View Javadoc
1   package org.apache.maven.scm.provider.clearcase.command.blame;
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.ScmException;
23  import org.apache.maven.scm.ScmFileSet;
24  import org.apache.maven.scm.command.blame.AbstractBlameCommand;
25  import org.apache.maven.scm.command.blame.BlameScmResult;
26  import org.apache.maven.scm.provider.ScmProviderRepository;
27  import org.apache.maven.scm.provider.clearcase.command.ClearCaseCommand;
28  import org.codehaus.plexus.util.cli.CommandLineException;
29  import org.codehaus.plexus.util.cli.CommandLineUtils;
30  import org.codehaus.plexus.util.cli.Commandline;
31  
32  import java.io.File;
33  
34  /**
35   * @author Jérémie Lagarde
36   * @since 1.4
37   */
38  public class ClearCaseBlameCommand
39      extends AbstractBlameCommand
40      implements ClearCaseCommand
41  {
42  
43      public BlameScmResult executeBlameCommand( ScmProviderRepository repo, ScmFileSet workingDirectory,
44                                                 String filename )
45          throws ScmException
46      {
47  
48          if ( getLogger().isDebugEnabled() )
49          {
50              getLogger().debug( "executing blame command..." );
51          }
52          Commandline cl = createCommandLine( workingDirectory.getBasedir(), filename );
53  
54          ClearCaseBlameConsumer consumer = new ClearCaseBlameConsumer( getLogger() );
55  
56          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
57  
58          int exitCode;
59  
60          try
61          {
62              if ( getLogger().isDebugEnabled() )
63              {
64                  getLogger().debug( "Executing: " + cl.getWorkingDirectory().getAbsolutePath() + ">>" + cl.toString() );
65              }
66              exitCode = CommandLineUtils.executeCommandLine( cl, consumer, stderr );
67          }
68          catch ( CommandLineException ex )
69          {
70              throw new ScmException( "Error while executing cvs command.", ex );
71          }
72  
73          if ( exitCode != 0 )
74          {
75              return new BlameScmResult( cl.toString(), "The cleartool command failed.", stderr.getOutput(), false );
76          }
77  
78          return new BlameScmResult( cl.toString(), consumer.getLines() );
79      }
80  
81      public static Commandline createCommandLine( File workingDirectory, String filename )
82      {
83          Commandline command = new Commandline();
84          command.setExecutable( "cleartool" );
85          command.createArg().setValue( "annotate" );
86  
87          command.setWorkingDirectory( workingDirectory.getAbsolutePath() );
88  
89          StringBuilder format = new StringBuilder();
90          format.append( "VERSION:%Ln@@@" );
91          format.append( "USER:%u@@@" );
92          format.append( "DATE:%Nd@@@" );
93  
94          command.createArg().setValue( "-out" );
95          command.createArg().setValue( "-" );
96          command.createArg().setValue( "-fmt" );
97          command.createArg().setValue( format.toString() );
98          command.createArg().setValue( "-nheader" );
99          command.createArg().setValue( "-f" );
100         command.createArg().setValue( filename );
101 
102         return command;
103     }
104 }