1 package org.apache.maven.scm.provider.git.gitexe.command.remove;
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.ScmFile;
23 import org.apache.maven.scm.ScmFileStatus;
24 import org.apache.maven.scm.log.ScmLogger;
25 import org.apache.regexp.RE;
26 import org.apache.regexp.RESyntaxException;
27 import org.codehaus.plexus.util.cli.StreamConsumer;
28
29 import java.util.ArrayList;
30 import java.util.List;
31
32 /**
33 * @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
34 * @author Olivier Lamy
35 *
36 */
37 public class GitRemoveConsumer
38 implements StreamConsumer
39 {
40 /**
41 * The pattern used to match deleted file lines
42 */
43 private static final String REMOVED_PATTERN = "^rm\\s'(.*)'";
44
45 private ScmLogger logger;
46
47 private List<ScmFile> removedFiles = new ArrayList<ScmFile>();
48
49 /**
50 * @see #REMOVED_PATTERN
51 */
52 private RE removedRegexp;
53
54 // ----------------------------------------------------------------------
55 //
56 // ----------------------------------------------------------------------
57
58 public GitRemoveConsumer( ScmLogger logger )
59 {
60 this.logger = logger;
61 try
62 {
63 removedRegexp = new RE( REMOVED_PATTERN );
64 }
65 catch ( RESyntaxException ex )
66 {
67 throw new RuntimeException(
68 "INTERNAL ERROR: Could not create regexp to parse git log file. This shouldn't happen. Something is probably wrong with the oro installation.",
69 ex );
70 }
71 }
72
73 // ----------------------------------------------------------------------
74 // StreamConsumer Implementation
75 // ----------------------------------------------------------------------
76
77 /**
78 * {@inheritDoc}
79 */
80 public void consumeLine( String line )
81 {
82 if ( line.length() <= 2 )
83 {
84 return;
85 }
86
87 if ( removedRegexp.match( line ) )
88 {
89 String file = removedRegexp.getParen( 1 );
90 removedFiles.add( new ScmFile( file, ScmFileStatus.DELETED ) );
91 }
92 else
93 {
94 if ( logger.isInfoEnabled() )
95 {
96 logger.info( "could not parse line: " + line );
97 }
98
99 return;
100 }
101 }
102
103 public List<ScmFile> getRemovedFiles()
104 {
105 return removedFiles;
106 }
107
108 }