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1   package org.apache.maven.archetype.mojos;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.maven.archetype.catalog.ArchetypeCatalog;
23  import org.apache.maven.archetype.repositorycrawler.RepositoryCrawler;
24  import org.apache.maven.plugin.AbstractMojo;
25  import org.apache.maven.plugin.MojoExecutionException;
26  import org.apache.maven.plugin.MojoFailureException;
27  
28  import java.io.File;
29  
30  /**
31   * Crawl a Maven repository (filesystem, not HTTP) and creates a catalog file.
32   *
33   * @author           rafale
34   * @requiresProject  false
35   * @goal             crawl
36   */
37  public class CrawlRepositoryMojo
38      extends AbstractMojo
39  {
40      /**
41       * The archetype's catalog to update.
42       *
43       * @parameter  expression="${catalog}"
44       */
45      private File catalogFile;
46  
47      /**
48       * @component
49       */
50      private RepositoryCrawler crawler;
51  
52      /**
53       * The repository to crawl.
54       *
55       * @parameter  expression="${repository}" default-value="${settings.localRepository}"
56       */
57      private File repository;
58  
59      public void execute()
60          throws MojoExecutionException, MojoFailureException
61      {
62          System.err.println( "repository " + repository );
63          System.err.println( "catalogFile " + catalogFile );
64  
65          if ( repository == null )
66          {
67              throw new MojoFailureException( "The repository is not defined. Use -Drepository=/path/to/repository" );
68          }
69  
70          ArchetypeCatalog catalog = crawler.crawl( repository );
71  
72          if ( catalogFile == null )
73          {
74              catalogFile = new File( repository, "archetype-catalog.xml" );
75          }
76  
77          crawler.writeCatalog( catalog, catalogFile );
78      }
79  }