package org.apache.maven.plugin.plugin.metadata;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 import org.apache.maven.artifact.Artifact;

 import org.apache.maven.artifact.repository.metadata.ArtifactRepositoryMetadata;

 import org.apache.maven.artifact.repository.metadata.GroupRepositoryMetadata;

 import org.apache.maven.artifact.repository.metadata.Versioning;

 import org.apache.maven.plugin.AbstractMojo;

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.maven.plugin.descriptor.PluginDescriptor;

 import org.apache.maven.project.MavenProject;

 /**

  * Inject any plugin-specific

  * <a href="/ref/current/maven-repository-metadata/repository-metadata.html">artifact metadata</a> to the project's

  * artifact, for subsequent installation and deployment.

  * It is used:

  * <ol>

  * <li>to add the <code>latest</code> metadata (which is plugin-specific) for shipping alongside the plugin's artifact</li>

  * <li>to define plugin mapping in the group</li>

  * </ol>

  *

  * @see ArtifactRepositoryMetadata

  * @see GroupRepositoryMetadata

  * @version $Id: AddPluginArtifactMetadataMojo.java 1337501 2012-05-12 10:29:14Z olamy $

  * @since 2.0

  * @phase package

  * @goal addPluginArtifactMetadata

  * @threadSafe

  */

 public class AddPluginArtifactMetadataMojo

     extends AbstractMojo

 {

     /**

      * The project artifact, which should have the <code>latest</code> metadata added to it.

      *

      * @parameter default-value="${project}"

      * @required

      * @readonly

      */

     private MavenProject project;

     /**

      * The prefix for the plugin goal.

      *

      * @parameter

      */

     private String goalPrefix;

     /**

      * Set this to "true" to skip invoking any goals or reports of the plugin.

      *

      * @parameter default-value="false" expression="${maven.plugin.skip}"

      * @since 2.8

      */

     private boolean skip;

     /** {@inheritDoc} */

     public void execute()

         throws MojoExecutionException

     {

         if ( skip )

         {

             getLog().warn( "Execution skipped" );

             return;

         }

         Artifact projectArtifact = project.getArtifact();

         Versioning versioning = new Versioning();

         versioning.setLatest( projectArtifact.getVersion() );

         versioning.updateTimestamp();

         ArtifactRepositoryMetadata metadata = new ArtifactRepositoryMetadata( projectArtifact, versioning );

         projectArtifact.addMetadata( metadata );

         GroupRepositoryMetadata groupMetadata = new GroupRepositoryMetadata( project.getGroupId() );

         groupMetadata.addPluginMapping( getGoalPrefix(), project.getArtifactId(), project.getName() );

         projectArtifact.addMetadata( groupMetadata );

     }

     /**

      * @return the goal prefix parameter or the goal prefix from the Plugin artifactId.

      */

     private String getGoalPrefix()

     {

         if ( goalPrefix == null )

         {

             goalPrefix = PluginDescriptor.getGoalPrefixFromArtifactId( project.getArtifactId() );

         }

         return goalPrefix;

     }

 }