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1   package org.apache.maven.scm.provider.cvslib.cvsjava.util;
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.netbeans.lib.cvsclient.event.CVSAdapter;
23  import org.netbeans.lib.cvsclient.event.MessageEvent;
24  
25  /**
26   * A basic implementation of a CVS listener. It merely saves up
27   * into StringBuilders the stdout and stderr printstreams.
28   *
29   * @author <a href="mailto:epugh@upstate.com">Eric Pugh</a>
30   *
31   */
32  public class CvsLogListener
33      extends CVSAdapter
34  {
35      private final StringBuffer taggedLine = new StringBuffer();
36  
37      private StringBuffer stdout = new StringBuffer();
38  
39      private StringBuffer stderr = new StringBuffer();
40  
41      /**
42       * Called when the server wants to send a message to be displayed to the
43       * user. The message is only for information purposes and clients can
44       * choose to ignore these messages if they wish.
45       *
46       * {@inheritDoc}
47       */
48      public void messageSent( MessageEvent e )
49      {
50          String line = e.getMessage();
51          StringBuffer stream = e.isError() ? stderr : stdout;
52  
53          if ( e.isTagged() )
54          {
55              String message = MessageEvent.parseTaggedMessage( taggedLine, e.getMessage() );
56              if ( message != null )
57              {
58                  //stream.println(message);
59                  stream.append( message ).append( "\n" );
60  
61              }
62          }
63          else
64          {
65              //stream.println(line);
66              stream.append( line ).append( "\n" );
67  
68          }
69      }
70  
71      /**
72       * @return Returns the standard output from cvs as a StringBuilder..
73       */
74      public StringBuffer getStdout()
75      {
76          return stdout;
77      }
78  
79      /**
80       * @return Returns the standard error from cvs as a StringBuilder..
81       */
82      public StringBuffer getStderr()
83      {
84          return stderr;
85      }
86  }