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.CommandExecutionException;
23 import org.apache.maven.wagon.Streams;
24
25 import java.io.BufferedReader;
26 import java.io.IOException;
27
28 /**
29 * CommandExecutorStreamProcessor
30 *
31 * @author <a href="mailto:joakim@erdfelt.com">Joakim Erdfelt</a>
32 * @version $Id: CommandExecutorStreamProcessor.java 682071 2008-08-02 22:21:46Z hboutemy $
33 */
34 public class CommandExecutorStreamProcessor
35 {
36 private CommandExecutorStreamProcessor()
37 {
38 // shoo!
39 }
40
41 public static Streams processStreams( BufferedReader stderrReader, BufferedReader stdoutReader )
42 throws IOException, CommandExecutionException
43 {
44 Streams streams = new Streams();
45
46 while ( true )
47 {
48 String line = stderrReader.readLine();
49
50 if ( line == null )
51 {
52 break;
53 }
54
55 // TODO: I think we need to deal with exit codes instead, but IIRC there are some cases of errors that
56 // don't have exit codes ignore this error. TODO: output a warning
57 if ( !line.startsWith( "Could not chdir to home directory" )
58 && !line.endsWith( "ttyname: Operation not supported" ) )
59 {
60 streams.setErr( streams.getErr() + line + "\n" );
61 }
62 }
63
64 while ( true )
65 {
66 String line = stdoutReader.readLine();
67
68 if ( line == null )
69 {
70 break;
71 }
72
73 streams.setOut( streams.getOut() + line + "\n" );
74 }
75
76 // drain the output stream.
77 // TODO: we'll save this for the 1.0-alpha-8 line, so we can test it more. the -q arg in the
78 // unzip command should keep us until then...
79 // int avail = in.available();
80 // byte[] trashcan = new byte[1024];
81 //
82 // while( ( avail = in.available() ) > 0 )
83 // {
84 // in.read( trashcan, 0, avail );
85 // }
86
87 return streams;
88 }
89 }