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<html>

<head>
<meta http-equiv="Content-Language" content="en-us">
<link rel="stylesheet" type="text/css" href="../stylesheets/style.css">
<title>Javadoc Task</title>
</head>

<body>

<h2><a name="javadoc">Javadoc/<i>Javadoc2</i></a></h2>
<h3>Description</h3>
<p>Generates code documentation using the javadoc tool.</p>
<p>The source directory will be recursively scanned for Java source files to process
but only those matching the inclusion rules, and not matching the exclusions rules
will be passed to the javadoc tool. This
allows wildcards to be used to choose between package names, reducing verbosity
and management costs over time. This task, however, has no notion of
&quot;changed&quot; files, unlike the <a href="javac.html">javac</a> task. This means
all packages will be processed each time this task is run. In general, however,
this task is used much less frequently.</p>
<p>NOTE: since javadoc calls System.exit(), javadoc cannot be run inside the
same VM as Ant without breaking functionality. For this reason, this task
always forks the VM. This overhead is not significant since javadoc is normally a heavy
application and will be called infrequently.</p>
<p>NOTE: the packagelist attribute allows you to specify the list of packages to
document outside of the Ant file. It's a much better practice to include everything
inside the <code>build.xml</code> file. This option was added in order to make it easier to
migrate from regular makefiles, where you would use this option of javadoc.
The packages listed in packagelist are not checked, so the task performs even
if some packages are missing or broken. Use this option if you wish to convert from
an existing makefile. Once things are running you should then switch to the regular
notation. </p>

<p><i><b>DEPRECATION:</b> the javadoc2 task simply points to the javadoc task and it's
there for back compatibility reasons. Since this task will be removed in future
versions, you are strongly encouraged to use <a href="javadoc.html">javadoc</a>
instead.</i></p>

<p>In the table below, 1.2 means available if your current Java VM is
a 1.2 VM (but not 1.3 or later), 1.4+ for any VM of at least version 1.4, otherwise
any VM of at least version 1.2 is acceptable. JDKs &lt;1.4 are no longer supported.
If you specify the <code>executable</code> attribute it is up to you
to ensure that this command supports the attributes you wish to use.</p>

<p><b>Note:</b><br>When generating the JavaDocs for classes which contains annotations
you maybe get a <tt>java.lang.ClassCastException: com.sun.tools.javadoc.ClassDocImpl</tt>.
This is due <a href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6442982" target="_blank">bug-6442982</a>. The cause is that JavaDoc cannot find the implementations of used annotations.
The workaround is providing the jars with these implementations (like JAXBs <tt>@XmlType</tt>, ...)
to &lt;javadoc&gt; using <tt>classpath</tt>, <tt>classpathref</tt> attributes or nested
&lt;classpath&gt; element.</p>

<p><b>Note:</b> many problems with running javadoc stem from command
  lines that have become too long - even though the error message
  doesn't give the slightest hint this may be the problem.  If you
  encounter problems with the task, try to set
  the <code>useexternalfile</code> attribute to <code>true</code>
  first.</p>

<h3>Parameters</h3>
<table border="1" cellpadding="2" cellspacing="0">
  <tr>
    <td valign="top"><b>Attribute</b></td>
    <td valign="top"><b>Description</b></td>
    <td align="center" valign="top"><b>Availability</b></td>
    <td align="center" valign="top"><b>Required</b></td>
  </tr>
  <tr>
    <td valign="top">sourcepath</td>
    <td valign="top">Specify where to find source files</td>
    <td align="center" valign="top">all</td>
    <td align="center" rowspan="3">At least one of the three or nested
    <code>&lt;sourcepath&gt;</code>, <code>&lt;fileset&gt;</code> or
    <code>&lt;packageset&gt;</code></td>
  </tr>
  <tr>
    <td valign="top">sourcepathref</td>
    <td valign="top">Specify where to find source files by <a
      href="../using.html#references">reference</a> to a PATH defined elsewhere.</td>
    <td align="center" valign="top">all</td>
  </tr>
  <tr>
    <td valign="top">sourcefiles</td>
    <td valign="top">Comma separated list of source files -- see also
    the nested <code>source</code> element.</td>
    <td align="center" valign="top">all</td>
  </tr>
  <tr>
    <td valign="top">destdir</td>
    <td valign="top">Destination directory for output files</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">Yes, unless a doclet has been specified.</td>
  </tr>
  <tr>
    <td valign="top">maxmemory</td>
    <td valign="top">Max amount of memory to allocate to the javadoc VM</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">packagenames</td>
    <td valign="top">Comma separated list of package files (with terminating
      wildcard) -- see also the nested <code>package</code> element.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">packageList</td>
    <td valign="top">The name of a file containing the packages to process</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">classpath</td>
    <td valign="top">Specify where to find user class files</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Bootclasspath</td>
    <td valign="top">Override location of class files loaded by the bootstrap
      class loader</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">classpathref</td>
    <td valign="top">Specify where to find user class files by <a
      href="../using.html#references">reference</a> to a PATH defined elsewhere.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">bootclasspathref</td>
    <td valign="top">Override location of class files loaded by the
      bootstrap class loader by <a href="../using.html#references">reference</a> to a
      PATH defined elsewhere.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Extdirs</td>
    <td valign="top">Override location of installed extensions</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Overview</td>
    <td valign="top">Read overview documentation from HTML file</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">access</td>
    <td valign="top">Access mode: one of <code>public</code>, <code>protected</code>,
                     <code>package</code>, or <code>private</code></td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No (default <code>protected</code>)</td>
  </tr>
  <tr>
    <td valign="top">Public</td>
    <td valign="top">Show only public classes and members</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Protected</td>
    <td valign="top">Show protected/public classes and members (default)</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Package</td>
    <td valign="top">Show package/protected/public classes and members</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Private</td>
    <td valign="top">Show all classes and members</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Old</td>
    <td valign="top">Generate output using JDK 1.1 emulating
      doclet.<br>
      <b>Note:</b> as of Ant 1.8.0 this attribute doesn't have any
      effect since the javadoc of Java 1.4 (required by Ant 1.8.0)
      doesn't support the -1.1 switch anymore.</td>
    <td align="center" valign="top">1.2</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Verbose</td>
    <td valign="top">Output messages about what Javadoc is doing</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Locale</td>
    <td valign="top">Locale to be used, e.g. en_US or en_US_WIN</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Encoding</td>
    <td valign="top">Source file encoding name</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Version</td>
    <td valign="top">Include @version paragraphs</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Use</td>
    <td valign="top">Create class and package usage pages</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Author</td>
    <td valign="top">Include @author paragraphs</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Splitindex</td>
    <td valign="top">Split index into one file per letter</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Windowtitle</td>
    <td valign="top">Browser window title for the documentation (text)</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Doctitle</td>
    <td valign="top">Include title for the package index(first) page (html-code)</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Header</td>
    <td valign="top">Include header text for each page (html-code)</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">Footer</td>
    <td valign="top">Include footer text for each page (html-code)</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">bottom</td>
    <td valign="top">Include bottom text for each page (html-code)</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">link</td>
    <td valign="top">Create links to javadoc output at the given URL
    -- see also the nested <code>link</code> element.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">linkoffline</td>
    <td valign="top">Link to docs at <code>&lt;url&gt;</code> using package list at
    <code>&lt;url2&gt;</code> - separate the URLs by using a space character -- see
    also the nested <code>link</code> element.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">group</td>
    <td valign="top">Group specified packages together in overview
    page.  The format is as described <a
    href="#groupattribute">below</a> -- see also the nested
    <code>group</code> element.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">nodeprecated</td>
    <td valign="top">Do not include @deprecated information</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">nodeprecatedlist</td>
    <td valign="top">Do not generate deprecated list</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">notree</td>
    <td valign="top">Do not generate class hierarchy</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">noindex</td>
    <td valign="top">Do not generate index</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">nohelp</td>
    <td valign="top">Do not generate help link</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">nonavbar</td>
    <td valign="top">Do not generate navigation bar</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">serialwarn</td>
    <td valign="top">Generate warning about @serial tag</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">helpfile</td>
    <td valign="top">Specifies the HTML help file to use</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">stylesheetfile</td>
    <td valign="top">Specifies the CSS stylesheet to use</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">charset</td>
    <td valign="top">Charset for cross-platform viewing of generated
      documentation</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">docencoding</td>
    <td valign="top">Output file encoding name</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">doclet</td>
    <td valign="top">Specifies the class file that starts the doclet
    used in generating the documentation -- see also the nested
    <code>doclet</code> element.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">docletpath</td>
    <td valign="top">Specifies the path to the doclet class file that is specified with the -doclet option.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">docletpathref</td>
    <td valign="top">Specifies the path to the doclet class file that
      is specified with the -doclet option by <a
      href="../using.html#references">reference</a> to a PATH defined elsewhere.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">additionalparam</td>
    <td valign="top">Lets you add additional parameters to the javadoc
    command line. Useful for doclets. Parameters containing spaces
    need to be quoted using &amp;quot; -- see also the nested
    <code>arg</code> element.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">failonerror</td>
    <td valign="top">Stop the buildprocess if the command exits with a
      returncode other than 0.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">excludepackagenames</td>
    <td valign="top">comma separated list of packages you don't want
      docs for -- see also the nested <code>excludepackage</code> element.</td>
    <td align="center" valign="top">all</td>
    <td valign="top" align="center">No</td>
  </tr>
  <tr>
    <td valign="top">defaultexcludes</td>
    <td valign="top">indicates whether default excludes should be used
      (<code>yes</code> | <code>no</code>); default excludes are used when omitted.</td>
    <td align="center" valign="top">all</td>
    <td valign="top" align="center">No</td>
  </tr>
  <tr>
    <td valign="top">useexternalfile</td>
    <td valign="top">indicates whether the sourcefile name specified
      in srcfiles or as nested source elements should be written to a
      temporary file to make the command line shorter. Also applies to
      the package names specified via the packagenames attribute or
      nested package elements.  <em>Since Ant 1.7.0</em>, also applies
      to all the other command line options.
      (<code>yes</code> | <code>no</code>). Default is no.</td>
    <td align="center" valign="top">all</td>
    <td valign="top" align="center">No</td>
  </tr>
  <tr>
    <td valign="top">source</td>
    <td valign="top">Necessary to enable javadoc to handle assertions
    present in J2SE v 1.4 source code. Set this to &quot;1.4&quot; to
    documents code that compiles using <code>&quot;javac -source
    1.4&quot;</code>.<br>
    A default value for this attribute can be provided using the magic
    <a
    href="../javacprops.html#source"><code>ant.build.javac.source</code></a>
    property.</td>
    <td align="center" valign="top">1.4+</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">linksource</td>
    <td valign="top">Generate hyperlinks to source files.
      <em>since Ant 1.6</em>.
      (<code>yes</code> | <code>no</code>). Default is no.</td>
    <td align="center" valign="top">1.4+</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">breakiterator</td>
    <td valign="top">Use the new breakiterator algorithm.
      <em>since Ant 1.6</em>.
      (<code>yes</code> | <code>no</code>). Default is no.</td>
    <td align="center" valign="top">1.4+</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">noqualifier</td>
    <td valign="top">Enables the <code>-noqualifier</code> argument -
      must be <code>all</code> or a colon separated list of packages.
      <em>since Ant 1.6</em>.</td>
    <td align="center" valign="top">1.4+</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">includenosourcepackages</td>
    <td valign="top">If set to true, packages that don't contain Java
      source but a package.html will get documented as well.
      <em>since Ant 1.6.3</em>.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No (default is <code>false</code>)</td>
  </tr>
  <tr>
    <td valign="top">executable</td>
    <td valign="top">Specify a particular <code>javadoc</code> executable
      to use in place of the default binary (found in the same JDK as Ant is running in).
      <em>since Ant 1.6.3</em>.</td>
    <td align="center" valign="top">all</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">docfilessubdirs</td>
    <td valign="top">Enables deep-copying of <code>doc-files</code>
      subdirectories.  Defaults to false. <em>since Ant 1.8.0</em>.</td>
    <td align="center" valign="top">1.4</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">excludedocfilessubdir</td>
    <td valign="top">Colon-separated list of <code>doc-files</code>'
      subdirectories to exclude if <code>docfilessubdirs</code> is
      true. <em>since Ant 1.8.0</em>.</td>
    <td align="center" valign="top">1.4</td>
    <td align="center" valign="top">No</td>
  </tr>
</table>

<h4><a name="groupattribute">Format of the group attribute</a></h4>
<p>The arguments are comma-delimited. Each single argument is 2
space-delimited strings, where the first one is the group's title and
the second one a colon delimited list of packages.</p>
<p>If you need to specify more than one group, or a group whose title
contains a comma or a space character, using <a
href="#groupelement">nested group elements</a> is highly
recommended.</p>
<p>E.g.:</p>
<pre>    group=&quot;XSLT_Packages org.apache.xalan.xslt*,XPath_Packages org.apache.xalan.xpath*&quot;</pre>

<h3>Parameters specified as nested elements</h3>

<h4>packageset</h4>

<p>A <a href="../CoreTypes/dirset.html">DirSet</a>.  All matched
directories that contain Java source files will be passed to javadoc
as package names.  Package names are created from the directory names
by translating the directory separator into dots.  Ant assumes the
base directory of the packageset points to the root of a package
hierarchy.</p>

<p>The <code>packagenames</code>, <code>excludepackagenames</code> and
<code>defaultexcludes</code> attributes of the task have no effect on
the nested <code>&lt;packageset&gt;</code> elements.</p>

<h4>fileset</h4>

<p>A <a href="../CoreTypes/fileset.html">FileSet</a>.  All matched
files will be passed to javadoc as source files.  Ant will
automatically add the include pattern <code>**/*.java</code> (and
<code>**/package.html</code> if includenosourcepackages is true) to
these filesets.</p>

<p>Nested filesets can be used to document sources that are in the
default package or if you want to exclude certain files from
documentation.  If you want to document all source files and don't use
the default package, packagesets should be used instead as this
increases javadocs performance.</p>

<p>The <code>packagenames</code>, <code>excludepackagenames</code> and
<code>defaultexcludes</code> attributes of the task have no effect on
the nested <code>&lt;fileset&gt;</code> elements.</p>

<h4>sourcefiles</h4>

<p>A container for arbitrary file system based <a
href="../CoreTypes/resources.html#collection">resource
collections</a>.  All files contained in any of the nested collections
(this includes nested filesets, filelists or paths) will be passed to
javadoc as source files.</p>

<h4>package</h4>
<p>Same as one entry in the list given by <code>packagenames</code>.</p>

<h5>Parameters</h5>
<table width="90%" border="1" cellpadding="2" cellspacing="0">
  <tr>
    <td valign="top"><b>Attribute</b></td>
    <td valign="top"><b>Description</b></td>
    <td align="center" valign="top"><b>Required</b></td>
  </tr>
  <tr>
    <td valign="top">name</td>
    <td valign="top">The package name (may be a wildcard)</td>
    <td align="center" valign="top">Yes</td>
  </tr>
</table>

<h4>excludepackage</h4>
<p>Same as one entry in the list given by <code>excludepackagenames</code>.</p>

<h5>Parameters</h5>
Same as for <code>package</code>.

<h4>source</h4>
<p>Same as one entry in the list given by <code>sourcefiles</code>.</p>

<h5>Parameters</h5>
<table width="90%" border="1" cellpadding="2" cellspacing="0">
  <tr>
    <td valign="top"><b>Attribute</b></td>
    <td valign="top"><b>Description</b></td>
    <td align="center" valign="top"><b>Required</b></td>
  </tr>
  <tr>
    <td valign="top">file</td>
    <td valign="top">The source file to document</td>
    <td align="center" valign="top">Yes</td>
  </tr>
</table>

<h4>doctitle</h4>

<p>Same as the <code>doctitle</code> attribute, but you can nest text
inside the element this way.</p>

<p>If the nested text contains line breaks, you must use the
  useexternalfile attribute and set it to true.</p>

<h4>header</h4>

<p>Similar to <code>&lt;doctitle&gt;</code>.</p>

<h4>footer</h4>

<p>Similar to <code>&lt;doctitle&gt;</code>.</p>

<h4>bottom</h4>

<p>Similar to <code>&lt;doctitle&gt;</code>.</p>

<h4>link</h4>
<p>Create link to javadoc output at the given URL. This performs the
same role as the link and linkoffline attributes. You can use either
syntax (or both at once), but with the nested elements you can easily
specify multiple occurrences of the arguments.</p>

<h5>Parameters</h5>
<table width="90%" border="1" cellpadding="2" cellspacing="0">
  <tr>
    <td valign="top"><b>Attribute</b></td>
    <td valign="top"><b>Description</b></td>
    <td align="center" valign="top"><b>Required</b></td>
  </tr>
  <tr>
    <td valign="top">href</td>
    <td valign="top">The URL for the external documentation you wish
    to link to.  This can be an absolute URL, or a relative file
    name.</td>
    <td align="center" valign="top">Yes</td>
  </tr>
  <tr>
    <td valign="top">offline</td>
    <td valign="top">True if this link is not available online at the time of
                     generating the documentation</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">packagelistLoc</td>
    <td valign="top">The location to the directory containing the package-list file for
                     the external documentation</td>
    <td align="center" valign="top" rowspan="2">One of the two if the offline attribute is true</td>
  </tr>
  <tr>
    <td valign="top">packagelistURL</td>
    <td valign="top">The URL of the the directory containing the package-list file for
                     the external documentation</td>
  </tr>
  <tr>
    <td valign="top">resolveLink</td>
    <td valign="top">If the link attribute is a relative file name,
    Ant will first try to locate the file relative to the current
    project's basedir and if it finds a file there use an absolute URL
    for the link attribute, otherwise it will pass the file name
    verbatim to the javadoc command.</td>
    <td align="center" valign="top">No, default is false.</td>
  </tr>
</table>

<h4><a name="groupelement">group</a></h4>
<p>Separates packages on the overview page into whatever groups you
specify, one group per table. This performs the same role as the group
attribute. You can use either syntax (or both at once), but with the
nested elements you can easily specify multiple occurrences of the
arguments.</p>

<h5>Parameters</h5>
<table width="90%" border="1" cellpadding="2" cellspacing="0">
  <tr>
    <td valign="top"><b>Attribute</b></td>
    <td valign="top"><b>Description</b></td>
    <td align="center" valign="top"><b>Required</b></td>
  </tr>
  <tr>
    <td valign="top">title</td>
    <td valign="top">Title of the group</td>
    <td align="center" valign="top">Yes, unless nested <code>&lt;title&gt;</code> given</td>
  </tr>
  <tr>
    <td valign="top">packages</td>
    <td valign="top">List of packages to include in that group. Multiple packages are separated with ':'.</td>
    <td align="center" valign="top">Yes, unless nested <code>&lt;package&gt;</code>s given</td>
  </tr>
</table>

<p>The title may be specified as a nested <code>&lt;title&gt;</code> element
with text contents, and the packages may be listed with nested
<code>&lt;package&gt;</code> elements as for the main task.</p>

<h4>doclet</h4>
<p>The doclet nested element is used to specify the
<a href="http://java.sun.com/j2se/1.4.2/docs/tooldocs/javadoc/overview.html">doclet</a>
that javadoc will use to process the input source files. A number of the standard javadoc arguments
are actually arguments of the standard doclet. If these are specified in the javadoc
task's attributes, they will be passed to the doclet specified in the
<code>&lt;doclet&gt;</code> nested element. Such attributes should only be specified,
therefore, if they can be interpreted by the doclet in use.</p>

<p>If the doclet requires additional parameters, these can be specified with
<code>&lt;param&gt;</code> elements within the <code>&lt;doclet&gt;</code>
element. These parameters are restricted to simple strings. An example usage
of the doclet element is shown below:</p>

<pre>  &lt;javadoc ... &gt;
     &lt;doclet name=&quot;theDoclet&quot;
             path=&quot;path/to/theDoclet&quot;&gt;
        &lt;param name=&quot;-foo&quot; value=&quot;foovalue&quot;/&gt;
        &lt;param name=&quot;-bar&quot; value=&quot;barvalue&quot;/&gt;
     &lt;/doclet&gt;
  &lt;/javadoc&gt;
</pre>

<h4><a name="tagelement">tag</a></h4>

<p>If you want to specify a standard tag using a nested tag element
because you want to determine the order the tags are output, you must
not set the description attribute for those tags.</p>

<h5>Parameters</h5>
<table width="90%" border="1" cellpadding="2" cellspacing="0">
  <tr>
    <td valign="top"><b>Attribute</b></td>
    <td valign="top"><b>Description</b></td>
    <td align="center" valign="top"><b>Required</b></td>
  </tr>
  <tr>
    <td valign="top">name</td>
    <td valign="top">Name of the tag (e.g. <code>todo</code>)</td>
    <td align="center" valign="top">Yes, unless the <code>dir</code> attribute is specified.</td>
  </tr>
  <tr>
    <td valign="top">description</td>
    <td valign="top">Description for tag (e.g. <code>To do:</code>)</td>
    <td align="center" valign="top">
      No, the javadoc executable will pick a default if this is not specified.
    </td>
  </tr>
  <tr>
    <td valign="top">enabled</td>
    <td valign="top">Whether or not the tag is enabled (defaults to <code>true</code>)</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">scope</td>
    <td valign="top">Scope for the tag - the elements in which it can be used. This
    is a comma separated list of some of the elements: <code>overview</code>,
    <code>packages</code>, <code>types</code>, <code>constructors</code>,
    <code>methods</code>, <code>fields</code> or the default, <code>all</code>.</td>
    <td align="center" valign="top">No</td>
  </tr>
  <tr>
    <td valign="top">dir</td>
    <td valign="top">If this attribute is specified, this element will behave as an implicit
    <a href="../CoreTypes/fileset.html">fileset</a>. The files included by this fileset should
    contain each tag definition on a separate line, as described in the
    <a href="http://java.sun.com/j2se/1.4.2/docs/tooldocs/windows/javadoc.html#tag">Javadoc reference guide</a>:
    <pre>ejb.bean:t:XDoclet EJB Tag
todo:a:To Do</pre>
      <b>Note:</b> The  Javadoc reference quide has double quotes around
the description part of the definition. This will not work when used in
a file, as the definition is quoted again when given to
the javadoc program.
    <br/>
      <b>Note:</b> If this attribute is specified, all the other attributes in this
    element will be ignored.
    </td>
    <td align="center" valign="top">No</td>
  </tr>
</table>

<h4><a name="tagletelement">taglet</a></h4>
<p>The taglet nested element is used to specify custom
  <a href="http://java.sun.com/j2se/1.4.2/docs/tooldocs/javadoc/taglet/overview.html">taglets</a>.</p>

<h5>Parameters</h5>
<table width="90%" border="1" cellpadding="2" cellspacing="0">
  <tr>
    <td valign="top"><b>Attribute</b></td>
    <td valign="top"><b>Description</b></td>
    <td align="center" valign="top"><b>Required</b></td>
  </tr>
  <tr>
    <td valign="top">name</td>
    <td valign="top">The name of the taglet class
              (e.g. <a href="http://java.sun.com/j2se/1.4.2/docs/tooldocs/javadoc/taglet/ToDoTaglet.java">
              <code>com.sun.tools.doclets.ToDoTaglet</code></a>)</td>
    <td align="center" valign="top">Yes</td>
  </tr>
  <tr>
    <td valign="top">path</td>
    <td valign="top">A path specifying the search path for the taglet class
            (e.g. <code>/home/taglets</code>).
            The path may also be specified by a nested <code>&lt;path&gt;</code> element</td>
    <td align="center" valign="top">No</td>
  </tr>
</table>

<h4>sourcepath, classpath and bootclasspath</h4>
<p><code>Javadoc</code>'s <i>sourcepath</i>, <i>classpath</i> and
<i>bootclasspath</i> attributes are <a href="../using.html#path">PATH like
structure</a> and can also be set via nested <i>sourcepath</i>,
<i>classpath</i> and <i>bootclasspath</i> elements
respectively.</p>

<h4>arg</h4>

<p>Use nested <code>&lt;arg&gt;</code> to specify additional
arguments.  See <a href="../using.html#arg">Command line
arguments</a>. <em>Since Ant 1.6</em></p>

<h3>Example</h3>
<pre>  &lt;javadoc packagenames=&quot;com.dummy.test.*&quot;
           sourcepath=&quot;src&quot;
           excludepackagenames=&quot;com.dummy.test.doc-files.*&quot;
           defaultexcludes=&quot;yes&quot;
           destdir=&quot;docs/api&quot;
           author=&quot;true&quot;
           version=&quot;true&quot;
           use=&quot;true&quot;
           windowtitle=&quot;Test API&quot;&gt;
    &lt;doctitle&gt;&lt;![CDATA[&lt;h1&gt;Test&lt;/h1&gt;]]&gt;&lt;/doctitle&gt;
    &lt;bottom&gt;&lt;![CDATA[&lt;i&gt;Copyright &amp;#169; 2000 Dummy Corp. All Rights Reserved.&lt;/i&gt;]]&gt;&lt;/bottom&gt;
    &lt;tag name=&quot;todo&quot; scope=&quot;all&quot; description=&quot;To do:&quot;/&gt;
    &lt;group title=&quot;Group 1 Packages&quot; packages=&quot;com.dummy.test.a*&quot;/&gt;
    &lt;group title=&quot;Group 2 Packages&quot; packages=&quot;com.dummy.test.b*:com.dummy.test.c*&quot;/&gt;
    &lt;link offline=&quot;true&quot; href=&quot;http://java.sun.com/j2se/1.5.0/docs/api/&quot; packagelistLoc=&quot;C:\tmp&quot;/&gt;
    &lt;link href=&quot;http://developer.java.sun.com/developer/products/xml/docs/api/&quot;/&gt;
  &lt/javadoc&gt;</pre>

<p>is the same as</p>

<pre>  &lt;javadoc
           destdir=&quot;docs/api&quot;
           author=&quot;true&quot;
           version=&quot;true&quot;
           use=&quot;true&quot;
           windowtitle=&quot;Test API&quot;&gt;

    &lt;packageset dir=&quot;src&quot; defaultexcludes=&quot;yes&quot;&gt;
      &lt;include name=&quot;com/dummy/test/**&quot;/&gt;
      &lt;exclude name=&quot;com/dummy/test/doc-files/**&quot;/&gt;
    &lt;/packageset&gt;

    &lt;doctitle&gt;&lt;![CDATA[&lt;h1&gt;Test&lt;/h1&gt;]]&gt;&lt;/doctitle&gt;
    &lt;bottom&gt;&lt;![CDATA[&lt;i&gt;Copyright &amp;#169; 2000 Dummy Corp. All Rights Reserved.&lt;/i&gt;]]&gt;&lt;/bottom&gt;
    &lt;tag name=&quot;todo&quot; scope=&quot;all&quot; description=&quot;To do:&quot;/&gt;
    &lt;group title=&quot;Group 1 Packages&quot; packages=&quot;com.dummy.test.a*&quot;/&gt;
    &lt;group title=&quot;Group 2 Packages&quot; packages=&quot;com.dummy.test.b*:com.dummy.test.c*&quot;/&gt;
    &lt;link offline=&quot;true&quot; href=&quot;http://java.sun.com/j2se/1.5.0/docs/api/&quot; packagelistLoc=&quot;C:\tmp&quot;/&gt;
    &lt;link href=&quot;http://developer.java.sun.com/developer/products/xml/docs/api/&quot;/&gt;
  &lt/javadoc&gt;</pre>

<p>or</p>

<pre>  &lt;javadoc
           destdir=&quot;docs/api&quot;
           author=&quot;true&quot;
           version=&quot;true&quot;
           use=&quot;true&quot;
           windowtitle=&quot;Test API&quot;&gt;

    &lt;fileset dir=&quot;src&quot; defaultexcludes=&quot;yes&quot;&gt;
      &lt;include name=&quot;com/dummy/test/**&quot;/&gt;
      &lt;exclude name=&quot;com/dummy/test/doc-files/**&quot;/&gt;
    &lt;/fileset&gt;

    &lt;doctitle&gt;&lt;![CDATA[&lt;h1&gt;Test&lt;/h1&gt;]]&gt;&lt;/doctitle&gt;
    &lt;bottom&gt;&lt;![CDATA[&lt;i&gt;Copyright &amp;#169; 2000 Dummy Corp. All Rights Reserved.&lt;/i&gt;]]&gt;&lt;/bottom&gt;
    &lt;tag name=&quot;todo&quot; scope=&quot;all&quot; description=&quot;To do:&quot;/&gt;
    &lt;group title=&quot;Group 1 Packages&quot; packages=&quot;com.dummy.test.a*&quot;/&gt;
    &lt;group title=&quot;Group 2 Packages&quot; packages=&quot;com.dummy.test.b*:com.dummy.test.c*&quot;/&gt;
    &lt;link offline=&quot;true&quot; href=&quot;http://java.sun.com/j2se/1.5.0/docs/api/&quot; packagelistLoc=&quot;C:\tmp&quot;/&gt;
    &lt;link href=&quot;http://developer.java.sun.com/developer/products/xml/docs/api/&quot;/&gt;
  &lt/javadoc&gt;</pre>


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