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Apache Ant/Passing Parameters to XSLT

< Apache Ant

Motivation

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You want to call a transform with a set of parameters. You want to be able to set these parameters from a build file.

Build File Target

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<!-- sample target to demonstrate the use of passing parameters from an ant file to a XSL tranform -->
<target name="Parameterized XSLT Test">
	<echo>Running conditional XSLT test</echo>
	<xslt in="null.xml" 
           out="tmp/param-output.xhtml"
	   style="xslt/TransformWithParametersTest.xsl">
           <factory name="net.sf.saxon.TransformerFactoryImpl"/>
           <param name="Parameter1" expression="true"/>
           <param name="Parameter2" expression="Hello World"/>
           <param name="Parameter3" expression="1234567"/>
        </xslt>
        <concat>
           <fileset dir="tmp" file="param-output.xml"/>
        </concat>
</target>

Input null.xml

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XSLT must have an input, but this example does not use it. 

   <root/>

XSLT

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<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    version="2.0">
    <xsl:param name="Parameter1" select="true()" as="xs:boolean"/>
    <xsl:param name="Parameter2" required="yes" as="xs:string"/>
    <xsl:param name="Parameter3" required="yes" as="xs:integer"/>
    <xsl:output method="xhtml" omit-xml-declaration="yes"/>
    
    <xsl:template match="/">
        <html xmlns="http://www.w3.org/1999/xhtml">
            <head>
                <title>Test of Passing Three Parameters (boolean, string, integer)</title>
            </head>
            <body>
                <h1>Test of Passing Three Parameters (boolean, string, integer)</h1>
                <p>The following parameters have been set by the Apache Ant build file.</p>
                <ul>
                    <li><b>Parameter1: </b><xsl:value-of select="$Parameter1"/>
                    </li>
                    <li><b>Parameter2: </b><xsl:value-of select="$Parameter2"/>
                    </li>
                    <li><b>Parameter3: </b><xsl:value-of select="$Parameter3"/>
                    </li>
                </ul>
            </body>
        </html>
    </xsl:template>
</xsl:stylesheet>
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