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Jsp Custom Tag

 
Greenhorn
Posts: 15
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Hai all

i want to create JSP custom tag of my own. Pls any one tell me how to create JSP custom tag. If possible pls give be code and pls explain it. So that i can learn

regards
Gopi
 
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Custom tags are covered in the J2EE tutorial... what would you like to do with your tags? We could probably supply some pointers...
 
Ranch Hand
Posts: 1880
Firefox Browser Java
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This code will help you to write custom tags :

tld file
========
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN" "http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd">;
<taglib>
<tlibversion>1.0</tlibversion>
<jspversion>1.2</jspversion>
<shortname>html</shortname>
<tag>
<name>text</name>
<tagclass>org.custom.tags.TextField</tagclass>
<bodycontent>empty</bodycontent>
<attribute>
<name>property</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
</tag>
</taglib>


tag class
==========

package org.custom.tags;

import javax.servlet.jsp.tagext.TagSupport;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.JspException;

public class TextField extends TagSupport{

private String strProperty = null;

public void setProperty(String property){
this.strProperty = property;
}

public String getProperty(){
return this.strProperty;
}

public int doStartTag(){
try{
JspWriter outStream = pageContext.getOut();
System.out.println("jhsdk");
outStream.println("<input type='text'>");
}catch(Exception exception){
}
return EVAL_PAGE;
}

}

jsp file
=========
<%@ page import="java.util.ArrayList"%>

<%@ taglib uri="/tags/custom-html" prefix="html" %>

<HTML>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<META name="GENERATOR" content="IBM WebSphere Studio">
<META http-equiv="Content-Style-Type" content="text/css">
<LINK href="../theme/Master.css" rel="stylesheet" type="text/css">
<TITLE>tag.jsp</TITLE>
</HEAD>
<BODY>
<table width="100%">

<html:text/>

</table>


</BODY>
</HTML>
 
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