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Use of tag of JSTL 
 

In this section we will learn how to use tag of Xml tag library of Jstl.

 

Use of <x:param> tag of JSTL

                         

In this section we will learn how to use <x:param> tag of  Xml tag library of Jstl. This tag is used to add parameter to transform tag. When user want to transform more than one xml files then we will use <x:param> tag, to add xml files in transform tag.

In the code given below we have used doc1, doc2, doc3 as xml source files and use param tag to add these files as parameter to transform tag.

 

 

 

 

 

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

 Attributes: 
name  It defines name of the transformation parameter.
value  value of the transformation parameter.

param_xmlJstlTag.jsp

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> 
<%@ taglib uri="http://java.sun.com/jsp/jstl/xml" prefix="x" %> 
<c:set var="doc1">
    <document>
        <description>This is first document.</description>
    </document>
</c:set> 
<x:parse varDom="doc2">
    <document>
        <description>This is second document.</description>
    </document>
</x:parse> 
<x:parse varDom="doc3">
    <document>
        <description>This is third document.</description>
    </document>
</x:parse> 
<c:set var="xslt">
    <?xml version="1.0"?>
    <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
        <xsl:output method="xml" omit-xml-declaration="yes" indent="yes" />
        <xsl:param name="doc2"/>
        <xsl:param name="doc3"/>
        
        <xsl:template match="/">
            <xsl:value-of select="/document/description" /><br />
            <xsl:value-of select="$doc2/document/description" /><br />
            <xsl:value-of select="$doc3/document/description" /><br />
        </xsl:template>
        
    </xsl:stylesheet>
</c:set> 
<html>
    <head><title>Example of x:param tag of JSTL</title></head>
    <body>
        <x:transform xml="${doc1}" xslt="${xslt}">
            <x:param name="doc2" value="${doc2}" />
            <x:param name="doc3" value="${doc3}" />
        </x:transform>
    </body>
</html>

Output :



Download Source Code 

                         

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Related Tags: c xml library file files stl orm ant form io user sed jstl tag parameter transform this js for add

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