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1   package org.apache.maven.model.interpolation;
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 java.util.Properties;
23  
24  import javax.inject.Named;
25  import javax.inject.Singleton;
26  
27  import org.apache.maven.model.building.ModelBuildingRequest;
28  
29  /**
30   * Maven default implementation of the {@link ModelVersionProcessor} to support
31   * <a href="https://maven.apache.org/maven-ci-friendly.html">CI Friendly Versions</a>
32   */
33  @Named
34  @Singleton
35  public class DefaultModelVersionProcessor
36      implements ModelVersionProcessor
37  {
38  
39      private static final String SHA1_PROPERTY = "sha1";
40  
41      private static final String CHANGELIST_PROPERTY = "changelist";
42  
43      private static final String REVISION_PROPERTY = "revision";
44  
45      @Override
46      public boolean isValidProperty( String property )
47      {
48          return REVISION_PROPERTY.equals( property ) || CHANGELIST_PROPERTY.equals( property )
49              || SHA1_PROPERTY.equals( property );
50      }
51  
52      @Override
53      public void overwriteModelProperties( Properties modelProperties, ModelBuildingRequest request )
54      {
55          if ( request.getSystemProperties().containsKey( REVISION_PROPERTY ) )
56          {
57              modelProperties.put( REVISION_PROPERTY, request.getSystemProperties().get( REVISION_PROPERTY ) );
58          }
59          if ( request.getSystemProperties().containsKey( CHANGELIST_PROPERTY ) )
60          {
61              modelProperties.put( CHANGELIST_PROPERTY, request.getSystemProperties().get( CHANGELIST_PROPERTY ) );
62          }
63          if ( request.getSystemProperties().containsKey( SHA1_PROPERTY ) )
64          {
65              modelProperties.put( SHA1_PROPERTY, request.getSystemProperties().get( SHA1_PROPERTY ) );
66          }
67  
68      }
69  }