[Java][Ant] WARファイル内のファイルを環境別に差し替える例

build.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration>
<project basedir="." default="all" name="sample">
  <property name="dest.dir" value="dest"/>
  <property name="war.filename" value="${ant.project.name}.war"/>
  <property name="src.war.file" value="${dest.dir}/${war.filename}"/>
  <property name="dest.release.dir" value="${dest.dir}/release"/>
  <property name="dest.unpack.dir" value="${dest.dir}/temp"/>

  <target name="all" depends="clean,unpack,war1,war2"/>

  <target name="war1">
    <antcall target="fork-war">
      <param name="env-name" value="env01"/>
      <param name="db-url" value="url01"/>
      <param name="db-user" value="user01"/>
      <param name="db-pass" value="pass01"/>
    </antcall>
  </target>

  <target name="war2">
    <antcall target="fork-war">
      <param name="env-name" value="env02"/>
      <param name="db-url" value="url02"/>
      <param name="db-user" value="user02"/>
      <param name="db-pass" value="pass02"/>
    </antcall>
  </target>

  <target name="fork-war" depends="replace-db,repack"/>

  <target name="unpack">
    <delete dir="${dest.unpack.dir}"/>
    <unzip src="${src.war.file}" dest="${dest.unpack.dir}">
      <patternset>
        <include name="/META-INF/context.xml"/>
      </patternset>
    </unzip>
  </target>

  <target name="repack">
    <property name="release.env.dir" value="${dest.release.dir}/${env-name}"/>
    <property name="release.war.file" value="${release.env.dir}/${war.filename}"/>
    <delete dir="${release.env.dir}"/>
    <mkdir dir="${release.env.dir}"/>
    <copy file="${src.war.file}" tofile="${release.war.file}"/>
    <zip destfile="${release.war.file}" basedir="${dest.unpack.dir}" update="true"/>
  </target>

  <target name="replace-db">
    <property name="war.context.file" value="${dest.unpack.dir}/META-INF/context.xml"/>
    <replaceregexp file="${war.context.file}" encoding="utf-8"
      match="url=&quot;[^&quot;]*&quot;"
      replace="url=&quot;${db-url}&quot;"/>
    <replaceregexp file="${war.context.file}" encoding="utf-8"
      match="username=&quot;[^&quot;]*&quot;"
      replace="username=&quot;${db-user}&quot;"/>
    <replaceregexp file="${war.context.file}" encoding="utf-8"
      match="password=&quot;[^&quot;]*&quot;"
      replace="password=&quot;${db-pass}&quot;"/>
  </target>

  <target name="clean">
    <delete dir="${dest.release.dir}"/>
    <delete dir="${dest.unpack.dir}"/>
  </target>
</project>