: Brian McSweeney [EMAIL PROTECTED]
To: 'Struts Users Mailing List' [EMAIL PROTECTED]
Sent: Friday, August 22, 2003 6:32 AM
Subject: RE: Validating uploaded file as an image only
PS - there was a discussion recently on how to improve the
Validator.
Validating an uploaded file based on mime type would be cool !
A quick search on the web led me to a company that does this
With a java api
http://www.oop-reserch.com/mime_prop.html
It seems in jdk1.4 you can actually validate based on the
binary pattern expected for a mime type. So if it is a gif,
you can check that the bit pattern of the uploaded file
matches that of a gif.
This is apparently to avoid users uploading say a text file
named mytextfile.gif
Now that would be nice :-)
Brian
-Original Message-
From: Brian McSweeney [mailto:[EMAIL PROTECTED]
Sent: 22 August 2003 11:13
To: 'Struts Users Mailing List'
Subject: Validating uploaded file as an image only
Hi everyone,
I've managed to get the struts file upload working successfully,
using the struts FormFile class and the upload example.
Cool :-)
However, in my app, I only want images to be uploaded.
I'm going to store the images on disk and put the path of the
image file into the database. So I need to validate that only images
are getting uploaded, not other file-types.
I know nothing really about how to do this. I could just check that
string returned by:
FormFile.getContentType( )
is equal to image-gif, image-bnp, or image-jpeg. But is this enough?
Also, I have noticed that when I upload an image file and the little
Browser window pops up, if I select a gif image, but the file type
bar says All files then the file isn't recognized as an image.
It's recognized as an octet-stream. So does the browser window
specify the file type to the browser?
Anyway,
Hope someone can give me some advice,
As always,
Thanks very much,
Brian
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Logging to application directory
Is there any easy way of sending logs to somewhere in my application directory, rather than eg Tomcat/logs? The latter is OK when I'm developing the application on my own machine, but when I deploy onto my shared host I don't have access to the Tomcat logs directory. And however carefully I test on my own machine, I can't reproduce the environment exactly and there's always something that goes wrong. I have totally failed to get to grips with logging so far, so any help will be appreciated. Thanks Louise -- Louise Pryor http://www.louisepryor.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Quick Java question..
This question reminds me of an old virus.
You can have file IO that creates a simple java class file with a method
taking in as many parameters as you wanted to then invoke javac to rebuild
it. Performance-wise it worked great for the virus but probably not a viable
option for you ;)
-Original Message-
From: Oliver Reflé [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 3:13 AM
To: 'Struts Users Mailing List'
Subject: AW: Quick Java question..
Or you simple pass in an array of arguments
public void myMethod(String[] args){}
Then you can handle as much Strings as you want
-Ursprüngliche Nachricht-
Von: Michael Thompson [mailto:[EMAIL PROTECTED]
Gesendet: Freitag, 22. August 2003 01:08
An: Struts Users Mailing List
Betreff: Re: Quick Java question..
Or wait till 1.5 ;)
http://developer.java.sun.com/developer/community/chat/JavaLive/2003/jl0
729.html
*Neal Gafter*: Then there's autoboxing/unboxing and varargs. Boxing
allows you to use a primitive int instead of a |java.lang.Integer|, and
unboxing does the reverse. varargs allows you to declare a method that
takes a variable number of arguments, which are automatically packed up
into an array before being passed to the method.
--m
Alex Shneyderman wrote:
You can make your parms Object []
This way you can pass as many params as you want.
Of course you will need to keep track of what element is what.
Maybe Java 1.5 will have the feature you are looking for :-)
Alex.
-Original Message-
From: Mark Galbreath [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 6:51 PM
To: 'Struts Users Mailing List'
Subject: RE: Quick Java question..
sorry, dude, but param arguments are evaluated at compile time. The
best
you could do is overload the method.
Mark
-Original Message-
From: David Erickson [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 6:00 PM
To: Struts Mailing List
Subject: Quick Java question..
Hey as I've been building my actions I was thinking it could be useful
for
me to have a method that does some database querying, but I would like
to
give the user the ability to narrow down that query with as many input
fields as he needs. Is there a way to write a method that takes a
non-set
amount of arguments? (Other than just passing the method a growable
array.. which is a viable alternative)
Ie
public String myfunction(String a, String b, String c on down the
line
indefinitly)
?
I thought I had seen this done somewhere somehow but I may be wrong.
Thanks!
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RE: Nested tags and recursive inclusion
I use this all the time with Tomcat. Maybe this is a websphere bug? -Original Message- From: Yamini Krishnamurthi Ayyagari [mailto:[EMAIL PROTECTED] Sent: 22 August 2003 11:53 To: Struts Users Mailing List Subject: Nested tags and recursive inclusion Hello, I am trying to make recursive inclusion work with nested tags on Websphere but am running into some problems. This is what my code looks like. In main jsp: nested:nest property=tree jsp:include page=treenode.jsp flush=true/ /nested:nest But I get an exception stating: Illegal to flush within a custom tag. If I do not flush I get an invalid jsp:include tag exception. Can someone help me with this? Thanks and Regards Yamini Ayyagari - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] ** Axios Email Confidentiality Footer Privileged/Confidential Information may be contained in this message. If you are not the addressee indicated in this message (or responsible for delivery of the message to such person), you may not copy or deliver this message to anyone. In such case, you should destroy this message, and notify us immediately. If you or your employer does not consent to Internet email messages of this kind, please advise us immediately. Opinions, conclusions and other information expressed in this message are not given or endorsed by my Company or employer unless otherwise indicated by an authorised representative independent of this message. WARNING: While Axios Systems Ltd takes steps to prevent computer viruses from being transmitted via electronic mail attachments we cannot guarantee that attachments do not contain computer virus code. You are therefore strongly advised to undertake anti virus checks prior to accessing the attachment to this electronic mail. Axios Systems Ltd grants no warranties regarding performance use or quality of any attachment and undertakes no liability for loss or damage howsoever caused. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Logging to application directory
use log4j or jdk1.4 logging. |-Original Message- |From: Louise Pryor [mailto:[EMAIL PROTECTED] |Sent: Friday, August 22, 2003 8:38 PM |To: Struts Users Mailing List |Subject: Logging to application directory | | |Is there any easy way of sending logs to somewhere in my application |directory, rather than eg Tomcat/logs? The latter is OK when I'm |developing the application on my own machine, but when I deploy onto |my shared host I don't have access to the Tomcat logs directory. And |however carefully I test on my own machine, I can't reproduce the |environment exactly and there's always something that goes wrong. | |I have totally failed to get to grips with logging so far, so any help |will be appreciated. | |Thanks | |Louise | |-- |Louise Pryor |http://www.louisepryor.com | | | |- |To unsubscribe, e-mail: [EMAIL PROTECTED] |For additional commands, e-mail: [EMAIL PROTECTED] | | - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Struts Action or EJB session bean
file uploading is user front job and let the Struts handle it. Sessionbeans are bad choice!! |-Original Message- |From: Erez Efrati [mailto:[EMAIL PROTECTED] |Sent: Friday, August 22, 2003 5:33 PM |To: 'Struts Users Mailing List' |Subject: Struts Action or EJB session bean | | |My EJB/Web application lets users upload files to the system and later |serve them those files when needed. My question is: |Who should or recommended to handle the saving of the uploaded file? The |EJB session bean or the struts UploadAction? | |Thanks in advance, |Erez | | | | | | |- |To unsubscribe, e-mail: [EMAIL PROTECTED] |For additional commands, e-mail: [EMAIL PROTECTED] | | - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Generating logs w/Log4J in ActionClass
i just vaguely remember private Logger logger = Logger.getLogger(Test.class); logger.debug(Better Check log4j docs); and keep the log4j.properties file in classpath. hth navjot singh |-Original Message- |From: Kapadia Mitesh-C23457 [mailto:[EMAIL PROTECTED] |Sent: Thursday, August 21, 2003 9:25 PM |To: [EMAIL PROTECTED] |Subject: Generating logs w/Log4J in ActionClass | | |I have the appropriate configurations completed to use Log4J w/Tomcat. |However, how would I invoke Log4J from within my action class to generate |DEBUG statements? |I have the following package imported: |import org.apache.log4j.*; |Any examples would be most appreciated. |Thanks in advance. |- Mitesh | - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Whats the security trick for not permiting the browser back button on SignOut?
Hi Edgar,
this is what I do but it will never diable the Back button.
By any chance did you tried to :
- do the log out then
- click browser's Back right to the first page after signup,
- do a Refresh and then
- try your links from this page.
Could you tell me the result please?
I looked at many post, I saw the token example used for not submiting
twice the data to the database on refresh but I could make it work on Login.
The token example suggest that you can control the form (you arrive to it
from an action so you can add the save(token) line) but it doesn't work for
the Login case where the form is on the first page of the app.
Brad
adding the line for replacing the browser history implies that you have to
add this line to every page that can be called from the page you want to
hide. Is it true?
And again where do you add the line? In the head of your jsp page?
Cezar
-Original Message-
From: Edgar Dollin [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 8:49 AM
To: 'Struts Users Mailing List'
Subject: RE: Whats the security trick for not permiting the browser back
button on SignOut?
Just invalidate the session when the user logs out.
Edgar
-Original Message-
From: Cezar Nasui [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 5:30 PM
To: 'Struts Users Mailing List'
Subject: RE: Whats the security trick for not permiting the
browser back button on SignOut?
Hi Brad,
Isn't suggested not to use with Struts direct links to the jsp pages?
a href=javascript:location.replace('somePageName.jsp') /a
I don't recall exactly if this is the code needed to
erase/change the location but it looks just like simple
html link and still I think this doesn't solve my refresh
problem I mentioned before
Cezar
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Re: struts test info
http://strutstestcase.sourceforge.net/ -Dan - Original Message - From: ronanoc [EMAIL PROTECTED] To: Struts List [EMAIL PROTECTED] Sent: Friday, August 22, 2003 6:13 AM Subject: struts test info Can anyone point me in the direction of good examples and info about using/writing Struts tests other than the documentation that comes with Struts test it self...? Thanks in advance. Ron. Always ready to Discotogogo - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Validating uploaded file as an image only
Use of the MediaTracker is way to track the status of any media.
From the MediaTracker javadoc:
The MediaTracker class is a utility class to track the status of a number
of media objects. Media objects could include audio clips as well as images,
though currently only images are supported
From the Tutorial, section Loading Images:
http://java.sun.com/docs/books/tutorial/uiswing/painting/usingImages.html
Basically, we use the mediatracker to be informed of when an image has been
completely loaded. The resource you're pulling could be local, could be
remote.. thusly, the complete data load time could vary. Since getImage()
is non-blocking, this is how you know.
I suppose I could use those methods.. never really considered them. I'm
pretty sure I've tried uploading non-image files, and I recall this catching
them as not being images. but, it's been awhile, so ymmv.
cheers!
-- adam
I've never had any problems with this methodology.
From: Brian McSweeney [EMAIL PROTECTED]
Reply-To: Struts Users Mailing List [EMAIL PROTECTED]
To: 'Struts Users Mailing List' [EMAIL PROTECTED]
Subject: RE: Validating uploaded file as an image only
Date: Fri, 22 Aug 2003 13:38:11 -
Hi Adam,
Cool! I had no clue that any of this was available.
A few questions if you don't mind.
What is the purpose of using the MediaTracker?
I understand how using
Image makeimg = Toolkit.getDefaultToolkit().createImage(
image.getFileData() );
will show you if it's a proper image, but I don't understand
how the MediaTracker class helps? Does it just show if the
image could be re-displayed or something?
If that assumption is correct, then the javadocs say that:
If there is an error while loading or scaling an image, then that image
is considered to have finished loading. Use the isErrorAny and isErrorID
methods to check for errors.
So should you perhaps use these isErrorAny or isErrorID methods too?
Any problems ever experienced?
Anyway, really appreciate this help,
Brian
-Original Message-
From: Adam L [mailto:[EMAIL PROTECTED]
Sent: 22 August 2003 13:12
To: Struts Users Mailing List
Subject: Re: Validating uploaded file as an image only
I do it the brute force way:
snip -
FormFile image;
java.awt.Image makeimg = null;
try
{
makeimg = Toolkit.getDefaultToolkit().createImage(
image.getFileData() );
// wait for the image to be loaded/created
Canvas cv = new Canvas();
MediaTracker media_tracker = new MediaTracker( cv );
// add image to the tracker
int id = 0;
media_tracker.addImage(makeimg,id);
// try to wait for image to be loaded
// catch if loading was interrupted
media_tracker.waitForID(id);
// if we can't load it, it'll get tossed back from the
catch()
// by now we should have a good image to deal with
// check on image dimensions
int imgw = makeimg.getWidth( cv );
int imgh = makeimg.getHeight( cv );
}
catch (..)
end snip--
I also check for file size (ie, dont' allow anything over 1M), and then
image dimensions. The only thing I don't do is validate the mime-type.
I haven't tried uploading images from a text browser (ie lynx or links),
yet, to see what sort of mime-type it would attach.. but the ones from
IE
always seem to be fine.
cheers!
-- adam
- Original Message -
From: Brian McSweeney [EMAIL PROTECTED]
To: 'Struts Users Mailing List' [EMAIL PROTECTED]
Sent: Friday, August 22, 2003 6:32 AM
Subject: RE: Validating uploaded file as an image only
PS - there was a discussion recently on how to improve the
Validator.
Validating an uploaded file based on mime type would be cool !
A quick search on the web led me to a company that does this
With a java api
http://www.oop-reserch.com/mime_prop.html
It seems in jdk1.4 you can actually validate based on the
binary pattern expected for a mime type. So if it is a gif,
you can check that the bit pattern of the uploaded file
matches that of a gif.
This is apparently to avoid users uploading say a text file
named mytextfile.gif
Now that would be nice :-)
Brian
-Original Message-
From: Brian McSweeney [mailto:[EMAIL PROTECTED]
Sent: 22 August 2003 11:13
To: 'Struts Users Mailing List'
Subject: Validating uploaded file as an image only
Hi everyone,
I've managed to get the struts file upload working successfully,
using the struts FormFile class and the upload example.
Cool :-)
However, in my app, I only want images to be uploaded.
I'm going to store the images on disk and put the path of the
image file into the database. So I need to validate that only images
are getting uploaded, not other file-types.
I know nothing really about how to do this. I could just check that
string returned by:
FormFile.getContentType( )
is equal to image-gif, image-bnp, or image-jpeg. But is this
[OT] JNDI datasource lookup to test classes
In my DB tier I use an interface to get the connection. When used under Tomcat, the class that implements the connection gets the connecton through JNDI. I want to test these classes outside of Tomcat. Is there a simple way to put objects in the Context, I mean a simple way to emulate Tomcat behavior? I read the JNDI tutorial, but is the worse thing I've ever read. At this moment I created a class that implements my interface and that open a simple connection to the db, but in this way I need to set the right interface (JNDI/Simple) in each class a want to test. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Generating logs w/Log4J in ActionClass
Thanks David.
Quick question -- do I just have the listed method you provided in my wrapper class?
-Original Message-
From: David Stemm [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 8:56 AM
To: Struts Users Mailing List
Subject: Re: Generating logs w/Log4J in ActionClass
I just create a class that wraps the log statements and would have a function like
this:
public static void debug(String message, String aCategory)
{
Category cat = Category.getInstance(aCategory);
cat.debug(message);
}
then when I need to use this I would call something like:
MyLogger.debug(Message, this.getClass().getName());
Hope that helps.
- Original Message -
From: Mike Jasnowski [EMAIL PROTECTED]
To: Struts Users Mailing List [EMAIL PROTECTED]
Sent: Friday, August 22, 2003 8:33 AM
Subject: RE: Generating logs w/Log4J in ActionClass
Sorry, this is with commons logging not log4j specifically
-Original Message-
From: Mike Jasnowski [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 9:29 AM
To: Struts Users Mailing List
Subject: RE: Generating logs w/Log4J in ActionClass
In your action class, retrieve your log instance
Log LOG = LogFactory.getLog(YourAction.class);
Then wherever you need to log:
if (LOG.isDebugEnabled()) {
LOG.debug(Log your debug msg here);
}
Replace isDebugEnabled() with whatever level you want to use.
HTH,
Mike J
-Original Message-
From: Kapadia Mitesh-C23457 [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 11:55 AM
To: [EMAIL PROTECTED]
Subject: Generating logs w/Log4J in ActionClass
I have the appropriate configurations completed to use Log4J w/Tomcat.
However, how would I invoke Log4J from within my action class to
generate DEBUG statements? I have the following package imported:
import org.apache.log4j.*;
Any examples would be most appreciated.
Thanks in advance.
- Mitesh
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[FRIDAY] BeanUtils.populate and Booleans
I know, I know, never use anything but Strings in an ActionForm to be populated from the request. I guess this is the same old argument for that. I recently thought it might be convenient to use a Boolean, and it worked fine, until I re-used the Form for a query jsp where this property was NOT represented by a checkbox (Of course, I had to change reset() to leave the property null instead of defaulting false when mode=query is in the request). BeanUtils.populate does clearly specify that it only handles setters for String, boolean, int, long, float, and double. Still, I was surprised to learn that when an empty string was submitted for this property in the request, my Boolean was set to false. m __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: How to set charset UTF-8
You know what, I was using the template. As long as I added % request.setCharacterEncoding(UTF-8); % in the template. It works now. Thanks everybody Billy Ng This mailbox protected from junk email by Matador from MailFrontier, Inc. http://info.mailfrontier.com - Original Message - From: Jing Zhou [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Thursday, August 21, 2003 11:15 PM Subject: Re: How to set charset UTF-8 We got a similar problem. At the very beginning, it looks like the processContent() method in the request processor would do the job for you if the ControllerConfig is set correctly. But the story is more complicated than I thought. It looks to me the container has the right to override the content type and/or the character encoding. From the JSP Specification, we have some statements like A JSP container may use some implementation-dependent heuristics and/or structure to determine what the expected character encoding of a JSP page is... The default implementations from Tomcat, OC4J, and SunOne are different. jsp:directive.page pageEncoding=ISO-8859-1 contentType=text/html/ is used in every JSP page. The Tomcat 4.1.24 generates a statement setContentType(text/html;charset=ISO-8859-1); // good The OC4J 9.0.3 generates the statement setContentType(text/html;charset=UTF-8); // something not expected The SunOne App7 generates the statement setContentType(text/html); // something shorter with warning message. The Resin 2.1.10 does the same as SunOne but without warning message. I am not sure what we are missing here. Anyway, we could not *force* them to produce the expected content type and the character encoding except on Tomcat. Jing Netspread Carrier http://www.netspread.com - Original Message - From: Van Riper, Mike [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Cc: 'Billy Ng' [EMAIL PROTECTED] Sent: Thursday, August 21, 2003 4:30 PM Subject: RE: How to set charset UTF-8 I added the following to test what encoding my Struts app is using % response.setContentType(text/html; charset=UTF-8); System.out.println(response.getCharacterEncoding()); % But it still print out the ISO-8859-1, why? How can I set the contentType to text/html; charset=UTF-8 This is just a hunch, but, I suspect you can't change the character encoding after you have started writing content to the stream. In that case, your best bet is to do this at the very top of the JSP page: %@ page contentType=text/html;charset=UTF-8 language=java % Also, there is another consideration if you are using Tiles. Again this is just a hunch, but, I suspect that you would have to have that directive as the first line of your Tiles master layout template JSP. The concept mentioned above for a single page applies to a Tiles page generated dynamically from multiple JSPs all writing to the same response stream. We ran into something like this using the Struts template custom tags with Struts 1.0 back in 2001. We were correctly setting the character encoding using the page directive on individual content JSPs, but, had left it off our master page layout template JSP. So, it never took until we tracked that down. Duh! Hope this helps, Van Mike Van Riper mailto:[EMAIL PROTECTED] http://www.baychi.org/bof/struts - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Telling Users to Wait
Mark, There is also another way to accomplish your goal that doesn't use the refresh header. Basically, a servlet or JSP outputs a partial HTML page using the flush() method. The partial page contains JavaScript that typically writes out HTML tags that produce a table inside a span element using the document.write(). The setTimeout JS method is then used to output additional tags using the document.getElementById().innerHTML property to output an image (typically animated) to the screen. An onLoad attribute is used in the body tag to call another JavaScript function that clears the timer and removes the animated image by setting the innerHTML to . Once your task is finished, your servlet outputs the rest of the page containing the /body/html tags and possibly some JavaScript that redirects to the completion page. I think this is the way that sites like Expedia do their progress bars without using the refresh meta tag. It saves the browser from having to poll the site and looks, in my opinion, slicker. Regards, Richard -Original Message- From: Mark Silva [mailto:[EMAIL PROTECTED] Sent: Thursday, August 21, 2003 5:03 PM To: Struts Users Mailing List Subject: Telling Users to Wait Hello Struts Gurus, I am facing an issue in my application where I need to run a database creation script, and a database import script through the web (running bat files on the server). I can run these files fine, but they take a few minutes to run... How can I tell the user when they have finished running? This seems to be a sort of push technology I am in need of, but maybe there is another way?. I can definitely tell them to wait for a few minutes, but how do I actually tell them when the process is done (since there is not another page request at this time.) Has anyone done something similar to this? Thanks, Mark - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
GenericDataSource best practise?
Hi, currently I have something like the code below on every action, is
this the normal way of getting the connection? And how would normal
people do if they want to make some data access objects, which contain
all the methods like insert, select etc, while the Action class will
purely do logic, for example only contain this kind of statements:
HashMap hmResult = dataAccess.getAllClients(); Thanks.
public ActionForward perform(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
ServletContext context = servlet.getServletContext();
try {
DataSource dataSource =
(DataSource)context.getAttribute(Action.DATA_SOURCE_KEY);
Connection conn = dataSource.getConnection();
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery(SELECT * FROM aTable);
while(rs.next()) {
//...
}
} catch (Exception e) {
e.printStackTrace();
}
return (mapping.findForward(xxx));
}
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Re: GenericDataSource best practise?
--- Andy Cheng [EMAIL PROTECTED] wrote:
Hi, currently I have something like the code below on every action, is
this the normal way of getting the connection? And how would normal
people do if they want to make some data access objects, which contain
all the methods like insert, select etc, while the Action class will
purely do logic, for example only contain this kind of statements:
HashMap hmResult = dataAccess.getAllClients(); Thanks.
Most apps lookup the DataSource from JNDI. You configure the DataSource
in your container instead of struts-config.xml.
public ActionForward perform(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
ServletContext context = servlet.getServletContext();
try {
DataSource dataSource =
(DataSource)context.getAttribute(Action.DATA_SOURCE_KEY);
Connection conn = dataSource.getConnection();
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery(SELECT * FROM aTable);
while(rs.next()) {
//...
}
} catch (Exception e) {
e.printStackTrace();
}
return (mapping.findForward(xxx));
}
This is absolutely the wrong way of doing database access. You *must*
properly cleanup JDBC resources on every access, including when exceptions
are thrown. Doing this cleanup is tedious, boring, and error prone so I
created the Mapper project in the Jakata Commons Sandbox. Check it out;
it significantly reduces the size of database access code as well as
isolates your app. from the persistence mechanism so you can swap it
later.
David
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Bypassing Form Validation
I'm having trouble trying to cancel out of a form. I have a cancel button that looks like this: html:submit title=Cancel value=Cancel property=submit tabindex='24' onclick=bCancel=true;/ and while the onclick event does cancel out the javascript validation it still goes ahead and performs the server-side validation and I get errors saying certain fields are required, etc. I'm using a DynaValidatorForm and my action class inherits from DispatchAction. Anybody have any ideas? David Stemm
Re: Logging to application directory
In java 1.4 logging, in the java logging.properties file, it says: # default file output is in user's home directory. java.util.logging.FileHandler.pattern = %h/java%u.log You can also log to the console and depending on what you have setup your app server scripts to do with output to the console, it might go to std.out somewhere or something like it. hth Adam On 08/22/2003 05:14 PM Navjot Singh wrote: use log4j or jdk1.4 logging. |-Original Message- |From: Louise Pryor [mailto:[EMAIL PROTECTED] |Sent: Friday, August 22, 2003 8:38 PM |To: Struts Users Mailing List |Subject: Logging to application directory | | |Is there any easy way of sending logs to somewhere in my application |directory, rather than eg Tomcat/logs? The latter is OK when I'm |developing the application on my own machine, but when I deploy onto |my shared host I don't have access to the Tomcat logs directory. And |however carefully I test on my own machine, I can't reproduce the |environment exactly and there's always something that goes wrong. | |I have totally failed to get to grips with logging so far, so any help |will be appreciated. | |Thanks | |Louise | |-- |Louise Pryor |http://www.louisepryor.com | | | |- |To unsubscribe, e-mail: [EMAIL PROTECTED] |For additional commands, e-mail: [EMAIL PROTECTED] | | - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] -- struts 1.1 + tomcat 4.1.27 + java 1.4.2 Linux 2.4.20 RH9 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [OT] JNDI datasource lookup to test classes
Maybe this files can help you.
Regards.
Manolo Ramirez T.
Leonardo Francalanci wrote:
In my DB tier I use an interface to get the connection.
When used under Tomcat, the class that implements the connection gets
the connecton through JNDI.
I want to test these classes outside of Tomcat.
Is there a simple way to put objects in the Context,
I mean a simple way to emulate Tomcat behavior?
I read the JNDI tutorial, but is the worse thing I've ever read.
At this moment I created a class that implements my interface
and that open a simple connection to the db, but in this way I need
to set the right interface (JNDI/Simple) in each class a want to test.
-
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package com.handsoftware.utils;
import javax.naming.InitialContext;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
public class DBjndi {
protected static DataSource ds;
public static void init(String name) throws NamingException{
Context ctx = new InitialContext();
init(name,ctx);
}
public static void init(String name,Context context) throws NamingException {
ds = (DataSource)context.lookup(name);
}
public static Connection getConnection() throws SQLException {
if(ds == null)
throw new IllegalStateException(DBjndi was not initialized);
return ds.getConnection();
}
}
package com.handsoftware.utils.test;
import java.util.Hashtable;
import javax.naming.InitialContext;
import javax.naming.NamingException;
public class MockContext extends InitialContext {
Hashtable data;
public MockContext() throws NamingException{
super();
data = new Hashtable();
}
public Object add2Context(String name,Object obj) {
return data.put(name,obj);
}
public Object lookup(String name) throws NamingException {
Object obj=data.get(name);
if(obj!=null)
return obj;
return super.lookup(name);
}
}
package com.handsoftware.utils.test;
import javax.sql.DataSource;
import java.sql.*;
import java.io.PrintWriter;
public class MockDataSource implements DataSource {
protected Driver m_driver;
protected String m_url;
protected String m_user;
protected String m_passwd;
public MockDataSource(String driverClass, String url, String user, String passwd) {
try {
m_driver = (Driver)Class.forName(driverClass).newInstance();
DriverManager.registerDriver(m_driver);
} catch (Exception e) {
e.printStackTrace();
}
m_url=url;
m_user=user;
m_passwd=passwd;
}
public Connection getConnection() throws SQLException {
return DriverManager.getConnection(m_url,m_user,m_passwd);
}
public Connection getConnection(String username,String password) throws
SQLException {
return DriverManager.getConnection(m_url,username,password);
}
public PrintWriter getLogWriter() throws SQLException {
return null;
}
public void setLogWriter(PrintWriter out) throws SQLException {
}
public void setLoginTimeout(int seconds) throws SQLException {
}
public int getLoginTimeout() throws SQLException {
return 0;
}
}
package com.handsoftware.utils;
import junit.framework.TestCase;
import com.handsoftware.utils.test.MockContext;
import com.handsoftware.utils.test.MockDataSource;
import java.sql.*;
import javax.naming.NamingException;
public class TestDBjndi extends TestCase {
public TestDBjndi () {
super();
}
public void setUp() throws NamingException {
MockContext context = new MockContext();
String jndiName=java:comp/env/jdbc/PruebasDB;
context.add2Context(jndiName,new MockDataSource(org.postgresql.Driver
,jdbc:postgresql://localhost:5432/pruebas
,manolo,)
);
DBjndi.init(jndiName,context);
}
public void testConnection() {
try {
Connection con = DBjndi.getConnection();
//insercion
PreparedStatement st =
con.prepareStatement(insert into pruebas(id,nombre,apellido)
values(?,?,?));
st.setInt(1,666);
st.setString(2,juan);
st.setString(3,perez);
st.execute();
//select
st = con.prepareStatement(select nombre,apellido from pruebas where
id=?);
st.setInt(1,666);
ResultSet rset = st.executeQuery();
rset.next();
assertEquals(no funciona select:nombre,rset.getString(nombre),juan);
RE: Horizon: a view management plugin
No, Richard that's it. :) I will be sending the example application for all who have replied (later today - i am working now - maybe then it will be more obvious the advantage of the framework. unfortunately, it will not make people earn more money by just using it, but it will surely be easier and less painful). Pedro Salgado Hue, one reason why I took this approach was because I felt that although DynaActionForms implement the DynaBean interface, they are meant to deal with user input where as the views described by Pedro are simply value objects used to transport data from the business tier to the web tier. I guess you could define both DynaActionForms and views in the struts-config file, but then what if you want to use these declarative views outside of struts. Another reason might be that although DynaActionForms could be used in such a fashion, they are seen as part of the web tier and it is not considered a good practice for the business tier to have knowlege of web tier stuff. The real advantage here is to be able to define value objects declaratively just like you do with DynaActionForms. Pedro, speak up if I have misinterpretted your intentions. robert -Original Message- From: Hue Holleran [mailto:[EMAIL PROTECTED] Sent: Thursday, August 21, 2003 4:40 PM To: Struts Users Mailing List; [EMAIL PROTECTED] Subject: RE: Horizon: a view management plugin I must confess to being a bit confused! What is the difference between your approach and getting an instance of a Dyna, viz: DynaActionFormClass dafc = DynaActionFormClass.getDynaActionFormClass(Dyna-Definition-Name-I n-Struts-C onfig); DynaActionForm myBean = (DynaActionForm) dafc.newInstance(); At least with the above approach the beans are stored in struts-config in the usual struts syntax - it's just they're not used in the action name parameter - but are created on-the-fly in an action (or wherever) with the above code. I'm concerned I may be missing some obvious advantage to your approach - hence the reason for the question! Hue. -Original Message- From: Pedro Emanuel de Castro Faria Salgado [mailto:[EMAIL PROTECTED] Sent: 21 August 2003 16:15 To: [EMAIL PROTECTED] Subject: Re: Horizon: a view management plugin Pedro Emanuel de Castro Faria Salgado wrote: Hi, I have built a plugin for Struts that creates view beans using dynabeans that are defined on a xml file and i was wondering if anyone in the Struts project/mailing list was interested on checking the use of it? When I see dynabean are you saying BeanUtils.DynaBean and what is a 'view bean', do you mean a Action Form ? yes If so what is the difference between your plugin and a DynaActionForm ? i think, actually, there is none... the difference is for what i use the view beans for: transfering data from actions to build combobox on form and present data that isn't on a form. i know i can use the form itself to put a collection to build a combobox and use another form bean property to store the user input but it is less confusing if i define forms with only the properties the user can enter data and another bean for transmitting data (dto... in my case i call it view bean). before the plugin i had to define a new java class (attributes + getters/setters) for each new dto i wanted, now, i only need to add some lines to a xml file... Given that your plugin is generally useful then there are several options : 1) Since web space can gotten for free now days you could always post it on a site with some documentation on how to use it. i will see what i can do... 2) We are using the http://www.sf.net/projects/struts site as an incubator for projects you can post there to see if there is interest. thank you for the tip... 3) Find someone else with a struts web site, that would host it. Most importantly having an example, that is documented is key. I have already sent the source on another email so you can take a look (src + javadoc + ant file) and i am finishing a small web app. thanks for the tips... Pedro Salgado - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.512 / Virus Database: 309 - Release Date: 19/08/2003 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.512 / Virus Database: 309 - Release Date: 19/08/2003
RE: Nested tags and recursive inclusion
I think it is. Probably because WSAD 4.x uses JSP1.1 which requires the flush attribute in jsp:include. And the flush attribute cannot be used with custom tags. I ran the application on Tomcat 5.0 and it worked fine. Thanks Yamini -Original Message- From: Paul McCulloch [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 8:38 PM To: 'Struts Users Mailing List' Subject: RE: Nested tags and recursive inclusion I use this all the time with Tomcat. Maybe this is a websphere bug? -Original Message- From: Yamini Krishnamurthi Ayyagari [mailto:[EMAIL PROTECTED] Sent: 22 August 2003 11:53 To: Struts Users Mailing List Subject: Nested tags and recursive inclusion Hello, I am trying to make recursive inclusion work with nested tags on Websphere but am running into some problems. This is what my code looks like. In main jsp: nested:nest property=tree jsp:include page=treenode.jsp flush=true/ /nested:nest But I get an exception stating: Illegal to flush within a custom tag. If I do not flush I get an invalid jsp:include tag exception. Can someone help me with this? Thanks and Regards Yamini Ayyagari - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] ** Axios Email Confidentiality Footer Privileged/Confidential Information may be contained in this message. If you are not the addressee indicated in this message (or responsible for delivery of the message to such person), you may not copy or deliver this message to anyone. In such case, you should destroy this message, and notify us immediately. If you or your employer does not consent to Internet email messages of this kind, please advise us immediately. Opinions, conclusions and other information expressed in this message are not given or endorsed by my Company or employer unless otherwise indicated by an authorised representative independent of this message. WARNING: While Axios Systems Ltd takes steps to prevent computer viruses from being transmitted via electronic mail attachments we cannot guarantee that attachments do not contain computer virus code. You are therefore strongly advised to undertake anti virus checks prior to accessing the attachment to this electronic mail. Axios Systems Ltd grants no warranties regarding performance use or quality of any attachment and undertakes no liability for loss or damage howsoever caused. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Generating logs w/Log4J in ActionClass
I have methods for debug, info, warn and error. Attached is a sample class
I use.
- Original Message -
From: Kapadia Mitesh-C23457 [EMAIL PROTECTED]
To: Struts Users Mailing List [EMAIL PROTECTED]
Sent: Friday, August 22, 2003 11:08 AM
Subject: RE: Generating logs w/Log4J in ActionClass
Thanks David.
Quick question -- do I just have the listed method you provided in my
wrapper class?
-Original Message-
From: David Stemm [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 8:56 AM
To: Struts Users Mailing List
Subject: Re: Generating logs w/Log4J in ActionClass
I just create a class that wraps the log statements and would have a
function like this:
public static void debug(String message, String aCategory)
{
Category cat = Category.getInstance(aCategory);
cat.debug(message);
}
then when I need to use this I would call something like:
MyLogger.debug(Message, this.getClass().getName());
Hope that helps.
- Original Message -
From: Mike Jasnowski [EMAIL PROTECTED]
To: Struts Users Mailing List [EMAIL PROTECTED]
Sent: Friday, August 22, 2003 8:33 AM
Subject: RE: Generating logs w/Log4J in ActionClass
Sorry, this is with commons logging not log4j specifically
-Original Message-
From: Mike Jasnowski [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 9:29 AM
To: Struts Users Mailing List
Subject: RE: Generating logs w/Log4J in ActionClass
In your action class, retrieve your log instance
Log LOG = LogFactory.getLog(YourAction.class);
Then wherever you need to log:
if (LOG.isDebugEnabled()) {
LOG.debug(Log your debug msg here);
}
Replace isDebugEnabled() with whatever level you want to use.
HTH,
Mike J
-Original Message-
From: Kapadia Mitesh-C23457 [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2003 11:55 AM
To: [EMAIL PROTECTED]
Subject: Generating logs w/Log4J in ActionClass
I have the appropriate configurations completed to use Log4J w/Tomcat.
However, how would I invoke Log4J from within my action class to
generate DEBUG statements? I have the following package imported:
import org.apache.log4j.*;
Any examples would be most appreciated.
Thanks in advance.
- Mitesh
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data source problems
Hi all. I'm sure this has been asked before but I can't seem to find it in the archives. I'm building a simple web app and I want to use a connection pool. I've decided to use the commons dbcp BasicDataSource class (org.apache.commons.dbcp.BasicDataSource). Here is the struts-config I'm using (based on the one from the struts faq) : data-sources data-source type=org.apache.commons.dbcp.BasicDataSource set-property property=autoCommit value=true / set-property property=description value=MySQL datasource / set-property property=driverClass value=com.mysql.jdbc.Driver / set-property property=maxCount value=10 / set-property property=minCount value=2 / set-property property=username value=username / set-property property=password value=password / set-property property=url value=jdbc:mysql://localhost:3306/databasename / /data-source /data-sources I have placed the following jars in my \WEB-INF\lib folder : commons-collections.jar commons-dbcp.jar commons-pool.jar commons-logging.jar mysql-connector-java-3.0.8-stable-bin.jar struts.jar From what I've read and seen, this should work fine. However, no matter what I try, I get the following exception: java.lang.NoClassDefFoundError: org/apache/struts/legacy/GenericDataSource I'm aware that GenericDataSource is depreciated. However, I'm not trying to use it. My only guess is that somehow struts/tomcat isn't finding the commons.dbcp.BasicDataSource and it trying to default to the GenericDataSource instead. Does anyone have any idea how I can get this to work? I'm willing to try anything but my main goal is to have a pooled connection to my mySQL database. Thanks in advance. v - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: data source problems
--- Fumo, Vince [EMAIL PROTECTED] wrote: Hi all. I'm sure this has been asked before but I can't seem to find it in the archives. I'm building a simple web app and I want to use a connection pool. I've decided to use the commons dbcp BasicDataSource class (org.apache.commons.dbcp.BasicDataSource). Here is the struts-config I'm using (based on the one from the struts faq) : data-sources data-source type=org.apache.commons.dbcp.BasicDataSource set-property property=autoCommit value=true / set-property property=description value=MySQL datasource / set-property property=driverClass value=com.mysql.jdbc.Driver / set-property property=maxCount value=10 / set-property property=minCount value=2 / set-property property=username value=username / set-property property=password value=password / set-property property=url value=jdbc:mysql://localhost:3306/databasename / /data-source /data-sources I have placed the following jars in my \WEB-INF\lib folder : commons-collections.jar commons-dbcp.jar commons-pool.jar commons-logging.jar mysql-connector-java-3.0.8-stable-bin.jar struts.jar GenericDataSource lives in struts-legacy.jar. Add that to your lib directory and it should find it. David From what I've read and seen, this should work fine. However, no matter what I try, I get the following exception: java.lang.NoClassDefFoundError: org/apache/struts/legacy/GenericDataSource I'm aware that GenericDataSource is depreciated. However, I'm not trying to use it. My only guess is that somehow struts/tomcat isn't finding the commons.dbcp.BasicDataSource and it trying to default to the GenericDataSource instead. Does anyone have any idea how I can get this to work? I'm willing to try anything but my main goal is to have a pooled connection to my mySQL database. Thanks in advance. v - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Bypassing Form Validation
Try html:cancel onclick=bCancel=true;/ -- Norm Deane MIS Consultant Vanderbilt University (615) 322-7855 [EMAIL PROTECTED] -Original Message- From: David Stemm [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 10:39 AM To: Struts Users Mailing List Subject: Bypassing Form Validation I'm having trouble trying to cancel out of a form. I have a cancel button that looks like this: html:submit title=Cancel value=Cancel property=submit tabindex='24' onclick=bCancel=true;/ and while the onclick event does cancel out the javascript validation it still goes ahead and performs the server-side validation and I get errors saying certain fields are required, etc. I'm using a DynaValidatorForm and my action class inherits from DispatchAction. Anybody have any ideas? David Stemm - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [OT] JNDI datasource lookup to test classes
--- Leonardo Francalanci [EMAIL PROTECTED] wrote: In my DB tier I use an interface to get the connection. When used under Tomcat, the class that implements the connection gets the connecton through JNDI. I want to test these classes outside of Tomcat. Is there a simple way to put objects in the Context, I mean a simple way to emulate Tomcat behavior? I read the JNDI tutorial, but is the worse thing I've ever read. At this moment I created a class that implements my interface and that open a simple connection to the db, but in this way I need to set the right interface (JNDI/Simple) in each class a want to test. The most common solution to this problem is using a Factory Method to return the correct implementation of the interface. Your classes should never know which implementation is in use because they will all ask the Factory Method for the object. You just need to change the one line in the method to return a different object for testing. David - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Problem build war using Ant
I am using Ant to build my war file. my build file is
target name=createwar
war destfile=${war.file.name} webxml=WEB-INF/myapp.xml
fileset dir=./pages excludes=*.war, **/*.nbattrs, *.java/
webinf dir=./etcincludes=*.tld, ./struts-config.xml
excludes=**/*.jar, **/*.class/
lib dir=./lib /lib
classes dir=${build.dir} includes=**/*.properties /
/war
/target
When i run the build only content of pages dir is included, Can some one help me to
debug tht build file.
Thanks and Regards
Deepak
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Re: Generating logs w/Log4J in ActionClass
I have the appropriate configurations completed to use Log4J w/Tomcat.
However, how would I invoke Log4J from within my action class to
generate DEBUG statements?
I have the following package imported:
import org.apache.log4j.*;
Any examples would be most appreciated.
Thanks in advance.
- Mitesh
add an attribute
private Logger log = Logger.getLogger();
to debug use
if (log.isDebugEnabled()) {
log.debug(message);
}
I think that will do the trick.
Pedro Salgado
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RE: data source problems
Yes..I know that I can include the legacy jar but I don't want to. I'd prefer to not use depreciated librarys in my app. The thing I'm confused about is that I'm not sure how I'm even using GenericDataSource at all. I thought that by explicitly using the BasicDataSource I would be avoiding this problem. -Original Message- From: David Graham [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 1:08 PM To: Struts Users Mailing List Subject: Re: data source problems --- Fumo, Vince [EMAIL PROTECTED] wrote: Hi all. I'm sure this has been asked before but I can't seem to find it in the archives. I'm building a simple web app and I want to use a connection pool. I've decided to use the commons dbcp BasicDataSource class (org.apache.commons.dbcp.BasicDataSource). Here is the struts-config I'm using (based on the one from the struts faq) : data-sources data-source type=org.apache.commons.dbcp.BasicDataSource set-property property=autoCommit value=true / set-property property=description value=MySQL datasource / set-property property=driverClass value=com.mysql.jdbc.Driver / set-property property=maxCount value=10 / set-property property=minCount value=2 / set-property property=username value=username / set-property property=password value=password / set-property property=url value=jdbc:mysql://localhost:3306/databasename / /data-source /data-sources I have placed the following jars in my \WEB-INF\lib folder : commons-collections.jar commons-dbcp.jar commons-pool.jar commons-logging.jar mysql-connector-java-3.0.8-stable-bin.jar struts.jar GenericDataSource lives in struts-legacy.jar. Add that to your lib directory and it should find it. David From what I've read and seen, this should work fine. However, no matter what I try, I get the following exception: java.lang.NoClassDefFoundError: org/apache/struts/legacy/GenericDataSource I'm aware that GenericDataSource is depreciated. However, I'm not trying to use it. My only guess is that somehow struts/tomcat isn't finding the commons.dbcp.BasicDataSource and it trying to default to the GenericDataSource instead. Does anyone have any idea how I can get this to work? I'm willing to try anything but my main goal is to have a pooled connection to my mySQL database. Thanks in advance. v - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Resetting of Checkbox when using logic:iterate Tag
Hi, I have one issue, that is I have some checkboxes within my logic:iterate, and 1) When the user clicks on the checkbox, the property corresponding to the checkbox is set to 'on'. 2) When the user de-clicks the checkbox(removes the check), the checkbox is still set to 'on', how do we reset the checkbox... My code is as follows: logic:iterate name=WorkQueueForm property=workQueueArrList indexId=clmIdx id=indexBean type=com.tgt.dist.icl.formbeans.WorkQueueBean html:select name=indexBean property=updtClaimStatus indexed=true html:option value=nbsp;/html:option html:option value=PP/html:option html:option value=WW/html:option html:option value=AA/html:option html:option value=MM/html:option html:option value=CC/html:option /html:select html:checkbox name=indexBean property=updtClaimPriority indexed=true/html:checkbox /logic:iterate WorkQueueForm is the Form Bean workQueueArrList is a property of the WorkQueue Form Bean which contains WorkQueue Beans. I would be obliged if you could let us know how to reset the checkbox, when the user Deselects the checkbox, the checkbox property in the WorkQeue Bean should be reset to null. Thanks, Raghu -Original Message- From: Dan Tran [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 10:45 AM To: Struts Users Mailing List Subject: Re: struts test info http://strutstestcase.sourceforge.net/ -Dan - Original Message - From: ronanoc [EMAIL PROTECTED] To: Struts List [EMAIL PROTECTED] Sent: Friday, August 22, 2003 6:13 AM Subject: struts test info Can anyone point me in the direction of good examples and info about using/writing Struts tests other than the documentation that comes with Struts test it self...? Thanks in advance. Ron. Always ready to Discotogogo - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Bypassing Form Validation
Tried that - it still performs the server-side validation. - Original Message - From: Norm Deane [EMAIL PROTECTED] To: 'Struts Users Mailing List' [EMAIL PROTECTED] Sent: Friday, August 22, 2003 12:07 PM Subject: RE: Bypassing Form Validation Try html:cancel onclick=bCancel=true;/ -- Norm Deane MIS Consultant Vanderbilt University (615) 322-7855 [EMAIL PROTECTED] -Original Message- From: David Stemm [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 10:39 AM To: Struts Users Mailing List Subject: Bypassing Form Validation I'm having trouble trying to cancel out of a form. I have a cancel button that looks like this: html:submit title=Cancel value=Cancel property=submit tabindex='24' onclick=bCancel=true;/ and while the onclick event does cancel out the javascript validation it still goes ahead and performs the server-side validation and I get errors saying certain fields are required, etc. I'm using a DynaValidatorForm and my action class inherits from DispatchAction. Anybody have any ideas? David Stemm - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Validator with property String array problem
Commons Validator was recently modified to allow the required validation
in Struts to run on String[] or Collection objects. You can download the
latest Validator nightly build to try it out.
David
--- java-dude [EMAIL PROTECTED] wrote:
Hi,
I am having problems using Validator framework to perform client
side validation on a String array property declared in a
DynaValidatorForm.
The results are that the validation does seem to work in a fashion
such that the user is not taken to the next page and is kept on
current jsp while data entered is invalid BUT no pop up alert error
messages are being diplayed. (For other forms in the application
where I am validating single properties the validation and pop up
error messages are working fine.)
Has anybody solved/encountered this problem ?
I have provided the relevant snippets from my current configuration
to illustrate my implementation :-
struts-config.xml
=
.
.
.
form-bean
name=enterReadingForm
type=org.apache.struts.validator.DynaValidatorForm
form-property name=theReading type=java.lang.String[]/
/form-bean
.
.
.
validation.xml
==
.
.
.
form name=enterReadingForm
field property=theReading indexedListProperty=theReading
depends=required,minlength,maxlength,mask
arg0 key=prompt.theReading/
arg1 key=${var:minlength} name=minlength
resource=false/
arg2 key=${var:maxlength} name=maxlength
resource=false/
var
var-nameminlength/var-name
var-value1/var-value
/var
var
var-namemaxlength/var-name
var-value6/var-value
/var
var
var-namemask/var-name
var-value^[0-9]*$/var-value
/var
/field
/form
.
.
.
ApplicationResources.properties
===
.
.
.
prompt.theReading=The Reading
.
.
.
enterReading.jsp
.
.
.
nested:iterate id=registerDetails name=readingDetails
scope=page property=register
nested:text name=registerDetails
property=theReading size=6 maxlength=6/
/nested:iterate
.
.
.
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RE: Problem build war using Ant
thats cause you mentioned it like that
fileset dir=./pages excludes=*.war, **/*.nbattrs, *.java/
it would take the base dir as ./pages
add multiple fileset if you want some other dir too...
Panchasheel
-Original Message-
From: deepaksawdekar [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 12:48 PM
To: Struts Users Mailing List
Subject: Problem build war using Ant
I am using Ant to build my war file. my build file is
target name=createwar
war destfile=${war.file.name} webxml=WEB-INF/myapp.xml
fileset dir=./pages excludes=*.war, **/*.nbattrs,
*.java/
webinf dir=./etcincludes=*.tld, ./struts-config.xml
excludes=**/*.jar, **/*.class/
lib dir=./lib /lib
classes dir=${build.dir} includes=**/*.properties /
/war
/target
When i run the build only content of pages dir is included, Can some one
help me to debug tht build file.
Thanks and Regards
Deepak
-
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RE: Validating uploaded file as an image only
Cool,
Thanks Adam :-)
-Original Message-
From: Adam Levine [mailto:[EMAIL PROTECTED]
Sent: 22 August 2003 15:27
To: [EMAIL PROTECTED]
Subject: RE: Validating uploaded file as an image only
Use of the MediaTracker is way to track the status of any media.
From the MediaTracker javadoc:
The MediaTracker class is a utility class to track the status of a
number
of media objects. Media objects could include audio clips as well as
images,
though currently only images are supported
From the Tutorial, section Loading Images:
http://java.sun.com/docs/books/tutorial/uiswing/painting/usingImages.htm
l
Basically, we use the mediatracker to be informed of when an image has
been
completely loaded. The resource you're pulling could be local, could be
remote.. thusly, the complete data load time could vary. Since
getImage()
is non-blocking, this is how you know.
I suppose I could use those methods.. never really considered them. I'm
pretty sure I've tried uploading non-image files, and I recall this
catching
them as not being images. but, it's been awhile, so ymmv.
cheers!
-- adam
I've never had any problems with this methodology.
From: Brian McSweeney [EMAIL PROTECTED]
Reply-To: Struts Users Mailing List [EMAIL PROTECTED]
To: 'Struts Users Mailing List' [EMAIL PROTECTED]
Subject: RE: Validating uploaded file as an image only
Date: Fri, 22 Aug 2003 13:38:11 -
Hi Adam,
Cool! I had no clue that any of this was available.
A few questions if you don't mind.
What is the purpose of using the MediaTracker?
I understand how using
Image makeimg = Toolkit.getDefaultToolkit().createImage(
image.getFileData() );
will show you if it's a proper image, but I don't understand
how the MediaTracker class helps? Does it just show if the
image could be re-displayed or something?
If that assumption is correct, then the javadocs say that:
If there is an error while loading or scaling an image, then that image
is considered to have finished loading. Use the isErrorAny and isErrorID
methods to check for errors.
So should you perhaps use these isErrorAny or isErrorID methods too?
Any problems ever experienced?
Anyway, really appreciate this help,
Brian
-Original Message-
From: Adam L [mailto:[EMAIL PROTECTED]
Sent: 22 August 2003 13:12
To: Struts Users Mailing List
Subject: Re: Validating uploaded file as an image only
I do it the brute force way:
snip -
FormFile image;
java.awt.Image makeimg = null;
try
{
makeimg = Toolkit.getDefaultToolkit().createImage(
image.getFileData() );
// wait for the image to be loaded/created
Canvas cv = new Canvas();
MediaTracker media_tracker = new MediaTracker( cv );
// add image to the tracker
int id = 0;
media_tracker.addImage(makeimg,id);
// try to wait for image to be loaded
// catch if loading was interrupted
media_tracker.waitForID(id);
// if we can't load it, it'll get tossed back from the
catch()
// by now we should have a good image to deal with
// check on image dimensions
int imgw = makeimg.getWidth( cv );
int imgh = makeimg.getHeight( cv );
}
catch (..)
end snip--
I also check for file size (ie, dont' allow anything over 1M), and then
image dimensions. The only thing I don't do is validate the mime-type.
I haven't tried uploading images from a text browser (ie lynx or links),
yet, to see what sort of mime-type it would attach.. but the ones from
IE
always seem to be fine.
cheers!
-- adam
- Original Message -
From: Brian McSweeney [EMAIL PROTECTED]
To: 'Struts Users Mailing List' [EMAIL PROTECTED]
Sent: Friday, August 22, 2003 6:32 AM
Subject: RE: Validating uploaded file as an image only
PS - there was a discussion recently on how to improve the
Validator.
Validating an uploaded file based on mime type would be cool !
A quick search on the web led me to a company that does this
With a java api
http://www.oop-reserch.com/mime_prop.html
It seems in jdk1.4 you can actually validate based on the
binary pattern expected for a mime type. So if it is a gif,
you can check that the bit pattern of the uploaded file
matches that of a gif.
This is apparently to avoid users uploading say a text file
named mytextfile.gif
Now that would be nice :-)
Brian
-Original Message-
From: Brian McSweeney [mailto:[EMAIL PROTECTED]
Sent: 22 August 2003 11:13
To: 'Struts Users Mailing List'
Subject: Validating uploaded file as an image only
Hi everyone,
I've managed to get the struts file upload working successfully,
using the struts FormFile class and the upload example.
Cool :-)
However, in my app, I only want images to be uploaded.
I'm going to store the images on disk and put the path of the
image file into the
Formatting data for Struts form tags at the JSP layer - is thisright/possible?
I would like to state a basic assumption I deduced in learning struts, then pose a question. Assumption: ActionForm property getters and setters should return and take Strings. My initial impulse was to try passing the actual data types (Dates, Numbers, etc.); however, the Struts mechanism seems to pass Strings to the ActionForm setter methods on form submission (which throws a conversion Exception of course). Then I tried making the setters take Strings, and getters return the actual data types, but this seemed to confuse the introspection mechanism; plus I didn't see any way to apply formatting inside the html:text tags (like you can in JSTL's fmt:format tags). Question: How does one handle formatting data (custom formatting or i18n) for (pre/re)population of a form? Ex.: An update form; a user's information is loaded from the database into classes (Strings, Dates, Numbers, etc.). If you want to format this data, you have to do it in the Model, as the ActionForm only takes and gives Strings - which seems to be a Bad Practice. Even if you had additional special setters for the explicit purpose of populating the ActionForm from original data types, you still don't know what Locale the client is from. Is my assumption incorrect? Is there a basic flaw in my understanding of the use of ActionForm? Or there an actual short-coming, and workaround? In short, How Can You Format Data For Strut's Form Tags Inside The Actual JSP :-) ? Thank you for any input. -Sasha - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [OT] JNDI datasource lookup to test classes
On 08/22/2003 04:43 PM Leonardo Francalanci wrote: I read the JNDI tutorial, but is the worse thing I've ever read. You've obviously never read any of my poetry. -- struts 1.1 + tomcat 4.1.27 + java 1.4.2 Linux 2.4.20 RH9 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: login request + ActionServlet RequestProcessor Action
Hi david I spent a little to much allocated time on this so I had to move on, and I am going to come back to it at a later date. I have a quick 'hack' (a taglib which checks the session in each jsp) for my prototype to present to the client..Anyway, when i do it i will let you know. What i have found so far though is that by using declarative exception handling in my struts-config.xml the error, i think, needs to be thrown from a action class. If i could do it from my requestProcessor that would be great? I wasnt sure how to configure my app to call processRoles() on evey request, so i overrode the locale method as a test as this was been called eveytime. However because the locale method dosnt throw any exceptions i again ran into problems. So overall what i really would like to do would be to extend requestProcessor with my own custom method which throws my own exception which will be redirected to the appropriate page and called on every request. Sounds easy and probably is to someone who has a better understanding of stuts than i do? Anyway wont give up and will let you know if you are interested? Bank holiday this monday!! so a long relaxing weekend is due before i crack on with this one ; ) cheers Andy On Friday 22 Aug 2003 4:21 pm, you wrote: Andy, Did you get processRoles to work for you? How do you redirect to the (error) page of your choice in it? Thanks, David -Original Message- From: Andy Richards [mailto:[EMAIL PROTECTED] Sent: Thursday, August 21, 2003 9:55 AM To: Struts Users Mailing List Subject: Re: login request + ActionServlet RequestProcessor Action Hmm Strugling a bit with this one now.?? I have extended requestProcessor and tried to perform a requestDispatch and responseRedirect, however both fail as the error message informs me the reponse has already been submitted. I thought i may be able to use declarative exception handling with global exceptions in the stuts config to redirect the user to my login page (but no joy!). Anyone have any ideas? Also what method should i override in the RequestProcessor when handling my login? many thanks Andy On Thursday 21 Aug 2003 11:40 am, Kok Wei, Koh wrote: Yeah you should only need to define your custom AuthenticationRequestProcessor class which extends RequestProcessor in controller element of your struts-config.xml. Andy Richards wrote: Hi Kok Good point, never thought about that! One point towards extending the requestProcessor then, as if i am right i configure this in my struts-config.xml and dont need to extend it from every action class. Thanks Andy On Thursday 21 Aug 2003 10:26 am, Kok Wei, Koh wrote: Hi Andy, I guess the decision boils down to how your application is going to be written. For a project I worked on couple of weeks back, I ran into a problem where one of my Actions needs to extend a class to inherit some functionality, but I was stucked because I need to extend my AuthenticationAction which handles all my user login stuff. I can't extend from 2 classes, right? I then went on to research the RequestProcessor. I used tiles of Struts 1.1 in my project so what I did was I ported the AuthenticationAction code to say AuthenticationRequestProcessor and it extends TilesRequestProcessor which extends the Struts RequestProcessor. So it all depends on if you're gonna run into problems like this? My 2 cents. Hope this helps. Andy Richards wrote: Hi After deciding which approach to take and reading a few of my struts books about the controller object ; ) I am now confused as which is the most appropriate class to extend to perform my login functionality. David suggests extending the base action class, however i have read that the RequestProcessor class was added to struts1.1 to extend the ActionServlet. From what i can see this class handles all requests and one of its methods calls the appropriate action. Therefore which would be the better class to extend ActionServlet, RequestProcessor or Action. Any ideas.? thanks Andy On Wednesday 20 Aug 2003 2:41 pm, David G. Friedman wrote: Dear Andy, I'm doing the same thing you suggest. My approach is to extend the base Action (or any type of Action) class by adding a functon 'checkLogin'. It takes the 'request' as the argument, checks the session for a User bean, and throws an exception if the bean is missing or if the ID number on the bean is zero/unset. In my execute() method I make my first line 'checkLogin(request)' and it handles my authentication. If you try this approach, keep in mind I'm using Struts v1.1 final so I can use exceptions. Tonight I'm going to try switching it to an interface so I can use it to extend any action type by using 3 lines (and without sub-classing): 1. import com.mycompany.auth.LoginCheck; 2. public class
RE: data source problems
--- Fumo, Vince [EMAIL PROTECTED] wrote: Yes..I know that I can include the legacy jar but I don't want to. I'd prefer to not use depreciated librarys in my app. The thing I'm confused about is that I'm not sure how I'm even using GenericDataSource at all. I thought that by explicitly using the BasicDataSource I would be avoiding this problem. Having the jar in your lib directory doesn't mean you're using deprecated functionality. Indeed, you're not even using GenericDataSource. You must install that jar because Struts uses it internally. It has been removed for 1.2. David -Original Message- From: David Graham [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 1:08 PM To: Struts Users Mailing List Subject: Re: data source problems --- Fumo, Vince [EMAIL PROTECTED] wrote: Hi all. I'm sure this has been asked before but I can't seem to find it in the archives. I'm building a simple web app and I want to use a connection pool. I've decided to use the commons dbcp BasicDataSource class (org.apache.commons.dbcp.BasicDataSource). Here is the struts-config I'm using (based on the one from the struts faq) : data-sources data-source type=org.apache.commons.dbcp.BasicDataSource set-property property=autoCommit value=true / set-property property=description value=MySQL datasource / set-property property=driverClass value=com.mysql.jdbc.Driver / set-property property=maxCount value=10 / set-property property=minCount value=2 / set-property property=username value=username / set-property property=password value=password / set-property property=url value=jdbc:mysql://localhost:3306/databasename / /data-source /data-sources I have placed the following jars in my \WEB-INF\lib folder : commons-collections.jar commons-dbcp.jar commons-pool.jar commons-logging.jar mysql-connector-java-3.0.8-stable-bin.jar struts.jar GenericDataSource lives in struts-legacy.jar. Add that to your lib directory and it should find it. David From what I've read and seen, this should work fine. However, no matter what I try, I get the following exception: java.lang.NoClassDefFoundError: org/apache/struts/legacy/GenericDataSource I'm aware that GenericDataSource is depreciated. However, I'm not trying to use it. My only guess is that somehow struts/tomcat isn't finding the commons.dbcp.BasicDataSource and it trying to default to the GenericDataSource instead. Does anyone have any idea how I can get this to work? I'm willing to try anything but my main goal is to have a pooled connection to my mySQL database. Thanks in advance. v - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Quick Java question
Well, the number of arguments is part of the method signature. In your case a dynamic object would be ideal, and if you don't want to use an array you could ever use a Collection, which offers the add(Object element), remove(Object element) methods, thus allowing for dynamicity. The Collection package (java.util) offers also great flexibility as it manage collection through the core interfaces and each implementation class has methods to convert one collection type to another. If I understood your design, the user chooses incrementally the fields to add to the query, thus the Collection.add(Object element) and Collection.remove(Object element) methods could be suitable in your case. The Collection package offers also methods to convert Collections to array with the Collection.toArray() (or Collection.toArray(object[] array) methods). This way your method has to define only one argument (a Collection) and you can play with it from within your method. Hope it will help, Marco ORIGINAL MESSAGE: Message-ID: [EMAIL PROTECTED] From: David Erickson [EMAIL PROTECTED] To: Struts Mailing List [EMAIL PROTECTED] Subject: Quick Java question.. Date: Thu, 21 Aug 2003 16:00:12 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 7bit Hey as I've been building my actions I was thinking it could be useful for me to have a method that does some database querying, but I would like to give the user the ability to narrow down that query with as many input fields as he needs. Is there a way to write a method that takes a non-set amount of arguments? (Other than just passing the method a growable array.. which is a viable alternative) Ie public String myfunction(String a, String b, String c on down the line indefinitly) ? I thought I had seen this done somewhere somehow but I may be wrong. Thanks!
Help on pagination!!!!!!!!!!!!!!!!
Hi I have a question regarding pagination. I have say 40 records, and I am displaying them as 10 per page.Now I go to the 2nd page and delete a record, say record no 11.How do i make sure that i remains in the 2nd page and shows the records from 12-21?
Re: Resetting of Checkbox when using logic:iterate Tag
Are you using the reset() method of your ActionForm to set the checkbox to null or false? http://jakarta.apache.org/struts/faqs/newbie.html#checkbox Susan Bradeen On 08/22/2003 12:32:17 PM Raghu.Ramakrishnan wrote: Hi, I have one issue, that is I have some checkboxes within my logic:iterate, and 1) When the user clicks on the checkbox, the property corresponding to the checkbox is set to 'on'. 2) When the user de-clicks the checkbox(removes the check), the checkbox is still set to 'on', how do we reset the checkbox... My code is as follows: logic:iterate name=WorkQueueForm property=workQueueArrList indexId=clmIdx id=indexBean type=com.tgt.dist.icl.formbeans.WorkQueueBean html:select name=indexBean property=updtClaimStatus indexed=true html:option value=nbsp;/html:option html:option value=PP/html:option html:option value=WW/html:option html:option value=AA/html:option html:option value=MM/html:option html:option value=CC/html:option /html:select html:checkbox name=indexBean property=updtClaimPriority indexed=true/html:checkbox /logic:iterate WorkQueueForm is the Form Bean workQueueArrList is a property of the WorkQueue Form Bean which contains WorkQueue Beans. I would be obliged if you could let us know how to reset the checkbox, when the user Deselects the checkbox, the checkbox property in the WorkQeue Bean should be reset to null. Thanks, Raghu -Original Message- From: Dan Tran [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 10:45 AM To: Struts Users Mailing List Subject: Re: struts test info http://strutstestcase.sourceforge.net/ -Dan - Original Message - From: ronanoc [EMAIL PROTECTED] To: Struts List [EMAIL PROTECTED] Sent: Friday, August 22, 2003 6:13 AM Subject: struts test info Can anyone point me in the direction of good examples and info about using/writing Struts tests other than the documentation that comes with Struts test it self...? Thanks in advance. Ron. Always ready to Discotogogo - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Problem with Checkboxes using logic:iterate
Hi, I have one issue, that is I have some checkboxes within my logic:iterate, and 1) When the user clicks on the checkbox, the property corresponding to the checkbox is set to 'on'. 2) When the user de-clicks the checkbox(removes the check), the checkbox is still set to 'on', how do we reset the checkbox... My code is as follows: logic:iterate name=WorkQueueForm property=workQueueArrList indexId=clmIdx id=indexBean type=com.tgt.dist.icl.formbeans.WorkQueueBean html:select name=indexBean property=updtClaimStatus indexed=true html:option value=nbsp;/html:option html:option value=PP/html:option html:option value=WW/html:option html:option value=AA/html:option html:option value=MM/html:option html:option value=CC/html:option /html:select html:checkbox name=indexBean property=updtClaimPriority indexed=true/html:checkbox /logic:iterate WorkQueueForm is the Form Bean workQueueArrList is a property of the WorkQueue Form Bean which contains WorkQueue Beans. I would be obliged if you could let us know how to reset the checkbox, when the user Deselects the checkbox, the checkbox property in the WorkQeue Bean should be reset to null. Thanks, Raghu -Original Message- From: Dan Tran [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 10:45 AM To: Struts Users Mailing List Subject: Re: struts test info http://strutstestcase.sourceforge.net/ -Dan - Original Message - From: ronanoc [EMAIL PROTECTED] To: Struts List [EMAIL PROTECTED] Sent: Friday, August 22, 2003 6:13 AM Subject: struts test info Can anyone point me in the direction of good examples and info about using/writing Struts tests other than the documentation that comes with Struts test it self...? Thanks in advance. Ron. Always ready to Discotogogo - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] -Original Message- From: atta-ur rehman [mailto:[EMAIL PROTECTED] Sent: Tuesday, August 19, 2003 5:56 PM To: Struts Users Mailing List Subject: [OT] Tree Stucture in STRUTS hi all, excuse me if this sounds off topic! can somebody please point to some references on how to incorporate a dynamically built tree-like structure in a struts app? can struts-menu be used for this purpose? any other suggestions? thanks. ATTA - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Authentication Filter not working
Hi all,
I try to use a filter for the authentication so I created a class which
implements filter with the following doFilter method (I found this in a
post)
code
public void doFilter(ServletRequest _request, ServletResponse _response,
FilterChain _chain)
throws IOException, ServletException
{
String redirectFailure = /logon.jsp;
HttpSession session = ((HttpServletRequest)_request).getSession(false);
if ((session == null) || (session.getAttribute(loggedIn)== null) )
{
context.getRequestDispatcher(redirectFailure)
.forward(_request,_response);
}
else {
_chain.doFilter(_request, _response);
}
}
/code
I added this in the web.xml file:
code
filter
filter-nameSessionFilter/filter-name
filter-classdbmanager.SessionFilter/filter-class
/filter
filter-mapping
filter-nameSessionFilter/filter-name
url-pattern/DBManager/*/url-pattern
/filter-mapping
/code
and I also :
- setted nocache to true for the Action servlet
- in lofgoff I invalide the session I create in login along with the
loggedIn variable
The problem : when I log out and then do a back to the last page everything
is working !!!
I overlooked something, any ideas?
Thanks,
Cezar
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RE: Horizon: a view management plugin
Hi Hue, I must confess to being a bit confused! What is the difference between your approach and getting an instance of a Dyna, viz: DynaActionFormClass dafc = DynaActionFormClass.getDynaActionFormClass(Dyna-Definition-Name-In-Struts-C onfig); With a form bean your goal is to get/pass the data from/to the user, validate and have an object to pass to somekind of usecase implementation method. You can also use the framework to define simple DTOs to keep the presentation layer decoupled from the business layer (pg.57 Chuck Cavaness's book - it even says dont use the action form to pass data to the business layer :) - you could use more arguments on the business layer method signature and make it decoupled...). I know that on the same page of the book it says that action forms are used to transfer data back and forth to user... but for me a think form beans are just to get user input... in other words, to use them with a html:form. I tryed what you wrote above and started mixing up definitions (and i am somewhat organized and set standards on defining labels... but i am a human). If i make a new bean definition just to present data to the user on a form bean i think all gets rather confusing... more if you see the example on page 56, he defines the views in a somewhat different way... one form bean, with one property that is Java class that will hold all the information...!!! - +1 Java class +several getter/setters +severall/2 attributes... he doesnt use form properties at all... The data process is something like: user - form-bean - action - populate dto (or not) - business layer - dto - action - form-bean - user The place where he uses the java class ItemDetailView(pg. 161, hope you hve the book) could be replaced by a dyna-bean (never defined on a form-bean) and some BeanUtils methods would do the rest. If you want you can still define a form-bean on struts-config file to present data to the user. Something like: form-bean name=form2View type=... form-property name=view property=org.apache.commons.beanutils.DynaBean/ /form-bean I usually have a superclass action method that registers a dynabean on a request with a predefined application key attribute for views. This way i save a new Java class definition and a form-bean declaration on struts.(dont see no point in adding a lot of duplicate definitions with the same properties just to have different names...though. on my documentation i just point to the xml definition name and that's it). DynaActionForm myBean = (DynaActionForm) dafc.newInstance(); At least with the above approach the beans are stored in struts-config in the usual struts syntax - it's just they're not used in the action name parameter - but are created on-the-fly in an action (or wherever) with the above code. I'm concerned I may be missing some obvious advantage to your approach - hence the reason for the question! You're right, but... The framework doesnt bring nothing new (the powder has already been discovered :), sorry ), it can help separate the use of dyna beans: some are to retrieve data (form beans), others are to present data (form-beans that i dont use)... and others are to decouple the presentation layer from the business layer (dto). I am not trying to convince anyone about anything... i just found the framework convenient and very useful for me... Thank you for the comments... send more like those it is always a pleasure to discuss ideas :) Pedro Salgado Hue. -Original Message- From: Pedro Emanuel de Castro Faria Salgado [mailto:[EMAIL PROTECTED] Sent: 21 August 2003 16:15 To: [EMAIL PROTECTED] Subject: Re: Horizon: a view management plugin Pedro Emanuel de Castro Faria Salgado wrote: Hi, I have built a plugin for Struts that creates view beans using dynabeans that are defined on a xml file and i was wondering if anyone in the Struts project/mailing list was interested on checking the use of it? When I see dynabean are you saying BeanUtils.DynaBean and what is a 'view bean', do you mean a Action Form ? yes If so what is the difference between your plugin and a DynaActionForm ? i think, actually, there is none... the difference is for what i use the view beans for: transfering data from actions to build combobox on form and present data that isn't on a form. i know i can use the form itself to put a collection to build a combobox and use another form bean property to store the user input but it is less confusing if i define forms with only the properties the user can enter data and another bean for transmitting data (dto... in my case i call it view bean). before the plugin i had to define a new java class (attributes + getters/setters) for each new dto i wanted, now, i only need to add some lines to a xml file... Given that your plugin is generally useful then there are several options : 1) Since web space can gotten for
[OT] - Bread Crumb navigation
I'm hoping to be able to do some dynamic breadcrumb trail stuff. I see some vague references to them when I search, but I don't see anything good. Anybody have any good links? thanks, steve - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Model 1 Struts
Hello, What is a way to add Struts to Model 1 App? The App is implemented as Model 1 and I have no time to transform it to Model 2 (and Struts). What is a way for new functionality to be implemented with Struts? How make possible for co-exist Model 1 and Struts in one App? Something like a put Struts JSP under WEB-INF and use Struts controller for those JSP, where other Model 1 JSP could be (and are) directly call. Any help with that are very welcome ;-) Best Regards. Michael. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: data source problems
Thank you David, I gave that a shot and I made some headway, however, now at Tomcat startup (and obvioulsy Struts startup) I'm getting an exception that basicly states Cannot load JDBC driver class 'null' (full startup is below). I'm sure I have my struts-config correct and I have the JDBC driver in the WEB-INF/lib directory and also the tomcat common/lib directory. Any ideas on where I'm messed up this time? relevant struts-config !-- Data Source Configuration -- data-sources data-source type=org.apache.commons.dbcp.BasicDataSource set-property property=descriptionvalue=MySQL datasource / set-property property=driverClass value=com.mysql.jdbc.Driver / set-property property=url value=jdbc:mysql://localhost/ed_test / set-property property=username value=ed-web / set-property property=password value=dashboard / set-property property=maxActive value=10 / set-property property=maxCount value=10 / set-property property=minCount value=2 / set-property property=maxWaitvalue=5000 / set-property property=defaultAutoCommit value=false / set-property property=defaultReadOnlyvalue=false / set-property property=validationQueryvalue=SELECT COUNT(*) FROM family / /data-source /data-sources the tomcat startup log Starting service Tomcat-Standalone Apache Tomcat/4.1.24 Aug 22, 2003 3:28:47 PM org.apache.struts.util.PropertyMessageResources init INFO: Initializing, config='org.apache.struts.util.LocalStrings', returnNull=true Aug 22, 2003 3:28:47 PM org.apache.struts.util.PropertyMessageResources init INFO: Initializing, config='org.apache.struts.action.ActionResources', returnNull=true Aug 22, 2003 3:28:47 PM org.apache.struts.util.PropertyMessageResources init INFO: Initializing, config='resources.application', returnNull=true Aug 22, 2003 3:28:47 PM org.apache.struts.action.ActionServlet initModuleDataSources SEVERE: Initializing application data source org.apache.struts.action.DATA_SOURCE java.sql.SQLException: Cannot load JDBC driver class 'null' at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.jav a:529) at org.apache.commons.dbcp.BasicDataSource.setLogWriter(BasicDataSource.java:38 1) at org.apache.struts.action.ActionServlet.initModuleDataSources(ActionServlet.j ava:1087) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:472) at javax.servlet.GenericServlet.init(GenericServlet.java:256) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:93 5) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java: 3420) at org.apache.catalina.core.StandardContext.start(StandardContext.java:3608) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:8 21) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:579) at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.j ava:307) at org.apache.catalina.core.StandardHost.install(StandardHost.java:772) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:559 ) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:401) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:718) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:358) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSuppor t.java:166) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1196) at org.apache.catalina.core.StandardHost.start(StandardHost.java:738) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347) at org.apache.catalina.core.StandardService.start(StandardService.java:497) at org.apache.catalina.core.StandardServer.start(StandardServer.java:2190) at org.apache.catalina.startup.Catalina.start(Catalina.java:512) at org.apache.catalina.startup.Catalina.execute(Catalina.java:400) at org.apache.catalina.startup.Catalina.process(Catalina.java:180) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39 ) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl .java:25) at java.lang.reflect.Method.invoke(Method.java:324) at
RE: [OT] - Bread Crumb navigation
I created an example .war using two different techniques that I posted on my site - it depends on tiles to function. Try http://www.calandva.com/holmansite/do/blog/blogging?date=20030701 Cal http://www.calandva.com/Last update 08/01/03 -Original Message- From: Steven Santiago [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 15:35 To: Struts Users Mailing List Subject: [OT] - Bread Crumb navigation I'm hoping to be able to do some dynamic breadcrumb trail stuff. I see some vague references to them when I search, but I don't see anything good. Anybody have any good links? thanks, steve - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] Learn more about Paymentech's payment processing services at www.paymentech.com THIS MESSAGE IS CONFIDENTIAL. This e-mail message and any attachments are proprietary and confidential information intended only for the use of the recipient(s) named above. If you are not the intended recipient, you may not print, distribute, or copy this message or any attachments. If you have received this communication in error, please notify the sender by return e-mail and delete this message and any attachments from your computer. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: data source problems
Try driverClassName as the property. -Original Message- From: Fumo, Vince [mailto:[EMAIL PROTECTED] Sent: Friday, August 22, 2003 3:32 PM To: 'Struts Users Mailing List' Subject: RE: data source problems Thank you David, I gave that a shot and I made some headway, however, now at Tomcat startup (and obvioulsy Struts startup) I'm getting an exception that basicly states Cannot load JDBC driver class 'null' (full startup is below). I'm sure I have my struts-config correct and I have the JDBC driver in the WEB-INF/lib directory and also the tomcat common/lib directory. Any ideas on where I'm messed up this time? relevant struts-config !-- Data Source Configuration -- data-sources data-source type=org.apache.commons.dbcp.BasicDataSource set-property property=descriptionvalue=MySQL datasource / set-property property=driverClass value=com.mysql.jdbc.Driver / set-property property=url value=jdbc:mysql://localhost/ed_test / set-property property=username value=ed-web / set-property property=password value=dashboard / set-property property=maxActive value=10 / set-property property=maxCount value=10 / set-property property=minCount value=2 / set-property property=maxWaitvalue=5000 / set-property property=defaultAutoCommit value=false / set-property property=defaultReadOnlyvalue=false / set-property property=validationQueryvalue=SELECT COUNT(*) FROM family / /data-source /data-sources the tomcat startup log Starting service Tomcat-Standalone Apache Tomcat/4.1.24 Aug 22, 2003 3:28:47 PM org.apache.struts.util.PropertyMessageResources init INFO: Initializing, config='org.apache.struts.util.LocalStrings', returnNull=true Aug 22, 2003 3:28:47 PM org.apache.struts.util.PropertyMessageResources init INFO: Initializing, config='org.apache.struts.action.ActionResources', returnNull=true Aug 22, 2003 3:28:47 PM org.apache.struts.util.PropertyMessageResources init INFO: Initializing, config='resources.application', returnNull=true Aug 22, 2003 3:28:47 PM org.apache.struts.action.ActionServlet initModuleDataSources SEVERE: Initializing application data source org.apache.struts.action.DATA_SOURCE java.sql.SQLException: Cannot load JDBC driver class 'null' at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.jav a:529) at org.apache.commons.dbcp.BasicDataSource.setLogWriter(BasicDataSource.java:38 1) at org.apache.struts.action.ActionServlet.initModuleDataSources(ActionServlet.j ava:1087) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:472) at javax.servlet.GenericServlet.init(GenericServlet.java:256) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:93 5) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java: 3420) at org.apache.catalina.core.StandardContext.start(StandardContext.java:3608) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:8 21) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:579) at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.j ava:307) at org.apache.catalina.core.StandardHost.install(StandardHost.java:772) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:559 ) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:401) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:718) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:358) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSuppor t.java:166) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1196) at org.apache.catalina.core.StandardHost.start(StandardHost.java:738) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347) at org.apache.catalina.core.StandardService.start(StandardService.java:497) at org.apache.catalina.core.StandardServer.start(StandardServer.java:2190) at org.apache.catalina.startup.Catalina.start(Catalina.java:512) at org.apache.catalina.startup.Catalina.execute(Catalina.java:400) at org.apache.catalina.startup.Catalina.process(Catalina.java:180) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
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Original Message
From: Cezar Nasui [mailto:[EMAIL PROTECTED]
Sent: Fri, 22 Aug 2003 15:15:57 -0400
To: Struts Users Mailing List [EMAIL PROTECTED]
Subject: Authentication Filter not working
Hi all,
I try to use a filter for the authentication so I created a class which
implements filter with the following doFilter method (I found this in a
post)
code
public void doFilter(ServletRequest _request, ServletResponse _response,
FilterChain _chain)
throws IOException, ServletException
{
String redirectFailure = /logon.jsp;
HttpSession session = ((HttpServletRequest)_request).getSession(false);
if ((session == null) || (session.getAttribute(loggedIn)== null) )
{
context.getRequestDispatcher(redirectFailure)
.forward(_request,_response);
}
else {
_chain.doFilter(_request, _response);
}
}
/code
I added this in the web.xml file:
code
filter
filter-nameSessionFilter/filter-name
filter-classdbmanager.SessionFilter/filter-class
/filter
filter-mapping
filter-nameSessionFilter/filter-name
url-pattern/DBManager/*/url-pattern
/filter-mapping
/code
and I also :
- setted nocache to true for the Action servlet
- in lofgoff I invalide the session I create in login along with the
loggedIn variable
The problem : when I log out and then do a back to the last page everything
is working !!!
I overlooked something, any ideas?
Thanks,
Cezar
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Thank you for submitting your request to Quest Software Technical Support. We are unable to process your request because our records indicate that you are not registered for Technical Support. To register, logon to our Supportlink web site http://www.quest.com/support , and self-register from the web. Or, you can phone Quest at one of the numbers below to register. Once you have registered, you can submit your request within Supportlink, by email at [EMAIL PROTECTED], by phone at one of the numbers below. Please do not reply to this email. If this is an URGENT matter please contact Quest Technical Support via telephone at one of the numbers listed below. Thank you, Quest Software Technical Support www.quest.com/support Quest Software Technical Support - Canada 902.442.5700 Quest Software Technical Support - United Kingdom 44.1628.601007 Quest Software Technical Support - United States 949.754.8000 Original Message From: Pedro Emanuel de Castro Faria Salgado [mailto:[EMAIL PROTECTED] Sent: Fri, 22 Aug 2003 11:14:49 +0100 (WEST) To: [EMAIL PROTECTED] Subject: RE: Horizon: a view management plugin Hi Hue, I must confess to being a bit confused! What is the difference between your approach and getting an instance of a Dyna, viz: DynaActionFormClass dafc = DynaActionFormClass.getDynaActionFormClass(Dyna-Definition-Name-In-Struts-C onfig); With a form bean your goal is to get/pass the data from/to the user, validate and have an object to pass to somekind of usecase implementation method. You can also use the framework to define simple DTOs to keep the presentation layer decoupled from the business layer (pg.57 Chuck Cavaness's book - it even says dont use the action form to pass data to the business layer :) - you could use more arguments on the business layer method signature and make it decoupled...). I know that on the same page of the book it says that action forms are used to transfer data back and forth to user... but for me a think form beans are just to get user input... in other words, to use them with a html:form. I tryed what you wrote above and started mixing up definitions (and i am somewhat organized and set standards on defining labels... but i am a human). If i make a new bean definition just to present data to the user on a form bean i think all gets rather confusing... more if you see the example on page 56, he defines the views in a somewhat different way... one form bean, with one property that is Java class that will hold all the information...!!! - +1 Java class +several getter/setters +severall/2 attributes... he doesnt use form properties at all... The data process is something like: user - form-bean - action - populate dto (or not) - business layer - dto - action - form-bean - user The place where he uses the java class ItemDetailView(pg. 161, hope you hve the book) could be replaced by a dyna-bean (never defined on a form-bean) and some BeanUtils methods would do the rest. If you want you can still define a form-bean on struts-config file to present data to the user. Something like: form-bean name=form2View type=... form-property name=view property=org.apache.commons.beanutils.DynaBean/ /form-bean I usually have a superclass action method that registers a dynabean on a request with a predefined application key attribute for views. This way i save a new Java class definition and a form-bean declaration on struts.(dont see no point in adding a lot of duplicate definitions with the same properties just to have different names...though. on my documentation i just point to the xml definition name and that's it). DynaActionForm myBean = (DynaActionForm) dafc.newInstance(); At least with the above approach the beans are stored in struts-config in the usual struts syntax - it's just they're not used in the action name parameter - but are created on-the-fly in an action (or wherever) with the above code. I'm concerned I may be missing some obvious advantage to your approach - hence the reason for the question! You're right, but... The framework doesnt bring nothing new (the powder has already been discovered :), sorry ), it can help separate the use of dyna beans: some are to retrieve data (form beans), others are to present data (form-beans that i dont use)... and others are to decouple the presentation layer from the business layer (dto). I am not trying to convince anyone about anything... i just found the framework convenient and very useful for me... Thank you for the comments... send more like those it is always a pleasure to discuss ideas :) Pedro Salgado Hue. -Original Message- From: Pedro Emanuel de Castro Faria Salgado
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Thank you for submitting your request to Quest Software Technical Support. We are unable to process your request because our records indicate that you are not registered for Technical Support. To register, logon to our Supportlink web site http://www.quest.com/support , and self-register from the web. Or, you can phone Quest at one of the numbers below to register. Once you have registered, you can submit your request within Supportlink, by email at [EMAIL PROTECTED], by phone at one of the numbers below. Please do not reply to this email. If this is an URGENT matter please contact Quest Technical Support via telephone at one of the numbers listed below. Thank you, Quest Software Technical Support www.quest.com/support Quest Software Technical Support - Canada 902.442.5700 Quest Software Technical Support - United Kingdom 44.1628.601007 Quest Software Technical Support - United States 949.754.8000 Original Message From: Steven Santiago [mailto:[EMAIL PROTECTED] Sent: Fri, 22 Aug 2003 15:34:45 -0400 To: Struts Users Mailing List [EMAIL PROTECTED] Subject: [OT] - Bread Crumb navigation I'm hoping to be able to do some dynamic breadcrumb trail stuff. I see some vague references to them when I search, but I don't see anything good. Anybody have any good links? thanks, steve - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
