<chapter id="pmd_plugin">
    <title>The PMD Plugin</title>
    <para>The PMD plugin performs quality checks on your project's Java source files using <ulink url="http://pmd.sourceforge.net">PMD</ulink>
        and generates reports from these checks.
    </para>

    <section>
        <title>Usage</title>
        <para>To use the PMD plugin, include the following in your build script:</para>
        <sample id="usePmdPlugin" dir="codeQuality" title="Using the PMD plugin">
            <sourcefile file="build.gradle" snippet="use-pmd-plugin"/>
        </sample>
        <para>The plugin adds a number of tasks to the project that perform the quality checks. You can execute the checks by running <userinput>gradle check</userinput>.</para>
    </section>

    <section>
        <title>Tasks</title>
        <para>The PMD plugin adds the following tasks to the project:</para>
        <table>
            <title>PMD plugin - tasks</title>
            <thead>
                <tr>
                    <td>Task name</td>
                    <td>Depends on</td>
                    <td>Type</td>
                    <td>Description</td>
                </tr>
            </thead>
            <tr>
                <td>
                    <literal>pmdMain</literal>
                </td>
                <td>-</td>
                <td><apilink class="org.gradle.api.plugins.quality.Pmd"/></td>
                <td>Runs PMD against the production Java source files.</td>
            </tr>
            <tr>
                <td>
                    <literal>pmdTest</literal>
                </td>
                <td>-</td>
                <td><apilink class="org.gradle.api.plugins.quality.Pmd"/></td>
                <td>Runs PMD against the test Java source files.</td>
            </tr>
            <tr>
                <td>
                    <literal>pmd<replaceable>SourceSet</replaceable></literal>
                </td>
                <td>-</td>
                <td><apilink class="org.gradle.api.plugins.quality.Pmd"/></td>
                <td>Runs PMD against the given source set's Java source files.</td>
            </tr>
        </table>

        <para>The PMD plugin adds the following dependencies to tasks defined by the Java plugin.</para>
        <table>
            <title>PMD plugin - additional task dependencies</title>
            <thead>
                <td>Task name</td>
                <td>Depends on</td>
            </thead>
            <tr>
                <td><literal>check</literal></td>
                <td>All PMD tasks, including <literal>pmdMain</literal> and <literal>pmdTest</literal>.</td>
            </tr>
        </table>
    </section>

    <section>
        <title>Dependency management</title>
        <para>The PMD plugin adds the following dependency configurations:</para>
        <table>
            <title>PMD plugin - dependency configurations</title>
            <thead>
                <tr>
                    <td>Name</td>
                    <td>Meaning</td>
                </tr>
            </thead>
            <tr>
                <td>
                    <filename>pmd</filename>
                </td>
                <td>The PMD libraries to use</td>
            </tr>
        </table>
    </section>

    <section>
        <title>Configuration</title>
        <para>See the <apilink class="org.gradle.api.plugins.quality.PmdExtension"/> class in the API documentation.</para>
    </section>

</chapter>