JSTL XML x:set Tag

The <x: set> tag is used to store the result of xml path expression in scoped variable.

Syntax of <x: set> Tag

<x: set attributes/>

Attributes of <x: set> Tag


<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>

 <title>JSTL Tags</title>

<h3>Fruits Information:</h3>

<c:set var="fruit">







<x:parse xml="${fruit}" var="output"/>
<x:set var="fragment" select="$output/fruits/fruit[3]/price"/>

<b>The price of the Apple</b>:
<x:out select="$fragment" />


Details of the Code

  • <c:set var=”fruit”> tag is used to set the variable name which we want to display in the output.
  • <x:parse xml=”${fruit}” var=”output”/> tag is used to parse the xml content and the result is been stored in specified variable.
  • <x:set var=”fragment” select=”$output/fruits/fruit[3]/price”/> tag is used to store the result in xml path expression using the attribute var and select.
  • <x:out select=”$output/fruits/fruit[3]/price” /> tag is used to display the price of the particular fruit which we want.

Steps for ExecutionBefore executing the xml programs we should add jar files in eclipse namely:

  • 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

OutputThe below is screen shot of the output.x set tag output

selectTo evaluate the particular object it specifies xml Xpath expression.
varIt specifies the variable name which stores parse xml document.
scopeThe Scope into which the variable attribute has to be set.


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