Java Tutorial/Ant/Condition

and condition in fileset

   <source lang="java">

<?xml version="1.0"?> <project name="Apache Ant Properties Project" basedir=".">

 <fileset dir="${src.web}/pages">
   <and>
     <modified>
       <param name="cache.cachefile" value="custom.properties"/>
       <param name="algorithm.algorithm" value="SHA"/>
     </modified>
     <type type="file"/>
   </and>
 </fileset>

</project></source>

Check condition

   <source lang="java">

<?xml version="1.0"?> <project name="Apache Ant Properties Project" basedir=".">

 <condition property="is.windows">
   <os family="windows"/>
 </condition>
 <condition property="is.unix">
   <os family="unix"/>
 </condition>
 <target name="do-windows" if="is.windows">
   <echo message="This is Windows"/>
 </target>
 <target name="do-unix" if="is.unix">
   <echo message="This is Unix"/>
 </target>

</project></source>

Compile if upto date

   <source lang="java">

<?xml version="1.0"?> <project name="Apache Ant Properties Project" basedir=".">

 <fileset dir="." id="uptodate.id">
   <include name="src/jstl/One.java"/>
 </fileset>
 <condition property="uptodate">
   <uptodate>
     <srcfiles refid="uptodate.id"/>
     <mapper type="merge" to="./One.java"/>
   </uptodate>
 </condition>
 <target name="compile" if="uptodate">
   <echo message="File changed: ${uptodate}"/>
 </target>

</project></source>

Condition properties

   <source lang="java">

<?xml version="1.0"?> <project name="Apache Ant Properties Project" basedir=".">

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

or condition with containsregexp

   <source lang="java">

<?xml version="1.0"?> <project name="Apache Ant Properties Project" basedir=".">

 <fileset id="javadoc" dir="${src}">
   <include name="shared/**"/>
   <include name="stand-alone/**"/>
   <include name="web/java/**"/>
   <or>
     <containsregexp expression="Licensed under the Apache Licen[sc]e"/>
     <containsregexp expression="GNU GENERAL PUBLIC LICEN[SC]E"/>
   </or>
 </fileset>

</project></source>