View Javadoc
1   package org.apache.maven.scm.provider.perforce.command.unedit;
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.ArrayList;
23  import java.util.List;
24  import java.util.regex.Matcher;
25  import java.util.regex.Pattern;
26  
27  import org.apache.maven.scm.ScmFile;
28  import org.apache.maven.scm.ScmFileStatus;
29  import org.apache.maven.scm.provider.perforce.command.AbstractPerforceConsumer;
30  import org.codehaus.plexus.util.cli.StreamConsumer;
31  
32  /**
33   * @author Mike Perham
34   * @author Olivier Lamy
35   * @version $Id: PerforceChangeLogConsumer.java 331276 2005-11-07 15:04:54Z
36   *          evenisse $
37   */
38  public class PerforceUnEditConsumer
39      extends AbstractPerforceConsumer
40      implements StreamConsumer
41  {
42  
43      private static final Pattern REVISION_PATTERN = Pattern.compile( "^([^#]+)#\\d+ - (.*)" );
44  
45      private static final int STATE_NORMAL = 1;
46  
47      private static final int STATE_ERROR = 2;
48  
49      private int currentState = STATE_NORMAL;
50  
51      private List<ScmFile> edits = new ArrayList<ScmFile>();
52  
53      public List<ScmFile> getEdits()
54      {
55          return edits;
56      }
57  
58      /** {@inheritDoc} */
59      public void consumeLine( String line )
60      {
61          Matcher matcher = REVISION_PATTERN.matcher( line );
62          if ( currentState != STATE_ERROR && matcher.matches() )
63          {
64              edits.add( new ScmFile( matcher.group( 1 ), ScmFileStatus.UNKNOWN ) );
65              return;
66          }
67  
68          error( line );
69      }
70  
71      private void error( String line )
72      {
73          currentState = STATE_ERROR;
74          output.println( line );
75      }
76  
77      public boolean isSuccess()
78      {
79          return currentState == STATE_NORMAL;
80      }
81  }