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 * @since 1.6
37 */
38 public class IntegrityBlameConsumer
39 implements StreamConsumer
40 {
41 private ScmLogger logger;
42
43 private List<BlameLine> blameList;
44
45 private SimpleDateFormat dateFormat;
46
47 /**
48 * IntegrityBlameConsumer constructor requires a ScmLogger to log all the activity
49 *
50 * @param logger ScmLogger object
51 */
52 public IntegrityBlameConsumer( ScmLogger logger )
53 {
54 this.logger = logger;
55 this.blameList = new ArrayList<BlameLine>();
56 this.dateFormat = new SimpleDateFormat( "MMM dd, yyyy z" );
57 }
58
59 /**
60 * {@inheritDoc}
61 */
62 public void consumeLine( String line )
63 {
64 // Parse the annotate output which should return the three pieces of data
65 logger.debug( line );
66 if ( null != line && line.trim().length() > 0 )
67 {
68 String[] tokens = StringUtils.split( line, "\t" );
69 if ( tokens.length != 3 )
70 {
71 logger.warn( "Failed to parse line: " + line );
72 }
73 else
74 {
75 try
76 {
77 blameList.add( new BlameLine( dateFormat.parse( tokens[0] ), tokens[1], tokens[2] ) );
78 }
79 catch ( ParseException e )
80 {
81 logger.error( "Failed to date string: " + tokens[0] );
82 }
83 }
84 }
85 }
86
87 /**
88 * Returns a list of BlameLine objects found from parsing the 'si annotate' output
89 *
90 * @return
91 */
92 public List<BlameLine> getBlameList()
93 {
94 return blameList;
95 }
96 }