1 package org.apache.maven.shared.release.exec;
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.codehaus.plexus.util.cli.StreamConsumer;
23
24 import java.io.PrintStream;
25
26 /**
27 * Consumer that both funnels to System.out/err, and stores in an internal buffer.
28 *
29 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
30 */
31 public class TeeConsumer
32 implements StreamConsumer
33 {
34 private PrintStream stream;
35
36 /**
37 * @noinspection StringBufferField
38 */
39 private StringBuffer content = new StringBuffer();
40
41 private static final String LS = System.getProperty( "line.separator" );
42
43 private String indent;
44
45 public TeeConsumer( PrintStream stream )
46 {
47 this( stream, " " );
48 }
49
50 public TeeConsumer( PrintStream stream, String indent )
51 {
52 this.stream = stream;
53
54 this.indent = indent;
55 }
56
57 @Override
58 public void consumeLine( String line )
59 {
60 stream.println( indent + line );
61
62 content.append( line );
63 content.append( LS );
64 }
65
66 public String getContent()
67 {
68 return content.toString();
69 }
70
71 @Override
72 public String toString()
73 {
74 return getContent();
75 }
76 }