build.xml

<project name="bluejcheckstyle" default="build.bindist" basedir=".">

  <!-- set global properties for this build -->

  <!-- Give user a chance to override without editing this file -->
  <!-- (and without typing -D each time it compiles it) -->
  <property file="checkstyle.buildproperties" />
  <property file="${user.home}/checkstyle.buildproperties" />

  <property name="bluejext.jar" value="lib/bluejext.jar" />
  <property name="checkstyle-all.jar" value="lib/checkstyle-all.jar" />

  <property name="dist.dir" value="target/dist" />

  <property name="extension-version" value="5.4.1" />
  <property name="extension" value="checkstyle-extension-${extension-version}" />

  <property name="dist.extensions.dir" value="${dist.dir}/${extension}/lib/extensions"/>
  <property name="dist.docs.dir" value="${dist.dir}/${extension}/docs/extensions/checkstyle"/>

  <!-- add classes to generate Javadoc -->
  <path id="javadoc.classpath">
    <pathelement location="${ant.home}/lib/crimson.jar" />
    <path refid="run.classpath" />
  </path>

  <path id="build.classpath">
    <pathelement location="${bluejext.jar}" />
    <pathelement location="${checkstyle-all.jar}" />
    <pathelement location="${ant.home}/lib/ant.jar" />
  </path>

  <path id="run.classpath">
    <pathelement location="target/checkstyle" />
    <path refid="build.classpath" />
  </path>

  <target name="display.classpath" description="Displays the run classpath">
    <property name="asd" refid="run.classpath" />
    <echo message="Classpath is ${asd}" />
  </target>

  <!-- -->
  <!-- Cleanup targets -->
  <!-- -->
  <target name="clean" description="Cleans any directories and generated files">
    <delete dir="target" />
  </target>

  <!-- -->
  <!-- COMPILE TARGETS -->
  <!-- -->
  <target name="compile.checkstyle"
          description="Compiles the source code">
    <mkdir dir="target/checkstyle" />
    <javac srcdir="src/checkstyle"
           destdir="target/checkstyle"
           deprecation="on" debug="on"
           classpathref="build.classpath">
     <compilerarg value="-Xlint:unchecked"/>
    </javac>
  </target>

  <!-- -->
  <!-- DIST TARGETS -->
  <!-- -->
  <target name="build.extension" depends="compile.checkstyle"
          description="Builds the extension jar file">
    <mkdir dir="${dist.dir}" />
    <mkdir dir="${dist.extensions.dir}" />
    <jar jarfile="${dist.extensions.dir}/${extension}.jar"
         manifest="config/manifest.mf"
         update="false">
      <fileset dir="target/checkstyle"/>
      <fileset dir="docs">
        <include name="*.xml"/>
      </fileset>
      <zipfileset src="${checkstyle-all.jar}">
        <exclude name="META-INF/"/>
      </zipfileset>
    </jar>
    <copy todir=".">
      <fileset dir="${dist.extensions.dir}">
        <include name="${extension}.jar"/>
      </fileset>
    </copy>
  </target>

  <target name="build.bindist" depends="build.extension,javadoc"
          description="Builds the compressed distribution files">
    <delete dir="${dist.extensions.dir}/checkstyle" />
    <mkdir dir="${dist.extensions.dir}/checkstyle" />
    <mkdir dir="${dist.docs.dir}" />

    <!-- copy stuff without filtering -->
    <copy todir="${dist.docs.dir}">
      <fileset dir =".">
      	<include name="LICENSE*"/>
        <include name="README"/>
        <include name="RIGHTS.antlr"/>
        <include name="contrib/**"/>
        <include name="**/.cvsignore"/>
        <include name="**/CVS"/>
      </fileset>
      <fileset dir="./docs">
        <include name="**"/>
        <exclude name="*.xml"/>
        <exclude name="*.txt"/>
        <exclude name="java.header"/>
      </fileset>
    </copy>
    <copy todir="${dist.extensions.dir}/checkstyle">
      <fileset dir="./docs">
        <include name="*.xml"/>
        <include name="java.header"/>
      </fileset>
      <fileset dir="./lib">
        <include name="checkstyle*.jar"/>
      </fileset>
    </copy>
    <!-- create the final zip & tar/gzip files -->
    <zip zipfile="${dist.dir}/checkstyle-extension-${extension-version}.zip">
      <fileset dir="${dist.dir}/${extension}">
        <include name="**"/>
      </fileset>
    </zip>
    <tar tarfile="${dist.dir}/checkstyle-extension-${extension-version}.tar" longfile="gnu"
         basedir="${dist.dir}/${extension}" includes="**" />
    <gzip zipfile="${dist.dir}/checkstyle-extension-${extension-version}.tar.gz"
          src="${dist.dir}/checkstyle-extension-${extension-version}.tar" />
  </target>

  <target name="build.srcdist"
          description="Builds the compressed source files for distribution">
    <delete dir="${dist.dir}/checkstyle-extension-src-${extension-version}" />
    <mkdir dir="${dist.dir}/checkstyle-extension-src-${extension-version}" />
    <copy todir="${dist.dir}/checkstyle-extension-src-${extension-version}">
      <fileset dir=".">
        <include name="LICENSE*"/>
        <include name="README"/>
        <include name="TODO"/>
        <include name="build.xml"/>
        <include name="config/**"/>
        <include name="docs/*"/>
        <include name="${bluejext.jar}"/>
        <include name="${checkstyle-all.jar}"/>
        <include name="${checkstyle-optional.jar}"/>
        <include name="src/**"/>
      </fileset>
    </copy>
    <!-- Produce the final distributions -->
    <zip zipfile="${dist.dir}/checkstyle-extension-src-${extension-version}.zip">
      <fileset dir="${dist.dir}">
        <include name="checkstyle-extension-src-${extension-version}/**"/>
      </fileset>
    </zip>
    <tar tarfile="${dist.dir}/checkstyle-extension-src-${extension-version}.tar" longfile="gnu"
         basedir="${dist.dir}" includes="checkstyle-extension-src-${extension-version}/**" />
    <gzip zipfile="${dist.dir}/checkstyle-extension-src-${extension-version}.tar.gz"
          src="${dist.dir}/checkstyle-extension-src-${extension-version}.tar" />
  </target>

  <target name="javadoc" depends="compile.checkstyle"
          description="Creates the javadoc html files">
    <mkdir dir="docs/api" />
    <javadoc sourcepath="src/checkstyle" destdir="docs/api"
             packagenames="com.puppycrawl.tools.checkstyle.*"
             Windowtitle="Checkstyle Extension API"
             classpathref="javadoc.classpath"
             Use="true"
             Footer="&lt;a target=&quot;_top&quot; href=&quot;./{@docRoot}/../index.html&quot;&gt;Back to the Checkstyle Extension Home Page&lt;/a&gt;">
      <link href="https://docs.oracle.com/javase/8/docs/api/"/>
      <link href="http://checkstyle.sourceforge.net/apidocs/"/>
    </javadoc>
  </target>

</project>