Defining a Simple Custom Tag TLD

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CustomTags.java
This is the File which defines the Property of the Tag

package com.mugil.custTags;

import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

public class CustomTags extends TagSupport  
{
  private static final long serialVersionUID = 1L;
	
  public int doStartTag() throws JspException 
  {		
     StringBuffer SamBuffer = new StringBuffer();
     SamBuffer.append("Sample Message");
		
     try
     {
	pageContext.getOut().write(SamBuffer.toString());
     }
     catch (IOException e)
     {
	e.printStackTrace();
     }
		
  	return EVAL_PAGE;
   }
	
   public int doEndTag() throws JspException 
   {
      return EVAL_PAGE;
   }
}

DisplayName.tld
This xml file creates the Relation between the tag and the property of the tag as defined in the java file.

<?xml version="1.0" encoding="UTF-8"?>
<taglib>
  <tlib-version>1.0</tlib-version>
  <jsp-version>2.0</jsp-version>
  <shortname>Example TLD</shortname>
  <tag>
    <name>Hello</name>
    <tagclass>com.mugil.custTags.CustomTags</tagclass>
    <bodycontent>empty</bodycontent>
  </tag>
</taglib>

Sample.jsp
JSP File in which the custom tag is Used.

<%@taglib prefix="DisplayName" uri="/WEB-INF/tld/DisplayName.tld"%>
.
.
.
.
<body>
 <h1>
    <DisplayName:Hello/>
 </h1>
</body>
.
.
.

web.xml

 <?xml version="1.0" encoding="UTF-8"?>
  <web-app version="3.0">
   <servlet>
     <servlet-name>TestServlet</servlet-name>
     <servlet-class>com.mugil.custTags.TestServlet</servlet-class>
   </servlet>
   <servlet-mapping>
     <servlet-name>TestServlet</servlet-name>
     <url-pattern>/TestServlet/</url-pattern>
   </servlet-mapping>
  </web-app>

Output

OP

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