JSTL Core c:forToken Tag

The <c:forToken> tag is used to break a string into tokens and iterate through each of the tokens. This tag is also used for looping over tokenized elements of a string.

Syntax For <c:forToken> Tag

<c:forTokens attribute> body content </c:forTokens>

Attributes of <c:forToken> Tag

  • items: This attribute specifies the string to be tokenized. This is the set of data values.
  • var: This attribute specifies the name of the exported scoped variable for the current item of the iteration.
  • delims: This attribute specifies set of delimiters.  Delimiters separate the tokens in the string)
  • begin: This specifies the start index of the iteration. Iteration starts at this index. This is optional attribute.
  • end: This specifies end index of the iteration. Iteration starts at this index. This is also optional attribute.
  • step: Iteration will only process every step tokens of the string, starting with the first one.

Example of <c:forToken> Tag

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
   <p>Example for forToken in Core Tag Library.</p>
   <c:forTokens var="token" items="a,b,c,d"   delims=",&">
   <c:out value="${token}"/>
   </c:forTokens>

Steps for Execution

  • Save this file as example.jsp in your eclipse IDE.
  • Now select this jsp file, right mouse click and select Run as ->Run on server

Output

When the execution process is completed successfully we will get the following output :

JSTL Core cforToken tag_demo
In the above example the item attribute is used define the tokens. it will iterate over tokens separated by delimiter. In the above example we use the “, & ” delimiters to tokenize the string.

Previous Tutorial : JSTL Core c:forEach Tag  :: Next Tutorial : JSTL Core c:param Tag

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He is Founder and Chief Editor of JavaBeat. He has more than 8+ years of experience on developing Web applications. He writes about Spring, DOJO, JSF, Hibernate and many other emerging technologies in this blog.

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