The following comment has been added to this issue:
Author: Keith Garry Boyce
Created: Wed, 20 Oct 2004 12:20 AM
Body:
To qualify. I'm not having classcast. I'm having original problem in that the three
tables still do not sort independently.
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View this comment:
http://jira.codehaus.org/browse/DISPL-56?page=comments#action_25594
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View the issue:
http://jira.codehaus.org/browse/DISPL-56
Here is an overview of the issue:
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Key: DISPL-56
Summary: Multiple tables on one page is not working
Type: Bug
Status: Unassigned
Priority: Major
Original Estimate: Unknown
Time Spent: Unknown
Remaining: Unknown
Project: DisplayTag
Components:
Container Compability
Fix Fors:
1.0 RC2
Versions:
1.0 RC1
Assignee:
Reporter: Keith Garry Boyce
Created: Sun, 10 Oct 2004 7:48 AM
Updated: Wed, 20 Oct 2004 12:20 AM
Description:
If I pass id in as <%= string %> value I get classcast exception
The code below with varying name also doesn't work. I sent this also to you guys
because my mail in the past hasn't got onto forum.
Thanks,
Garry
Here is an example of the problem (below is a workaround but you probably have better
one):
<%@ taglib uri="http://displaytag.sf.net"; prefix="display" %>
<%@ page import="java.util.List" %>
<%@ page import="java.util.ArrayList" %>
<html>
<body>
test
<%!
public class ValueBean {
public ValueBean(String value) {
this.value=value;
}
private String value;
public String getValue() {
return this.value;
}
}
%>
<%
List theList = new ArrayList();
theList.add(new ValueBean("1"));
theList.add(new ValueBean("2"));
theList.add(new ValueBean("3"));
for (int i=0;i<3;i++) {
request.setAttribute("row" + String.valueOf(i),new ArrayList(theList));
%>
<display:table class="disp"
id="row"
name="<%= "row" + String.valueOf(i) %>"
sort="list" >
<display:column property="value" sortable="true"/>
</display:table>
<% } %>
</body>
</html>
Workaround:
have anonther attribute called tableId. I'm using reflection code for visibility
issues.
/*
* TableTag2.java
*
* Copyright 2004 by Electronic Data Systems
* Corporation. All rights reserved.
*
* An unpublished work created Aug 5, 2004, 2004. This work is a
* trade secret of EDS and unauthorized use or copying
* is prohibited.
*
*/
package org.displaytag.tags;
import java.lang.reflect.Field;
import org.displaytag.util.ParamEncoder;
/**
* @author jztb88
*
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Style - Code Templates
*/
public class TableTag2 extends TableTag {
private String tableId;
/**
* @return Returns the tableId.
*/
public String getTableId() {
return tableId;
}
/**
* @param tableId The tableId to set.
*/
public void setTableId(String tableId) {
try {
Field fld = TableTag.class.getDeclaredField("paramEncoder");
fld.setAccessible(true);
if (fld.get(this) == null) {
fld.set(this,new ParamEncoder(this.id + this.tableId));
}
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchFieldException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
this.tableId = tableId;
}
}
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