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1   package org.apache.maven.scm.provider.cvslib.cvsjava.command.update;
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.changelog.ChangeLogCommand;
24  import org.apache.maven.scm.command.update.UpdateScmResult;
25  import org.apache.maven.scm.provider.cvslib.command.update.AbstractCvsUpdateCommand;
26  import org.apache.maven.scm.provider.cvslib.command.update.CvsUpdateConsumer;
27  import org.apache.maven.scm.provider.cvslib.cvsjava.command.changelog.CvsJavaChangeLogCommand;
28  import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsConnection;
29  import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsLogListener;
30  import org.codehaus.plexus.util.cli.Commandline;
31  
32  import java.io.BufferedReader;
33  import java.io.ByteArrayInputStream;
34  import java.io.InputStreamReader;
35  
36  /**
37   * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
38   *
39   */
40  public class CvsJavaUpdateCommand
41      extends AbstractCvsUpdateCommand
42  {
43      /** {@inheritDoc} */
44      protected UpdateScmResult executeCvsCommand( Commandline cl )
45          throws ScmException
46      {
47          CvsLogListener logListener = new CvsLogListener();
48  
49          CvsUpdateConsumer consumer = new CvsUpdateConsumer( getLogger() );
50  
51          try
52          {
53              boolean isSuccess = CvsConnection.processCommand( cl.getArguments(),
54                                                                cl.getWorkingDirectory().getAbsolutePath(), logListener,
55                                                                getLogger() );
56  
57              if ( !isSuccess )
58              {
59                  return new UpdateScmResult( cl.toString(), "The cvs command failed.",
60                                              logListener.getStderr().toString(), false );
61              }
62              BufferedReader stream = new BufferedReader(
63                  new InputStreamReader( new ByteArrayInputStream( logListener.getStdout().toString().getBytes() ) ) );
64  
65              String line;
66  
67              while ( ( line = stream.readLine() ) != null )
68              {
69                  consumer.consumeLine( line );
70              }
71          }
72          catch ( Exception e )
73          {
74              e.printStackTrace();
75              return new UpdateScmResult( cl.toString(), "The cvs command failed.", logListener.getStderr().toString(),
76                                          false );
77          }
78  
79          return new UpdateScmResult( cl.toString(), consumer.getUpdatedFiles() );
80      }
81  
82      protected ChangeLogCommand getChangeLogCommand()
83      {
84          CvsJavaChangeLogCommand command = new CvsJavaChangeLogCommand();
85  
86          command.setLogger( getLogger() );
87  
88          return command;
89      }
90  }