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1   package org.apache.maven.scm.provider.perforce.command.add;
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  
25  import org.apache.maven.scm.ScmFile;
26  import org.apache.maven.scm.ScmFileStatus;
27  import org.apache.regexp.RE;
28  import org.apache.regexp.RESyntaxException;
29  import org.codehaus.plexus.util.cli.StreamConsumer;
30  
31  /**
32   * @author Mike Perham
33   * @version $Id: PerforceChangeLogConsumer.java 331276 2005-11-07 15:04:54Z
34   *          evenisse $
35   */
36  public class PerforceAddConsumer
37      implements StreamConsumer
38  {
39  
40      private static final String PATTERN = "^([^#]+)#(\\d+) - (.*)";
41  
42      private static final String FILE_BEGIN_TOKEN = "//";
43  
44      private List<ScmFile> additions = new ArrayList<ScmFile>();
45  
46      private RE revisionRegexp;
47  
48      public PerforceAddConsumer()
49      {
50          try
51          {
52              revisionRegexp = new RE( PATTERN );
53          }
54          catch ( RESyntaxException ignored )
55          {
56              ignored.printStackTrace();
57          }
58      }
59  
60      public List<ScmFile> getAdditions()
61      {
62          return additions;
63      }
64  
65      /** {@inheritDoc} */
66      public void consumeLine( String line )
67      {
68          if ( line.startsWith( "... " ) )
69          {
70              //TODO log this somehow?
71              //System.out.println("Perforce: " + line);
72              return;
73          }
74  
75          if ( !line.startsWith( FILE_BEGIN_TOKEN ) )
76          {
77              throw new IllegalStateException( "Unknown error: " + line );
78          }
79  
80          if ( !revisionRegexp.match( line ) )
81          {
82              throw new IllegalStateException( "Unknown input: " + line );
83          }
84  
85          additions.add( new ScmFile( revisionRegexp.getParen( 1 ), ScmFileStatus.ADDED ) );
86      }
87  }