 ------
 Usage
 ------
 Vincent Siveton
 Maria Odea Ching
 ------
 2009-09-11
 ------

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~~
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~~
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Usage

 The Javadoc Plugin generates javadocs using the Javadoc tool. The following examples describe the basic usage of the
 Plugin.

* Generate Javadocs As Part Of Project Reports

 To generate javadocs as part of the site generation, you should add the Javadoc Plugin in the \<reporting\> section of your pom:

+-----+
<project>
  ...
  <reporting>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-javadoc-plugin</artifactId>
        <version>${project.version}</version>
        <configuration>
          ...
        </configuration>
      </plugin>
    </plugins>
    ...
  </reporting>
  ...
</project>
+-----+

 When you execute <<<mvn site>>>, the javadocs will be generated and included in the generated site. A link to the javadocs
 will be added in the Project Reports menu.

* Generate Standalone Javadocs

 To generate standalone javadocs for the project, you could add the Javadoc Plugin in the \<build\> section of your pom
 (if no configuration defined, the plugin uses default values):

+-----+
<project>
  ...
  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-javadoc-plugin</artifactId>
        <version>${project.version}</version>
        <configuration>
          ...
        </configuration>
      </plugin>
    </plugins>
    ...
  </build>
  ...
</project>
+-----+

 And execute any of the following commands:

+-----+
mvn javadoc:javadoc
mvn javadoc:jar
mvn javadoc:aggregate
mvn javadoc:aggregate-jar
mvn javadoc:test-javadoc
mvn javadoc:test-jar
mvn javadoc:test-aggregate
mvn javadoc:test-aggregate-jar
+-----+

 For all <<<jar>>> goals, the javadocs are first generated and then packaged into a jar file.

* Javadoc Configuration

 The Javadoc Plugin supports a large number of configuration parameters. Each configuration parameter turns into
 a tag name.

 Please refer to the {{{./javadoc-mojo.html}Javadoc Plugin Documentation}} for a listing of these parameters. Most
 of these parameters are passed directly to the Javadoc tool itself.

 <<IMPORTANT NOTE>>: configuring the Javadoc plugin in the \<reporting/\> or \<build/\> elements in the pom have
 <<NOT>> the same behavior as described in the
 {{{http://maven.apache.org/guides/mini/guide-configuring-plugins.html#Using_the_reporting_Tag_VS_build_Tag}Guide to Configuring Plug-ins}}.

 For instance, if you have the following snippet:

+-----+
<project>
  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-javadoc-plugin</artifactId>
        <version>${project.version}</version>
        <configuration>
          <show>private</show>
          <nohelp>true</nohelp>
        </configuration>
      </plugin>
    </plugins>
  </build>

  <reporting>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-javadoc-plugin</artifactId>
        <version>${project.version}</version>
        <configuration>
          <stylesheetfile>${basedir}/src/main/javadoc/stylesheet.css</stylesheetfile>
          <show>public</show>
        </configuration>
      </plugin>
    </plugins>
  </reporting>
</project>
+-----+

 [<<<mvn site>>>] It will generate the Javadoc for public members (defined in \<reporting/\>) using the given
 stylesheet (defined in \<reporting/\>), and with a help page (default value for
 {{{./javadoc-mojo.html#nohelp}nohelp}} is false).

 [<<<mvn javadoc:javadoc>>>] It will generate the Javadoc for private members (defined in \<build/\>) using the
 stylesheet (defined in \<reporting/\>), and with no help page (defined in \<build/\>).

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