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1   package org.apache.maven.scm.provider.jazz.command.blame;
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.scm.command.blame.BlameLine;
23  import org.apache.maven.scm.log.ScmLogger;
24  import org.apache.maven.scm.provider.ScmProviderRepository;
25  import org.apache.maven.scm.provider.jazz.command.consumer.AbstractRepositoryConsumer;
26  
27  import java.text.SimpleDateFormat;
28  import java.util.ArrayList;
29  import java.util.Date;
30  import java.util.List;
31  import java.util.TimeZone;
32  import java.util.regex.Matcher;
33  import java.util.regex.Pattern;
34  
35  //STATUS: NOT DONE
36  
37  /**
38   * Consume the output of the scm command for the "blame" operation.
39   *
40   * @author <a href="mailto:ChrisGWarp@gmail.com">Chris Graham</a>
41   */
42  public class JazzBlameConsumer
43      extends AbstractRepositoryConsumer
44  {
45      private static final String JAZZ_TIMESTAMP_PATTERN = "yyyy-MM-dd";
46  
47  //  1 Deb (1008) 2011-12-14                       Test.txt
48  //  2 Deb (1005) 2011-12-14 59 My commit comment.
49  
50      private static final Pattern LINE_PATTERN = Pattern.compile( "(\\d+) (.*) \\((\\d+)\\) (\\d+-\\d+-\\d+) (.*)" );
51  
52      private List<BlameLine> fLines = new ArrayList<BlameLine>();
53  
54      private SimpleDateFormat dateFormat;
55  
56      /**
57       * Construct the JazzBlameCommand consumer.
58       *
59       * @param repository The repository we are working with.
60       * @param logger     The logger to use.
61       */
62      public JazzBlameConsumer( ScmProviderRepository repository, ScmLogger logger )
63      {
64          super( repository, logger );
65  
66          dateFormat = new SimpleDateFormat( JAZZ_TIMESTAMP_PATTERN );
67          dateFormat.setTimeZone( TimeZone.getTimeZone( "UTC" ) );
68      }
69  
70      /**
71       * Process one line of output from the execution of the "scm annotate" command.
72       *
73       * @param line The line of output from the external command that has been pumped to us.
74       * @see org.codehaus.plexus.util.cli.StreamConsumer#consumeLine(java.lang.String)
75       */
76      public void consumeLine( String line )
77      {
78          super.consumeLine( line );
79  
80          Matcher matcher = LINE_PATTERN.matcher( line );
81          if ( matcher.matches() )
82          {
83              String lineNumberStr = matcher.group( 1 );
84              String owner = matcher.group( 2 );
85              String changeSetNumberStr = matcher.group( 3 );
86              String dateStr = matcher.group( 4 );
87              Date date = parseDate( dateStr, JAZZ_TIMESTAMP_PATTERN, null );
88              fLines.add( new BlameLine( date, changeSetNumberStr, owner ) );
89          }
90      }
91  
92      public List<BlameLine> getLines()
93      {
94          return fLines;
95      }
96  }