1 package org.apache.maven.scm.provider.integrity.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.codehaus.plexus.util.StringUtils;
25 import org.codehaus.plexus.util.cli.StreamConsumer;
26
27 import java.text.ParseException;
28 import java.text.SimpleDateFormat;
29 import java.util.ArrayList;
30 import java.util.List;
31
32 /**
33 * Helper class to consume the standard output from running the IntegrityBlameCommand
34 *
35 * @author <a href="mailto:cletus@mks.com">Cletus D'Souza</a>
36 * @version $Id: IntegrityBlameConsumer.java 1.2 2011/08/22 13:06:16EDT Cletus D'Souza (dsouza) Exp $
37 * @since 1.6
38 */
39 public class IntegrityBlameConsumer
40 implements StreamConsumer
41 {
42 private ScmLogger logger;
43
44 private List<BlameLine> blameList;
45
46 private SimpleDateFormat dateFormat;
47
48 /**
49 * IntegrityBlameConsumer constructor requires a ScmLogger to log all the activity
50 *
51 * @param logger ScmLogger object
52 */
53 public IntegrityBlameConsumer( ScmLogger logger )
54 {
55 this.logger = logger;
56 this.blameList = new ArrayList<BlameLine>();
57 this.dateFormat = new SimpleDateFormat( "MMM dd, yyyy z" );
58 }
59
60 /**
61 * {@inheritDoc}
62 */
63 public void consumeLine( String line )
64 {
65 // Parse the annotate output which should return the three pieces of data
66 logger.debug( line );
67 if ( null != line && line.trim().length() > 0 )
68 {
69 String[] tokens = StringUtils.split( line, "\t" );
70 if ( tokens.length != 3 )
71 {
72 logger.warn( "Failed to parse line: " + line );
73 }
74 else
75 {
76 try
77 {
78 blameList.add( new BlameLine( dateFormat.parse( tokens[0] ), tokens[1], tokens[2] ) );
79 }
80 catch ( ParseException e )
81 {
82 logger.error( "Failed to date string: " + tokens[0] );
83 }
84 }
85 }
86 }
87
88 /**
89 * Returns a list of BlameLine objects found from parsing the 'si annotate' output
90 *
91 * @return
92 */
93 public List<BlameLine> getBlameList()
94 {
95 return blameList;
96 }
97 }