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   */
36  public class PerforceUnEditConsumer
37      extends AbstractPerforceConsumer
38      implements StreamConsumer
39  {
40  
41      private static final Pattern REVISION_PATTERN = Pattern.compile( "^([^#]+)#\\d+ - (.*)" );
42  
43      private static final int STATE_NORMAL = 1;
44  
45      private static final int STATE_ERROR = 2;
46  
47      private int currentState = STATE_NORMAL;
48  
49      private List<ScmFile> edits = new ArrayList<ScmFile>();
50  
51      public List<ScmFile> getEdits()
52      {
53          return edits;
54      }
55  
56      /** {@inheritDoc} */
57      public void consumeLine( String line )
58      {
59          Matcher matcher = REVISION_PATTERN.matcher( line );
60          if ( currentState != STATE_ERROR && matcher.matches() )
61          {
62              edits.add( new ScmFile( matcher.group( 1 ), ScmFileStatus.UNKNOWN ) );
63              return;
64          }
65  
66          error( line );
67      }
68  
69      private void error( String line )
70      {
71          currentState = STATE_ERROR;
72          output.println( line );
73      }
74  
75      public boolean isSuccess()
76      {
77          return currentState == STATE_NORMAL;
78      }
79  }