Checkstyle

- <target name="checkstyle">
  <mkdir dir="${docs}" /> 
  <taskdef resource="checkstyletask.properties" classpath="/path/to/checkstyle-all-4.3.jar" /> 
- <checkstyle config="${docs}/sun_checks.xml">
  <fileset dir="${basedir}" includes="**/*.java" /> 
  <formatter type="plain" /> 
  <formatter type="xml" toFile="build/checkstyle_errors.xml" /> 
  </checkstyle>
  </target>