gwt gae ant

<project name="gwt-base" default="dist" basedir=".">
    <description>
        GWT/GAE build file
    </description>

    <property environment="env" />

    <!-- Build and dist -->
    <property name="webapp.dir" location="war" />
    <property name="classes" location="${webapp.dir}/WEB-INF/classes" />
    <property name="lib.dir" location="${webapp.dir}/WEB-INF/lib" />
    <property name="devmode.lib.dir" location="lib" />
    <property name="apt.lib.dir" location="apt" />
    <property name="build.dir" location="build" />
    <property name="test.classes" location="${build.dir}/test-classes" />
    <property name="war.file" location="${build.dir}/webapp.war" />

    <!-- Source dirs -->
    <property name="src" location="src" />
    <property name="gen" location="gen" />
    <property name="test" location="test" />
    <property name="test.gen" location="${build.dir}/test.gen" />
    <property name="delombok" location="${build.dir}/src" />
    <property name="test.delombok" location="${build.dir}/test" />

    <!-- Gwt's classpath -->
    <path id="gwt.classpath">
        <pathelement location="${gwt.home}/gwt-user.jar" />
        <pathelement location="${gwt.home}/gwt-dev.jar" />
        <pathelement location="${gwt.home}/validation-api-1.0.0.GA-sources.jar" />
    </path>

    <!-- Appengine's classpath -->
    <path id="gae.classpath">
        <pathelement location="${appengine.home}/lib/appengine-tools-api.jar" />
        <fileset dir="${appengine.home}/lib/tools">
            <include name="**/asm-*.jar" />
            <include name="**/datanucleus-enhancer-*.jar" />
        </fileset>
    </path>

    <!-- Compile classpath -->
    <path id="compile.classpath">
        <path refid="gwt.classpath" />
        <fileset dir="${lib.dir}" />
        <fileset dir="${devmode.lib.dir}" />
        <pathelement location="${src}" />
        <pathelement location="${gen}" />
        <pathelement location="${classes}" />
        <pathelement location="${test.classes}" />
    </path>

    <!-- Devmode classpath -->
    <path id="run.classpath">
        <path refid="compile.classpath" />
    </path>

    <!-- Devmode classpath -->
    <path id="devmode.gae.classpath">
        <path refid="compile.classpath" />
        <path refid="gae.classpath" />
    </path>

    <!-- Test classpath -->
    <path id="test.classpath">
        <path refid="compile.classpath" />
        <pathelement location="${test}" />
    </path>

    <!-- Apt classpath -->
    <path id="gen.classpath">
        <path refid="compile.classpath" />
        <fileset dir="${apt.lib.dir}" />
    </path>

    <!-- Cleans generated folders -->
    <target name="clean" description="Cleaning">
        <delete dir="${classes}" />
        <delete dir="${gen}" />
        <delete dir="${test.classes}" />
        <delete dir="${delombok}" />
        <delete dir="${test.gen}" />
        <delete dir="${build.dir}" />

        <mkdir dir="${classes}" />
        <mkdir dir="${gen}" />
        <mkdir dir="${build.dir}" />
        <mkdir dir="${delombok}" />
        <mkdir dir="${test.classes}" />
        <mkdir dir="${test.gen}" />
    </target>

    <!-- Copy resources to classpath -->
    <target name="resources" depends="clean">
        <copy todir="${classes}">
            <fileset dir="${src}">
                <exclude name="**/*.java" />
                <exclude name="**/*.ui.xml" />
            </fileset>
        </copy>
    </target>

    <!-- Run annotation processors -->
    <target name="compile" depends="resources">
        <taskdef classname="lombok.delombok.ant.DelombokTask" classpath="${devmode.lib.dir}/lombok.jar" name="delombok" />

        <javac srcdir="${src}:${gen}" fork="true" encoding="UTF-8" classpathref="gen.classpath" includeantruntime="false">
            <compilerarg value="-proc:only" />
            <compilerarg value="-s" />
            <compilerarg path="${gen}" />
        </javac>

        <delombok verbose="false" classpathref="compile.classpath" encoding="UTF-8" to="${delombok}" from="${src}" />

        <javac srcdir="${delombok}:${gen}" fork="true" destdir="${classes}" encoding="UTF-8" classpathref="compile.classpath" includeantruntime="false">
            <compilerarg value="-proc:none" />
        </javac>

        <javac srcdir="${test}" fork="true" encoding="UTF-8" classpathref="gen.classpath" includeantruntime="false">
            <compilerarg value="-proc:only" />
            <compilerarg value="-s" />
            <compilerarg path="${test.gen}" />
        </javac>

        <delombok verbose="false" classpathref="test.classpath" encoding="UTF-8" to="${test.delombok}" from="${test}" />

        <javac srcdir="${test.delombok}" fork="true" destdir="${test.classes}" encoding="UTF-8" classpathref="compile.classpath" includeantruntime="false">
            <compilerarg value="-proc:none" />
        </javac>
    </target>

    <!-- Compiles gwt -->
    <target name="gwt">
        <java classname="com.google.gwt.dev.Compiler" failonerror="true" classpath="${classes}" fork="yes" classpathref="run.classpath">
            <jvmarg line="-Xmx1024m -javaagent:${devmode.lib.dir}/lombok.jar=ECJ" />
            <arg line="-logLevel INFO -war ${webapp.dir} ${gwt.module} -localWorkers 2" />
        </java>
    </target>

    <!-- Run tests -->
    <target name="test">
        <junit>
            <classpath refid="test.classpath" />
            <formatter type="brief" usefile="false" />
            <batchtest>
                <fileset dir="${test.classes}">
                    <include name="**/*Test.class" />
                </fileset>
            </batchtest>
        </junit>
    </target>

    <!-- Copy GWT dependencies -->
    <target name="gwt.jars">
        <copy file="${gwt.home}/gwt-servlet.jar" tofile="${lib.dir}/gwt-servlet.jar" />
        <copy file="${gwt.home}/validation-api-1.0.0.GA.jar" tofile="${lib.dir}/validation-api-1.0.0.GA.jar" />

        <copy todir="${lib.dir}" flatten="true">
            <fileset dir="${appengine.home}/lib/user" includes="**/*.jar" />
        </copy>
    </target>

    <!-- Copy GAE dependencies -->
    <target name="gae.jars">
        <copy todir="${lib.dir}" flatten="true">
            <fileset dir="${appengine.home}/lib/user" includes="**/*.jar" />
        </copy>
    </target>

    <!-- Creates war file -->
    <target name="dist">
        <war destfile="${war.file}" basedir="${webapp.dir}" webxml="${webapp.dir}/WEB-INF/web.xml" />
    </target>

    <!-- Runs devmode -->
    <target name="devmode">
        <java failonerror="true" fork="true" classname="com.google.gwt.dev.DevMode" classpathref="run.classpath">
            <jvmarg value="-Dgwt.nowarn.webapp.classpath" />
            <jvmarg value="-Xmx1024m" />
            <jvmarg value="-XX:MaxPermSize=512M" />
            <jvmarg value="-javaagent:${devmode.lib.dir}/lombok.jar=ECJ" />
            <arg value="-logLevel" />
            <arg value="INFO" />
            <arg value="-war" />
            <arg value="${webapp.dir}" />
            <arg value="-startupUrl" />
            <arg value="${gwt.html}" />
            <arg value="${gwt.module}" />
        </java>
    </target>

    <!-- Runs devmode with gae -->
    <target name="devmode.gae">
        <java failonerror="true" fork="true" classname="com.google.gwt.dev.DevMode" classpathref="devmode.gae.classpath">
            <jvmarg value="-Dgwt.nowarn.webapp.classpath" />
            <jvmarg value="-Xmx1024m" />
            <jvmarg value="-XX:MaxPermSize=512M" />
            <jvmarg value="-javaagent:${devmode.lib.dir}/lombok.jar=ECJ" />
            <jvmarg value="-javaagent:${appengine.home}/lib/agent/appengine-agent.jar" />
            <arg value="-logLevel" />
            <arg value="INFO" />
            <arg value="-war" />
            <arg value="${webapp.dir}" />
            <arg value="-startupUrl" />
            <arg value="${gwt.html}" />
            <arg value="-server" />
            <arg value="com.google.appengine.tools.development.gwt.AppEngineLauncher" />
            <arg value="${gwt.module}" />
        </java>
    </target>

    <target name="deploy">
        <exec executable="${appengine.home}/bin/appcfg.sh">
            <arg value="-e" />
            <arg value="${appengine.email}" />
            <arg value="update" />
            <arg value="war" />
        </exec>
    </target>
</project>