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1   package org.codehaus.plexus.maven.plugin;
2   
3   /*
4    * Copyright (c) 2004-2005, Codehaus.org
5    *
6    * Permission is hereby granted, free of charge, to any person obtaining a copy of
7    * this software and associated documentation files (the "Software"), to deal in
8    * the Software without restriction, including without limitation the rights to
9    * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
10   * of the Software, and to permit persons to whom the Software is furnished to do
11   * so, subject to the following conditions:
12   *
13   * The above copyright notice and this permission notice shall be included in all
14   * copies or substantial portions of the Software.
15   *
16   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22   * SOFTWARE.
23   */
24  
25  import java.io.File;
26  import java.util.Collections;
27  
28  import org.apache.maven.plugin.MojoExecutionException;
29  import org.apache.maven.artifact.handler.ArtifactHandler;
30  
31  /**
32   * Generates a Plexus <tt>components.xml</tt> component descriptor file from source (javadoc) or class annotations.
33   *
34   * @goal descriptor
35   * @phase process-classes
36   * @requiresDependencyResolution compile
37   *
38   * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
39   * @version $Id$
40   */
41  public class PlexusDescriptorMojo
42      extends AbstractDescriptorMojo
43  {
44      /**
45       * The directory where the descriptor is written.
46       *
47       * @parameter expression="${project.build.outputDirectory}"
48       * @required
49       */
50      private File outputDirectory;
51  
52      public void execute() throws MojoExecutionException {
53          // Only execute if the current project looks like its got Java bits in it
54          ArtifactHandler artifactHandler = getMavenProject().getArtifact().getArtifactHandler();
55  
56          if (!"java".equals(artifactHandler.getLanguage())) {
57              log.debug("Not executing on non-Java project");
58          }
59          else {
60              generateDescriptor(COMPILE_SCOPE, new File(outputDirectory, fileName));
61          }
62      }
63  }