Ant example source code file (loadproperties.xml)

This example Ant source code file (loadproperties.xml) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Ant tags/keywords

abesea, abesea, c, c, iso-8859-1, port, port, server, server

The loadproperties.xml source code

<?xml version="1.0" encoding="ISO-8859-1"?>
<project name="loadproperties-test" 
         basedir="." 
         default="testPrefixedProperties">

  <target name="init">
  </target>

  <target name="testPrefixedProperties" depends="init">
    <property name="server" value="localhost"/>
    <echo file="properties.tmp">
#http.@PORT@ = 90
http.@PORT@ = 80
http.@SERVER@ = ${server}
    </echo>
    <loadproperties srcFile="properties.tmp">
      <filterchain>
        <striplinecomments>
          <comment value="#"/>
        </striplinecomments>
        <prefixlines prefix="server1."/>
        <replacetokens>
          <token key="PORT" value="port"/>
          <token key="SERVER" value="server"/>
        </replacetokens>
        <expandproperties/>
      </filterchain>
    </loadproperties>
    <property name="server1.http.url" 
      value="http://${server1.http.server}:${server1.http.port}"/>
  </target>

  <target name="write properties.tmp" depends="init">
    <echo file="properties.tmp">
#tpfr.a=a
tpfr.a=A
tpfr.b=b\
       e
tpfr.c=@C@
    </echo>
  </target>

  <target name="testPropertiesFromResource" depends="write properties.tmp">
    <loadproperties resource="properties.tmp" classpath="${basedir}">
      <filterchain>
        <replacetokens>
          <token key="C" value="sea"/>
        </replacetokens>
      </filterchain>
    </loadproperties>
  </target>

  <target name="testPropertiesFromFileSet" depends="write properties.tmp">
    <loadproperties>
      <fileset dir="${basedir}">
        <include name="properties.tmp"/>
      </fileset>
      <filterchain>
        <replacetokens>
          <token key="C" value="sea"/>
        </replacetokens>
      </filterchain>
    </loadproperties>
  </target>

  <target name="loadPropertiesCheck">
    <condition property="testPropertiesFromResource.ok">
        <equals arg1="Abesea" arg2="${tpfr.a}${tpfr.b}${tpfr.c}" />
    </condition>
    <fail unless="testPropertiesFromResource.ok">
$${tpfr.a}$${tpfr.b}$${tpfr.c}="${tpfr.a}${tpfr.b}${tpfr.c}"
    </fail>
  </target>

  <target name="cleanup">
    <delete file="properties.tmp"/>
  </target>

</project>