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 java.io.IOException;
23 import java.io.InputStream;
24 import java.io.OutputStream;
25
26 /**
27 * <p>RawStreamPumper class.</p>
28 *
29 */
30 public class RawStreamPumper
31 extends Thread
32 {
33 private InputStream in;
34
35 private OutputStream out;
36
37 boolean done;
38
39 boolean poll;
40
41 byte buffer[] = new byte[256];
42
43 /**
44 * <p>Constructor for RawStreamPumper.</p>
45 *
46 * @param in a {@link java.io.InputStream} object
47 * @param out a {@link java.io.OutputStream} object
48 * @param poll a boolean
49 */
50 public RawStreamPumper( InputStream in , OutputStream out, boolean poll )
51 {
52 this.in = in;
53 this.out = out;
54 this.poll = poll;
55 }
56
57 /**
58 * <p>Constructor for RawStreamPumper.</p>
59 *
60 * @param in a {@link java.io.InputStream} object
61 * @param out a {@link java.io.OutputStream} object
62 */
63 public RawStreamPumper( InputStream in , OutputStream out )
64 {
65 this.in = in;
66 this.out = out;
67 this.poll = false;
68 }
69
70 /**
71 * <p>Setter for the field <code>done</code>.</p>
72 */
73 public void setDone()
74 {
75 done = true;
76 }
77
78 /**
79 * <p>closeInput.</p>
80 *
81 * @throws java.io.IOException if any.
82 */
83 public void closeInput()
84 throws IOException
85 {
86 in.close();
87 }
88
89 /**
90 * <p>closeOutput.</p>
91 *
92 * @throws java.io.IOException if any.
93 */
94 public void closeOutput()
95 throws IOException
96 {
97 out.close();
98 }
99
100 @Override
101 public void run()
102 {
103 try
104 {
105 if ( poll )
106 {
107 while ( !done )
108 {
109 if ( in.available() > 0 )
110 {
111 int i = in.read( buffer );
112 if ( i != -1 )
113 {
114 out.write( buffer, 0, i );
115 out.flush();
116 }
117 else
118 {
119 done = true;
120 }
121 }
122 else
123 {
124 Thread.sleep( 1 );
125 }
126 }
127 }
128 else
129 {
130 int i = in.read( buffer );
131 while ( i != -1 && !done )
132 {
133 if ( i != -1 )
134 {
135 out.write( buffer, 0, i );
136 out.flush();
137 }
138 else
139 {
140 done = true;
141 }
142 i = in.read( buffer );
143 }
144 }
145 }
146 catch ( Throwable e )
147 {
148 // Catched everything
149 }
150 finally
151 {
152 done = true;
153 }
154 }
155 }