Ant xml example for JAVA code find bugs.

JAVA_findbugs.xml

<?xml version="1.0"?>

<project name="XXX Application Build with find bugs" default="run"
	basedir="../">
	<description>
		Ant build sample for running
		- findbugs,
	</description>

	<!-- Change the paths to your individual installation directories -->
	<property name="findbugs.home.dir" location="${basedir}/tools" />
	<property name="lib.dir" location="${basedir}/map/lib" />
	<property name="src.dir" location="${basedir}/map/app/" />
	<property name="bin.dir" location="${basedir}/bin" />
	<property name="htm.dir" location="${basedir}/html" />
	<property name="report.dir" location="${basedir}/report" />
	<property name="report.findbugs.dir" location="${report.dir}/findbugs" />

	<path id="run.classpath">
		<pathelement path="${bin.dir}" />
		<pathelement path="${findbugs.home.dir}/junit-4.5.jar" />
		<fileset dir="${lib.dir}">
			<include name="*.jar" />
		</fileset>
		<fileset dir="${findbugs.home.dir}/play/">
			<include name="**/*.jar" />
		</fileset>
	</path>

	<!-- Task of clean -->
	<target name="clean" description="Delete all result to start with a clean build.">
		<delete dir="${report.findbugs.dir}" />
		<delete dir="${report.temp.dir}" />
		<delete dir="${bin.dir}" />
	</target>
	
	<!-- Task of prepare report -->
	<target name="prepare.report.dir" description="Prepares the reports folder">
		<mkdir dir="${report.findbugs.dir}" />
	</target>

	<!-- Task of check style -->
	<target name="report.findbugs" depends="compile"
		description="Run code analysis over code to check for problems.">
		<!-- Fail this target if FindBugs is not installed. -->
		<available file="${findbugs.home.dir}/findbugs/lib/findbugs.jar"
			property="findbugs.available" />
		<fail unless="findbugs.available"
			message="Error: FINDBUGS_HOME not set or findbugs.jar not found." />
		<taskdef name="findbugs" classname="edu.umd.cs.findbugs.anttask.FindBugsTask"
			classpath="${findbugs.home.dir}/findbugs/lib/findbugs-ant.jar" />

		<!-- Run FindBugs. -->
		<mkdir dir="${report.findbugs.dir}" />
		<findbugs home="${findbugs.home.dir}/findbugs/lib/" workHard="true"
			output="xml:withMessages" outputFile="${report.findbugs.dir}/findbugs_report.xml">
			<class location="${bin.dir}" />
			<auxClasspath>
				<fileset file="${findbugs.home.dir}/junit-4.5.jar" />
			</auxClasspath>
		</findbugs>
	</target>

	<!-- -->
	<target name="compile" depends="clean" description="Compile the entire project.">
		<mkdir dir="${bin.dir}" />
		<!-- debuglevel="lines, source" -->
		<javac debug="true" srcdir="${src.dir}" destdir="${bin.dir}" 
			classpathref="run.classpath" includeantruntime="false" deprecation="true" nowarn="on">
			<compilerarg value="-Xlint"/>
		</javac>	
	</target>

	<!-- -->
	<target name="run" description="Run the build" depends="clean,prepare.report.dir,report.findbugs">
	</target>
</project>