<!--
   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="org.apache.easyant.plugins#javadoc" xmlns:ea="antlib:org.apache.easyant">
    <ea:core-version requiredrevision="[0.8,+]" />
	
	<macrodef name="patch-javadoc" description="workaround for CVE-2013-1571">
	    <attribute name="dir"/>
	    <attribute name="docencoding" default="${file.encoding}"/>
	    <sequential>
	      <replace encoding="@{docencoding}" summary="true" taskname="patch-javadoc">
	        <fileset dir="@{dir}" casesensitive="false" includes="**/index.html,**/index.htm,**/toc.html,**/toc.htm">
	          <!-- TODO: add encoding="@{docencoding}" to contains check, when we are on ANT 1.9.0: -->
	          <not><contains text="function validURL(url) {" casesensitive="true" /></not>
	        </fileset>
	        <replacetoken><![CDATA[function loadFrames() {]]></replacetoken>
	        <replacevalue expandProperties="false"><![CDATA[if (targetPage != "" && !validURL(targetPage))
	        targetPage = "undefined";
	    function validURL(url) {
	        var pos = url.indexOf(".html");
	        if (pos == -1 || pos != url.length - 5)
	            return false;
	        var allowNumber = false;
	        var allowSep = false;
	        var seenDot = false;
	        for (var i = 0; i < url.length - 5; i++) {
	            var ch = url.charAt(i);
	            if ('a' <= ch && ch <= 'z' ||
	                    'A' <= ch && ch <= 'Z' ||
	                    ch == '$' ||
	                    ch == '_') {
	                allowNumber = true;
	                allowSep = true;
	            } else if ('0' <= ch && ch <= '9'
	                    || ch == '-') {
	                if (!allowNumber)
	                     return false;
	            } else if (ch == '/' || ch == '.') {
	                if (!allowSep)
	                    return false;
	                allowNumber = false;
	                allowSep = false;
	                if (ch == '.')
	                     seenDot = true;
	                if (ch == '/' && seenDot)
	                     return false;
	            } else {
	                return false;
	            }
	        }
	        return true;
	    }
	    function loadFrames() {]]></replacevalue>
	      </replace>
	    </sequential>
	  </macrodef>

    <target name="javadoc:init">
    	<ea:parameter property="main.sources" required="true" description="directory where sources to be compiled are. This property should be reused by other plugins to locate sources."/>
    	<ea:parameter property="test.sources" required="true" description="directory where test sources to be compiled are. This property should be reused by other plugins to locate sources."/>
    	        
        <ea:parameter property="javadoc.main.sources" default="${main.sources}" description="directory where sources to be compiled are" />
        <ea:parameter property="javadoc.test.sources" default="${test.sources}" description="directory where test sources to be compiled are" />

    	<ea:parameter property="javadoc.file.encoding" default="UTF-8" description="encoding used for generated javadoc" />

        <ea:parameter property="target.reports" default="${target}/reports" description="base directory for reports" />
        <ea:parameter property="target.javadoc" default="${target.reports}/javadoc" description="base directory where javadoc will be generated" />
        <ea:parameter property="target.javadoc.main" default="${target.javadoc}/main" description="directory where javadoc will be generated" />
        <ea:parameter property="target.javadoc.test" default="${target.javadoc}/test"
            description="directory where javadoc for tests will be generated" />

        <ea:parameter property="javadoc.publish.conf" default="documentation" description="default configuration for javadoc artifacts" />

        <!-- javadoc task seems to be sensible to empty directory -->
        <!-- if test.sources does not exit OR is an empty dir we set the empty.src.test.java.dir property that will skip the javadoc generation -->
        <condition property="empty.javadoc.test.sources.dir">
            <or>
                <not>
                    <available file="${javadoc.test.sources}" />
                </not>
                <length length="0">
                    <fileset dir="${javadoc.test.sources}" />
                </length>
            </or>
        </condition>
        <!-- if src.main.java does not exit OR is an empty dir we set the empty.src.main.java.dir property that will skip the javadoc generation -->
        <condition property="empty.javadoc.main.sources.dir">
            <or>
                <not>
                    <available file="${javadoc.main.sources}" />
                </not>
                <length length="0">
                    <fileset dir="${javadoc.main.sources}" />
                </length>
            </or>
        </condition>
    </target>

    <target name="-javadoc:main" depends="javadoc:init" unless="empty.javadoc.main.sources.dir">
        <path id="javadoc.main.source.path">
            <dirset dir="${javadoc.main.sources}" />
        </path>
        <javadoc encoding="${javadoc.file.encoding}" docencoding="${javadoc.file.encoding}" destdir="${target.javadoc.main}"
            sourcepathref="javadoc.main.source.path" />
    	
    	<patch-javadoc dir="${target.javadoc.main}" docencoding="${javadoc.file.encoding}"/>
    </target>

    <target name="-javadoc:test" depends="javadoc:init" unless="empty.javadoc.test.sources.java.dir">
        <path id="javadoc.test.source.path">
            <dirset dir="${javadoc.test.sources}" />
        </path>
        <javadoc encoding="${javadoc.file.encoding}" docencoding="${javadoc.file.encoding}" destdir="${target.javadoc.test}"
            sourcepathref="javadoc.test.source.path" />

        <patch-javadoc dir="${target.javadoc.test}" docencoding="${javadoc.file.encoding}"/>
    </target>

    <target name="javadoc:package" depends="javadoc:javadoc" description="generate a package containing javadoc"
        unless="skip.javadoc.package">
        <ea:parameter property="target.artifacts" default="${target}/artifacts" description="destination directory for target artifacts" />
        <ea:parameter property="project.ivy.instance" default="project.ivy.instance" description="the ivy instance name for your project" />

        <mkdir dir="${target.artifacts}" />
        <zip destfile="${target.artifacts}/${ivy.module}-javadoc.zip">
            <fileset dir="${target.javadoc}" erroronmissingdir="false" />
        </zip>
        <ea:registerartifact type="javadoc" ext="zip" classifier="javadoc" settingsRef="${project.ivy.instance}"
            confs="${javadoc.publish.conf}" />
    </target>

    <target name="javadoc:javadoc" depends="-javadoc:main,-javadoc:test" description="generate javadoc report for main classes and test classes" />
</project>