downloads.xml

<?xml version="1.0"?>
<!--

  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You 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="downloads" default="main" basedir=".">
	
    <pathconvert property="compiler.tests" dirsep="/">
        <path location="${basedir}"/>
    </pathconvert>

    <property name="lib.dir" value="${compiler.tests}/lib"/>
    
	<property name="download.dir" value="${compiler.tests}/in"/>
    
	<!-- 
	   Notes:
	       For Apache, the JARS must be removed from the repository.
	       
	       Licenses:
            maven-ant-tasks (2.1.3) - Apache 2.0
			ant-contrib (1.0b3) - Apache 2.0
	-->
		     
    <!-- 
        Because the downloads requires a network connection and the JARs don't change very often, 
        they are each downloaded only if they don't already exist. 
    -->
    
	<target name="main" depends="prepare, maven-ant-tasks-jar, ant-contrib-jar"
		    description="Downloads all the required thirdparty JARs"/>

    <target name="prepare" >
        <mkdir dir="${lib.dir}" />
    </target>
    
    <!--
		Cleanup
	-->
	
    <target name="clean" 
            description="Removes thirdparty downloads.">
        <delete includeEmptyDirs="true" failonerror="false">
            <fileset dir="${download.dir}" />
            <fileset dir="${lib.dir}" />
        </delete>
    </target>
    
    <!--
	    Download thirdparty JARs    
	-->

    <!--
        Download a jar file and optionally verify the checksum.
        If the checksum fails, this script fails.
        
        Params are:
            srcUrl
            srcJarFile
            destJarFile
            [md5]
    -->
    <target name="download-jar" 
            description="Downloads jar, and optionally verifies checksum.">                    
        <get src="${srcUrl}/${srcJarFile}" dest="${destJarFile}"/>
        <checksum file="${destJarFile}" algorithm="MD5" property="${we.failed}"/>
        <antcall target="fail-with-message">
            <param name="message" value="Checksum mismatch for ${destJarFile}"/>
        </antcall>
    </target>

    <target name="fail-with-message" if="we.failed" 
            description="Conditionally fails with the specified message">                
        <fail message="${message}"/>
    </target>
        
    <!--
        junit
    -->
    
    <target name="maven-ant-tasks-jar-check" description="Checks if Maven Ant Tasks JAR exists.">
    	<condition property="maven.ant.tasks.jar.exists">
    	    <and>
    	        <available file="${lib.dir}/maven-ant-tasks-2.1.3.jar"/>
    	    </and>
        </condition>
    </target>
    
    <target name="maven-ant-tasks-jar" depends="maven-ant-tasks-jar-check" unless="maven.ant.tasks.jar.exists"
            description="Copies the Maven Ant Tasks JAR to the lib directory.">
        <echo message="Obtaining lib/maven-ant-tasks-2.1.3.jar"/>
        <antcall target="maven-ant-tasks-download-jar"/>
    </target>
    
    <target name="maven-ant-tasks-download-jar" depends="maven-ant-tasks-jar-check" unless="maven.ant.tasks.jar.exists"
            description="Downloads the Maven Ant Tasks jar.">
        <antcall target="download-jar">
            <param name="srcUrl" value="http://search.maven.org/remotecontent?filepath=org/apache/maven/maven-ant-tasks/2.1.3"/>
            <param name="srcJarFile" value="maven-ant-tasks-2.1.3.jar"/>
            <param name="destJarFile" value="${lib.dir}/maven-ant-tasks-2.1.3.jar"/>
        </antcall>
    </target>
	
	<!--
        ant contrib
    -->
    
    <target name="ant-contrib-check" description="Checks if AntContrib JAR exists.">
    	<condition property="ant.contrib.jar.exists">
    	    <and>
    	        <available file="${lib.dir}/ant-contrib-1.0b3.jar"/>
    	    </and>
        </condition>
    </target>
    
    <target name="ant-contrib-jar" depends="ant-contrib-check" unless="ant.contrib.jar.exists"
            description="Copies the Ant Contrib JAR to the lib directory.">
        <echo message="Obtaining lib/ant-contrib-1.0b3.jar"/>
        <antcall target="ant-contrib-download-jar"/>
    </target>
    
    <target name="ant-contrib-download-jar" depends="ant-contrib-check" unless="ant.contrib.jar.exists"
            description="Downloads the Ant Contrib jar.">
        <antcall target="download-jar">
            <param name="srcUrl" value="http://search.maven.org/remotecontent?filepath=ant-contrib/ant-contrib/1.0b3"/>
            <param name="srcJarFile" value="ant-contrib-1.0b3.jar"/>
            <param name="destJarFile" value="${lib.dir}/ant-contrib-1.0b3.jar"/>
        </antcall>
	
    </target>
	
</project>