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1   package org.apache.maven.wagon.providers.ssh;
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.wagon.Streams;
23  
24  import java.io.BufferedReader;
25  import java.io.IOException;
26  
27  /**
28   * CommandExecutorStreamProcessor 
29   *
30   * @author <a href="mailto:joakim@erdfelt.com">Joakim Erdfelt</a>
31   *
32   */
33  public class CommandExecutorStreamProcessor
34  {
35      private CommandExecutorStreamProcessor()
36      {
37          // shoo!
38      }
39  
40      public static Streams processStreams( BufferedReader stderrReader, BufferedReader stdoutReader )
41          throws IOException
42      {
43          Streams streams = new Streams();
44  
45          while ( true )
46          {
47              String line = stderrReader.readLine();
48  
49              if ( line == null )
50              {
51                  break;
52              }
53  
54              // TODO: I think we need to deal with exit codes instead, but IIRC there are some cases of errors that
55              // don't have exit codes ignore this error. TODO: output a warning
56              if ( !line.startsWith( "Could not chdir to home directory" )
57                   && !line.endsWith( "ttyname: Operation not supported" ) )
58              {
59                  streams.setErr( streams.getErr() + line + "\n" );
60              }
61          }
62  
63          while ( true )
64          {
65              String line = stdoutReader.readLine();
66  
67              if ( line == null )
68              {
69                  break;
70              }
71  
72              streams.setOut( streams.getOut() + line + "\n" );
73          }
74  
75          // drain the output stream.
76          // TODO: we'll save this for the 1.0-alpha-8 line, so we can test it more. the -q arg in the
77          // unzip command should keep us until then...
78  //            int avail = in.available();
79  //            byte[] trashcan = new byte[1024];
80  //
81  //            while( ( avail = in.available() ) > 0 )
82  //            {
83  //                in.read( trashcan, 0, avail );
84  //            }
85  
86          return streams;
87      }
88  }