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<title>jarlib-manifest Task</title>
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<h2 id="jarlib-manifest">jarlib-manifest</h2>
<h3>Description</h3>
<p>Task to generate a manifest that declares all the dependencies in manifest. The dependencies are
determined by looking in the specified path and searching for Extension / "Optional Package"
specifications in the manifests of the jars.</p>

<p>Note that this task works with extensions as defined by the "Optional Package" specification.
For more information about optional packages, see the document <em>Optional Package Versioning</em>
in the documentation bundle for your Java Standard Edition package, in
file <code>guide/extensions/versioning.html</code> or the
online <a href="https://docs.oracle.com/javase/8/docs/technotes/guides/extensions/versioning.html"
target="_top">Extension and ExtensionSet documentation</a> for further details.</p>

<h3>Parameters</h3>
<table class="attr">
  <tr>
    <th scope="col">Attribute</th>
    <th scope="col">Description</th>
    <th scope="col">Required</th>
  </tr>
  <tr>
    <td>destfile</td>
    <td>The file to generate Manifest into</td>
    <td>Yes</td>
  </tr>
</table>
<h3>Parameters specified as nested elements</h3>

<h4>extension</h4>
<p><a href="../Types/extension.html">Extension</a> the extension that this library implements.</p>

<h4>depends</h4>
<p><a href="../Types/extensionset.html">ExtensionSet</a>s containing all dependencies for jar.</p>

<h4>options</h4>
<p><a href="../Types/extensionset.html">ExtensionSet</a>s containing all optional dependencies for
jar. (Optional dependencies will be used if present else they will be ignored)</p>

<h3>Examples</h3>
<p>Basic Manifest generated for single Extension</p>
<pre>
&lt;extension id=&quot;e1&quot;
           extensionName=&quot;MyExtensions&quot;
           specificationVersion=&quot;1.0&quot;
           specificationVendor=&quot;Peter Donald&quot;
           implementationVendorID=&quot;vv&quot;
           implementationVendor=&quot;Apache&quot;
           implementationVersion=&quot;2.0&quot;
           implementationURL=&quot;https://somewhere.com&quot;/&gt;

&lt;jarlib-manifest destfile=&quot;myManifest.txt&quot;&gt;
    &lt;extension refid=&quot;e1&quot;/&gt;
&lt;/jarlib-manifest&gt;</pre>

<p>Search for extension in fileset: a large example with required and optional dependencies</p>
<pre>
&lt;extension id=&quot;e1&quot;
           extensionName=&quot;MyExtensions&quot;
           specificationVersion=&quot;1.0&quot;
           specificationVendor=&quot;Peter Donald&quot;
           implementationVendorID=&quot;vv&quot;
           implementationVendor=&quot;Apache&quot;
           implementationVersion=&quot;2.0&quot;
           implementationURL=&quot;https://somewhere.com&quot;/&gt;

&lt;extensionSet id=&quot;option.ext&quot;&gt;
    &lt;libfileset dir=&quot;lib/option&quot;&gt;
        &lt;include name=&quot;**/*.jar&quot;/&gt;
    &lt;/libfileset&gt;
&lt;/extensionSet&gt;

&lt;extensionSet id=&quot;depends.ext&quot;&gt;
    &lt;libfileset dir=&quot;lib/required&quot;&gt;
        &lt;include name=&quot;*.jar&quot;/&gt;
    &lt;/libfileset&gt;
&lt;/extensionSet&gt;

&lt;jarlib-manifest destfile=&quot;myManifest.txt&quot;&gt;
    &lt;extension refid=&quot;e1&quot;/&gt;
    &lt;depends refid=&quot;depends.ext&quot;/&gt;
    &lt;options refid=&quot;option.ext&quot;/&gt;
&lt;/jarlib-manifest&gt;</pre>

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