examples/ant/build.xml

<!--
  Copyright 2018 The Error Prone Authors.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  -->
<project name="error prone example" default="compile" xmlns:unless="ant:unless">
  <target name="compile">
    <delete dir="build"/>
    <mkdir dir="build"/>

    <property name="javac.jar" location="${user.home}/.m2/repository/com/google/errorprone/javac/9+181-r4173-1/javac-9+181-r4173-1.jar"/>

    <!-- using github.com/google/error-prone-javac is required when running on JDK 8 -->
    <condition property="jdk9orlater">
      <javaversion atleast="9"/>
    </condition>

    <path id="processorpath.ref">
      <pathelement location="${user.home}/.m2/repository/com/google/errorprone/error_prone_core/2.4.1-SNAPSHOT/error_prone_core-2.4.1-SNAPSHOT-with-dependencies.jar"/>
      <pathelement location="${user.home}/.m2/repository/com/google/code/findbugs/jFormatString/3.0.0/jFormatString-3.0.0.jar"/>
      <!-- Add annotation processors and Error Prone custom checks here if needed -->
    </path>

    <javac srcdir="src" destdir="build" fork="yes" includeantruntime="no">
      <compilerarg value="-J-Xbootclasspath/p:${javac.jar}" unless:set="jdk9orlater"/>
      <compilerarg line="-XDcompilePolicy=simple"/>
      <compilerarg value="-processorpath"/>
      <compilerarg pathref="processorpath.ref"/>
      <compilerarg value="-Xplugin:ErrorProne -Xep:DeadException:ERROR" />
    </javac>
  </target>
</project>