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1   package org.apache.maven.scm.provider.cvslib.command.tag;
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.codehaus.plexus.util.cli.StreamConsumer;
26  import org.codehaus.plexus.util.StringUtils;
27  
28  import java.util.ArrayList;
29  import java.util.List;
30  
31  /**
32   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
33   * @author Olivier Lamy
34   *
35   */
36  public class CvsTagConsumer
37      implements StreamConsumer
38  {
39      private ScmLogger logger;
40  
41      private List<ScmFile> files = new ArrayList<ScmFile>();
42  
43      public CvsTagConsumer( ScmLogger logger )
44      {
45          this.logger = logger;
46      }
47  
48      /** {@inheritDoc} */
49      public void consumeLine( String line )
50      {
51          if ( logger.isDebugEnabled() )
52          {
53              logger.debug( line );
54          }
55  
56          if ( line.length() < 3 )
57          {
58              if ( StringUtils.isNotEmpty( line ) )
59              {
60                  if ( logger.isWarnEnabled() )
61                  {
62                      logger.warn( "Unable to parse output from command: line length must be bigger than 3. ("
63                          + line + ")." );
64                  }
65              }
66              return;
67          }
68  
69          String status = line.substring( 0, 2 );
70  
71          String file = line.substring( 2 );
72  
73          if ( status.equals( "T " ) )
74          {
75              files.add( new ScmFile( file, ScmFileStatus.TAGGED ) );
76          }
77          else
78          {
79              if ( logger.isWarnEnabled() )
80              {
81                  logger.warn( "Unknown status: '" + status + "'." );
82              }
83          }
84      }
85  
86      public List<ScmFile> getTaggedFiles()
87      {
88          return files;
89      }
90  }