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1   package org.apache.maven.plugin;
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.artifact.Artifact;
23  import org.apache.maven.plugin.descriptor.PluginDescriptor;
24  import org.codehaus.plexus.component.discovery.ComponentDiscoveryEvent;
25  import org.codehaus.plexus.component.discovery.ComponentDiscoveryListener;
26  import org.codehaus.plexus.component.repository.ComponentSetDescriptor;
27  
28  import java.util.ArrayList;
29  import java.util.List;
30  
31  public class MavenPluginValidator
32      implements ComponentDiscoveryListener
33  {
34      private final Artifact pluginArtifact;
35  
36      private List/*<String>*/ errors = new ArrayList/*<String>*/();
37  
38      public MavenPluginValidator( Artifact pluginArtifact )
39      {
40          this.pluginArtifact = pluginArtifact;
41      }
42  
43      public void componentDiscovered( ComponentDiscoveryEvent event )
44      {
45          ComponentSetDescriptor componentSetDescriptor = event.getComponentSetDescriptor();
46  
47          if ( componentSetDescriptor instanceof PluginDescriptor )
48          {
49              PluginDescriptor pluginDescriptor = (PluginDescriptor) componentSetDescriptor;
50              
51              if ( !pluginArtifact.getGroupId().equals( pluginDescriptor.getGroupId() ) )
52              {
53                  errors.add( "Plugin's descriptor contains the wrong group ID: " + pluginDescriptor.getGroupId() );
54              }
55              
56              if ( !pluginArtifact.getArtifactId().equals( pluginDescriptor.getArtifactId() ) )
57              {
58                  errors.add( "Plugin's descriptor contains the wrong artifact ID: " + pluginDescriptor.getArtifactId() );
59              }
60              
61              if ( !pluginArtifact.getBaseVersion().equals( pluginDescriptor.getVersion() ) )
62              {
63                  errors.add( "Plugin's descriptor contains the wrong version: " + pluginDescriptor.getVersion() );
64              }
65          }
66      }
67  
68      public boolean hasErrors()
69      {
70          return !errors.isEmpty();
71      }
72  
73      public List/*<String>*/ getErrors()
74      {
75          return errors;
76      }
77  }
78