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1   package org.apache.maven.shared.jar.identification.exposers;
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.shared.jar.JarAnalyzer;
23  import org.apache.maven.shared.jar.identification.JarIdentification;
24  import org.apache.maven.shared.jar.identification.JarIdentificationExposer;
25  
26  import java.util.Collections;
27  import java.util.Iterator;
28  import java.util.List;
29  
30  /**
31   * Exposer that examines a a JAR for classes that have <code>Version</code> in the name and calls their
32   * <code>main</code> method if it exists to obtain the version.
33   *
34   * @todo not currently implemented
35   * @plexus.component role="org.apache.maven.shared.jar.identification.JarIdentificationExposer"
36   *                   role-hint="staticMainOutput"
37   */
38  public class StaticMainOutputExposer
39      implements JarIdentificationExposer
40  {
41      public void expose( JarIdentification identification, JarAnalyzer jarAnalyzer )
42      {
43          List staticMains = findStaticMainVersions();
44          if ( !staticMains.isEmpty() )
45          {
46              Iterator itvers = staticMains.iterator();
47              while ( itvers.hasNext() )
48              {
49                  String ver = (String) itvers.next();
50                  identification.addVersion( ver );
51              }
52          }
53      }
54  
55      private List findStaticMainVersions()
56      {
57          // TODO: Execute the static main methods of classes with 'Version' in their name.
58          return Collections.EMPTY_LIST;
59      }
60  }