Re: should I use struts
How complex is complex? Struts is here to solve complex problem unless the problem is so complex that struts cannot solve ;-) -Dan - Original Message - From: Hariharan [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, June 06, 2003 9:18 PM Subject: should I use struts Hello guys, I am new to struts, I have a small doubt should I consider srtuts for any complex j2ee projects.. or is there any major problem in using srtuts for complex j2ee based proj's bye - 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]
Define tag cannot set a null value' error
I need help with a Define tag cannot set a null value' error I get. I have a state and country that _is_ null, when the user first comes into this form for the first time. I do validate this when they submit the form, but I don't get that far. Can someone please help me with this? Here is the 2 relevant items from my registration.jsp: %@ taglib uri=/WEB-INF/statetag.tld prefix=states % %@ taglib uri=/WEB-INF/cntrtag.tld prefix=countries % bean:define id=state name=registrationForm property=state / bean:define id=country name=registrationForm property=country / . tr tdbean:message key=form.state//td td logic:present name=registrationForm property=state states:state name=state default='%= (String)state %' / /logic:present logic:notPresent name=registrationForm property=state states:state name=state / /logic:notPresent /td /tr tr tdbean:message key=form.country//td td logic:present name=registrationForm property=country countries:country name=country default='%= (String)country %' / /logic:present logic:notPresent name=registrationForm property=country countries:country name=country / /logic:notPresent /td /tr StackTrace: ServletException in:/WEB-INF/default/body/registration.jsp] Define tag cannot set a null value' javax.servlet.jsp.JspException: Define tag cannot set a null value at org.apache.struts.taglib.bean.DefineTag.doEndTag(DefineTag.java:272) at org.apache.jsp.registration$jsp._jspService(registration$jsp.java:93) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:201) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360) at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294) at org.mortbay.jetty.servlet.Dispatcher.dispatch(Dispatcher.java:192) at org.mortbay.jetty.servlet.Dispatcher.include(Dispatcher.java:121) at org.apache.struts.tiles.TilesUtilStrutsModulesImpl.doInclude(TilesUtilStrutsModulesImpl.java:122) at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:161) at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:702) at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:817) at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:466) at org.apache.jsp.default$jsp._jspService(default$jsp.java:321) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:201) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360) at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294) at org.mortbay.jetty.servlet.Dispatcher.dispatch(Dispatcher.java:192) at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:129) at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1058) at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:269) at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:249) at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:303) at org.apache.struts.action.RequestProcessor.processActionForward(RequestProcessor.java:401) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1420) at com.baselogic.yoursos.struts.ExtendedActionServlet.process(ExtendedActionServlet.java:40) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:520) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360) at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:342) at com.baselogic.yoursos.security.SecurityContextFilter.doFilter(SecurityContextFilter.java:102) at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334) at
[OT] DIR Structure for deploying my code on JBoss
I currenlty have my whole struts application in 2 jars and a war inside my ear. This is all done via ant. This is quite time consuming at times as it can take me as much as 15 minutes between compiles before I can test my code. So, I want to modify my ant so it will just deploy the sode itself, and not jar/war my files and LIB's. But, as I went strait for the EAR route when I started, I do not know the DIR struture I would add all the files to. I do know about my WEB-INF, WEB-INF/lib, WEB-INF/classes, but what about my EJB's, and my libs that are shared bewteen the EJB's and the struts stuff? --- Thanks... Mick Knutson --- _ Add photos to your messages with MSN 8. Get 2 months FREE*. http://join.msn.com/?page=features/featuredemail - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: should I use struts
On Sat, Jun 07,'03 (10:09 AM GMT-0400), Mark wrote: I would NEVER use srtuts for ANY project... You only use Flash:) -- Rick - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: should I use struts
and LISP! -Original Message- From: Rick Reumann [mailto:[EMAIL PROTECTED] Sent: Saturday, June 07, 2003 10:29 AM To: [EMAIL PROTECTED] Subject: Re: should I use struts On Sat, Jun 07,'03 (10:09 AM GMT-0400), Mark wrote: I would NEVER use srtuts for ANY project... You only use Flash:) -- Rick - 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: redirect users after x-minutes?
I'm not sure I understand - but I think this may be more of a 'limitation' with HTML rather than particularly with tiles. A page composed of tiles is still just 1 complete HTML page. If you want to redirect any part of it I think you will need to consider using frames or iframes that has its own 'src' property that can be set. H. -Original Message- From: Mick Knutson [mailto:[EMAIL PROTECTED] Sent: 07 June 2003 05:59 To: [EMAIL PROTECTED] Subject: redirect users after x-minutes? How do I add a redirect, in a single tile instead of the layout? I have several different body tiles, and I want to add a redirect there in some of them. But it will then effect the whole page. --- Thanks... Mick Knutson --- _ Add photos to your messages with MSN 8. Get 2 months FREE*. http://join.msn.com/?page=features/featuredemail - 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: 6.0.487 / Virus Database: 286 - Release Date: 01/06/2003 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.487 / Virus Database: 286 - Release Date: 01/06/2003 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: newbiew Q: how to do redirect instead of forward
Here is one example of a back button solution I plan to implment. http://www.robertpenner.com/experiments/backbutton/backbutton_code.html Try it. .V Craig R. McClanahan wrote: On Fri, 6 Jun 2003, Steve Raeburn wrote: Date: Fri, 6 Jun 2003 22:32:04 -0700 From: Steve Raeburn [EMAIL PROTECTED] Reply-To: Struts Users Mailing List [EMAIL PROTECTED], [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Subject: RE: newbiew Q: how to do redirect instead of forward -Original Message- From: Craig R. McClanahan [mailto:[EMAIL PROTECTED] I've also been known to create web applications that open the app in a new window without these things -- it doesn't stop the advanced user who knows the keyboard shortcuts from trying to screw things up, but it sure cuts down on the unsophisticated users who think a web application is supposed to be browsable the same way that a web site is :-). G! Craig, *you're* the one who's been doing that to me all this time. I hope you don't try to stop users viewing the page source by disabling the right mouse click. ;-) Show me the back button on an app built with Swing, or even with something like MFC, and I will relent :-). If users complain that they need the back button, that's a pretty good clue that you have not defined enough useful navigation controls inside your application window. But that's a usability issue, not a technological issue. Steve Craig -- Vic Cekvenich, Struts Instructor, 1-800-917-JAVA Advanced a href =baseBeans.comStruts Training/a and project recovery in North East. Open Source a href =baseBeans.comContent Management/a basicPortal sofware Best practicea href =baseBeans.comStruts Support/a v.1.1 helper ScafflodingXPress
Direct access problem
When a user directly access to a JSP page which belongs to a Struts module, module switching is not processed and Struts links (html:link) in that page do not work correctly because action path specified in an action or forward attribute of html:link tag is module relative. How do you deal with this problem? -- otsuka - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: adding / creating new collection elements in a form
Perhaps I was not making myself clear when I first posted this. I know how to write the javascript, I know how to use struts nested/logic tags. What I was looking for when I posted was a solution whereby I could add new elements to a collection in a form. Not update existing elements, thus increasing the size of a collection based on properties from fields that were added by client side scripting. I've not been able to find a solution to this within the mailing list. But I would like to the following. I have a page with a collection of fields which are populated by a form (via it's collection). I also have a button which would allow the addition of a new row. (hopefully) Name Descrip [ xy ][ foo ] [ ab ][ bar ] Add (1) I would like to have the add button add a new pair of text input fields each time it is clicked. (2) I would like it if clicking add did not make a request to the server this being the case it suggests some kind of client side javascript adding the new fields. The problems of course with this are the following. (1) client side code won't be able to utilise the struts tags and as such I won't know what values to set the appropriate input text element attributes to. (2) It is highly likely that even if I solved problem (1) that it would result in a IndexOutOfBounds exception, or just not bother with the properties from the new fields. Has anyone else solved this? Does struts have a mechanism for dealing with this? I'm fully aware of nested/logic tags but if they are the way I can't see how. Suggestions would be appreciated, Thanks! Rob - 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: Problem Statement for some standard e-Biz requirements
Hi,
I have been posting my problem and work through for the past 5 days and not
even a single mail stating
this is good or bad. so I am again banging with my implemented code.
This is just a positive approach to improve struts in a more comprehensive
framework. I haven't done much in this code,
it follows a standard approach as like ActionServlet..
Files: explanation
ActionHook Standard Interface to trigger Hooked methods
ActionHookMapping similar tool like ActionMapping
ActionHookServlet Child class for ActionServlet which does
hooking to a doPost and doGet
ServiceThread If the hook needs to be implemented in threaded
environment
hook-struts-config.xml configuration XML for action Hooks
ChannelHook WebTrendsHook These are just a sample implementation tested
class for this rule.
Note:
==
Some of the behaviors can be implemented through tags also. But my
idea is not that.
The Subjective Goal is Doing an asynchronous job for a defined request.
Let me know if there is any problem in that.
Things to be done.
=
1. Authentication --can be used a standard authentication
2. Parameter passing through the hook-struts-config.xml and usuage
3. Implement more comprehensive ServiceThread Class rather than
ordinary thread reaper class
4. Implement rich Cache behviour to this.
Dis-Advantage:
=
1. Depends upon the context and usauge Thread Hook might give some
problem
Please find the war file for further testing ( This was tested under resin
environment ).
Hope Ted , criag or other senior person in apache foundation spend some time
to replay this mail
both positive or negative.
if it is negative i can stop my spaming and
if it is positive think about further.
Still waiting for the
replay..
Tnx and Regards
sadhas
-Original Message-
From: J, Sadhasivam (Cognizant)
Sent: Friday, June 06, 2003 7:09 PM
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: Problem Statement for some standard e-Biz requirmentsf
Hi,
Problem Statement
=
As per my understanding towards the struts that it doesn't have the
Trigger kind of mechanism to solve
some of the typical e-Biz scnerios or standard requirments for example
1. Log all the URIs with some custom format and give to some other
serivces
This has to happen irrespective of regular flow.
2. Standard channel behaviour in portal. Like Yahoo shows weather/ads
etc to a User or User group. etc.
Such kind of requirement is very common and not been taken in struts i
belive.
I have come up with an approach to cater these problems.
I did a proof of concept also and i would like to know is its really a
good approach
or is there any othere standard way to implement this in Struts.
Hope apache/open source foundation people spent some time to give me
an indication whether this approach is correct or not.
Approach Taken
==
Shall call this phenomenon as Hooking
Step 0: Write a Standard Interface to perform this Hooking
==
public interface ActionHook
{
public void prePerform( HttpServletRequest request );
}
Step 1: addition of XML Nodes in struts-config.xml
==
Justification
=
Since these problems are pertainting to the problem space and
it should be configured at the runtime to pick up these data.
struts-config.xml
action-hooks
action-hook name=org.apache.hook.ActionHook
servlet=action/
action-hook name=org.apache.hook.ChannelHook
servlet=action/
/action-hooks
Step 2: Load ActionHook Object through digester.
==
Justification
=
Configured classes are loaded by HookRuleBase and HookRule
classes as a standard way from apache.
Step 3: Changes in the
Problem Statement for some standard e-Biz requirements
Hi,
I have been posting my problem and work through for the past 5 days and not
even a single mail stating
this is good or bad. so I am again banging with my implemented code.
This is just a positive approach to improve struts in a more comprehensive
framework. I haven't done much in this code,
it follows a standard approach as like ActionServlet..
Files: explanation
ActionHook Standard Interface to trigger Hooked methods
ActionHookMapping similar tool like ActionMapping
ActionHookServlet Child class for ActionServlet which does
hooking to a doPost and doGet
ServiceThread If the hook needs to be implemented in threaded
environment
hook-struts-config.xml configuration XML for action Hooks
ChannelHook WebTrendsHook These are just a sample implementation tested
class for this rule.
Note:
==
Some of the behaviors can be implemented through tags also. But my
idea is not that.
The Subjective Goal is Doing an asynchronous job for a defined request.
Let me know if there is any problem in that.
Things to be done.
=
1. Authentication --can be used a standard authentication
2. Parameter passing through the hook-struts-config.xml and usuage
3. Implement more comprehensive ServiceThread Class rather than
ordinary thread reaper class
4. Implement rich Cache behviour to this.
Dis-Advantage:
=
1. Depends upon the context and usauge Thread Hook might give some
problem
Please find the war file for further testing ( This was tested under resin
environment ).
Hope Ted , criag or other senior person in apache foundation spend some time
to replay this mail
both positive or negative.
if it is negative i can stop my spaming and
if it is positive think about further.
Still waiting for the
replay..
Tnx and Regards
sadhas
-Original Message-
From: J, Sadhasivam (Cognizant)
Sent: Friday, June 06, 2003 7:09 PM
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: Problem Statement for some standard e-Biz requirmentsf
Hi,
Problem Statement
=
As per my understanding towards the struts that it doesn't have the
Trigger kind of mechanism to solve
some of the typical e-Biz scnerios or standard requirments for example
1. Log all the URIs with some custom format and give to some other
serivces
This has to happen irrespective of regular flow.
2. Standard channel behaviour in portal. Like Yahoo shows weather/ads
etc to a User or User group. etc.
Such kind of requirement is very common and not been taken in struts i
belive.
I have come up with an approach to cater these problems.
I did a proof of concept also and i would like to know is its really a
good approach
or is there any othere standard way to implement this in Struts.
Hope apache/open source foundation people spent some time to give me
an indication whether this approach is correct or not.
Approach Taken
==
Shall call this phenomenon as Hooking
Step 0: Write a Standard Interface to perform this Hooking
==
public interface ActionHook
{
public void prePerform( HttpServletRequest request );
}
Step 1: addition of XML Nodes in struts-config.xml
==
Justification
=
Since these problems are pertainting to the problem space and
it should be configured at the runtime to pick up these data.
struts-config.xml
action-hooks
action-hook name=org.apache.hook.ActionHook
servlet=action/
action-hook name=org.apache.hook.ChannelHook
servlet=action/
/action-hooks
Step 2: Load ActionHook Object through digester.
==
Justification
=
Configured classes are loaded by HookRuleBase and HookRule
classes as a standard way from apache.
Step 3: Changes in the
Re: adding / creating new collection elements in a form
I just implemented myself, so let me throw a shot at this.
In my case, I make my action derived from LookupDispatchAction
which can handle multiple button submission handlers.
One of the button is called something like addRow. When you hit this
addRow button, struts will repopolate what ever on your screen and dispatch
it
to your addRow handler where you can add new empty row to your collection
and forward back to your screen.
regarding your out of index problem, I would suggest to use common
Collection
ListUtils.lazyList. Here is an example a lazy collection in a my form
private List gradeViews = ListUtils.lazyList(new ArrayList(), new
GenericFactory(org.glvnsjc.view.StudentGradeView));
//there is no direct setXXX, call getXXX first and populate the object
// lazy list takes care all dynamic allocation
public StudentGradeView getGradeView(int index) {return
(StudentGradeView) gradeViews.get(index); }
public void removeAllGradeView() { this.gradeViews.clear(); }
public List getGradeViews() { return this.gradeViews;}
Please look up GenericFactory in the maling list, I dont want to repost it
If you dont know LookupDispatchAction yet, learn it. It has the magic that
I cant live without
Good luck!!!
-Dan
- Original Message -
From: Rob [EMAIL PROTECTED]
To: Struts Users Mailing List [EMAIL PROTECTED]
Sent: Saturday, June 07, 2003 8:55 AM
Subject: Re: adding / creating new collection elements in a form
Perhaps I was not making myself clear when I first posted this.
I know how to write the javascript, I know how to use struts
nested/logic tags. What I was looking for when I posted was
a solution whereby I could add new elements to a collection
in a form. Not update existing elements, thus increasing the
size of a collection based on properties from fields that
were added by client side scripting.
I've not been able to find a solution to this within the mailing
list. But I would like to the following.
I have a page with a collection of fields which are populated by
a form (via it's collection). I also have a button which would
allow the addition of a new row. (hopefully)
Name Descrip
[ xy ][ foo ]
[ ab ][ bar ]
Add
(1) I would like to have the add button add a new pair of text
input fields each time it is clicked. (2) I would like it if
clicking add did not make a request to the server this being the
case it suggests some kind of client side javascript adding the
new fields.
The problems of course with this are the following.
(1) client side code won't be able to utilise the struts tags
and as such I won't know what values to set the appropriate
input text element attributes to.
(2) It is highly likely that even if I solved problem (1) that
it would result in a IndexOutOfBounds exception, or just not
bother with the properties from the new fields.
Has anyone else solved this? Does struts have a mechanism for
dealing with this? I'm fully aware of nested/logic tags but
if they are the way I can't see how.
Suggestions would be appreciated, Thanks!
Rob
-
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Re: Subclassing ActionServlet
Kevin,
Thanks for replying. I made doubly sure that I called super.init(config) in
the init method (I read the Servlets book by Jason Hunter three years ago
and he beat it into me like a mantra). I will check my code to make sure I
have not introduced any subtle bugs since I subclassed ActionServlet.
Regards
Jim.
- Original Message -
From: Kevin Robair [EMAIL PROTECTED]
To: Struts Users Mailing List [EMAIL PROTECTED]
Sent: Friday, June 06, 2003 2:31 PM
Subject: Re: Subclassing ActionServlet
I just did the same thing, but had no problems. Here
is what I did:
public class ExtendedActionServlet extends
org.apache.struts.action.ActionServlet
{
/** Initializes the servlet.
*/
public void init(ServletConfig config) throws
ServletException
{
super.init(config);
App224DataManager.setContextBeans(config.getServletContext());
}
}
Make sure you call super.init(config) , I bet that is
your problem.
-Kevin
--- Jim Collins [EMAIL PROTECTED]
wrote:
Hi,
I have just modified an application where I now
subclass ActionServlet. The
problem is my JSP's that use resources now throws an
exception about not
being able to find the key. Are there any issues
with subclassing
ActionServlet that I should be aware of.
Thanks
Jim.
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Re: How Smart is DynaActionForm?
If you take an example of a traditional action form, the same would happen with that. If you've populated the form in the referring action then you should have an insight into how action forms and actions work together. The form bean should always be there, but know it won't self populate just like a standard action form. You can scope the form to session or repopulate as part of the action invoked via the form submission. cheers mark On Thursday, Jun 5, 2003, at 07:35 Europe/London, Dan Tran wrote: hmm, I thought the topic was designed to catch attention ;) -D - Original Message - From: Dan Tran [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Wednesday, June 04, 2003 2:40 PM Subject: How Smart is DynaActionForm? Hello, I have an ArrayList as a element of an DyanActionForm. The list contains elements of another bean that has properties as strings. I can populate the DynaActionForm in my action and have the JSP to display it . The question here is does DynaActionForm has the intelligent to reconstruct itself after the form is submited back to the server? I tried but the ArrayList always come back emtpy.. Any suggestion? -Dan - 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: newbiew Q: how to do redirect instead of forward
hey man, discuss this real-time at irc.darkmyst.org 6667! If you need a client, get it at www.mirc.com. mark -Original Message- From: Vic Cekvenich [mailto:[EMAIL PROTECTED] Sent: Saturday, June 07, 2003 10:46 AM To: [EMAIL PROTECTED] Subject: Re: newbiew Q: how to do redirect instead of forward Here is one example of a back button solution I plan to implment. http://www.robertpenner.com/experiments/backbutton/backbutton_code.html Try it. .V Craig R. McClanahan wrote: On Fri, 6 Jun 2003, Steve Raeburn wrote: Date: Fri, 6 Jun 2003 22:32:04 -0700 From: Steve Raeburn [EMAIL PROTECTED] Reply-To: Struts Users Mailing List [EMAIL PROTECTED], [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Subject: RE: newbiew Q: how to do redirect instead of forward -Original Message- From: Craig R. McClanahan [mailto:[EMAIL PROTECTED] I've also been known to create web applications that open the app in a new window without these things -- it doesn't stop the advanced user who knows the keyboard shortcuts from trying to screw things up, but it sure cuts down on the unsophisticated users who think a web application is supposed to be browsable the same way that a web site is :-). G! Craig, *you're* the one who's been doing that to me all this time. I hope you don't try to stop users viewing the page source by disabling the right mouse click. ;-) Show me the back button on an app built with Swing, or even with something like MFC, and I will relent :-). If users complain that they need the back button, that's a pretty good clue that you have not defined enough useful navigation controls inside your application window. But that's a usability issue, not a technological issue. Steve Craig -- Vic Cekvenich, Struts Instructor, 1-800-917-JAVA Advanced a href =baseBeans.comStruts Training/a and project recovery in North East. Open Source a href =baseBeans.comContent Management/a basicPortal sofware Best practicea href =baseBeans.comStruts Support/a v.1.1 helper ScafflodingXPress - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Newbie Q: Cannot load JDBC driver class using Datasource Connection
Am I missing something here? Tomcat keeps on giving me the following exception about my JDBC connection driver not being loaded when I try to establish a datasource connection to a mysql database in struts : Initializing application data source org.apache.struts.action.DATA_SOURCE java.sql.SQLException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:529) at org.apache.commons.dbcp.BasicDataSource.setLogWriter(BasicDataSource.java:381) at org.apache.struts.action.ActionServlet.initApplicationDataSources(ActionServlet.java:942) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:457) at javax.servlet.GenericServlet.init(GenericServlet.java:256) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:934) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:821) 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.start(ContainerBase.java:1188) 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:2189) 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(DelegatingMethodAcc essorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203) My struts-config.xml looks like this : struts-config !--- other parameters -- !--- other parameters -- !-- == Data Source Configuration === -- data-sources data-source type=org.apache.commons.dbcp.BasicDataSource set-property property=autoCommit value=false/ set-property property=description value=MyProject Database Datasource Connection/ set-property property=driverClassName value=com.mysql.jdbc.Driver/ set-property property=maxCount value=4/ set-property property=minCount value=2/ set-property property=password value=myPassword/ set-property property=url value=jdbc:mysql://localhost:3306/Mydatabase/ set-property property=user value=root/ /data-source /data-sources !--- other parameters -- !--- other parameters -- /struts-config Info: This driver , com.mysql.jdbc.Driver, does establish connection to this same database with no exception when I use it in a normal java class. Can someone tell me or atleast point me to where I can find further help/information. I could not find anything at http://jakarta.apache.org/struts/faqs/database.html and also in this list's archives. Thanks, robert
Re: How Smart is DynaActionForm?
Hi Mark, thanks for reply. I knew it is a popular topic but at the time, I was not able to think of good search key for looking into the archive. Until I tumbled on a old post regarding lazyList. and the answer is there just like you have explained ;-) I hope Struts 1.2 will incorporate the patch submit by Goodwin to solve this scenario since I know lots of people have to create their own form bean to handle dynamic collection. Thanks and thanks ;-) -Dan - Original Message - From: Mark Lowe [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Saturday, June 07, 2003 10:52 AM Subject: Re: How Smart is DynaActionForm? If you take an example of a traditional action form, the same would happen with that. If you've populated the form in the referring action then you should have an insight into how action forms and actions work together. The form bean should always be there, but know it won't self populate just like a standard action form. You can scope the form to session or repopulate as part of the action invoked via the form submission. cheers mark On Thursday, Jun 5, 2003, at 07:35 Europe/London, Dan Tran wrote: hmm, I thought the topic was designed to catch attention ;) -D - Original Message - From: Dan Tran [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Wednesday, June 04, 2003 2:40 PM Subject: How Smart is DynaActionForm? Hello, I have an ArrayList as a element of an DyanActionForm. The list contains elements of another bean that has properties as strings. I can populate the DynaActionForm in my action and have the JSP to display it . The question here is does DynaActionForm has the intelligent to reconstruct itself after the form is submited back to the server? I tried but the ArrayList always come back emtpy.. Any suggestion? -Dan - 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: Newbie Q: Cannot load JDBC driver class using Datasource Connection
do you have your jdbc driver in your classpath? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Saturday, June 07, 2003 1:59 PM To: [EMAIL PROTECTED] Subject: Newbie Q: Cannot load JDBC driver class using Datasource Connection Am I missing something here? Tomcat keeps on giving me the following exception about my JDBC connection driver not being loaded when I try to establish a datasource connection to a mysql database in struts : Initializing application data source org.apache.struts.action.DATA_SOURCE java.sql.SQLException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' 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.initApplicationDataSources(ActionServ let.java:942) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:457) at javax.servlet.GenericServlet.init(GenericServlet.java:256) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:93 4) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:821) 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.start(ContainerBase.java:1188) 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:2189) 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(DelegatingMethodAcc essorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203) My struts-config.xml looks like this : struts-config !--- other parameters -- !--- other parameters -- !-- == Data Source Configuration === -- data-sources data-source type=org.apache.commons.dbcp.BasicDataSource set-property property=autoCommit value=false/ set-property property=description value=MyProject Database Datasource Connection/ set-property property=driverClassName value=com.mysql.jdbc.Driver/ set-property property=maxCount value=4/ set-property property=minCount value=2/ set-property property=password value=myPassword/ set-property property=url value=jdbc:mysql://localhost:3306/Mydatabase/ set-property property=user value=root/ /data-source /data-sources !--- other parameters -- !--- other parameters -- /struts-config Info: This driver , com.mysql.jdbc.Driver, does establish connection to this same database with no exception when I use it in a normal java class. Can someone tell me or atleast point me to where I can find further help/information. I could not find anything at http://jakarta.apache.org/struts/faqs/database.html and also in this list's archives. Thanks, robert - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
how to submit Unicode text in Struts/JSP?
hi,
I'm trying to submit Unicode encoded to a search engine through a web client
developed is Struts.
Each JSP page of the Web client sets the page encoding using the following
HTML statement:
meta http-equiv=Content-Type content=text/html; charset=utf-8
After the submission, in the Action servlet, I compare the request with what
I would expect to receive as a submission:
It goes like this:
String request2 = new String(\u017Eivot);
if (request2.equals(_request)){
System.out.println(request OK);
}
They are not the same and I don't know why. When request2 is submitted
directly to the search engine there is result received back.
How to submit successfully Unicode text to the server?
I'm using
J2SE 1.4.1
JBoss 3.0.4
Tomcat 4.1.x
thanks,
dimitar
-
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
Re: Newbie Q: Cannot load JDBC driver class using Datasource Connection
I would put the JAR files of the JDBC driver in the lib folder of the application. It works in my case. dimitar - Original Message - From: Mark Galbreath [EMAIL PROTECTED] To: 'Struts Users Mailing List' [EMAIL PROTECTED] Sent: Saturday, June 07, 2003 2:03 PM Subject: RE: Newbie Q: Cannot load JDBC driver class using Datasource Connection do you have your jdbc driver in your classpath? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Saturday, June 07, 2003 1:59 PM To: [EMAIL PROTECTED] Subject: Newbie Q: Cannot load JDBC driver class using Datasource Connection Am I missing something here? Tomcat keeps on giving me the following exception about my JDBC connection driver not being loaded when I try to establish a datasource connection to a mysql database in struts : Initializing application data source org.apache.struts.action.DATA_SOURCE java.sql.SQLException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' 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.initApplicationDataSources(ActionServ let.java:942) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:457) at javax.servlet.GenericServlet.init(GenericServlet.java:256) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:93 4) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:821) 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.start(ContainerBase.java:1188) 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:2189) 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(DelegatingMethodAcc essorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203) My struts-config.xml looks like this : struts-config !--- other parameters -- !--- other parameters -- !-- == Data Source Configuration === -- data-sources data-source type=org.apache.commons.dbcp.BasicDataSource set-property property=autoCommit value=false/ set-property property=description value=MyProject Database Datasource Connection/ set-property property=driverClassName value=com.mysql.jdbc.Driver/ set-property property=maxCount value=4/ set-property property=minCount value=2/ set-property property=password value=myPassword/ set-property property=url value=jdbc:mysql://localhost:3306/Mydatabase/ set-property property=user value=root/ /data-source /data-sources !--- other parameters -- !--- other parameters -- /struts-config Info: This driver , com.mysql.jdbc.Driver, does establish connection to this same database with no exception when I use it in a normal java class. Can someone tell me or atleast point me to where I can find further help/information. I could not find anything at http://jakarta.apache.org/struts/faqs/database.html and also in this list's archives. Thanks, robert - 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: How Smart is DynaActionForm?
I'm still not beard-sporting on these types of issues... but... wouldn't that start to cloud the demarcation between model and controller? On Saturday, Jun 7, 2003, at 19:02 Europe/London, Dan Tran wrote: Hi Mark, thanks for reply. I knew it is a popular topic but at the time, I was not able to think of good search key for looking into the archive. Until I tumbled on a old post regarding lazyList. and the answer is there just like you have explained ;-) I hope Struts 1.2 will incorporate the patch submit by Goodwin to solve this scenario since I know lots of people have to create their own form bean to handle dynamic collection. Thanks and thanks ;-) -Dan - Original Message - From: Mark Lowe [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Saturday, June 07, 2003 10:52 AM Subject: Re: How Smart is DynaActionForm? If you take an example of a traditional action form, the same would happen with that. If you've populated the form in the referring action then you should have an insight into how action forms and actions work together. The form bean should always be there, but know it won't self populate just like a standard action form. You can scope the form to session or repopulate as part of the action invoked via the form submission. cheers mark On Thursday, Jun 5, 2003, at 07:35 Europe/London, Dan Tran wrote: hmm, I thought the topic was designed to catch attention ;) -D - Original Message - From: Dan Tran [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Wednesday, June 04, 2003 2:40 PM Subject: How Smart is DynaActionForm? Hello, I have an ArrayList as a element of an DyanActionForm. The list contains elements of another bean that has properties as strings. I can populate the DynaActionForm in my action and have the JSP to display it . The question here is does DynaActionForm has the intelligent to reconstruct itself after the form is submited back to the server? I tried but the ArrayList always come back emtpy.. Any suggestion? -Dan - 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]
Re: How to access methods define in Action Form
If you've mapped you form bean to an associated action then the form will be in an available scope in your jsp page.. You dont need the useBean tag. You just need to make sure you've a form bean (dyna or otherwise) an action servlet, and that they be mapped in stuts-config.xml. cheers mark On Friday, Jun 6, 2003, at 14:42 Europe/London, Sashi Ravipati wrote: I am newbie so bear with my questions.. How can I access the set and get methods in the JSP page. if i use jsp:Usebean the values are returned as null. Thanks - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: How Smart is DynaActionForm?
Mark, I think Brandon Goodin proposed a batch to enhance DyanActionForm to automaticly pupolating dyanamic list with a known element type It has nothting to do controller and model. Just an enhancement to the tool. Am I wrong? -Dan - Original Message - From: Mark Lowe [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Saturday, June 07, 2003 11:28 AM Subject: Re: How Smart is DynaActionForm? I'm still not beard-sporting on these types of issues... but... wouldn't that start to cloud the demarcation between model and controller? On Saturday, Jun 7, 2003, at 19:02 Europe/London, Dan Tran wrote: Hi Mark, thanks for reply. I knew it is a popular topic but at the time, I was not able to think of good search key for looking into the archive. Until I tumbled on a old post regarding lazyList. and the answer is there just like you have explained ;-) I hope Struts 1.2 will incorporate the patch submit by Goodwin to solve this scenario since I know lots of people have to create their own form bean to handle dynamic collection. Thanks and thanks ;-) -Dan - Original Message - From: Mark Lowe [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Saturday, June 07, 2003 10:52 AM Subject: Re: How Smart is DynaActionForm? If you take an example of a traditional action form, the same would happen with that. If you've populated the form in the referring action then you should have an insight into how action forms and actions work together. The form bean should always be there, but know it won't self populate just like a standard action form. You can scope the form to session or repopulate as part of the action invoked via the form submission. cheers mark On Thursday, Jun 5, 2003, at 07:35 Europe/London, Dan Tran wrote: hmm, I thought the topic was designed to catch attention ;) -D - Original Message - From: Dan Tran [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Wednesday, June 04, 2003 2:40 PM Subject: How Smart is DynaActionForm? Hello, I have an ArrayList as a element of an DyanActionForm. The list contains elements of another bean that has properties as strings. I can populate the DynaActionForm in my action and have the JSP to display it . The question here is does DynaActionForm has the intelligent to reconstruct itself after the form is submited back to the server? I tried but the ArrayList always come back emtpy.. Any suggestion? -Dan - 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] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: how to submit Unicode text in Struts/JSP?
http://www.anassina.com/struts/i18n/i18n.html
I heard Struts 1.2 may incorporate this in the future.
-Dan
- Original Message -
From: Dimitar Georgievski [EMAIL PROTECTED]
To: Struts Users Mailing List [EMAIL PROTECTED]
Sent: Saturday, June 07, 2003 11:41 AM
Subject: how to submit Unicode text in Struts/JSP?
hi,
I'm trying to submit Unicode encoded to a search engine through a web
client
developed is Struts.
Each JSP page of the Web client sets the page encoding using the following
HTML statement:
meta http-equiv=Content-Type content=text/html; charset=utf-8
After the submission, in the Action servlet, I compare the request with
what
I would expect to receive as a submission:
It goes like this:
String request2 = new String(\u017Eivot);
if (request2.equals(_request)){
System.out.println(request OK);
}
They are not the same and I don't know why. When request2 is submitted
directly to the search engine there is result received back.
How to submit successfully Unicode text to the server?
I'm using
J2SE 1.4.1
JBoss 3.0.4
Tomcat 4.1.x
thanks,
dimitar
-
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: Newbie Q: Cannot load JDBC driver class using Datasource Connection
Yes, I have my JDBC driver both in my application's as well as in Tomcat's classpaths
RE: Newbie Q: Cannot load JDBC driver class using Datasource Connection
If you have it in the $TOMCAT_HOME/common/lib, then remove it from you web-app. It is redundant. Also, are you using the Struts Datasource config or Tomcat JNDI? Brandon Goodin -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Saturday, June 07, 2003 12:57 PM To: [EMAIL PROTECTED] Subject: Re: Newbie Q: Cannot load JDBC driver class using Datasource Connection Yes, I have my JDBC driver both in my application's as well as in Tomcat's classpaths - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Newbie Q: Cannot load JDBC driver class using Datasource Connection
Thanks Brandon , Dimitar, Mark It's working now : After putting the JDBC driver jar in $TOMCAT_HOME/common/lib and referencing it in Tomcat's classpath, it's working!
Re: how to submit Unicode text in Struts/JSP?
Dan,
that solved the problem. I wasn't aware the application needs a filter to
set the content type.
thanks a lot,
dimitar
- Original Message -
From: Dan Tran [EMAIL PROTECTED]
To: Struts Users Mailing List [EMAIL PROTECTED]
Sent: Saturday, June 07, 2003 2:45 PM
Subject: Re: how to submit Unicode text in Struts/JSP?
http://www.anassina.com/struts/i18n/i18n.html
I heard Struts 1.2 may incorporate this in the future.
-Dan
- Original Message -
From: Dimitar Georgievski [EMAIL PROTECTED]
To: Struts Users Mailing List [EMAIL PROTECTED]
Sent: Saturday, June 07, 2003 11:41 AM
Subject: how to submit Unicode text in Struts/JSP?
hi,
I'm trying to submit Unicode encoded to a search engine through a web
client
developed is Struts.
Each JSP page of the Web client sets the page encoding using the
following
HTML statement:
meta http-equiv=Content-Type content=text/html; charset=utf-8
After the submission, in the Action servlet, I compare the request with
what
I would expect to receive as a submission:
It goes like this:
String request2 = new String(\u017Eivot);
if (request2.equals(_request)){
System.out.println(request OK);
}
They are not the same and I don't know why. When request2 is submitted
directly to the search engine there is result received back.
How to submit successfully Unicode text to the server?
I'm using
J2SE 1.4.1
JBoss 3.0.4
Tomcat 4.1.x
thanks,
dimitar
-
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]
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Re: How Smart is DynaActionForm?
Dan Lets find out... I suppose having some way of mapping a bean to form property in struts xml could be handy. Although I start getting confused when i think of this in terms of non dyna action forms... Populating the ArrayList in the form bean I believe could compromise MVC, at least as struts implements it (feedback on this stuff would be appreciated from any beard-sporters).. But the idea of mapping stuff to a form property in the form-property.. tag and thus moving it out of the html:select or options tags in the jsp page does have an appeal. Could be like the controlerClass or Url attributes in tiles. I'll go read the proposal and think a little more... Mark On Saturday, Jun 7, 2003, at 19:43 Europe/London, Dan Tran wrote: Mark, I think Brandon Goodin proposed a batch to enhance DyanActionForm to automaticly pupolating dyanamic list with a known element type It has nothting to do controller and model. Just an enhancement to the tool. Am I wrong? -Dan - Original Message - From: Mark Lowe [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Saturday, June 07, 2003 11:28 AM Subject: Re: How Smart is DynaActionForm? I'm still not beard-sporting on these types of issues... but... wouldn't that start to cloud the demarcation between model and controller? On Saturday, Jun 7, 2003, at 19:02 Europe/London, Dan Tran wrote: Hi Mark, thanks for reply. I knew it is a popular topic but at the time, I was not able to think of good search key for looking into the archive. Until I tumbled on a old post regarding lazyList. and the answer is there just like you have explained ;-) I hope Struts 1.2 will incorporate the patch submit by Goodwin to solve this scenario since I know lots of people have to create their own form bean to handle dynamic collection. Thanks and thanks ;-) -Dan - Original Message - From: Mark Lowe [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Saturday, June 07, 2003 10:52 AM Subject: Re: How Smart is DynaActionForm? If you take an example of a traditional action form, the same would happen with that. If you've populated the form in the referring action then you should have an insight into how action forms and actions work together. The form bean should always be there, but know it won't self populate just like a standard action form. You can scope the form to session or repopulate as part of the action invoked via the form submission. cheers mark On Thursday, Jun 5, 2003, at 07:35 Europe/London, Dan Tran wrote: hmm, I thought the topic was designed to catch attention ;) -D - Original Message - From: Dan Tran [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Sent: Wednesday, June 04, 2003 2:40 PM Subject: How Smart is DynaActionForm? Hello, I have an ArrayList as a element of an DyanActionForm. The list contains elements of another bean that has properties as strings. I can populate the DynaActionForm in my action and have the JSP to display it . The question here is does DynaActionForm has the intelligent to reconstruct itself after the form is submited back to the server? I tried but the ArrayList always come back emtpy.. Any suggestion? -Dan --- -- 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] - 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: What's next for Struts?
Bill Johnson wrote: Ted, you're one of the better known Struts people right? What do you think of JSF? I need to ship things now, and JSF isn't final yet. I've strolled through the tutorial, and parts of it look interesting. But I'm not going to study it carefully until 1.0 ships. I'm also not a JSP tag guy, and so that part of the framework is irrelevant to me. Though, I'm thinking that any presentation system, including Velocity, should be able to hookup with them-there server-side UI objects. But, I'm leaving tomorrow's development for tomorrow =:) -Ted. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
html:form target attribute problem
I am using target attribute in html:form to display the results of a serachform in an inline frame html:form method=post action=/myAction target=myFrame In the validate method of the form bean I validate the search form. If the validate method has no actionerrors the results are displayed correctly in the result frame. That's fine. But the problem is if my validate method returns actionerrors, it is not displayed back on the parent page. Instead I get a error on the result frame saying Page not found. I think this is because the target of html:form attribute is redirecting the output to the target frame . How will I display any errors on the parent search page instead of getting 404 message on the target result frame? Thanks Swami - Do you Yahoo!? Free online calendar with sync to Outlook(TM).
JSP, Java and constant values best practise question
Hello all,
Suppose an action.execute method adds an Object to the
application cache
getServlet().getServletContext().setAttribute(...)
The key value should probably be specified as a
constant value to provide a level of indirection.
(Suppose constants are stored in a java interface, and
THE_KEY='objectKey'.) So, we'd have
setAttribute( IConstants.THE_KEY, someObject );
Now, in the jsp file, the forward from this action, a
bit of JSTL is written to dump someObject.toString().
Here's a bit of code that will work.
c:out value=${applicationScope.objectKey} /
Problem here is that THE_KEY is used in the Java
classes side, but the actual value is used on the jsp
side. If the constant changed, the controller has now
lost touch with the view.
I can't seem to figure out how to use
IConstants.THE_KEY in the jsp file too.
Another question might be, who cares about the
indirection. Why's 'THE_KEY' any better than
'objectKey' anyway? And, it is unlikely that
constants will ever change, so there no great find and
replace effort from which to protect yourself. Once
you've done the integration testing, and it works,
done?
(Don't worry, I'm not wasting my employers time. I'm
unemployed right now.)
Thoughts? Thanks - gene
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How to specify the FormBean in an iterate tags name property?
How do I specify the FormBean in the iterate name property? I have DynaActionForm, with a List property (myList), I populate it in my Action with a bunch of beans that have a get setTag() method. This is in my html:form logic:iterate id=cols indexId=ctr name= html:checkbox name=cols property='%= myList[+ctr+].tag %' value=ON / /logic:iterate How do I specify the FormBean in the iterate name property? Or why else do I get this exception: java.lang.NullPointerException at java.util.Hashtable.get(Hashtable.java:326) at org.apache.jasper.runtime.PageContextImpl.findAttribute(PageContextImpl.java :302) at org.apache.struts.util.RequestUtils.lookup(RequestUtils.java:787) ... TIA -- Mike W - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Validator and Tiles
Hi, I've been through the mailing archive without success. I remember had being used the Validator succesfully in a past; then my web developer started to use javascript to perform the checks so we didn't put attention to Validator any more. Now I'm using tiles for my site and would like to use validator, as I am not a javascript expert. It seems to me that Validator and tiles have some difficulties working together; is that correct? It seems to me to have made all the setup correctly but when I submit the form, nothing happens. I've also read that someone else had the same problem with tiles + Validator working together. If this is not the case, could I proceede to post to the mailing list my code? Regards, Marco - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Validator and Tiles
I use Tiles and Validator together with no problems. You should never use Javascript as your sole form of validation, it's merely a convenience for the client. Did you subclass ValidatorForm? I've forgotten to do that once or twice and wondered why no validation was happening. David From: Marco Tedone [EMAIL PROTECTED] Reply-To: Struts Users Mailing List [EMAIL PROTECTED] To: Struts-user-list [EMAIL PROTECTED] Subject: Validator and Tiles Date: Sun, 8 Jun 2003 01:47:52 +0100 Hi, I've been through the mailing archive without success. I remember had being used the Validator succesfully in a past; then my web developer started to use javascript to perform the checks so we didn't put attention to Validator any more. Now I'm using tiles for my site and would like to use validator, as I am not a javascript expert. It seems to me that Validator and tiles have some difficulties working together; is that correct? It seems to me to have made all the setup correctly but when I submit the form, nothing happens. I've also read that someone else had the same problem with tiles + Validator working together. If this is not the case, could I proceede to post to the mailing list my code? Regards, Marco - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] _ Add photos to your e-mail with MSN 8. Get 2 months FREE*. http://join.msn.com/?page=features/featuredemail - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
