<project name="doc" default="all" basedir=".">
	<property name="gwt.root" location=".." />
	<property name="project.tail" value="doc" />
	<import file="${gwt.root}/common.ant.xml" />

	<property.ensure name="java.tools.path" location="${java.home}/../lib/tools.jar" unless="build.host.ismac" message="Cannot find ${java.home}/../lib/tools.jar; please use a JDK when building doc rather than a JRE." />

	<property.ensure name="gwt.user.jar" location="${gwt.build.lib}/gwt-user.jar" />
	<!-- Platform shouldn't matter here, just picking one -->
	<property.ensure name="gwt.dev.jar" location="${gwt.build.lib}/gwt-dev-linux.jar" />

	<property name="USER_PKGS" value="com.google.gwt.core.client;com.google.gwt.core.ext;com.google.gwt.core.ext.typeinfo;com.google.gwt.i18n.client;com.google.gwt.json.client;com.google.gwt.junit.client;com.google.gwt.user.client;com.google.gwt.user.client.rpc;com.google.gwt.user.client.ui;com.google.gwt.user.server.rpc;com.google.gwt.xml.client;com.google.gwt.http.client;com.google.gwt.junit.viewer.client" />

	<!--
		*** Note that if the USER_SOURCE_PATH paths are updated,
		the fileset dependencies in the outofdate tags in the doc,
		user, and javadoc targets must be updated as well.
	-->
	<path id="USER_SOURCE_PATH">
		<pathelement location="${gwt.root}/user/src" />
		<pathelement location="${gwt.root}/user/javadoc" />
		<pathelement location="${gwt.root}/user/super" />
		<pathelement location="${gwt.root}/dev/core/src" />
	</path>

	<path id="USER_CLASS_PATH">
		<pathelement location="${gwt.user.jar}" />
		<pathelement location="${gwt.dev.jar}" />
		<pathelement location="${gwt.tools.lib}/junit/junit-3.8.1.jar" />
		<pathelement location="${gwt.tools.lib}/jfreechart/jfreechart-1.0.3.jar" />
	</path>

	<path id="DOC_PATH">
		<pathelement location="./src" />
		<pathelement location="${gwt.build.lib}/gwt-doctool.jar" />
		<path path="${java.tools.path}" />
		<path refid="USER_SOURCE_PATH" />
	</path>

	<target name="javadoc">
		<outofdate>
			<sourcefiles>
				<fileset file="./src/gwt-user.html" />
				<fileset dir="${gwt.root}/user/src">
					<include name="**/*.java" />
				</fileset>
				<fileset dir="${gwt.root}/user/javadoc">
					<include name="**/*.java" />
				</fileset>
				<fileset dir="${gwt.root}/user/super">
					<include name="**/*.java" />
				</fileset>
				<fileset dir="${gwt.root}/dev/core/src">
					<include name="**/*.java" />
				</fileset>
			</sourcefiles>
			<targetfiles>
				<!--
					only checks one output file, will not rebuild other
					files if this one is up to date
				-->
				<pathelement path="${project.build}/javadoc/index.html" />
			</targetfiles>
			<sequential>
				<echo>Building javadoc</echo>
				<java classpathref="DOC_PATH" classname="com.google.doctool.custom.GWTJavaDoclet" fork="yes" failonerror="true">
					<arg value="-quiet" />
					<arg value="-source" />
					<arg value="1.5" />
					<arg value="-encoding"/>
					<arg value="UTF-8"/>
					<arg value="-d" />
					<arg value="${project.build}/javadoc" />
					<arg value="-classpath" />
					<arg pathref="USER_CLASS_PATH" />
					<arg value="-sourcepath" />
					<arg pathref="USER_SOURCE_PATH" />
					<arg value="-examplepackages" />
					<arg value="com.google.gwt.examples;com.google.gwt.examples.i18n;com.google.gwt.examples.http.client;com.google.gwt.examples.rpc.server;com.google.gwt.examples.benchmarks" />
					<arg value="-packages" />
					<arg value="${USER_PKGS}" />
				</java>
			</sequential>
		</outofdate>
	</target>

	<target name="build" depends="javadoc" />
</project>