Added task for doxygen, but still finetuning it

git-svn-id: https://cdk.svn.sourceforge.net/svnroot/cdk/trunk/cdk@4070 eb4e18e3-b210-0410-a6ab-dec725e4b171

javadoc.xml

@@ -9,6 +9,7 @@
 
     <property name="src" value="src" />
     <property name="javadoc.dir" value="doc/api" />
+    <property name="doxygen.dir" value="doc/doxygen" />
 
     <property name="pathtojava3d" value="" />
     <property name="build" value="build" />
@@ -27,7 +28,22 @@
     </path>
 
     <target name="doccheck-all" depends="doccheck-data, doccheck-core, doccheck-standard, doccheck-io, doccheck-render, doccheck-extra, doccheck-qsar"/>
+
+    <taskdef name="doxygen" classname="org.doxygen.tools.DoxygenTask"
+            classpath="develjar/ant_doxygen.jar" />
 
+    <target name="doxygen" id="doxygen">
+        <mkdir dir="${doxygen.dir}" />
+        <doxygen>
+            <property name="INPUT" value="src/" />
+            <property name="PROJECT_NAME" value="The Chemistry Development Kit" />
+            <property name="OUTPUT_DIRECTORY" value="${doxygen.dir}" />
+            <property name="OPTIMIZE_OUTPUT_JAVA" value="YES" />
+            <property name="UML_LOOK" value="YES" />
+            <property name="ALIASES" value='"cdk.module=Is part of the CDK module:"' />
+        </doxygen>
+    </target>
+
     <target name="html" depends="compileTaglets">
         <mkdir dir="${javadoc.dir}" />