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1   package org.apache.maven.scm.provider.accurev.cli;
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.List;
23  import java.util.Map;
24  
25  import org.apache.maven.scm.log.ScmLogger;
26  import org.apache.maven.scm.provider.accurev.FileDifference;
27  
28  public class DiffConsumer
29      extends XppStreamConsumer
30  {
31  
32      private List<FileDifference> results;
33  
34      private FileDifference currentDifference;
35  
36      public DiffConsumer( ScmLogger logger, List<FileDifference> results )
37      {
38          super( logger );
39          this.results = results;
40      }
41  
42      @Override
43      protected void startTag( List<String> tagPath, Map<String, String> attributes )
44      {
45          String tagName = getTagName( tagPath );
46          if ( "Element".equals( tagName ) )
47          {
48              currentDifference = new FileDifference();
49          }
50          else if ( "Stream2".equals( tagName ) && attributes.get( "Name" ) != null)
51          {
52              currentDifference.setElementId( Long.parseLong( attributes.get( "eid" ) ) );
53              currentDifference.setNewVersion( attributes.get( "Name" ), attributes.get( "Version" ) );
54          }
55          else if ( "Stream1".equals( tagName ) && attributes.get( "Name" ) != null )
56          {
57              currentDifference.setElementId( Long.parseLong( attributes.get( "eid" ) ) );
58              currentDifference.setOldVersion( attributes.get( "Name" ), attributes.get( "Version" ) );
59          }
60  
61      }
62  
63      @Override
64      protected void endTag( List<String> tagPath )
65      {
66          String tagName = getTagName( tagPath );
67          if ( "Element".equals( tagName ) )
68          {
69              if (currentDifference.getNewFile() != null || currentDifference.getOldFile() != null) {
70                  results.add( currentDifference );
71              }
72          }
73      }
74  
75  }