Condition for file change

<?xml version="1.0"?>

<project name="Apache Ant Properties Project" default="compile" basedir=".">

  <fileset dir="." id="uptodate.id">
    <include name="src/jstl/One.java"/>
  </fileset>

  <property name="jstl.src" value="jstl"/>
  <property name="jstl.jar" value="jstl.jar"/>  
  
  <condition property="jstl.src.exists">
    <available file="${jstl.src}" filepath="./src"/>
  </condition>

  <condition property="jstl.jar.exists">
    <available file="${jstl.jar}" filepath="./lib"/>
  </condition>

  <condition property="uptodate">
    <uptodate>
      <srcfiles refid="uptodate.id"/>
      <mapper type="merge" to="./One.java"/>
    </uptodate>
  </condition>

  <target name="checkout-jstl" unless="jstl.src.exists">
    <echo message="Checking out ${jstl.jar}"/>
  </target>

  <target name="build-jstl" depends="checkout-jstl" unless="jstl.jar.exists">
    <echo message="Building ${jstl.jar}"/>
  </target>

  <target name="compile" if="uptodate">
    <echo message="File changed: ${uptodate}"/>
  </target>

 
  <condition property="is.fileset">
    <isreference refid="uptodate.id" type="fileset"/>
  </condition>

  <target name="fileset-prepare">
    <echo message="Value of is.fileset = ${is.fileset}"/>
  </target>




</project>

AntBasicTags.zip( 2 k)

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Condition for file change : Condition « Ant « Java

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