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1   package org.apache.maven.scm.provider.cvslib.cvsexe.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.command.blame.BlameScmResult;
24  import org.apache.maven.scm.provider.cvslib.command.blame.AbstractCvsBlameCommand;
25  import org.apache.maven.scm.provider.cvslib.command.blame.CvsBlameConsumer;
26  import org.apache.maven.scm.provider.cvslib.repository.CvsScmProviderRepository;
27  import org.codehaus.plexus.util.cli.CommandLineException;
28  import org.codehaus.plexus.util.cli.CommandLineUtils;
29  import org.codehaus.plexus.util.cli.Commandline;
30  
31  /**
32   * @author Evgeny Mandrikov
33   * @since 1.4
34   */
35  public class CvsExeBlameCommand
36      extends AbstractCvsBlameCommand
37  {
38      /**
39       * {@inheritDoc}
40       */
41      protected BlameScmResult executeCvsCommand( Commandline cl, CvsScmProviderRepository repository )
42          throws ScmException
43      {
44          CvsBlameConsumer consumer = new CvsBlameConsumer( getLogger() );
45          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
46          int exitCode;
47          try
48          {
49              exitCode = CommandLineUtils.executeCommandLine( cl, consumer, stderr );
50          }
51          catch ( CommandLineException ex )
52          {
53              throw new ScmException( "Error while executing cvs command.", ex );
54          }
55          if ( exitCode != 0 )
56          {
57              return new BlameScmResult( cl.toString(), "The cvs command failed.", stderr.getOutput(), false );
58          }
59          return new BlameScmResult( cl.toString(), consumer.getLines() );
60      }
61  }