Re: logic:iterate and bean:write not showing when jstl c:out does

[Laurie Harper]

If the page is loading without errors but not rendering those tags, the 
most likely cause is missing taglib directives. Check the HTML source 
that gets generated to see if the tags are coming through as written in 
the JSP; if so, that's almost certainly what's wrong.


L.

Stephen Souness wrote:

Hi all,

I am using Struts 1.2.7, under Tomcat 5.0.25.

I have a JSP within my struts application which I ultimately want to 
have output some checkboxes (using html:multibox).


Other areas of my application use LabelValueBean with html:multibox 
and bean:write just fine.


However, this particular area of my application has a few differing 
requirements and is not behaving the way I had hoped.


The key difference is that this particular area of the application 
involves a FormBean which is shared across several pages, and is stored 
in session scope.


I think that the action is correct in adding the Form like so:

request.getSession().setAttribute(myForm, myForm);


The JSP which acts as the view for the action can display attributes 
from the form if I refer to them using JSTL tags, but if I refer to the 
same attributes through struts tags, e.g.


logic:iterate id=myLabelValueBean name=myForm 
property=myLabelValueBeans

bean:write name=myLabelValueBean property=label scope=session /
/logic:iterate

the page finishes loading and displays nothing at all.


I've seen behaviour like this in the past when a list is not being 
populated, but I am quite certain that this is not the case.


Does anyone have any advice on what else I should be looking out for? 
(Logging to enable? etc.)


This is the third project using Struts that I have worked on, so I hope 
this does not turn out to be a newbie issue :)



--
Stephen



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logic:iterate and bean:write not showing when jstl c:out does

[Stephen Souness]

Hi all,

I am using Struts 1.2.7, under Tomcat 5.0.25.

I have a JSP within my struts application which I ultimately want to 
have output some checkboxes (using html:multibox).


Other areas of my application use LabelValueBean with html:multibox 
and bean:write just fine.


However, this particular area of my application has a few differing 
requirements and is not behaving the way I had hoped.


The key difference is that this particular area of the application 
involves a FormBean which is shared across several pages, and is stored 
in session scope.


I think that the action is correct in adding the Form like so:

request.getSession().setAttribute(myForm, myForm);


The JSP which acts as the view for the action can display attributes 
from the form if I refer to them using JSTL tags, but if I refer to the 
same attributes through struts tags, e.g.


logic:iterate id=myLabelValueBean name=myForm 
property=myLabelValueBeans

bean:write name=myLabelValueBean property=label scope=session /
/logic:iterate

the page finishes loading and displays nothing at all.


I've seen behaviour like this in the past when a list is not being 
populated, but I am quite certain that this is not the case.


Does anyone have any advice on what else I should be looking out for? 
(Logging to enable? etc.)


This is the third project using Struts that I have worked on, so I hope 
this does not turn out to be a newbie issue :)



--
Stephen


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Re: How to write logic:iterate for the Collection of HashMap.

[Jurn Ho]

Hi Amol,

please see http://struts.apache.org/userGuide/struts-logic.html
especially the section on maps.

logic:iterate id=element name=myhashtable
Next element is bean:write name=element property=value/
with key bean:write name=element property=key/
/logic:iterate

Jurn

At 10:06 PM 18/08/2005, Amol Yadwadkar wrote:



Hello List,

I need to display the results stored in the Hashmap.

How can I achieve it by using logic:iterate  

I know the way to do it for List type data.

Can anyone help me in this ?

Thankx n regds,

Amol



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How to write logic:iterate for the Collection of HashMap.

[Amol Yadwadkar]

 

Hello List,

I need to display the results stored in the Hashmap.

How can I achieve it by using logic:iterate  

I know the way to do it for List type data.

Can anyone help me in this ?

Thankx n regds,

Amol

Re: accessing variables using logic:iterate

[Stéphane Zuckerman]

Dave wrote :
As a followup, you may want to consider switching to JSTL for 
straight-forward tasks such as this: where functionality is duplicated 
between the Struts tags and JSTL it's generally recommended to go the 
JSTL route. It's a trivial switch to make, and can be done mechanically 
in most cases.
I totally agree with this statement. In addition of being a way to get 
more genericity in the JSP, it is (IMO) quite more coherent. What I 
really dislike with struts tags is that attributes don't always mean the 
same thing from tag to tag, which is disturbing. I'm mainly thinking of 
the name and property, and .*Name attributes too.


--
Stéphane ZUCKERMAN

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[OT] Re: accessing variables using logic:iterate

[Dave Newton]

Stéphane Zuckerman wrote:

What I really dislike with struts tags is that attributes don't always 
mean the same thing from tag to tag, which is disturbing. I'm mainly 
thinking of the name and property, and .*Name attributes too.


Ah, I'm glad to hear I'm not the only one that is wogged by this.

*sigh*

Dave



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accessing variables using logic:iterate

[Jay Sheth]

Hi,
Currently I have a action class which does
session.setAttribute(recurringTaskSummary,v_recurringTaskSummary),
where v_recurringTaskSummary is a vector of type
SpRecurringTaskSummary which has certain variables such as
EmployeeName, EmployeeRef etc.

I am using logic:iterate as follows:
logic:iterate id = rtSummary name=recurringTaskSummary
bean:write name=rtSummary/
/logic:iterate

The output is name of objects. However I want to somehow access the
variables employeename, employeeref etc. How do I do that ?

Thanks,
Jay

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Re: accessing variables using logic:iterate

[Stéphane Zuckerman]

Hi Jay,

session.setAttribute(recurringTaskSummary,v_recurringTaskSummary),



SpRecurringTaskSummary [...] has certain variables such as
EmployeeName, EmployeeRef etc.

I am using logic:iterate as follows:
logic:iterate id = rtSummary name=recurringTaskSummary
bean:write name=rtSummary/
/logic:iterate

The output is name of objects. However I want to somehow access the
variables employeename, employeeref etc. How do I do that ?


Just do something like :

logic:iterate id=rtSummary name=recurringTaskSummary
bean:write name=rtSummary property=employeeName/
/logic:iterate

Don't forget to use the bean naming conventions, though.

--
Stéphane ZUCKERMAN

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Re: accessing variables using logic:iterate

[Dave Newton]

Stéphane Zuckerman wrote:


I am using logic:iterate as follows:
logic:iterate id = rtSummary name=recurringTaskSummary
bean:write name=rtSummary/
/logic:iterate

The output is name of objects. However I want to somehow access the
variables employeename, employeeref etc. How do I do that ?


logic:iterate id=rtSummary name=recurringTaskSummary
bean:write name=rtSummary property=employeeName/
/logic:iterate

Don't forget to use the bean naming conventions, though.

As a followup, you may want to consider switching to JSTL for 
straight-forward tasks such as this: where functionality is duplicated 
between the Struts tags and JSTL it's generally recommended to go the 
JSTL route. It's a trivial switch to make, and can be done mechanically 
in most cases.


Dave



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Re: accessing variables using logic:iterate

[Jay Sheth]

HI,
When i do :
logic:iterate id=rtSummary name=recurringTaskSummary
bean:write name=rtSummary property=employeeName/
/logic:iterate

it says not getter for employeeName in bean rtsummary. 
'recurringTaskSummary' is a vector and not a bean. 
I tried using the attribute type=SpRecurringTaskSummary but got the
same error.

I think I am missing the big picture or something basic in logic:iterate.

Thanks,

Jay


On 8/16/05, Stéphane Zuckerman [EMAIL PROTECTED] wrote:
 Hi Jay,
  session.setAttribute(recurringTaskSummary,v_recurringTaskSummary),
 
  SpRecurringTaskSummary [...] has certain variables such as
  EmployeeName, EmployeeRef etc.
 
  I am using logic:iterate as follows:
  logic:iterate id = rtSummary name=recurringTaskSummary
  bean:write name=rtSummary/
  /logic:iterate
 
  The output is name of objects. However I want to somehow access the
  variables employeename, employeeref etc. How do I do that ?
 
 Just do something like :
 
 logic:iterate id=rtSummary name=recurringTaskSummary
bean:write name=rtSummary property=employeeName/
 /logic:iterate
 
 Don't forget to use the bean naming conventions, though.
 
 --
 Stéphane ZUCKERMAN
 
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Re: accessing variables using logic:iterate

[Dave Newton]

Jay Sheth wrote:


HI,
When i do :
logic:iterate id=rtSummary name=recurringTaskSummary
   bean:write name=rtSummary property=employeeName/
/logic:iterate

it says not getter for employeeName in bean rtsummary. 
'recurringTaskSummary' is a vector and not a bean. 
I tried using the attribute type=SpRecurringTaskSummary but got the

same error.

I think I am missing the big picture or something basic in logic:iterate.
 

(1) The 'type' attribute expects a full classname, but that's probably 
not relevant here.
(2) What he was saying was that the Vector's objects must follow 
JavaBean naming conventions.


Dave



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Re: accessing variables using logic:iterate

[Jay Sheth]

Thanks a lot. Got it. As you said, the naming conventions were
followed, but I made a typo in the property attribute.

Sorry for the trouble.

Jay

On 8/16/05, Dave Newton [EMAIL PROTECTED] wrote:
 Jay Sheth wrote:
 
 HI,
 When i do :
 logic:iterate id=rtSummary name=recurringTaskSummary
 bean:write name=rtSummary property=employeeName/
 /logic:iterate
 
 it says not getter for employeeName in bean rtsummary.
 'recurringTaskSummary' is a vector and not a bean.
 I tried using the attribute type=SpRecurringTaskSummary but got the
 same error.
 
 I think I am missing the big picture or something basic in logic:iterate.
 
 
 (1) The 'type' attribute expects a full classname, but that's probably
 not relevant here.
 (2) What he was saying was that the Vector's objects must follow
 JavaBean naming conventions.
 
 Dave
 
 
 
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RE: logic:iterate tag and form beans

[Johnson, Kaerstin]

Ok, If I am understanding the question correctly, you should be
populating your array list in your bean with a objects of whatever
represents a table row (such as an employee object), this object should
have the attributes (name, id, address) you would like to render in the
columns. 

Each object in the array will wind up being a table row. 



-Original Message-
From: Brian Kremmin [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, August 02, 2005 11:02 AM
To: user@struts.apache.org
Subject: logic:iterate tag and form beans

Hello Everyone,

 

This is my first post.  I've been watching the list for a while now and
I've hit a dead end.  This is probably quite simple so any help would be
greatly appreciated.

 

I want to get some table data from a database and output it in table
form on a webpage.

 

I'm planning to use an ArrayList to store the data and use the
logic:iterate tag to expose the elements of the list... however, I'm
unsure of the proper structure of all these data objects.  I think I'm
using struts 1.1 if that makes a difference.

 

I'm assuming I'll create a form bean with an ArrayList as a property..
is this correct?  However, I'm unsure of what sort of objects to put
into the array list.  Do I create another form bean with properties for
each table column, populate a new bean for each row of table data, and
put each into the ArrayList?  Or should the objects in the Arraylist be
something other than a form bean?

 

I'm looking for the 'best' and 'proper practice as our standards group
is very picky.  Any ideas?

 

Thanks




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RE: logic:iterate tag and form beans

[BHansard]

Example:

DataBean:
public class EmployeeBean(){
private String name = null;
Private String dept = null;

... Getters and setters
}

FormBean:
public class EmployeeForm extends ActionForm{
private Collection employees = new ArrayList();
... Getters and Setters
}

ActionClass:

public ActionForward execute(final ActionMapping mapping,
 final ActionForm form,
 final HttpServletRequest request,
 final HttpServletResponse response) {
EmployeeForm empForm = (EmployeeForm) form;

//getEmployeesFromDatabase should return a collection of EmployeeBeans
empForm.setEmployees(getEmployeesFromDatabase());
return mapping.findForward(display);
}


JSP:
table
trthName/th
   thDept/th
html:form action=xyz method=post
logic:iterate id=emp name=EmployeeForm property=employees
trtdhtml:text property=name//td
   tdhtml:text property=dept//td
/tr
/logic:iterate
/html:form





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Re: logic:iterate tag and form beans

[Dave Newton]

Brian Kremmin wrote:


I'm planning to use an ArrayList to store the data and use the
logic:iterate tag to expose the elements of the list... however, I'm
unsure of the proper structure of all these data objects.  I think I'm
using struts 1.1 if that makes a difference.
 

1) I'd tend towards using JSTL rather than the Struts tags when the 
functionality is identical.


2) Put an ArrayList of JavaBeans into the appropriate scope (probably 
request?)


IOW, your ArrayList will contain a collection of JavaBeans with getters 
for each column you want exposed. Say you have a user represented by 
firstname, lastname, and ssn. So your bean would have getFirstname, 
getLastname, and getSsn methods.


In your Action you'd do something like:

request.setAttribute(users, userArrayList);

In your JSP you'd do something like (in JSTL; struts beans are quite 
similar):


table
 c:forEach items=${users} var=user
   tr
 tdc:out value=${user.firstname}/ c:out 
value=${user.lastname}//td

 tdc:out value=${user.ssn}//td
   /tr
 /c:forEach
/table

or whatever.

Again, the hour or two of investment in learning JSTL is worth it for 
tags that don't explicitly need Struts functionality, but on a practical 
level that may not make any difference to you.


Dave



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Re: logic:iterate tag and form beans

[Laurie Harper]

Brian Kremmin wrote:

I want to get some table data from a database and output it in table
form on a webpage.

I'm planning to use an ArrayList to store the data and use the
logic:iterate tag to expose the elements of the list... however, I'm
unsure of the proper structure of all these data objects.  I think I'm
using struts 1.1 if that makes a difference.

I'm assuming I'll create a form bean with an ArrayList as a property..
is this correct?  However, I'm unsure of what sort of objects to put
into the array list.  Do I create another form bean with properties for
each table column, populate a new bean for each row of table data, and
put each into the ArrayList?  Or should the objects in the Arraylist be
something other than a form bean?


If you just need to display the data, you don't need FormBeans or anything 
else Struts-specific. Use whatever data structures make sense to your 
application and pass them to your view (JSP), as others have posted here.


If you need to let the user edit and re-submit the data, validate it, 
re-display it, etc. then you will want to start using FormBeans and the 
rest of the Struts machinery to manage that.


For output-only data, you just need to expose the model (whatever form you 
choose for that). Struts is model-agnostic.



I'm looking for the 'best' and 'proper practice as our standards group
is very picky.  Any ideas?


If you need to satisfy a picky standards group maybe you should ask what 
*they* consider to be the 'correct' way to do this in your organization :-)


L.
--
Laurie, Open Source advocate, Java geek and novice blogger:
http://www.holoweb.net/laurie


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logic:iterate - question

[peceka]

hi,

I've got:

ArrayList offices

array of office objects.
On jsp page i'm showing this array using logic:iterate. But i would
like to show just only some objects of this array list, which meet
some condition. It is possible?

Best Regards,
p.

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AW: logic:iterate - question

[Leon Rosenberg]

Sure

logic:iterate name=foo type=OfficeObject id=ob
  logic:equal name=ob property=aProperty value=your_condition_value
html render object
  /logic::equal
/logic:iterate 

 -Ursprüngliche Nachricht-
 Von: peceka [mailto:[EMAIL PROTECTED] 
 Gesendet: Samstag, 30. Juli 2005 20:39
 An: user@struts.apache.org
 Betreff: logic:iterate - question
 
 hi,
 
 I've got:
 
 ArrayList offices
 
 array of office objects.
 On jsp page i'm showing this array using logic:iterate. But i 
 would like to show just only some objects of this array list, 
 which meet some condition. It is possible?
 
 Best Regards,
 p.
 
 -
 To unsubscribe, e-mail: [EMAIL PROTECTED]
 For additional commands, e-mail: [EMAIL PROTECTED]
 
 



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RE: Not getting submitted values from textarea in logic:iterate

[Neil Aggarwal]

Hello:

Does anyone have any ideas on how to get this to work?

Is this a bug?

Thanks,
Neil


--
Neil Aggarwal, JAMM Consulting, (214) 986-3533, www.JAMMConsulting.com
FREE! Valuable info on how your business can reduce operating costs by
17% or more in 6 months or less! http://newsletter.JAMMConsulting.com

 -Original Message-
 From: Neil Aggarwal [mailto:[EMAIL PROTECTED] 
 Sent: Wednesday, July 20, 2005 10:41 AM
 To: 'Struts Users Mailing List'
 Subject: Not getting submitted values from textarea in logic:iterate
 
 
 Hello:
 
 I have a DynaForm with some beans stored in an array:
 form-bean name=admin.editClubForm
 type=org.apache.struts.validator.DynaValidatorForm
   form-property name=features 
 type=persistent.Feature[]/
 /form-bean
 
 I have the form-bean declared as session scope for my actions:
 action path=/admin/editClubInit type=admin.EditClubInit
 name=admin.editClubForm scope=session
   forward name=success path=/admin/editClub.do/
 /action
 action path=/admin/editClub forward=admin.editClub /
 action path=/admin/editClubAction type=admin.EditClubAction
 name=admin.editClubForm scope=session
   forward name=failure path=/admin/editClub.do/ 
   forward name=success path=/admin/showClubs.do 
 redirect=true / 
 /action
 
 The persistent.Feature class has a field text with setText and getText
 accessors.
 
 When want want to display the data, I first call /admin/editClubInit
 to populate the DynaForm.  Here is the code that does that:
 Feature[] features = new Feature[NUM_FEATURES];
 for( int i=0; iNUM_FEATURES; i++ ) {
   features[i] = new persistent.Feature(Test [+i+]);
 }
 df.set(features, features);
 After populating the form, the EditClubInit action forwards 
 to user to the
 page to
 display the form.  Here is the JSP code that shows the data:
 logic:iterate name=admin.editClubForm property=features
 id=feature
   br
   html:textarea name=feature property=text indexed=true
 rows=3 cols=75/
 /logic:iterate
 
 The data appears correctly on the page.
 
 Unfortunately, when I submit the form to my action class to 
 process it,
 I do not get the text I submitted.  I get the original text that
 EditClubInit prepopulated the form with.
 
 Here is the code I am using to retrieve the data:
 
   Feature[] features = (Feature[]) df.get(features);
   for( int i=0; ifeatures.length; i++ ) {
 System.err.println( Feature[+i+] is 
 +features[i].getText());
   }
 
 Any ideas why this would not be working?
 
 If you need to see more details, I can provide them.
 I was trying to focus on what I thought would be helpful.
 
 Thanks,
   Neil
 
 --
 Neil Aggarwal, JAMM Consulting, (214) 986-3533, www.JAMMConsulting.com
 FREE! Valuable info on how your business can reduce operating costs by
 17% or more in 6 months or less! http://newsletter.JAMMConsulting.com
 
 
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Re: Not getting submitted values from textarea in logic:iterate

[Laurie Harper]

Your html:textarea/ tag is using the 'name' attribute, which tells it to 
associate itself with a specific bean instead of the containing form bean.


  html:textarea name=feature property=text indexed=true
rows=3 cols=75/

This binds the text area to the property named 'text' on the 'feature' bean 
defined by the enclosing logic:iterate/. That's not what you want. If you 
look at the request when you submit the form I think you'll find that the 
values from the text areas are submitted through a request parameter named 
'text'.


Try this instead:

  html:textarea property=features value=${feature}/

You might also be able to do something like

  html:textarea property=features[${i}]/

if you add indexId=i to your logic:iterate/ tag.

L.

Neil Aggarwal wrote:

Hello:

Does anyone have any ideas on how to get this to work?

Is this a bug?

Thanks,
Neil


--
Neil Aggarwal, JAMM Consulting, (214) 986-3533, www.JAMMConsulting.com
FREE! Valuable info on how your business can reduce operating costs by
17% or more in 6 months or less! http://newsletter.JAMMConsulting.com



-Original Message-
From: Neil Aggarwal [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, July 20, 2005 10:41 AM

To: 'Struts Users Mailing List'
Subject: Not getting submitted values from textarea in logic:iterate


Hello:

I have a DynaForm with some beans stored in an array:
   form-bean name=admin.editClubForm
type=org.apache.struts.validator.DynaValidatorForm
 form-property name=features 
type=persistent.Feature[]/
   /form-bean


I have the form-bean declared as session scope for my actions:
   action path=/admin/editClubInit type=admin.EditClubInit
name=admin.editClubForm scope=session
 forward name=success path=/admin/editClub.do/
   /action
   action path=/admin/editClub forward=admin.editClub /

   action path=/admin/editClubAction type=admin.EditClubAction
name=admin.editClubForm scope=session
 forward name=failure path=/admin/editClub.do/ 
 forward name=success path=/admin/showClubs.do 
redirect=true / 
   /action


The persistent.Feature class has a field text with setText and getText
accessors.

When want want to display the data, I first call /admin/editClubInit
to populate the DynaForm.  Here is the code that does that:
   Feature[] features = new Feature[NUM_FEATURES];
   for( int i=0; iNUM_FEATURES; i++ ) {
features[i] = new persistent.Feature(Test [+i+]);
   }
   df.set(features, features);
After populating the form, the EditClubInit action forwards 
to user to the

page to
display the form.  Here is the JSP code that shows the data:
   logic:iterate name=admin.editClubForm property=features
id=feature
 br
 html:textarea name=feature property=text indexed=true
rows=3 cols=75/
   /logic:iterate

The data appears correctly on the page.

Unfortunately, when I submit the form to my action class to 
process it,

I do not get the text I submitted.  I get the original text that
EditClubInit prepopulated the form with.

Here is the code I am using to retrieve the data:

 Feature[] features = (Feature[]) df.get(features);
 for( int i=0; ifeatures.length; i++ ) {
   System.err.println( Feature[+i+] is 
+features[i].getText());

 }

Any ideas why this would not be working?

If you need to see more details, I can provide them.
I was trying to focus on what I thought would be helpful.

Thanks,
Neil

--
Neil Aggarwal, JAMM Consulting, (214) 986-3533, www.JAMMConsulting.com
FREE! Valuable info on how your business can reduce operating costs by
17% or more in 6 months or less! http://newsletter.JAMMConsulting.com


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--
Laurie, Open Source advocate, Java geek and novice blogger:
http://www.holoweb.net/laurie


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RE: Not getting submitted values from textarea in logic:iterate

[Neil Aggarwal]

Laurie:

I need to get the value of the text field from the feature bean, not 
just the feature bean itself.

So, I had the change your code to:

logic:iterate name=admin.editClubForm property=features id=feature
indexId=i
  html:textarea property=features[${i}].text value=${feature.text}
rows=3 cols=75/
/logic:iterate

And it worked perfectly.

Thanks for tip!

Neil


--
Neil Aggarwal, JAMM Consulting, (214) 986-3533, www.JAMMConsulting.com
FREE! Valuable info on how your business can reduce operating costs by
17% or more in 6 months or less! http://newsletter.JAMMConsulting.com

 -Original Message-
 From: news [mailto:[EMAIL PROTECTED] On Behalf Of Laurie Harper
 Sent: Thursday, July 21, 2005 5:04 PM
 To: user@struts.apache.org
 Subject: Re: Not getting submitted values from textarea in 
 logic:iterate
 
 
 Your html:textarea/ tag is using the 'name' attribute, 
 which tells it to 
 associate itself with a specific bean instead of the 
 containing form bean.
 
html:textarea name=feature property=text 
 indexed=true
  rows=3 cols=75/
 
 This binds the text area to the property named 'text' on the 
 'feature' bean 
 defined by the enclosing logic:iterate/. That's not what 
 you want. If you 
 look at the request when you submit the form I think you'll 
 find that the 
 values from the text areas are submitted through a request 
 parameter named 
 'text'.
 
 Try this instead:
 
html:textarea property=features value=${feature}/
 
 You might also be able to do something like
 
html:textarea property=features[${i}]/
 
 if you add indexId=i to your logic:iterate/ tag.
 
 L.
 
 Neil Aggarwal wrote:
  Hello:
  
  Does anyone have any ideas on how to get this to work?
  
  Is this a bug?
  
  Thanks,
  Neil
  
  
  --
  Neil Aggarwal, JAMM Consulting, (214) 986-3533, 
 www.JAMMConsulting.com
  FREE! Valuable info on how your business can reduce 
 operating costs by
  17% or more in 6 months or less! 
 http://newsletter.JAMMConsulting.com
  
  
 -Original Message-
 From: Neil Aggarwal [mailto:[EMAIL PROTECTED] 
 Sent: Wednesday, July 20, 2005 10:41 AM
 To: 'Struts Users Mailing List'
 Subject: Not getting submitted values from textarea in logic:iterate
 
 
 Hello:
 
 I have a DynaForm with some beans stored in an array:
 form-bean name=admin.editClubForm
 type=org.apache.struts.validator.DynaValidatorForm
   form-property name=features 
 type=persistent.Feature[]/
 /form-bean
 
 I have the form-bean declared as session scope for my actions:
 action path=/admin/editClubInit type=admin.EditClubInit
 name=admin.editClubForm scope=session
   forward name=success path=/admin/editClub.do/
 /action
 action path=/admin/editClub forward=admin.editClub /
 action path=/admin/editClubAction type=admin.EditClubAction
 name=admin.editClubForm scope=session
   forward name=failure path=/admin/editClub.do/ 
   forward name=success path=/admin/showClubs.do 
 redirect=true / 
 /action
 
 The persistent.Feature class has a field text with setText 
 and getText
 accessors.
 
 When want want to display the data, I first call /admin/editClubInit
 to populate the DynaForm.  Here is the code that does that:
 Feature[] features = new Feature[NUM_FEATURES];
 for( int i=0; iNUM_FEATURES; i++ ) {
 features[i] = new persistent.Feature(Test [+i+]);
 }
 df.set(features, features);
 After populating the form, the EditClubInit action forwards 
 to user to the
 page to
 display the form.  Here is the JSP code that shows the data:
 logic:iterate name=admin.editClubForm property=features
 id=feature
   br
   html:textarea name=feature property=text 
 indexed=true
 rows=3 cols=75/
 /logic:iterate
 
 The data appears correctly on the page.
 
 Unfortunately, when I submit the form to my action class to 
 process it,
 I do not get the text I submitted.  I get the original text that
 EditClubInit prepopulated the form with.
 
 Here is the code I am using to retrieve the data:
 
   Feature[] features = (Feature[]) df.get(features);
   for( int i=0; ifeatures.length; i++ ) {
 System.err.println( Feature[+i+] is 
 +features[i].getText());
   }
 
 Any ideas why this would not be working?
 
 If you need to see more details, I can provide them.
 I was trying to focus on what I thought would be helpful.
 
 Thanks,
 Neil
 
 --
 Neil Aggarwal, JAMM Consulting, (214) 986-3533, 
 www.JAMMConsulting.com
 FREE! Valuable info on how your business can reduce 
 operating costs by
 17% or more in 6 months or less! 
 http://newsletter.JAMMConsulting.com
 
 
 
 -
 To unsubscribe, e-mail: [EMAIL PROTECTED]
 For additional commands, e-mail: [EMAIL PROTECTED]
 
 
 
 -- 
 Laurie, Open Source advocate, Java geek and novice blogger:
 http://www.holoweb.net/laurie

Not getting submitted values from textarea in logic:iterate

[Neil Aggarwal]

Hello:

I have a DynaForm with some beans stored in an array:
form-bean name=admin.editClubForm
type=org.apache.struts.validator.DynaValidatorForm
  form-property name=features type=persistent.Feature[]/
/form-bean

I have the form-bean declared as session scope for my actions:
action path=/admin/editClubInit type=admin.EditClubInit
name=admin.editClubForm scope=session
  forward name=success path=/admin/editClub.do/
/action
action path=/admin/editClub forward=admin.editClub /
action path=/admin/editClubAction type=admin.EditClubAction
name=admin.editClubForm scope=session
  forward name=failure path=/admin/editClub.do/ 
  forward name=success path=/admin/showClubs.do redirect=true / 
/action

The persistent.Feature class has a field text with setText and getText
accessors.

When want want to display the data, I first call /admin/editClubInit
to populate the DynaForm.  Here is the code that does that:
Feature[] features = new Feature[NUM_FEATURES];
for( int i=0; iNUM_FEATURES; i++ ) {
features[i] = new persistent.Feature(Test [+i+]);
}
df.set(features, features);
After populating the form, the EditClubInit action forwards to user to the
page to
display the form.  Here is the JSP code that shows the data:
logic:iterate name=admin.editClubForm property=features
id=feature
  br
  html:textarea name=feature property=text indexed=true
rows=3 cols=75/
/logic:iterate

The data appears correctly on the page.

Unfortunately, when I submit the form to my action class to process it,
I do not get the text I submitted.  I get the original text that
EditClubInit prepopulated the form with.

Here is the code I am using to retrieve the data:

  Feature[] features = (Feature[]) df.get(features);
  for( int i=0; ifeatures.length; i++ ) {
System.err.println( Feature[+i+] is +features[i].getText());
  }

Any ideas why this would not be working?

If you need to see more details, I can provide them.
I was trying to focus on what I thought would be helpful.

Thanks,
Neil

--
Neil Aggarwal, JAMM Consulting, (214) 986-3533, www.JAMMConsulting.com
FREE! Valuable info on how your business can reduce operating costs by
17% or more in 6 months or less! http://newsletter.JAMMConsulting.com


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Issue with logic:iterate

[sadineni]

  Hi All,

Is there any way to break loop of logic:iterate loop based on a condition ?

Thanks in advance,

Anil.

RE: Issue with logic:iterate

[Raj Tilak]

%
break;
%


From: sadineni [EMAIL PROTECTED]
Reply-To: Struts Users Mailing List user@struts.apache.org
To: user@struts.apache.org
Subject: Issue with logic:iterate
Date: Tue, 12 Jul 2005 20:30:42 +0530

  Hi All,

Is there any way to break loop of logic:iterate loop based on a condition ?

Thanks in advance,

Anil.




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Problem accessing elements of Collection inside logic:iterate

[Riemann Robert \(Platinion\)]

Hello everyone,

 

I need your help with a tricky problem, where I do not see any explanation
currently:

 

I try to construct a table with all data items stored in a database using
Hibernate.

 

There is a Form bean for the data items themselves and a form bean with a
Collection (ArrayList) with the list of all such data items.

 

 

 

Here is the relevant JSP code 

 

logic:present name=InterfacesOverviewForm

logic:notEmpty name=InterfacesOverviewForm
property=interfacesItems

table

logic:iterate
id=InterfacesOverviewData 

name=InterfacesOverviewForm 

property=interfacesItems 

 
type=de.Platinion.rr.QuestGen.P200038_26.Presentation.form.InterfacesInputFo
rm

tr

td

 
html:text name=InterfacesOverviewData property=mainId size=2/ // put
one property of the interfaces data item into the table cell (**)

 

.

.

.

/logic:notEmpty

logic:empty name=InterfacesOverviewForm
property=interfacesItems

No Interfaces data items stored yet. br
/

/logic:empty

/logic:present

logic:notPresent name=InterfacesOverviewForm

No Interfaces data items available. br /

/logic:notPresent

 

In my OverviewInterfacesAction I do the following:

 

... 

Collection lDTOList = lService.readData(); // read data from the persistence
layer

 

ArrayList lFormInterfacesList = new ArrayList(); //
the list of form beans



lFormInterfacesList = (ArrayList) convert(lDTOList);
convert DTO's to form beans



lForm.setInterfacesItems(lFormInterfacesList); // set
the form bean collection into the form



 
pRequest.setAttribute(InterfacesOverviewForm,lForm); // place the form with
the collection into the request



return (pMapping.findForward(Constants.SUCCESS)); //
done

 

}

 

I expect that in my JSP, The iterate gets in each iteration one form after
the other out of the collection and that I have access to the properties of
the collection elements as in line (**) 

 

Unfortunately there are two effects that I cannot explain:

1)   With the code as above I get an Exception stating, that bean
InterfacesOverviewData cannot be found in any scope



2)   If I start the JSP with a 
bean:define id=InterfacesOverviewData
  name=InterfacesOverviewForm
 
type=de.Platinion.rr.QuestGen.P200038_26.Presentation.form.InterfacesOvervie
wForm/
I still get a different exception, but this time stating, that there is no
getter method for property mainId in form InterfacesOverviewForm, which is
correct since that form contains a Collection with elements which all have a
property mainId and getter getMainId().



3)   If I try to access the Collection instead of a property in line
(**), i.e. I change the line to:
html:text name=InterfacesOverviewData property=interfacesItems
size=150/
Then I see the the ArrayList printed (I provided a toString() method in the
InterfacesInputForm (i.e. the form which represents an element of the
Collection), thoug obviously the Collection is there and can be accessed.  



4)   A further observation which I cannot explain might indicate that the
heart of my error in not caused by the logic:iterate tag itself: 
both branches of the surrounding logic:present and logic:empty checks, i.e.,
logic:present and logic:notPresent and logic:empty and logic:notEmpty are
executed (with the code as described until (3)) 

 

Any help or hint is highly appreciated!

 

Thanks in advanced 

Robert

 

 



Dr. Robert Riemann   |  IT Architect

 

Platinion GmbH

 

 A Company of The Boston Consulting group

Ridlerstr. 31b 80339 Munich/Germany

Tel. +49 (0) 89 54545-53 22 Mobile +49 (0) 160  532 33 22

Fax +49 (0) 89 5108 2900

mailto:[EMAIL PROTECTED]

http://www.platinion.de

 

Problem accessing elements of Collection inside logic:iterate (II)

[Riemann Robert \(Platinion\)]

Hello everyone,

(a second post since my mail editor just made the posting unreadable...
sorry!)

I need your help with a tricky problem, where I do not see any explanation
currently:

I try to construct a table with all data items stored in a database using
Hibernate.
There is a Form bean for the data items themselves and a form bean with a
Collection (ArrayList) with the list of all such data items.

Here is the relevant JSP code 
... 
logic:present name=InterfacesOverviewForm
logic:notEmpty name=InterfacesOverviewForm property=interfacesItems
  table
logic:iterate id=InterfacesOverviewData 
 name=InterfacesOverviewForm 
 property=interfacesItems
 type=Presentation.form.InterfacesInputForm
  tr
 td
!-- put a property of the interfaces item in table cell --
html:text name=InterfacesOverviewData 
   property=mainId size=2/ !-- (**) --


/logic:notEmpty
logic:empty name=InterfacesOverviewForm 
 property=interfacesItems
   No Interfaces data items stored yet. br /
/logic:empty
/logic:present
logic:notPresent name=InterfacesOverviewForm
   No Interfaces data items available. br /
/logic:notPresent

In my OverviewInterfacesAction I do the following:

... 
 // read data from the persistence layer 
 Collection lDTOList = lService.readData(); 
 // the list of form beans
 ArrayList lFormInterfacesList = new ArrayList(); 
 // convert DTO's to form beans 
 lFormInterfacesList = (ArrayList) convert(lDTOList); 
 // set the form bean collection into the form
 lForm.setInterfacesItems(lFormInterfacesList); 
 // place the form with the collection into the request
 pRequest.setAttribute(InterfacesOverviewForm,lForm); 
 // done
 return (pMapping.findForward(Constants.SUCCESS)); 
}

I would expect that in my JSP, The iterate gets in each iteration one form
after the other out of the collection and that I have access to the
properties of the collection elements as in line (**) 

Unfortunately there are two effects that I cannot explain:
1) With the code as above I get an Exception stating, that bean
InterfacesOverviewData cannot be found in any scope


2) If I start the JSP with a 
   bean:define id=InterfacesOverviewData
  name=InterfacesOverviewForm
  type=Presentation.form.InterfacesOverviewForm/
  I still get a different exception, but this time stating, that there is no
  getter method for property mainId in form InterfacesOverviewForm, which is
  correct since that form contains a Collection with elements which all have
  a property mainId and getter getMainId().

3) If I try to access the Collection instead of a property in line (**),
  i.e. I change the line to:
  html:text name=InterfacesOverviewData 
 property=interfacesItems
 size=150/
 Then I see the the ArrayList printed (I provided a toString() method in the
 InterfacesInputForm (i.e. the form which represents an element of the
 Collection), thoug obviously the Collection is there and can be accessed.  

4) A further observation which I cannot explain might indicate that the
  heart of my error in not caused by the logic:iterate tag itself: 
  both branches of the surrounding logic:present and logic:empty checks,
 i.e.,logic:present and logic:notPresent and logic:empty and logic:notEmpty
 are executed (with the code as described until (3)) 


Any help or hint is highly appreciated!


Thanks in advanced 
Robert

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Re: Problem accessing elements of Collection inside logic:iterate (II)

[Laurie Harper]

Riemann Robert (Platinion) wrote:


Hello everyone,

(a second post since my mail editor just made the posting unreadable...
sorry!)

I need your help with a tricky problem, where I do not see any explanation
currently:

I try to construct a table with all data items stored in a database using
Hibernate.
There is a Form bean for the data items themselves and a form bean with a
Collection (ArrayList) with the list of all such data items.

Here is the relevant JSP code 
... 
logic:present name=InterfacesOverviewForm

logic:notEmpty name=InterfacesOverviewForm property=interfacesItems
  table
logic:iterate id=InterfacesOverviewData 
 name=InterfacesOverviewForm 
 property=interfacesItems

 type=Presentation.form.InterfacesInputForm
  tr
 td
!-- put a property of the interfaces item in table cell --
html:text name=InterfacesOverviewData 
   property=mainId size=2/ !-- (**) --



/logic:notEmpty
logic:empty name=InterfacesOverviewForm 
 property=interfacesItems

   No Interfaces data items stored yet. br /
/logic:empty
/logic:present
logic:notPresent name=InterfacesOverviewForm
   No Interfaces data items available. br /
/logic:notPresent

In my OverviewInterfacesAction I do the following:

... 
 // read data from the persistence layer 
 Collection lDTOList = lService.readData(); 
 // the list of form beans
 ArrayList lFormInterfacesList = new ArrayList(); 
 // convert DTO's to form beans 
 lFormInterfacesList = (ArrayList) convert(lDTOList); 
 // set the form bean collection into the form
 lForm.setInterfacesItems(lFormInterfacesList); 
 // place the form with the collection into the request
 pRequest.setAttribute(InterfacesOverviewForm,lForm); 
 // done
 return (pMapping.findForward(Constants.SUCCESS)); 
}


I would expect that in my JSP, The iterate gets in each iteration one form
after the other out of the collection and that I have access to the
properties of the collection elements as in line (**) 


Unfortunately there are two effects that I cannot explain:
1) With the code as above I get an Exception stating, that bean
InterfacesOverviewData cannot be found in any scope


Maybe convert() is returning null?

2) If I start the JSP with a 
   bean:define id=InterfacesOverviewData

  name=InterfacesOverviewForm
  type=Presentation.form.InterfacesOverviewForm/
  I still get a different exception, but this time stating, that there is no
  getter method for property mainId in form InterfacesOverviewForm, which is
  correct since that form contains a Collection with elements which all have
  a property mainId and getter getMainId().


Yes, but your bean:define binds IngerfacesOverviewData to an instance of 
interfacesOverviewForm, not to the element type.


3) If I try to access the Collection instead of a property in line (**),
  i.e. I change the line to:
  html:text name=InterfacesOverviewData 
 property=interfacesItems

 size=150/
 Then I see the the ArrayList printed (I provided a toString() method in the
 InterfacesInputForm (i.e. the form which represents an element of the
 Collection), thoug obviously the Collection is there and can be accessed.  


With or without the bean:define? Shouldn't that be 
name=InterfacesOverviewForm?


4) A further observation which I cannot explain might indicate that the
  heart of my error in not caused by the logic:iterate tag itself: 
  both branches of the surrounding logic:present and logic:empty checks,

 i.e.,logic:present and logic:notPresent and logic:empty and logic:notEmpty
 are executed (with the code as described until (3)) 


That sounds a bit odd... I'd suggest adding some debugging code to the JSP to 
print out everything in the various scopes to make sure everything's as you 
expect it.

L.
--
Laurie, Open Source advocate, Java geek and novice blogger:
http://www.holoweb.net/~laurie/


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logic:lessThan inside logic:iterate

[Fredrik Boström]

Dear list,

I've been fighting this problem for some time now, and can't come up
with a solution. Please advice.

In my jsp page I'm iterating an array of Category objects which resides
in the request scope. This is done with the logic:iterate tag like this:

logic:iterate id=categories name=category_array

Each Category-object contains a Message-object field called lastmessage
which in turn contains a timestamp-field (a long).

In session-scope, there is a User object with a lastlogin field (a long).

All objects have the appropriate getters (and setters) for all fields.

Inside the iteration, I'm trying to do a comparison between the
timestamp field of the Message object inside the Category object
currently processed and the lastlogin field of the user object. This is
how I'd like it to work:

logic:iterate id=categories name=category_array
  logic:present name=user scope=session
logic:lessThan name=user
property=lastlogin
value=category.lastmessage.timestamp
   //do something
/logic:lessThan
  /logic:present
/logic:iterate

Now this doesn't work since the timestamp field is referenced wrongly.
My next thought was to use logic-el taglib, but there's no lessThan tag
in that library, because the jstl-c library is supposed to offer the
same functionality. I tried jstl-c's c:if tag, but the problem is that I
can't reference the iterating categories object, like this:

c:if test=${user.lastlogin  categories.lastmessage.timestamp}
  //do something
/c:if

This doesn't recognize the categories property. So then I'd have to use
the c:iterate tag, but then again I have a bunch of bean:write/ and
other el-tags inside the iteration as well, using the categories
property created by the logic:iterate tag. These tags wouldn't work
properly if using inside a c:iterate tag (i suppose).

So, what should I do? How can I reference the timestamp-field in the
Message-object inside the Category object in a lessThan tag inside an
iteration? (phew)

Thankful for any advice.

   Fredrik Bostrm



The relevant code:

table class=categorytable
 logic:iterate id=categories name=category_array
   tr
 th
  html:link action=/ShowThreads.do
 paramId=categoryId
 paramName=categories
 paramProperty=id
bean:write name=categories
property=name
filter=false /
  /html:link
  logic:present name=user scope=session
logic:lessThan  !-- compare user.lastlogin to  --
  !-- category.lastmessage.timestamp --
  New messages!
/logic:lessThan
  /logic:present
 /th
 th class=categorycontrols
   logic:present name=user scope=session
 logic:equal name=user property=sumode value=true
   html-el:link
action=/EditCategory.do?action=editcategoryId=${categories.id}
 Edit
   /html-el:link
   html-el:link
action=/EditCategory.do?action=deletecategoryId=${categories.id}
 Delete
   /html-el:link
 /logic:equal
   /logic:present
 /th
   /tr
tr
 td colspan=2
  bean:write name=categories
  property=description
  filter=false/
 /td
/tr
  /logic:iterate
/table



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Re: problem with indexed property and logic:iterate

[Nitesh]

Just passing you a solution I had got from the user list earlier

Nitesh

- Original Message - 
From: John Fitzpatrick [EMAIL PROTECTED]

To: Struts Users Mailing List user@struts.apache.org
Sent: Friday, June 03, 2005 6:06 PM
Subject: Re: Problem using indexed properties and validator framework



In the struts-config.xml:

   form-bean name=ManageAccountsForm type=application.EditUsersForm
   form-property name=users type=application.UserBean[]
   /form-bean


   action-mappings
   action
 path=/application/EditUsers
 type=application.EditUsersAction
 name=EditUsersForm
 scope=session
   
 forward
   name=success
   path=editUsers.jsp
   redirect=false
 /
   action-mappings


In EditUsersAction.java execute method

   // get collection of users from the database
   Collection users = getUserBeans ();

   // put collection into form as an array for editing
   form.set ( users, users.toArray ( new UserBean[0] ) );

In editUsers.jsp

   logic:iterate id=users name=EditUsersForm property=users
   html:text name=users property=name indexed=true
   /logic:iterate

In the produced HTML:

   input type=text name=users[0].name /

If you need to client side validation, you'll probably need to write your
own JSP to deal with the element above.

As for using validate.xml to validate on the server side. I've never tried
it with arrays, I just iterate over them in the validate (...) method of 
the

form, like so:

   UserBean users[] = (UserBean[]) form.get ( users );
   for ( int i = 0; i  users.length; i++ ) {
   // check on the attributes of UserBean users[i]
   }

Hope that example clears it up for you.

John



On 20050603 5:05 AM, Nitesh [EMAIL PROTECTED] wrote:


Thanks for the answer John...

Could you give me an example as to how we pre populate the array?

Regards,
Nitesh
- Original Message -
From: John Fitzpatrick [EMAIL PROTECTED]
To: Struts Users Mailing List user@struts.apache.org
Sent: Thursday, June 02, 2005 6:00 PM
Subject: Re: Problem using indexed properties and validator framework




For an Array in a DynaForm property, you can either set the size in the
form-property descriptor or, in the case of a session form, pre-populate
the
Array in your action with the number of elements you desire.





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RE: Problem with logic:iterate Tag

[Deepak Srivatava]

Any guess whats happening wrong here?,

the output is as follows

 4thCol 4thCol 4thCol 4thCol
 4thCol 4thCol 4thCol 4thCol

But the correct output should be as follows

 1stCol 2ndCol 3rdCol 4thCol
 1stCol 2ndCol 3rdCol 4thCol


Deepak

-Original Message-
From: Deepak Srivatava [mailto:[EMAIL PROTECTED]
Sent: Wednesday, June 08, 2005 6:57 PM
To: user@struts.apache.org
Subject: Problem with logic:iterate Tag


I am populating following simple List in action class and putting that in form 
class.
 
private List getSystemTableList(ConfWizardBean confwizbean, HttpSession 
session){
ArrayList outerList = new ArrayList();
for (int i = 0; i  2; i++)
{
ArrayList innerList = new ArrayList();
 
innerList.add(0,Ist Column);
innerList.add(1,2nd Column);
innerList.add(2,3rd column);
innerList.add(3,4th Column);
outerList.add(innerList);
}
return outerList;
}
 
relevant JSP code is as follows
 

  %-- Iterate through the system list --%
  bean:define id=systemList name=MyForm property=systemTableList/
  logic:present name=systemList
  logic:notEmpty name=systemList
  logic:iterate id=innerList name=systemList indexId=index

  logic:iterate id=1stCol name=innerList offset=0/
  logic:iterate id=2ndCol name=innerList offset=1/
  logic:iterate id=3rdCol name=innerList offset=2/
  logic:iterate id=4thCol name=innerList offset=3/

   TD  align=center class=bodyText nowrapbean:write name=1stCol //td
   TD  align=center valign=middlebean:write name=2ndCol//td
   TD  align=center valign=middlebean:write name=3rdCol //td
   TD  align=center valign=middlebean:write name=4thCol//td
  /logic:iterate
  /logic:notEmpty
  /logic:present
 
I am trying to print the above list in Jsp page but it always print the value 
4th Column in all the four columns of HTML. Somehow it always uses the 
offset=3. What I am doing wrong here?.
 
Deepak


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Problem with logic:iterate Tag

[Deepak Srivatava]

I am populating following simple List in action class and putting that in form 
class.
 
private List getSystemTableList(ConfWizardBean confwizbean, HttpSession 
session){
ArrayList outerList = new ArrayList();
for (int i = 0; i  2; i++)
{
ArrayList innerList = new ArrayList();
 
innerList.add(0,Ist Column);
innerList.add(1,2nd Column);
innerList.add(2,3rd column);
innerList.add(3,4th Column);
outerList.add(innerList);
}
return outerList;
}
 
relevant JSP code is as follows
 

  %-- Iterate through the system list --%
  bean:define id=systemList name=MyForm property=systemTableList/
  logic:present name=systemList
  logic:notEmpty name=systemList
  logic:iterate id=innerList name=systemList indexId=index

  logic:iterate id=1stCol name=innerList offset=0/
  logic:iterate id=2ndCol name=innerList offset=1/
  logic:iterate id=3rdCol name=innerList offset=2/
  logic:iterate id=4thCol name=innerList offset=3/

   TD  align=center class=bodyText nowrapbean:write name=1stCol //td
   TD  align=center valign=middlebean:write name=2ndCol//td
   TD  align=center valign=middlebean:write name=3rdCol //td
   TD  align=center valign=middlebean:write name=4thCol//td
  /logic:iterate
  /logic:notEmpty
  /logic:present
 
I am trying to print the above list in Jsp page but it always print the value 
4th Column in all the four columns of HTML. Somehow it always uses the 
offset=3. What I am doing wrong here?.
 
Deepak

Message resource exception caused by bean:write inside logic:iterate

[redford]

Hey all,

I get an exception and cannot find any explanation or solution.

An OverviewBody.jsp page intends to list all data items from a database.
It therefore cretaes an appropriate table, the table body is implemented using a
logic:iterate tag, the single table columns/cells are supposed to get populated
using bean:write tags.

Doing this leads to an exception 

[ERROR] InsertTag - ServletException in '/pages/OverviewBody.jsp': Cannot find
message resources under key org.apache.struts.action.MESSAGE
javax.servlet.ServletException: Cannot find message resources under key
org.apache.struts.action.MESSAGEjavax.servlet.ServletException: Cannot find
message resources under key org.apache.struts.action.MESSAGE

when calling the appropriate action.

However, all othe pages work fine with the specified ressource bundles. If I
eliminate all bean:write tags in the page, the exception does not occur.
I therefore assume that the exception does not really mean in my case that the
system cannot access the resource bundles.

Unfortunately, I have no other idea of how to solve the problem...

Any idea or hint would help and is highly appreciated.
Thanks 
Robert


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RE: logic:iterate multiple collections

[Pushkala_Iyer]

 
A related question, so I thought I'll post it to this thread.

The data structure I use is a HashMap, whose values are other HashMaps.
Like so:

OuterMap
OuterKey1: InnerMap1
   InnerKey11: Value11
   InnerKey12: Value12  
OuterKey2: InnerMap2
   InnerKey21: Value21
   InnerKey22: Value22  

I'm trying to nest two logic:iterate tags to print out the keys in the
outer map and the values in the inner Map. 

What I'm trying to do is something like this:

logic:iterate id=myOuterMap name=myForm property=myOuterMap
tr
   tdbean:write name=myOuterMap property=key//td
   logic:iterate id=myInnerMap name=myForm property=myInnerMap
tdbean:write name=myInnerMap property=value//td   
   /logic:iterate   
/tr
/logic:iterate

This has a problem, because, it needs the innerMap attribute set in the
request - however, this always gets the same value, probably because of
the way I'm setting it in my Action. 

1) I probably need a list of innerMaps in my form, but I'm not sure how
to do this.

2) If I try to print the value using the outerMap alone, like so,
   tdbean:write name=MyOuterMap property=value//td  I'm not
sure how I can format this in the way that only the values are seen. 

Does anyone have any pointers?

Thanks,
PS

-Original Message-
From: Wendy Smoak [mailto:[EMAIL PROTECTED] 
Sent: Monday, May 23, 2005 6:42 PM
To: Struts Users Mailing List
Subject: Re: logic:iterate multiple collections

From: Titus Barik [EMAIL PROTECTED]

 Let's say I have two collections, A, and B. Is there a way to iterate 
 over multiple collections with something like logic:iterate?


If you know they're the same size and in the same order, (should be the
case with List,) how about iterating over one with c:forEach
varStatus=status and using ${status.count} to address the second
List.

Can you change the design?  If the items in both collections really
belong together, try to store them together so you don't have to jump
through hoops like this.

--
Wendy Smoak



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Re: logic:iterate multiple collections

[Wendy Smoak]

From: [EMAIL PROTECTED]

 The data structure I use is a HashMap, whose values are other HashMaps.

 I'm trying to nest two logic:iterate tags to print out the keys in the
 outer map and the values in the inner Map.

c:forEach var=outerMapEntry items=${outerMap}
c:out value=${outerMapEntry.key}/
c:forEach var=innerMapEntry items=${outerMapEntry.value} 
  c:out value=${innerMapEntry.value}/
/c:forEach
/c:forEach

See http://wiki.wendysmoak.com/cgi-bin/wiki.pl?JSTLNestedMapIterate for test
code.

-- 
Wendy Smoak



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RE: logic:iterate multiple collections

[Pushkala_Iyer]

Thanks! That worked, and is also much easier to understand.

This is probably a newbie question: How / when does one choose between
using JSTL / Struts Tags? 
Is there any reason to choose Struts tags over JSTL?

Thanks,
PS

-Original Message-
From: Wendy Smoak [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, May 24, 2005 11:02 AM
To: Struts Users Mailing List
Subject: Re: logic:iterate multiple collections

From: [EMAIL PROTECTED]

 The data structure I use is a HashMap, whose values are other
HashMaps.

 I'm trying to nest two logic:iterate tags to print out the keys in the

 outer map and the values in the inner Map.

c:forEach var=outerMapEntry items=${outerMap}
c:out value=${outerMapEntry.key}/
c:forEach var=innerMapEntry items=${outerMapEntry.value} 
  c:out value=${innerMapEntry.value}/
/c:forEach
/c:forEach

See http://wiki.wendysmoak.com/cgi-bin/wiki.pl?JSTLNestedMapIterate for
test code.

--
Wendy Smoak




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Re: logic:iterate multiple collections

[Jeff Beal]

See http://struts.apache.org/faqs/struts-el.html.  It includes a list
of Struts tags whose functionality is covered by the JSTL.

On 5/24/05, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
 
 Thanks! That worked, and is also much easier to understand.
 
 This is probably a newbie question: How / when does one choose between
 using JSTL / Struts Tags?
 Is there any reason to choose Struts tags over JSTL?
 
 Thanks,
 PS


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logic:iterate multiple collections

[Titus Barik]

Hi all,

Let's say I have two collections, A, and B. Is there a way to iterate 
over multiple collections with something like logic:iterate?


i.e

logic:iterate
  ${rowA.name}
  ${rowB.value}
/logic:iterate

--
Titus Barik ([EMAIL PROTECTED])
http://www.barik.net

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Re: logic:iterate multiple collections

[Wendy Smoak]

From: Titus Barik [EMAIL PROTECTED]

 Let's say I have two collections, A, and B. Is there a way to iterate
 over multiple collections with something like logic:iterate?


If you know they're the same size and in the same order, (should be the case
with List,) how about iterating over one with c:forEach varStatus=status
and using ${status.count} to address the second List.

Can you change the design?  If the items in both collections really belong
together, try to store them together so you don't have to jump through hoops
like this.

-- 
Wendy Smoak


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logic:iterate and LazyValidatorForm

[Durham David R Jr Ctr 805 CSPTS/SCE]

I'm trying to iterate over a String[] in a LazyValidatorForm using:

logic:iterate name=myForm property=first
...

But I get the following error:

Unable to find a value for first in object of class
org.apache.struts.validator.LazyValidatorForm using operator .


So, does the logic:iterate tag work with DynaBeans?  From the source
code, it uses BeanUtils.getProperty(), which works with DynaBeans.  Any
ideas?  Thanks.


- Dave

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RE: logic:iterate and LazyValidatorForm

[Durham David R Jr Ctr 805 CSPTS/SCE]

 So, does the logic:iterate tag work with DynaBeans?  From the source 
 code, it uses BeanUtils.getProperty(), which works with DynaBeans.  
 Any ideas? Thanks.

Please disregard this post.  The problem was actually later on when I
attempted to access the DynaBean via JSTL, which doesn't work for
obvious reasons.


- Dave


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Re: logic:iterate and LazyValidatorForm

[Wendy Smoak]

From: Durham David R Jr Ctr 805 CSPTS/SCE [EMAIL PROTECTED]
 The problem was actually later on when I
 attempted to access the DynaBean via JSTL, which doesn't work for
 obvious reasons.

LazyValidatorForm has a 'getMap' method, so you _can_ use it with JSTL.  I
use LazyDynaBean, which has the same method.  Example:

   c:out value=${someDynaBean.map.lastName}/

-- 
Wendy Smoak


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Dynamically generating parameterized links using logic:iterate

[Randall Svancara]

First of all, I know this must be a frequently asked question.  In java
server pages, I would do this:

%
while someiterator.hasNext(){
%
a href=/somepage?param1=%=String
strVal=(String)someiterator.next()%Go/abr /

%
}

This seems fairly strait forward.  Using the struts framework and tags,
I am struggling.

logic:iterate id=result name=ParcelSearchForm property=results
html:link page=/somepage.do name=result scope=page
paramId=parcel bean:write name=result
property=parcel//html:linkbr /
/logic:iterate

I am not sure what I need to use in order to grab the parcel value from
the form bean.  I know my syntax is wrong.

Can someone please demonstrate the proper way to do this.

Randall

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Re: Dynamically generating parameterized links using logic:iterate

[Michael Jouravlev]

I guess, it would something like this:

logic:iterate id=result name=ParcelSearchForm 
   property=results type=com.acme.ParcelObj
  html:link page=/somepage.do paramId=param1
 paramName=result paramProperty=parcel
bean:write name=result property=parcel/
  /html:link
/logic:iterate 

where com.acme.ParcelObj is the object type, which is collected within
results and which has parcel property.

Michael.

On 4/27/05, Randall Svancara [EMAIL PROTECTED] wrote:
 First of all, I know this must be a frequently asked question.  In java
 server pages, I would do this:
 
 %
 while someiterator.hasNext(){
 %
 a href=/somepage?param1=%=String
 strVal=(String)someiterator.next()%Go/abr /
 
 %
 }
 
 This seems fairly strait forward.  Using the struts framework and tags,
 I am struggling.
 
 logic:iterate id=result name=ParcelSearchForm property=results
 html:link page=/somepage.do name=result scope=page
 paramId=parcel bean:write name=result
 property=parcel//html:linkbr /
 /logic:iterate
 
 I am not sure what I need to use in order to grab the parcel value from
 the form bean.  I know my syntax is wrong.
 
 Can someone please demonstrate the proper way to do this.
 
 Randall
 
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RE: Dynamically generating parameterized links using logic:iterate

[Randall Svancara]

Thanks,

That worked.  I need to read the documentation!!! 

-Original Message-
From: Michael Jouravlev [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, April 27, 2005 12:21 PM
To: Struts Users Mailing List
Subject: Re: Dynamically generating parameterized links using
logic:iterate

I guess, it would something like this:

logic:iterate id=result name=ParcelSearchForm 
   property=results type=com.acme.ParcelObj
  html:link page=/somepage.do paramId=param1
 paramName=result paramProperty=parcel
bean:write name=result property=parcel/
  /html:link
/logic:iterate 

where com.acme.ParcelObj is the object type, which is collected within
results and which has parcel property.

Michael.

On 4/27/05, Randall Svancara [EMAIL PROTECTED] wrote:
 First of all, I know this must be a frequently asked question.  In 
 java server pages, I would do this:
 
 %
 while someiterator.hasNext(){
 %
 a href=/somepage?param1=%=String 
 strVal=(String)someiterator.next()%Go/abr /
 
 %
 }
 
 This seems fairly strait forward.  Using the struts framework and 
 tags, I am struggling.
 
 logic:iterate id=result name=ParcelSearchForm property=results

 html:link page=/somepage.do name=result scope=page
 paramId=parcel bean:write name=result
 property=parcel//html:linkbr /
 /logic:iterate
 
 I am not sure what I need to use in order to grab the parcel value 
 from the form bean.  I know my syntax is wrong.
 
 Can someone please demonstrate the proper way to do this.
 
 Randall
 
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Re: problem with logic:iterate

[Janarthan Sathiamurthy]

Hi,
U can do - 
logic:iterate collection=%= vec% id=vecRow
indexId=index
logic:equal ... //do some thing /logic:equal
/logic:iterate
--- Kade Jeevan Kumar [EMAIL PROTECTED] wrote:
 Hi
  
 i have
 
for(int i=0; i vec.size(); i++)
 { 
   if(i=5)   
{
   // do some thing
}
   
   }
  
 how can i use the same code in logice:iterate
 Help me out with example.
  
 -Thnx in Advance
 Jeevan
 
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logic:iterate problem...

[Lucas Bern]

Hi all...

I get this exception trying to render options with logic iterate tag...

javax.servlet.jsp.JspException: Cannot create iterator for this collection

My action just get a List form a Srevice layer and store it in session scope 
under Globales.AreaPersonal.MODULOS_KEY.

logic:iterate id=modulo collection='%=Globales.AreaPersonal.MODULOS_KEY%' 

option value='%=((Contenible)modulo).getId()%' 

%=((Contenible)modulo).getNombre()+  -  + ((Contenible)modulo).getTitulo()%

/option

/logic:iterate

i wish someone help me...

thanks!

Lucas



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Re: logic:iterate problem...

[Erik Weber]

I think your List reference is probably null.
Also, have you looked at html:options and html:optionsCollection?
Erik

Lucas Bern wrote:
Hi all...
I get this exception trying to render options with logic iterate tag...
javax.servlet.jsp.JspException: Cannot create iterator for this collection
My action just get a List form a Srevice layer and store it in session scope 
under Globales.AreaPersonal.MODULOS_KEY.
logic:iterate id=modulo collection='%=Globales.AreaPersonal.MODULOS_KEY%' 
option value='%=((Contenible)modulo).getId()%' 
%=((Contenible)modulo).getNombre()+  -  + ((Contenible)modulo).getTitulo()%
/option
/logic:iterate
i wish someone help me...
thanks!
Lucas

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Re: logic:iterate problem...

[Lucas Bern]

I would like to get a null pointer exception or a can not set bean to null 
when my list is null... 
 
I use to solve this kind of problem with html:options and 
html:optionsCollection but what i have to do in this page is very complex for 
this tags...
 
thanks for your answer Erik
Lucas

Erik Weber [EMAIL PROTECTED] wrote:
I think your List reference is probably null.

Also, have you looked at html:options and html:optionsCollection?

Erik



Lucas Bern wrote:

Hi all...

I get this exception trying to render options with logic iterate tag...

javax.servlet.jsp.JspException: Cannot create iterator for this collection

My action just get a List form a Srevice layer and store it in session scope 
under Globales.AreaPersonal.MODULOS_KEY.











i wish someone help me...

thanks!

Lucas



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Re: logic:iterate problem...

[Erik Weber]

Hmm I didn't even notice that.
However, this is the section of code that throws that Exception (from 
1.2.4 src):

   /**
* Construct an iterator for the specified collection, and begin
* looping through the body once per element.
*
* @exception JspException if a JSP exception has occurred
*/
   public int doStartTag() throws JspException {
   // Acquire the collection we are going to iterate over
   Object collection = this.collection;
   if (collection == null) {
   collection = TagUtils.getInstance().lookup(pageContext, 
name, property, scope);
   }

   if (collection == null) {
   JspException e = new 
JspException(messages.getMessage(iterate.collection));
   TagUtils.getInstance().saveException(pageContext, e);
   throw e;
   }

So I'm not sure.
Erik

Michael Jouravlev wrote:
Looks like you are trying to iterate over string.
How about this:
logic:iterate id=modulo 
 collection='%=(List)
session.getAttribute(Globales.AreaPersonal.MODULOS_KEY)%' 

Michael.
On 4/21/05, Lucas Bern [EMAIL PROTECTED] wrote:
 

Hi all...
I get this exception trying to render options with logic iterate tag...
javax.servlet.jsp.JspException: Cannot create iterator for this collection
My action just get a List form a Srevice layer and store it in session scope 
under Globales.AreaPersonal.MODULOS_KEY.
logic:iterate id=modulo collection='%=Globales.AreaPersonal.MODULOS_KEY%' 
option value='%=((Contenible)modulo).getId()%' 
%=((Contenible)modulo).getNombre()+  -  + ((Contenible)modulo).getTitulo()%
/option
/logic:iterate
i wish someone help me...
thanks!
Lucas
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Re: logic:iterate problem...

[Jeff Beal]

From http://struts.apache.org/userGuide/struts-logic.html#iterate:

collection: A runtime expression that evaluates to a collection

%=Globales.AreaPersonal.MODULOS_KEY% probably evaluates to a String.

What you need is

name='%=Globales.AreaPersonal.MODULOS_KEY%'

On 4/21/05, Lucas Bern [EMAIL PROTECTED] wrote:
 
 My action just get a List form a Srevice layer and store it in session scope 
 under Globales.AreaPersonal.MODULOS_KEY.
 
 logic:iterate id=modulo collection='%=Globales.AreaPersonal.MODULOS_KEY%'

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Re: logic:iterate problem...

[Lucas Bern]

Great!
it works fine...
thanks Jeff and Erik.
Lucas

Jeff Beal [EMAIL PROTECTED] wrote:
From http://struts.apache.org/userGuide/struts-logic.html#iterate:

collection: A runtime expression that evaluates to a collection

probably evaluates to a String.

What you need is

name=''

On 4/21/05, Lucas Bern wrote:
 
 My action just get a List form a Srevice layer and store it in session scope 
 under Globales.AreaPersonal.MODULOS_KEY.
 
  

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problem with logic:iterate

[Kade Jeevan Kumar]

Hi
 
i have

   for(int i=0; i vec.size(); i++)
{ 
  if(i=5)   
   {
  // do some thing
   }
  
  }
 
how can i use the same code in logice:iterate
Help me out with example.
 
-Thnx in Advance
Jeevan

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logic:iterate, with offset and length parameters, lose data

[Oscar]

Hi, I am using a logic:iterate tag throw a Collection. This collection is a 
property of my ActionForm.
I set also an offset and length.

So, shown elements work fine, but not shown elements are just null. I would not 
like to lose data of the not shown elements of the collection.

I dont know how to use html:hidden for my purposes, because I think this only 
can be used for a property.

Any help?
Thanks in advance

Oscar Cristobal


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RE: logic:iterate, with offset and length parameters, lose data

[Abdullah Jibaly]

Suggestions:

1- Use c:forEach instead of logic:iterate
2- Use a seperate property in your form to store the viewable/changeable stuff,
for example if you have a collection of strings, you can have an array 
of strings be
your viewable/editable property. This will cut down on network traffic 
and make
debugging much easier.

Otherwise you can do it as you mentioned with hidden fields:

c:forEach items=formName.collectionProperty var=item varStatus=s
c:if test=${s.index = offset and s.index  offset + length} 
var=displayable
html:input property=collectionProperty value=${item} /
/c:if
c:if test=${not displayable}html:hidden 
property=collectionProperty value=${item} //c:if
/c:forEach

Regards,
Abdullah

-Original Message-
From: Oscar [mailto:[EMAIL PROTECTED]
Sent: Wednesday, April 20, 2005 5:23 AM
To: user@struts.apache.org
Subject: logic:iterate, with offset and length parameters, lose data


Hi, I am using a logic:iterate tag throw a Collection. This collection is a 
property of my ActionForm.
I set also an offset and length.

So, shown elements work fine, but not shown elements are just null. I would not 
like to lose data of the not shown elements of the collection.

I dont know how to use html:hidden for my purposes, because I think this only 
can be used for a property.

Any help?
Thanks in advance

Oscar Cristobal


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RE: logic:iterate, with offset and length parameters, lose data

[Abdullah Jibaly]

that html:input is a mistake, it should be html:text

-Original Message-
From: Oscar [mailto:[EMAIL PROTECTED]
Sent: Wednesday, April 20, 2005 5:23 AM
To: user@struts.apache.org
Subject: logic:iterate, with offset and length parameters, lose data


Hi, I am using a logic:iterate tag throw a Collection. This collection is a 
property of my ActionForm.
I set also an offset and length.

So, shown elements work fine, but not shown elements are just null. I would not 
like to lose data of the not shown elements of the collection.

I dont know how to use html:hidden for my purposes, because I think this only 
can be used for a property.

Any help?
Thanks in advance

Oscar Cristobal


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RE: logic:iterate, with offset and length parameters, lose data

[Abdullah Jibaly]

Also, the items attribute should be enclosed in ${} as:

c:forEach items=${formName.collectionProperty} var=item varStatus=s
c:if test=${s.index = offset and s.index  offset + length} 
var=displayable
html:text property=collectionProperty value=${item} /
/c:if
c:if test=${not displayable}html:hidden 
property=collectionProperty value=${item} //c:if
/c:forEach

-Original Message-
From: Oscar [mailto:[EMAIL PROTECTED]
Sent: Wednesday, April 20, 2005 5:23 AM
To: user@struts.apache.org
Subject: logic:iterate, with offset and length parameters, lose data


Hi, I am using a logic:iterate tag throw a Collection. This collection is a 
property of my ActionForm.
I set also an offset and length.

So, shown elements work fine, but not shown elements are just null. I would not 
like to lose data of the not shown elements of the collection.

I dont know how to use html:hidden for my purposes, because I think this only 
can be used for a property.

Any help?
Thanks in advance

Oscar Cristobal


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logic:iterate and field indices

[Andre Bonhote]

Hi!
I am quite new to Struts and to java, but I god hooked (former addicted 
perl programmer). Please keep this in mind before newbie-bashing me ;-)

In my project, I have some application wide settings, launched using 
web.xml's load-on-startup1/load-on-startup thing. This loaded class 
populates some attributes with values for later use. One of the 
attributes for example is holding a String[].

Now, in the jsp, I have this:
logic:iterate id=element name=showFacilitiesArray
bean:write name=element /br /
/logic:iterate
This works fine so far, but because I'd like to put that into a select 
form, I would like to go one step further: How do I print out the index 
of the current field?

I mean, I could do it in a scriptlet with a simple for loop, printing 
the i each time, but actually I would appreciate no scriptlets at all.

Any hints here? Unfortunately it's not that easy to google for that kind 
of information :-/

Thanks in advance!
André

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AW: logic:iterate and field indices

[Leon Rosenberg]

indexId will do
http://struts.apache.org/userGuide/struts-logic.html#iterate

select name=... 
 logic:iterate id=element name=showFacilitiesArray indexId=index
 option value=bean:write name=index/bean:write
name=element//option
/logic:iterate 
/select

You may also want to look at html:options and html:optionsCollection

This would make above code a two-liner, and work with action forms.

Regards
Leon

 -Ursprüngliche Nachricht-
 Von: news [mailto:[EMAIL PROTECTED] Im Auftrag von Andre Bonhote
 Gesendet: Mittwoch, 6. April 2005 13:21
 An: user@struts.apache.org
 Betreff: logic:iterate and field indices
 
 Hi!
 
 I am quite new to Struts and to java, but I god hooked 
 (former addicted perl programmer). Please keep this in mind 
 before newbie-bashing me ;-)
 
 In my project, I have some application wide settings, 
 launched using web.xml's load-on-startup1/load-on-startup 
 thing. This loaded class populates some attributes with 
 values for later use. One of the attributes for example is 
 holding a String[].
 
 Now, in the jsp, I have this:
 
 logic:iterate id=element name=showFacilitiesArray
  bean:write name=element /br / /logic:iterate
 
 This works fine so far, but because I'd like to put that into 
 a select form, I would like to go one step further: How do 
 I print out the index of the current field?
 
 I mean, I could do it in a scriptlet with a simple for loop, 
 printing the i each time, but actually I would appreciate no 
 scriptlets at all.
 
 Any hints here? Unfortunately it's not that easy to google 
 for that kind of information :-/
 
 Thanks in advance!
 
 André
 
 
 
 
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AW: logic:iterate and field indices

[Leon Rosenberg]

indexId will do
http://struts.apache.org/userGuide/struts-logic.html#iterate

select name=... 
 logic:iterate id=element name=showFacilitiesArray indexId=index
 option value=bean:write name=index/bean:write
name=element//option
/logic:iterate 
/select

You may also want to look at html:options and html:optionsCollection

This would make above code a two-liner, and work with action forms.

Regards
Leon

 -Ursprüngliche Nachricht-
 Von: news [mailto:[EMAIL PROTECTED] Im Auftrag von Andre Bonhote
 Gesendet: Mittwoch, 6. April 2005 13:21
 An: user@struts.apache.org
 Betreff: logic:iterate and field indices
 
 Hi!
 
 I am quite new to Struts and to java, but I god hooked 
 (former addicted perl programmer). Please keep this in mind 
 before newbie-bashing me ;-)
 
 In my project, I have some application wide settings, 
 launched using web.xml's load-on-startup1/load-on-startup 
 thing. This loaded class populates some attributes with 
 values for later use. One of the attributes for example is 
 holding a String[].
 
 Now, in the jsp, I have this:
 
 logic:iterate id=element name=showFacilitiesArray
  bean:write name=element /br / /logic:iterate
 
 This works fine so far, but because I'd like to put that into 
 a select form, I would like to go one step further: How do 
 I print out the index of the current field?
 
 I mean, I could do it in a scriptlet with a simple for loop, 
 printing the i each time, but actually I would appreciate no 
 scriptlets at all.
 
 Any hints here? Unfortunately it's not that easy to google 
 for that kind of information :-/
 
 Thanks in advance!
 
 André
 
 
 
 
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 To unsubscribe, e-mail: [EMAIL PROTECTED]
 For additional commands, e-mail: [EMAIL PROTECTED]
 
 



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Re: AW: logic:iterate and field indices

[Andre Bonhote]

Hi Leon
Leon Rosenberg wrote:
indexId will do
http://struts.apache.org/userGuide/struts-logic.html#iterate
Been there, but somehow didn't get what it was about ... closer now.
select name=... 
 logic:iterate id=element name=showFacilitiesArray indexId=index
 option value=bean:write name=index/bean:write
name=element//option
/logic:iterate 
/select
Yeehaa! Thanks a lot!
You may also want to look at html:options and html:optionsCollection
Will do that.
This would make above code a two-liner, and work with action forms.
Hm ... Could you describe the latter? I am using a form bean specified 
in struts-config.xml and that works perfectly for other fields (like 
html:text). Is there something wrong with it?

Cheers
André
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Re: I look for an example of LOGIC:ITERATE that iterates over an ARRAY

[Jan-Jaap Endenburg - Vera]

Thank you Günther, for your help:
Now it works fine!
Jan-Jaap
Günther Wieser wrote:
i think the example in the docs shows you almost everything:
logic:iterate id=element name=myhashtable
Next element is bean:write name=element property=value/
/logic:iterate 

all you need to do is drop the property attribute as an array doesn't have
properties. then it should work fine.
so this is an array version:
logic:iterate id=element name=myArray
Next element in array is bean:write name=element /
/logic:iterate 

kr,
guenther
--
Günther Wieser
creative-it
Guglgasse 6/1/11/1
A-1110 Wien
Austria
http://www.creative-it.com
-Original Message-
From: Jan-Jaap Endenburg - Vera [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, March 29, 2005 1:50 PM
To: Struts Users Mailing List
Subject: I look for an example of LOGIC:ITERATE that iterates over an ARRAY

Hi everyone,
I look for an example of logic:iterate that iterates over an array (of
strings):
I am not sure how to display these array-values in my jsp-page: should this
be done with bean:write?
If so: what should I fill for name  property?
Thanks for your help!
Jan-Jaap
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logic:iterate Question

[Mike Darretta]

Folks,
Thanks in advance for answering this urgent question. I know it's basic, but 
I'm stumped...your help is appreciated.
I am trying to update data displayed via a logic:iterate tag with nested 
logic:equal tags:
   logic:iterate id=bean name=assetReportForm property=report.entries scope=session
  type=package.name.AssetReportEntryValue
   logic:equal name=bean property=level.name 
value=Level 1
   logic:equal name=bean property=classification.name 
value=Unclassified
   tdhtml:text name=bean property=numCorrected indexed=true size=5//td
   /logic:equal
   /logic:equal
   /logic:iterate

Whenever I submit the updated form, I expect the 
'report.entries[x].numCorrected' bean property to be updated. Instead, the 
original property value is maintained.
I tried setting the bean name to assetReportForm.report, but got the infamous 
Cannot find bean in any scope error.
Any help is appreciated.
Thanks,
Mike

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nested arraylist on nested logic:iterate help

[Richard Reyes]

Hello Guys,

Please help.

I need to access an arraylist property inside the arraylist that I
have just iterated over.

I got this code .


logic:iterate name=%= Konstants.SESSION_USER_KEY %
property=originatingHosts id=ohosts
tr
td class=columnHeaderOriginating Hosts : /td
td class=valuesbean:write name=ohosts
property=hostname//td
/tr
tr
td class=columnHeaderExchanges : /td
td class=values
/td
/tr
/logic:iterate


Please note that originatingHosts is an arraylist. Now this has a
property of exchanges which
is also an arraylist. I need to display the desc property of every
exchange object in this
exchanges arraylist.

Thanks in advance.

Richard

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problem with logic:iterate

[Jonathan M Z]

hi folks,
I am trying to iterate a through a Vector of object of
class Project where project has getter and setter
getDescription(),setDescription(),etc
In the jsp page I first created bean of name bar.
Vector v=new Vector();
Project p1=new Project();
p1.setName(project1);
p1.setDescription(des);   
pageContext.setAttribute(bar,v,PageContext.PAGE_SCOPE);

then trying to iterate over bar
logic:iterate id=element name=bar
bean:write name=element/
/logic:iterate




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Re: problem with logic:iterate

[Eric Lemle]

I think this is what you are looking for

logic:iterate name=myVector id=myProject indexId=i
 bean:define id=mydescription name=myProject
property=description /
bean:write name=mydescription/
/logic:iterate

-Eric



 [EMAIL PROTECTED] 3/2/2005 12:09:49 PM 
hi folks,
I am trying to iterate a through a Vector of object of
class Project where project has getter and setter
getDescription(),setDescription(),etc
In the jsp page I first created bean of name bar.
Vector v=new Vector();
Project p1=new Project();
p1.setName(project1);
p1.setDescription(des);   
pageContext.setAttribute(bar,v,PageContext.PAGE_SCOPE);

then trying to iterate over bar
logic:iterate id=element name=bar

/logic:iterate




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Re: Resolved problem with logic:iterate

[Jonathan M Z]

Ok it's a trivial mistake, didn't actually put
anything in the Vector. 

--- Jonathan M Z [EMAIL PROTECTED] wrote:

 hi folks,
 I am trying to iterate a through a Vector of object
 of
 class Project where project has getter and setter
 getDescription(),setDescription(),etc
 In the jsp page I first created bean of name bar.
 Vector v=new Vector();
 Project p1=new Project();
 p1.setName(project1);
 p1.setDescription(des); 

pageContext.setAttribute(bar,v,PageContext.PAGE_SCOPE);
 
 then trying to iterate over bar
 logic:iterate id=element name=bar
 bean:write name=element/
 /logic:iterate
 
 
   
   
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Re: problem with logic:iterate

[Jonathan M Z]

thanks I am running into a related problem with radio
buttons:

logic:iterate id=element name=bar

html:radio idName=element value=name
property=pName

/html:radio

/logic:iterate
when rendered it says:
[ServletException in:/calc/ProjectManagerMain.jsp]
Cannot find bean under name
org.apache.struts.taglib.html.BEAN' 
What's wrong?
thanks


--- Eric Lemle [EMAIL PROTECTED] wrote:

 I think this is what you are looking for
 
 logic:iterate name=myVector id=myProject
 indexId=i
  bean:define id=mydescription name=myProject
 property=description /
 bean:write name=mydescription/
 /logic:iterate
 
 -Eric
 
 
 
  [EMAIL PROTECTED] 3/2/2005 12:09:49 PM
 
 hi folks,
 I am trying to iterate a through a Vector of object
 of
 class Project where project has getter and setter
 getDescription(),setDescription(),etc
 In the jsp page I first created bean of name bar.
 Vector v=new Vector();
 Project p1=new Project();
 p1.setName(project1);
 p1.setDescription(des); 

pageContext.setAttribute(bar,v,PageContext.PAGE_SCOPE);
 
 then trying to iterate over bar
 logic:iterate id=element name=bar
 
 /logic:iterate
 
 
   
   
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Re: problem with logic:iterate

[Eric Lemle]

Is bar in the session?

 [EMAIL PROTECTED] 3/2/2005 12:45:03 PM 
thanks I am running into a related problem with radio
buttons:

logic:iterate id=element name=bar

html:radio idName=element value=name
property=pName

/html:radio

/logic:iterate
when rendered it says:
[ServletException in:/calc/ProjectManagerMain.jsp]
Cannot find bean under name
org.apache.struts.taglib.html.BEAN' 
What's wrong?
thanks


--- Eric Lemle [EMAIL PROTECTED] wrote:

 I think this is what you are looking for
 
 logic:iterate name=myVector id=myProject
 indexId=i
  bean:define id=mydescription name=myProject
 property=description /
 bean:write name=mydescription/
 /logic:iterate
 
 -Eric
 
 
 
  [EMAIL PROTECTED] 3/2/2005 12:09:49 PM
 
 hi folks,
 I am trying to iterate a through a Vector of object
 of
 class Project where project has getter and setter
 getDescription(),setDescription(),etc
 In the jsp page I first created bean of name bar.
 Vector v=new Vector();
 Project p1=new Project();
 p1.setName(project1);
 p1.setDescription(des); 

pageContext.setAttribute(bar,v,PageContext.PAGE_SCOPE);
 
 then trying to iterate over bar
 logic:iterate id=element name=bar
 
 /logic:iterate
 
 
   
   
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Re: problem with logic:iterate

[Jonathan M Z]

pageContext.setAttribute(bar,projects,PageContext.PAGE_SCOPE);
it's an attribute in the page scope, not session, does
it have to be in a session?  I am only using it for
the current page...

--- Eric Lemle [EMAIL PROTECTED] wrote:

 Is bar in the session?
 
  [EMAIL PROTECTED] 3/2/2005 12:45:03 PM
 
 thanks I am running into a related problem with
 radio
 buttons:
 
 logic:iterate id=element name=bar
   
 html:radio idName=element value=name
 property=pName
   
 /html:radio
   
 /logic:iterate
 when rendered it says:
 [ServletException in:/calc/ProjectManagerMain.jsp]
 Cannot find bean under name
 org.apache.struts.taglib.html.BEAN' 
 What's wrong?
 thanks
 
 
 --- Eric Lemle [EMAIL PROTECTED] wrote:
 
  I think this is what you are looking for
  
  logic:iterate name=myVector id=myProject
  indexId=i
   bean:define id=mydescription name=myProject
  property=description /
  bean:write name=mydescription/
  /logic:iterate
  
  -Eric
  
  
  
   [EMAIL PROTECTED] 3/2/2005 12:09:49 PM
  
  hi folks,
  I am trying to iterate a through a Vector of
 object
  of
  class Project where project has getter and setter
  getDescription(),setDescription(),etc
  In the jsp page I first created bean of name bar.
  Vector v=new Vector();
  Project p1=new Project();
  p1.setName(project1);
  p1.setDescription(des);   
 

pageContext.setAttribute(bar,v,PageContext.PAGE_SCOPE);
  
  then trying to iterate over bar
  logic:iterate id=element name=bar
  
  /logic:iterate
  
  
  
  
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Pass logic:iterate bean into tile problem?

[Jason Long]

I have been trying to do the following in my layout with out success.

 

  tiles:importAttribute/

  html:xhtml/

logic:iterate id=shipment name=pipePurchaseOrderForm
property=pipePurchaseOrderValue.shipments indexId=row

  tiles:insert attribute=shipment/

/logic:iterate

 

But I am forced to use jsp:directive.include file because I cannot get
importAttribute and useAttribute set up correctly.  How can pass the
shipment bean to the page fragment by using tiles and not the jsp:directive
:include?

 

  tiles:importAttribute/

  html:xhtml/

logic:iterate id=shipment name=pipePurchaseOrderForm
property=pipePurchaseOrderValue.shipments indexId=row

  jsp:directive.include file=shipmentData.jsp/

/logic:iterate

 

Thank you for your time,

 

Jason Long

CEO and Chief Software Engineer Supernova Software

BS Physics, MS Chemical Engineering 

 

 

 

 

Pass logic:iterate bean into tile problem?

[Jason Long]

I have been trying to do the following in my layout with out success.

 

  tiles:importAttribute/

  html:xhtml/

logic:iterate id=shipment name=pipePurchaseOrderForm
property=pipePurchaseOrderValue.shipments indexId=row

  tiles:insert attribute=shipment/

/logic:iterate

 

But I am forced to use jsp:directive.include file because I cannot get
importAttribute and useAttribute set up correctly.  How can pass the
shipment bean to the page fragment by using tiles and not the jsp:directive
:include?

 

  tiles:importAttribute/

  html:xhtml/

logic:iterate id=shipment name=pipePurchaseOrderForm
property=pipePurchaseOrderValue.shipments indexId=row

  jsp:directive.include file=shipmentData.jsp/

/logic:iterate

 

Thank you for your time,

 

Jason Long

CEO and Chief Software Engineer Supernova Software

BS Physics, MS Chemical Engineering 

 

 

 

 

Re: Pass logic:iterate bean into tile problem?

[Kishore Senji]

  tiles:insert attribute=shipment/
 

Are you trying to pass shipment object (which comes from the
logic:iterate) to the tile page (through insert) ? If so try,

tiles:insert definition=abc
  put name=shipment value=%=shipment%/
/tiles:insert

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Re: error with logic:iterate on dynabeans

[Olasoji Ajayi]

After going thru some source codes in the struts package, i discovered that 
the problem hat to do with formating, the last two colums of my table are 
DATE formats which translated to java.sql.date type in java. the bean taglib 
was looking for a resource ot determine how to format the data on those 
fields but since i did not create any resource configurations, it was 
looking for what was not there. i had to hard code a format on the 
bean:write tag using the format attribute. i dont think this is a neat idea 
especially for beginers like me who want to whip up a working application 
with as little advanced configurations as possible so we can learn one thing 
at a time, (resource bundles/intenationalizatin, jdbc, etc) and still get 
struts to give us some workable defaults.
- Original Message - 
From: Olasoji Ajayi [EMAIL PROTECTED]
To: struts user mailing list user@struts.apache.org
Sent: Tuesday, January 04, 2005 9:18 AM
Subject: error with logic:iterate on dynabeans

i get the following error when i run a web application to display the 
contents of a table.


HTTP Status 500 -

type Exception report
message
description The server encountered an internal error () that prevented it 
from fulfilling this request.

exception
javax.servlet.ServletException: Cannot find message resources under key 
org.apache.struts.action.MESSAGE
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:867) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:800) org.apache.jsp.formFile_jsp._jspService(formFile_jsp.java:238) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:305) org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056) org.apache.struts.action.RequestProcessor.internalModuleRelativeForward(RequestProcessor.java:994) org.apache.struts.action.RequestProcessor.processForward(RequestProcessor.java:553) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:211) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1158) org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415) javax.servlet.http.HttpServlet.service(HttpServlet.java:763) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:305) org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056) org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1158) org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415) javax.servlet.http.HttpServlet.service(HttpServlet.java:763) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:305)root causejavax.servlet.jsp.JspException: Cannot find message resources under keyorg.apache.struts.action.MESSAGE org.apache.struts.taglib.TagUtils.retrieveMessageResources(TagUtils.java:1233) org.apache.struts.taglib.TagUtils.message(TagUtils.java:1082) org.apache.struts.taglib.TagUtils.message(TagUtils.java:1057) org.apache.struts.taglib.bean.WriteTag.retrieveFormatString(WriteTag.java:256) org.apache.struts.taglib.bean.WriteTag.formatValue(WriteTag.java:362) org.apache.struts.taglib.bean.WriteTag.doStartTag(WriteTag.java:234) org.apache.jsp.formFile_jsp._jspService(formFile_jsp.java:195) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:305) org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056) org.apache.struts.action.RequestProcessor.internalModuleRelativeForward(RequestProcessor.java:994) org.apache.struts.action.RequestProcessor.processForward(RequestProcessor.java:553) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:211) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1158

error with logic:iterate on dynabeans

[Olasoji Ajayi]

 is available in the Tomcat logs.




Apache Tomcat/5.0.19


 

below is the code i want to use to display the content of a database table.  
the rowSet attribute is a RowSetDynaClass containing the result of the query.

bean:define id=cols name=rowSet property=dynaProperties/
   table border=2
 tr
   logic:iterate id=col name=cols
 thbean:write name=col property=name//th
   /logic:iterate
 /tr
 logic:iterate id=row name=rowSet property=rows
   tr
 logic:iterate id=col name=cols
   td  
 bean:write name=row property=%= ((DynaProperty)col).getName() 
%/
   /td
 /logic:iterate
   /tr
 /logic:iterate
   /table

when i replace the %= ((DynaProperty)col).getName()%   with one of the values 
of the column, the program runs correctly (i.e. the entire table is populated 
with the values of the column as expected). why is it not working and if it 
can't what other method can i use to dynamicaly generate the property value for 
the tag

Re: How to use logic:iterate with DynaValidatorForm

[Robert Taylor]

Struts has built in support for DynaBeans.

logic:iterate 
   id=account 
   name=editBUForm
   property=account

...

/logic:iterate

/robert

--- [EMAIL PROTECTED] wrote:

 - struts-config.xml
 
   form-beans
 form-bean name=editBUForm 

type=org.apache.struts.validator.DynaValidatorForm
   form-property name=account
 type=com.psca.M28000.bo.Account[]/
 /form-bean
   /form-beans
 
   action-mappings
 action name=editBUForm
 path=/EditBUOnLoadAction scope=session 
 type=com.psca.M28000.action.EditBUOnLoadAction
 validate=false
   forward name=ok path=/frmEditBU.jsp/
 /action
 action name=editBUForm
 path=/EditBUOnSubmitAction 
 input=/frmEditBU.jsp scope=session 
 type=com.psca.M28000.action.EditBUOnSubmitAction
 validate=true/
   /action-mappings
 
 - EditBUOnLoadAction.java
 DynaValidatorForm df = (DynaValidatorForm)
 form;
 Set acc = bu.getAccounts();
  
 Account[] account = new Account[acc.size()];
 int i = 0;
 for(Iterator ite = acc.iterator();
 ite.hasNext(); i++) {
 account[i] = (Account)ite.next();
 }
  
 df.set(account, account);
 
 - jsp page
 logic:iterate id=account
 name=editBUForm.map.Account
   tr
 td align=center style=border-left:1px
 #8FA8CC solid
   bean:write name=account
 property=accCode scope=page/
 /td
 td style=border-left:1px #8FA8CC solid;
 padding-left:2px
   bean:write name=account
 property=createdDt scope=page/
 /td
   /tr
   /logic:iterate
 
 When I run the jsp page, I receive error Cannot
 find bean 
 editBUForm.map.Account in any scope
 
 Could you show me how to use logic:iterate to loop
 through Account[] of 
 form.
 
 I saw an example using standard taglib to do that
 html:form action=/processActorComments 
 table border=1 width=80%
 trthLast Name/ththFirst
 Name/ththDate of 
 Birth/ththComment/th/tr
 c:forEach var=people
 items=${dynamicArrayForm.map.people}
 trtdc:out
 value=${people.lastName}//td
 tdc:out
 value=${people.firstName}//td
 tdc:out
 value=${people.dateOfBirth}//td
 tdhtml:text name=people
 indexed=true 
 property=comment//td
 /tr
 /c:forEach
 /table
 P/
 html:submit value=Update Comments/ 
 /html:form
 
 But I am using servlet 2.2, so that I cannot use
 standard taglib.
 
 Any help is much appreciated.
 
 Regards,
 Dang Minh Phuong
 

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Problem with logic:iterate and HashMap

[Peter Neu]

Hello all,
I have a problem with the logic:iterate tag. I need to iterate over a
HashMap which stores wrapper objects(which include the actual data).
A wrapper class has for example one attribute velocity. As far
as I know the only way to access such a HashMap is this method:
 logic:iterate id=element name=hashMap indexId=index
bean:write name=element property=key /
bean:write name=element property=value /
 /logic:iterate
Is there any way to get the velocity attribute out of the wrapper class?
Regards,
Peter
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Re: Problem with logic:iterate and HashMap

[Sunny]

logic:iterate id=element name=hashMap indexId=index
   bean:define id = vObj  name=element property=value /
   bean:write name = vObj property = velocity /
/logic:iterate
Peter Neu wrote:
Hello all,
I have a problem with the logic:iterate tag. I need to iterate over a
HashMap which stores wrapper objects(which include the actual data).
A wrapper class has for example one attribute velocity. As far
as I know the only way to access such a HashMap is this method:
 logic:iterate id=element name=hashMap indexId=index
bean:write name=element property=key /
bean:write name=element property=value /
 /logic:iterate
Is there any way to get the velocity attribute out of the wrapper 
class?

Regards,
Peter
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How to use logic:iterate with DynaValidatorForm

[dangmp]

- struts-config.xml

  form-beans
form-bean name=editBUForm 
type=org.apache.struts.validator.DynaValidatorForm
  form-property name=account type=com.psca.M28000.bo.Account[]/
/form-bean
  /form-beans

  action-mappings
action name=editBUForm path=/EditBUOnLoadAction scope=session 
type=com.psca.M28000.action.EditBUOnLoadAction validate=false
  forward name=ok path=/frmEditBU.jsp/
/action
action name=editBUForm path=/EditBUOnSubmitAction 
input=/frmEditBU.jsp scope=session 
type=com.psca.M28000.action.EditBUOnSubmitAction validate=true/
  /action-mappings

- EditBUOnLoadAction.java
DynaValidatorForm df = (DynaValidatorForm) form;
Set acc = bu.getAccounts();
 
Account[] account = new Account[acc.size()];
int i = 0;
for(Iterator ite = acc.iterator(); ite.hasNext(); i++) {
account[i] = (Account)ite.next();
}
 
df.set(account, account);

- jsp page
logic:iterate id=account name=editBUForm.map.Account
  tr
td align=center style=border-left:1px #8FA8CC solid
  bean:write name=account property=accCode scope=page/
/td
td style=border-left:1px #8FA8CC solid; padding-left:2px
  bean:write name=account property=createdDt scope=page/
/td
  /tr
  /logic:iterate

When I run the jsp page, I receive error Cannot find bean 
editBUForm.map.Account in any scope

Could you show me how to use logic:iterate to loop through Account[] of 
form.

I saw an example using standard taglib to do that
html:form action=/processActorComments 
table border=1 width=80%
trthLast Name/ththFirst Name/ththDate of 
Birth/ththComment/th/tr
c:forEach var=people items=${dynamicArrayForm.map.people}
trtdc:out value=${people.lastName}//td
tdc:out value=${people.firstName}//td
tdc:out value=${people.dateOfBirth}//td
tdhtml:text name=people indexed=true 
property=comment//td
/tr
/c:forEach
/table
P/
html:submit value=Update Comments/ 
/html:form

But I am using servlet 2.2, so that I cannot use standard taglib.

Any help is much appreciated.

Regards,
Dang Minh Phuong

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Re: Help : creating dynamic styleId inside Logic:iterate

[Aidas Semezys]

It is not allowed to have just part of attribute value as JSP expression.
Here is the correct solution:
html:text name=iType styleId=%=sp + iterator% property=sharesPer/

Peace,
Aidas

sachin [EMAIL PROTECTED] wrote:
 I have a jsp page in which i have a loop and a text field inside it.
 Now to create a dynamic styleid i have used the following code..
 
 but when this code executes , it does not print the actual value of itrator .
 It should give  styleId=sp0 , styleId=sp1 , styleId=sp2 likewise ..
 but it prints simply  ' styleId=sp% = itrator % '  for all the fields .
 
 can someone provide a solution to create dynamic styleId ... ?
 
 % int itrator=0; %
 logic:iterate id=iType property=investorTypeList name=sharePatternBean
 html:text name=iType styleId=sp% = itrator % property=sharesPer
 readonly=true /
 %itrator++;%
 /logic:iterate
 
 Regards,
 Sachin Hegde,
 Software Developer,
 Paradyne Infotech Limited,
 Mumbai
 022-38546711
 
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Re: Help : creating dynamic styleId inside Logic:iterate

[Derek Broughton]

On Monday 29 November 2004 14:27, Aidas Semezys wrote:
 It is not allowed to have just part of attribute value as JSP expression.
 Here is the correct solution:
 html:text name=iType styleId=%=sp + iterator%
 property=sharesPer/

Thanks!  That solved a problem I was about to ask ...
-- 
derek

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Help : creating dynamic styleId inside Logic:iterate

[sachin]

I have a jsp page in which i have a loop and a text field inside it.
Now to create a dynamic styleid i have used the following code..

but when this code executes , it does not print the actual value of itrator .
It should give  styleId=sp0 , styleId=sp1 , styleId=sp2 likewise ..
but it prints simply  ' styleId=sp% = itrator % '  for all the fields .

can someone provide a solution to create dynamic styleId ... ?

% int itrator=0; %
logic:iterate id=iType property=investorTypeList name=sharePatternBean
html:text name=iType styleId=sp% = itrator % property=sharesPer 
readonly=true /
%itrator++;%
/logic:iterate

Regards,
Sachin Hegde,
Software Developer,
Paradyne Infotech Limited,
Mumbai
022-38546711

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Problem with logic:iterate with DynaValidatorForm in Struts1.1

[selva raj]

Hi,
I am unable to iterate an ArrayList while using
struts1.1 with DynaValidatorForm. Has any one tried
it? I am getting the following error in WSAD 5.1...

[04/11/17 14:31:41:915 IST] 54f64cef WebGroup  E
SRVE0026E: [Servlet Error]-[Cannot find bean
ProductLines in any scope]:
javax.servlet.jsp.JspException: Cannot find bean
ProductLines in any scope

Note: I have seen some examples using Form Bean
classes but here I don't have any Form Bean since its
a DynaValidatorForm

thanks in advance.

-selva.





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Tooltip with logic:iterate tag

[Heligon Sandra]

Hi,

I have a table in my application that I display through the 
logic:iterate Struts tag,
One of the column contents a long text, I would like to add a 'Tooltip' 
in order
to view the whole text, is it possible ?

Thanks a lot in advance

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RE: html:text in logic:iterate

[Girish Kumar K. P.]

Hi,
What I understood was like this:
You have a logic:iterate tag
Inside that you have the text field tag.

Corresponding to the Logic:iterate you must be having a for loop inside
the form population method in your action.
There you will be populating the value from the said bean 
(in the bean you will be having list I suppose, from which you extract
the corresponding entry to display in the logic:iterate)
to the corresponding form field in the form bean.

I also had the same problem sometime back.
I did the way I suggested and it worked.
That's why I suggested this way.

Regards,
Girish


-Original Message-
From: Sebastian Ho [mailto:[EMAIL PROTECTED] 
Sent: Thursday, November 04, 2004 12:45 PM
To: Struts Users Mailing List
Subject: RE: html:text in logic:iterate

How do I populate it in the Action if I need to iterate through the
ActionForms in my JSP?

I am thinking that it is just an issue of getting around the parser. In
other instance I have, just adding quotes here and there to 'fool' the
parser solves my problems. e.g. I can have a bean:write tag inside a
hidden tag..

Sebastian



On Thu, 2004-11-04 at 15:09, Girish Kumar K. P. wrote:
 Anyway , the value if u give the value attribute, the values 
 populated into the form bean from the action will not be displayed. 
 Text field will diplay  bean:write name=mymobilephaseloadings 
 property=percentage/ So, poipulate the form bean at the action . 
 That's it Dopn't give the value attribute.
 It will work
 
 -Original Message-
 From: Sebastian Ho [mailto:[EMAIL PROTECTED]
 Sent: Thursday, November 04, 2004 12:34 PM
 To: Struts Users Mailing List
 Subject: RE: html:text in logic:iterate
 
 The user is actually editing some data that is already saved. So I 
 need the data to be displayed in the textbox (form).
 
 sebastian
 
 
 On Thu, 2004-11-04 at 14:52, Girish Kumar K. P. wrote:
  U shouldn't give the value attribute there. The value would be read 
  from the form
  
  Regards,
  Girish
  
  -Original Message-
  From: Sebastian Ho [mailto:[EMAIL PROTECTED]
  Sent: Thursday, November 04, 2004 12:18 PM
  To: Struts Users Mailing List
  Subject: html:text in logic:iterate
  
  Hi
  
  I have a iterate tag which contains a text box. I wish to display 
  value in the textbox. But this line in the JSP couldnt get through 
  the
 
  parsing.
  html:text property=percentage size=10
  value=bean:write name=mymobilephaseloadings
  property=percentage//
  
  Anyone knoww how to get around this?
  
  Thanks
  
  Sebastian Ho
  
  
  -
  
  logic:iterate id=mymobilephaseloadings name=mobilephaseloadings
  scope=session
tr bgcolor=#CC
html:form action=EditLCMSMSGradientStepByIdentifier.do
  td
bean:write name=mymobilephaseloadings
  property=gradientStepTime/
  /td
  td
  html:text property=percentage size=10
  value=bean:write name=mymobilephaseloadings
  property=percentage//
  /td
  td
  html:cancel property=action value=Save
  bean:message key=button.save/
/html:cancel  
  /td
  html:hidden property=page
  value=displaygradientstepbyidentifier/
  /html:form
/tr
  /logic:iterate
  
  
  
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RE: html:text in logic:iterate

[Sebastian Ho]

Hi

Thanks all for the suggestion.

This way works and I am going with it.

input type=text value=bean:write name=mymobilephaseloadings
property=percentage/ size=10 name=percentage/


Sebastian


On Thu, 2004-11-04 at 16:37, Girish Kumar K. P. wrote:
 Hi,
 What I understood was like this:
 You have a logic:iterate tag
 Inside that you have the text field tag.
 
 Corresponding to the Logic:iterate you must be having a for loop inside
 the form population method in your action.
 There you will be populating the value from the said bean 
 (in the bean you will be having list I suppose, from which you extract
 the corresponding entry to display in the logic:iterate)
 to the corresponding form field in the form bean.
 
 I also had the same problem sometime back.
 I did the way I suggested and it worked.
 That's why I suggested this way.
 
 Regards,
 Girish
 
 
 -Original Message-
 From: Sebastian Ho [mailto:[EMAIL PROTECTED] 
 Sent: Thursday, November 04, 2004 12:45 PM
 To: Struts Users Mailing List
 Subject: RE: html:text in logic:iterate
 
 How do I populate it in the Action if I need to iterate through the
 ActionForms in my JSP?
 
 I am thinking that it is just an issue of getting around the parser. In
 other instance I have, just adding quotes here and there to 'fool' the
 parser solves my problems. e.g. I can have a bean:write tag inside a
 hidden tag..
 
 Sebastian
 
 
 
 On Thu, 2004-11-04 at 15:09, Girish Kumar K. P. wrote:
  Anyway , the value if u give the value attribute, the values 
  populated into the form bean from the action will not be displayed. 
  Text field will diplay  bean:write name=mymobilephaseloadings 
  property=percentage/ So, poipulate the form bean at the action . 
  That's it Dopn't give the value attribute.
  It will work
  
  -Original Message-
  From: Sebastian Ho [mailto:[EMAIL PROTECTED]
  Sent: Thursday, November 04, 2004 12:34 PM
  To: Struts Users Mailing List
  Subject: RE: html:text in logic:iterate
  
  The user is actually editing some data that is already saved. So I 
  need the data to be displayed in the textbox (form).
  
  sebastian
  
  
  On Thu, 2004-11-04 at 14:52, Girish Kumar K. P. wrote:
   U shouldn't give the value attribute there. The value would be read 
   from the form
   
   Regards,
   Girish
   
   -Original Message-
   From: Sebastian Ho [mailto:[EMAIL PROTECTED]
   Sent: Thursday, November 04, 2004 12:18 PM
   To: Struts Users Mailing List
   Subject: html:text in logic:iterate
   
   Hi
   
   I have a iterate tag which contains a text box. I wish to display 
   value in the textbox. But this line in the JSP couldnt get through 
   the
  
   parsing.
   html:text property=percentage size=10
   value=bean:write name=mymobilephaseloadings
   property=percentage//
   
   Anyone knoww how to get around this?
   
   Thanks
   
   Sebastian Ho
   
   
   -
   
   logic:iterate id=mymobilephaseloadings name=mobilephaseloadings
   scope=session
 tr bgcolor=#CC
 html:form action=EditLCMSMSGradientStepByIdentifier.do
   td
 bean:write name=mymobilephaseloadings
   property=gradientStepTime/
   /td
   td
   html:text property=percentage size=10
   value=bean:write name=mymobilephaseloadings
   property=percentage//
   /td
   td
   html:cancel property=action value=Save
   bean:message key=button.save/
 /html:cancel  
   /td
   html:hidden property=page
   value=displaygradientstepbyidentifier/
   /html:form
 /tr
   /logic:iterate
   
   
   
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how do I count array in logic:iterate

[Peng, Meimin]

Hi,

I've an array list called fruits.
And, I want to count the number of fruit. 
How can I do it to write out the number?

 logic:iterate id=fruit name=fruits indexId=index
   %=index%
 
  /logic:iterate

Thanks.
--MM

CONFIDENTIALITY NOTICE:  The information in this e-mail is privileged and
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e-mail by or to anyone other than the intended recipient(s) is unauthorized.
If you have received this e-mail in error, please reply to sender and delete
it from your system immediately.

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Re: how do I count array in logic:iterate

[Bill Siggelkow]

bean:size id=numFruits name=fruits/
Number of fruits: bean:write name=numFruits/
-Bill Siggelkow
Peng, Meimin wrote:
Hi,
I've an array list called fruits.
And, I want to count the number of fruit. 
How can I do it to write out the number?

 logic:iterate id=fruit name=fruits indexId=index
   %=index%
 
  /logic:iterate

Thanks.
--MM
CONFIDENTIALITY NOTICE:  The information in this e-mail is privileged and
confidential.  Any use, copying or dissemination of any portion of this
e-mail by or to anyone other than the intended recipient(s) is unauthorized.
If you have received this e-mail in error, please reply to sender and delete
it from your system immediately.

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RE: how do I count array in logic:iterate

[Peng, Meimin]

I miss this tag. Thanks.
--MM

-Original Message-
From: news [mailto:[EMAIL PROTECTED] On Behalf Of Bill Siggelkow
Sent: Wednesday, November 03, 2004 3:45 PM
To: [EMAIL PROTECTED]
Subject: Re: how do I count array in logic:iterate

bean:size id=numFruits name=fruits/
Number of fruits: bean:write name=numFruits/

-Bill Siggelkow

Peng, Meimin wrote:
 Hi,
 
 I've an array list called fruits.
 And, I want to count the number of fruit. 
 How can I do it to write out the number?
 
  logic:iterate id=fruit name=fruits indexId=index
%=index%
  
   /logic:iterate
 
 Thanks.
 --MM
 
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html:text in logic:iterate

[Sebastian Ho]

Hi

I have a iterate tag which contains a text box. I wish to display value
in the textbox. But this line in the JSP couldnt get through the
parsing.
html:text property=percentage size=10
value=bean:write name=mymobilephaseloadings
property=percentage//

Anyone knoww how to get around this?

Thanks

Sebastian Ho

-

logic:iterate id=mymobilephaseloadings name=mobilephaseloadings
scope=session
  tr bgcolor=#CC
  html:form action=EditLCMSMSGradientStepByIdentifier.do
td
  bean:write name=mymobilephaseloadings
property=gradientStepTime/
/td
td
html:text property=percentage size=10
value=bean:write name=mymobilephaseloadings
property=percentage//
/td
td
html:cancel property=action value=Save
bean:message key=button.save/
  /html:cancel  
/td
html:hidden property=page
value=displaygradientstepbyidentifier/
/html:form
  /tr
/logic:iterate


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RE: html:text in logic:iterate

[Girish Kumar K. P.]

U shouldn't give the value attribute there. The value would be read from
the form 

Regards,
Girish

-Original Message-
From: Sebastian Ho [mailto:[EMAIL PROTECTED] 
Sent: Thursday, November 04, 2004 12:18 PM
To: Struts Users Mailing List
Subject: html:text in logic:iterate

Hi

I have a iterate tag which contains a text box. I wish to display value
in the textbox. But this line in the JSP couldnt get through the
parsing.
html:text property=percentage size=10
value=bean:write name=mymobilephaseloadings
property=percentage//

Anyone knoww how to get around this?

Thanks

Sebastian Ho

-

logic:iterate id=mymobilephaseloadings name=mobilephaseloadings
scope=session
  tr bgcolor=#CC
  html:form action=EditLCMSMSGradientStepByIdentifier.do
td
  bean:write name=mymobilephaseloadings
property=gradientStepTime/
/td
td
html:text property=percentage size=10
value=bean:write name=mymobilephaseloadings
property=percentage//
/td
td
html:cancel property=action value=Save
bean:message key=button.save/
  /html:cancel  
/td
html:hidden property=page
value=displaygradientstepbyidentifier/
/html:form
  /tr
/logic:iterate


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RE: html:text in logic:iterate

[Sebastian Ho]

The user is actually editing some data that is already saved. So I need
the data to be displayed in the textbox (form).

sebastian


On Thu, 2004-11-04 at 14:52, Girish Kumar K. P. wrote:
 U shouldn't give the value attribute there. The value would be read from
 the form 
 
 Regards,
 Girish
 
 -Original Message-
 From: Sebastian Ho [mailto:[EMAIL PROTECTED] 
 Sent: Thursday, November 04, 2004 12:18 PM
 To: Struts Users Mailing List
 Subject: html:text in logic:iterate
 
 Hi
 
 I have a iterate tag which contains a text box. I wish to display value
 in the textbox. But this line in the JSP couldnt get through the
 parsing.
 html:text property=percentage size=10
 value=bean:write name=mymobilephaseloadings
 property=percentage//
 
 Anyone knoww how to get around this?
 
 Thanks
 
 Sebastian Ho
 
 -
 
 logic:iterate id=mymobilephaseloadings name=mobilephaseloadings
 scope=session
   tr bgcolor=#CC
   html:form action=EditLCMSMSGradientStepByIdentifier.do
 td
   bean:write name=mymobilephaseloadings
 property=gradientStepTime/
 /td
 td
 html:text property=percentage size=10
 value=bean:write name=mymobilephaseloadings
 property=percentage//
 /td
 td
 html:cancel property=action value=Save
 bean:message key=button.save/
   /html:cancel  
 /td
 html:hidden property=page
 value=displaygradientstepbyidentifier/
 /html:form
   /tr
 /logic:iterate
 
 
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RE: html:text in logic:iterate

[Girish Kumar K. P.]

Anyway , the value if u give the value attribute, the values populated
into the form bean from the action will not be displayed. Text field
will diplay
 bean:write name=mymobilephaseloadings property=percentage/ 
So, poipulate the form bean at the action . That's it
Dopn't give the value attribute.
It will work

-Original Message-
From: Sebastian Ho [mailto:[EMAIL PROTECTED] 
Sent: Thursday, November 04, 2004 12:34 PM
To: Struts Users Mailing List
Subject: RE: html:text in logic:iterate

The user is actually editing some data that is already saved. So I need
the data to be displayed in the textbox (form).

sebastian


On Thu, 2004-11-04 at 14:52, Girish Kumar K. P. wrote:
 U shouldn't give the value attribute there. The value would be read 
 from the form
 
 Regards,
 Girish
 
 -Original Message-
 From: Sebastian Ho [mailto:[EMAIL PROTECTED]
 Sent: Thursday, November 04, 2004 12:18 PM
 To: Struts Users Mailing List
 Subject: html:text in logic:iterate
 
 Hi
 
 I have a iterate tag which contains a text box. I wish to display 
 value in the textbox. But this line in the JSP couldnt get through the

 parsing.
 html:text property=percentage size=10
 value=bean:write name=mymobilephaseloadings
 property=percentage//
 
 Anyone knoww how to get around this?
 
 Thanks
 
 Sebastian Ho
 
 -
 
 logic:iterate id=mymobilephaseloadings name=mobilephaseloadings
 scope=session
   tr bgcolor=#CC
   html:form action=EditLCMSMSGradientStepByIdentifier.do
 td
   bean:write name=mymobilephaseloadings
 property=gradientStepTime/
 /td
 td
 html:text property=percentage size=10
 value=bean:write name=mymobilephaseloadings
 property=percentage//
 /td
 td
 html:cancel property=action value=Save
 bean:message key=button.save/
   /html:cancel  
 /td
 html:hidden property=page
 value=displaygradientstepbyidentifier/
 /html:form
   /tr
 /logic:iterate
 
 
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RE: html:text in logic:iterate

[Sebastian Ho]

How do I populate it in the Action if I need to iterate through the
ActionForms in my JSP?

I am thinking that it is just an issue of getting around the parser. In
other instance I have, just adding quotes here and there to 'fool' the
parser solves my problems. e.g. I can have a bean:write tag inside a
hidden tag..

Sebastian



On Thu, 2004-11-04 at 15:09, Girish Kumar K. P. wrote:
 Anyway , the value if u give the value attribute, the values populated
 into the form bean from the action will not be displayed. Text field
 will diplay
  bean:write name=mymobilephaseloadings property=percentage/ 
 So, poipulate the form bean at the action . That's it
 Dopn't give the value attribute.
 It will work
 
 -Original Message-
 From: Sebastian Ho [mailto:[EMAIL PROTECTED] 
 Sent: Thursday, November 04, 2004 12:34 PM
 To: Struts Users Mailing List
 Subject: RE: html:text in logic:iterate
 
 The user is actually editing some data that is already saved. So I need
 the data to be displayed in the textbox (form).
 
 sebastian
 
 
 On Thu, 2004-11-04 at 14:52, Girish Kumar K. P. wrote:
  U shouldn't give the value attribute there. The value would be read 
  from the form
  
  Regards,
  Girish
  
  -Original Message-
  From: Sebastian Ho [mailto:[EMAIL PROTECTED]
  Sent: Thursday, November 04, 2004 12:18 PM
  To: Struts Users Mailing List
  Subject: html:text in logic:iterate
  
  Hi
  
  I have a iterate tag which contains a text box. I wish to display 
  value in the textbox. But this line in the JSP couldnt get through the
 
  parsing.
  html:text property=percentage size=10
  value=bean:write name=mymobilephaseloadings
  property=percentage//
  
  Anyone knoww how to get around this?
  
  Thanks
  
  Sebastian Ho
  
  -
  
  logic:iterate id=mymobilephaseloadings name=mobilephaseloadings
  scope=session
tr bgcolor=#CC
html:form action=EditLCMSMSGradientStepByIdentifier.do
  td
bean:write name=mymobilephaseloadings
  property=gradientStepTime/
  /td
  td
  html:text property=percentage size=10
  value=bean:write name=mymobilephaseloadings
  property=percentage//
  /td
  td
  html:cancel property=action value=Save
  bean:message key=button.save/
/html:cancel  
  /td
  html:hidden property=page
  value=displaygradientstepbyidentifier/
  /html:form
/tr
  /logic:iterate
  
  
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Re: html:text in logic:iterate

[Erik Weber]

Couldn't you just use one of the expression languages?
For example:
html:text property=percentage size=10 
value=${mymobilephaseloadings.percentage}/
. . . in a JSP 2.0 (Expression Language-aware) container, or, using the 
EL tags:
html-el:text property=percentage size=10 
value=${mymobilephaseloadings.percentage}/

or %= mymobilephaseloadings.getPercentage() % using the older runtime 
expression language.

Not sure if my syntax is 100% correct.
Also, I think you might be able to embed the c:out tag in place of the 
bean:write tag.

Make sure you really want to use the value attribute, as this can have 
undesired consequences when paired with an ActionForm.

Erik

Sebastian Ho wrote:
Hi
I have a iterate tag which contains a text box. I wish to display value
in the textbox. But this line in the JSP couldnt get through the
parsing.
   html:text property=percentage size=10
value=bean:write name=mymobilephaseloadings
property=percentage//
Anyone knoww how to get around this?
Thanks
Sebastian Ho
-
logic:iterate id=mymobilephaseloadings name=mobilephaseloadings
scope=session
 tr bgcolor=#CC
 html:form action=EditLCMSMSGradientStepByIdentifier.do
   td
 bean:write name=mymobilephaseloadings
property=gradientStepTime/
   /td
   td
   html:text property=percentage size=10
value=bean:write name=mymobilephaseloadings
property=percentage//
   /td
   td
   html:cancel property=action value=Save
   bean:message key=button.save/
 /html:cancel  
   /td
   html:hidden property=page
value=displaygradientstepbyidentifier/
   /html:form
 /tr
   /logic:iterate

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Nesting html:selec with logic:iterate in a strut application

[Au-Yeung, Stella H]

Hi:
I have a struts application that allows me to update a list of employees
data.

The following is a 'desired' Update screen to update all employees
information on 'one' screen:
Employee Name   Employee AgeDepartment (this is a drop down)

Anderson, John  30  a drop-down list of Boston-branch
departments to choose from
Johnson, Mary   35  a drop-down list of Portland-branch
departments to choose from
Wilson   Bob25  a drop-down list of L.A-branch
departments to choose from
 

My Data Beans:
//  the department property will be populated based on the selection from
the drop-down 
// 'departmentDropDown'.  Each employee has it's unique drop-down
'departmentDropDown'.
public class EmployeeDTO {
private String name;
private String age;
private String department;
private ArrayList departmentDropDown; // this list can be different for
different employees
}

Public class DepartmentBean {
private String id;
private String dName;
}


My EmployeeForm:
public class EmployeeForm extends org.apache.struts.action.ActionForm
implements Serializable {
private ArrayList listOfEmployees;  
private EmployeeDTO employee;
private ArrayList aDropDown; 
}



My UpdateEmployees.jsp:
jsp:useBean id=listOfEmployees type=java.util.Collection
scope=session/

logic:iterate id=emp name=listOfEmployees
type=com.myCompany.EmployeeDTO 
tr
tdhtml:text property=name//td
tdhtml:text property=age//td
td
   html:select name=emp property=department
html:options collection=emp.departmentDropDown property=id
labelProperty=dName/
   /html:select
/td
/tr
/logic:iterate

** listOfEmployees is an ArrayList of 'EmployeeDTO' in session.
** each empoloyee's departmentDropDown has been set as an ArrayList of
'DepartmentBean'.

But when I ran I keep getting an error like this:
Cannot find bean under name emp.departmentDropDown'
javax.servlet.jsp.JspException:
 Cannot find bean under name emp.departmentDropDown at
 org.apache.struts.taglib.html.OptionsTag.getIterator(

Did I struture my html:options within the logic:iterate wrong? If it is
wrong, how do I display a html:options within a logic:iterate?   

--
I modiefied my JSP and tried another way but it doesn't work either:

jsp:useBean id=listOfEmployees type=java.util.Collection
scope=session/

logic:iterate id=emp name=listOfEmployees
type=com.myCompany.EmployeeDTO 
bean:define id=aDropDown property=emp.departmentDropDown
tr
tdhtml:text property=name//td
tdhtml:text property=age//td
td
   html:select name=emp property=department
html:options collection=aDropDown property=id
labelProperty=dName/
   /html:select
/td
/tr
/logic:iterate
Then I will get this error:
[ServletException in:/jsp/part/editSubsystemPart.jsp] Cannot find bean under
name aDropDown'
 javax.servlet.jsp.JspException: Cannot find bean under name aDropDown
at org.apache.struts.taglib.html.OptionsTag.getIterator(OptionsTag.java:407)
at


Any help will be appreciated...
Stella


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Re: logic:iterate and table display

[Rick Reumann]

Erik Weber wrote the following on 10/16/2004 10:28 PM:
but I think there's not much the Struts tags do that the JSTL 
tags can't do.
Agreed, except the html form and netsted tags are nice and handy. Other 
than those I try and use JSTL (although I'm also using logic:present tag 
 since it provides nice funtionality for a comma separated list of 
roles to check).

--
Rick
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RE: logic:iterate and table display

[Vijay Vishvas Dharap]

Can you tell how to use EL code.
Am kind of newbie to Struts and and not much aware of EL tags.
But my containier is only JSP 1.2
Also I am using struts 1.1


-Original Message-
From: Rick Reumann [mailto:[EMAIL PROTECTED] 
Sent: Saturday, October 16, 2004 7:57 PM
To: Struts Users Mailing List
Subject: Re: logic:iterate and table display

Vijay Vishvas Dharap wrote the following on 10/15/2004 9:41 PM:
 Hi all,
 
 I have following scenario.. 
 I have FormBean which has getter and setter for my VO object
 
 In VO I have a list of another VO.
 
 Now on this form I want to display the contents of the list using
 logic.iterate tags.
 
 I will make matter simpler saying...
 
 aFormBean has aVO which as list of bVO. bVO has attributes like xAttr,
 yAttr, zAttr.
 
 now aForm should show on the page table where contents of list of bVO
 will be giving one one row of the table.

You can do this with struts logic and bean:write,I'm used to JSTL so 
here it is...

c:forEach items=${yourFormName.aVo.bVOlist} var=bVOitem
c:out value='${bVOitem.xAttr}'/
%-- or JSP2.0 just ${bVOitem.xAttr} --%
c:out value='${bVOitem.yAttr}'/
/c:forEach

with logic iterate within your html:form tags (I 'think' this is
right?)

//use the EL struts tags if not using JSP2.0 Container

logic:iterate property=aVo.bVOlist id=bVOitem
bean:write name=bVOitem property=xAttr/
 bean:write name=bVOitem property=yAttr/
/logic:iterate

Obviously you would surround the above with table tags etc. Or you could

also use the display tag (search google or archives) that will do this 
for you.

-- 
Rick

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Re: logic:iterate and table display

[Erik Weber]

Unfortunately, the Struts documentation isn't much help this department 
(unless I'm missing something), except that I think it tells you which 
Struts tags *don't* support the EL.

But this page ought to help:
http://java.sun.com/webservices/docs/1.0/tutorial/doc/JSTL4.html
There is also a blurb about using the EL in the Struts FAQ entry on 
indexed properties.

If you look in your Struts distribution, you'll see the EL-related stuff 
in the contrib directory. You use the Struts EL tags the same way as you 
use the regular Struts tags (except you use the EL instead of using the 
old-fashioned runtime expression language).

For example:
bean-el:size collection=${someBean.someCollection} id=numItems/
This Struts tag assumes there is a bean called someBean which exposes 
a collection via the no-arg method getSomeCollection. It makes the 
size of the collection available via the numItems variable, which can 
be used subsequently like this, for example:

c:when test=${numItems  0}/
There may be more efficient ways to do the same thing, but this gives 
you an example of a Struts tag and a JSTL tag that each use the EL.

I recommend the book JSTL by Sue Spielman (Morgan Kaufmann, 
0-12-656755-7). It's only $20 new and worth it. It discusses the JSTL 
tags and the EL in depth and is based on example. I have found that 
using a combination of the Struts tags and JSTL tags made my JSPs the 
nicest, but I think there's not much the Struts tags do that the JSTL 
tags can't do.

Hope that helps,
Erik

Vijay Vishvas Dharap wrote:
Can you tell how to use EL code.
Am kind of newbie to Struts and and not much aware of EL tags.
But my containier is only JSP 1.2
Also I am using struts 1.1
-Original Message-
From: Rick Reumann [mailto:[EMAIL PROTECTED] 
Sent: Saturday, October 16, 2004 7:57 PM
To: Struts Users Mailing List
Subject: Re: logic:iterate and table display

Vijay Vishvas Dharap wrote the following on 10/15/2004 9:41 PM:
 

Hi all,
I have following scenario.. 
I have FormBean which has getter and setter for my VO object

In VO I have a list of another VO.
Now on this form I want to display the contents of the list using
logic.iterate tags.
I will make matter simpler saying...
aFormBean has aVO which as list of bVO. bVO has attributes like xAttr,
yAttr, zAttr.
now aForm should show on the page table where contents of list of bVO
will be giving one one row of the table.
   

You can do this with struts logic and bean:write,I'm used to JSTL so 
here it is...

c:forEach items=${yourFormName.aVo.bVOlist} var=bVOitem
c:out value='${bVOitem.xAttr}'/
%-- or JSP2.0 just ${bVOitem.xAttr} --%
c:out value='${bVOitem.yAttr}'/
/c:forEach
with logic iterate within your html:form tags (I 'think' this is
right?)
//use the EL struts tags if not using JSP2.0 Container
logic:iterate property=aVo.bVOlist id=bVOitem
bean:write name=bVOitem property=xAttr/
bean:write name=bVOitem property=yAttr/
/logic:iterate
Obviously you would surround the above with table tags etc. Or you could
also use the display tag (search google or archives) that will do this 
for you.

 

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logic:iterate and table display

[Vijay Vishvas Dharap]

Hi all,

I have following scenario.. 
I have FormBean which has getter and setter for my VO object

In VO I have a list of another VO.

Now on this form I want to display the contents of the list using
logic.iterate tags.

I will make matter simpler saying...

aFormBean has aVO which as list of bVO. bVO has attributes like xAttr,
yAttr, zAttr.

now aForm should show on the page table where contents of list of bVO
will be giving one one row of the table.


Any help is appreciated.

Thanks,
Vijay dharap


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Nested logic:iterate tags

[Claus M. Christiansen]

Hi ML...
I have kind of a problem which I just can't get solved!
I have an iterate tag inside an iterate tag, but in the nested iterate 
tag I need the indexed value from the outer iterate tag!!

I have:
html:form action=/storeCombiQuestion.do
   logic:present name=subQuestions scope=session
   logic:iterate name=subQuestions id=question 
indexId=subQuestion
  bean:write name=question property=text /
  logic:match name=question value=SingleChoice 
logic:iterate name=question property=possibleChoices 
id=option type=dk.procore.model.Option
html:radio property=answer 
value=%=option.getOption()% indexed=true
bean:write name=option property=option /
/html:radio
 /logic:iterate
 br /
   /logic:match
   /logic:iterate
   /logic:present
   html:submit /
/html:form

Now.. The problem lies in the nested iterate tag. The indexed=true 
takes the value from the iterate tag in which it is nested, but what I 
really need is the one from the outer tag, which is called subQuestion. 
The reason I need the 'outer' is because the html:radio is dependant on it.
I'm not even sure it can be done this way, but if it can't then I would 
like a suggestion of what to do then...

Thanks in advance...
Claus
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