1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.maven.shared.release.exec;
20
21 import java.io.IOException;
22 import java.io.InputStream;
23 import java.io.OutputStream;
24
25 /**
26 * <p>RawStreamPumper class.</p>
27 */
28 public class RawStreamPumper extends Thread {
29 private final InputStream in;
30
31 private final OutputStream out;
32
33 boolean done;
34
35 boolean poll;
36
37 byte[] buffer = new byte[256];
38
39 /**
40 * <p>Constructor for RawStreamPumper.</p>
41 *
42 * @param in a {@link java.io.InputStream} object
43 * @param out a {@link java.io.OutputStream} object
44 * @param poll a boolean
45 */
46 public RawStreamPumper(InputStream in, OutputStream out, boolean poll) {
47 this.in = in;
48 this.out = out;
49 this.poll = poll;
50 }
51
52 /**
53 * <p>Constructor for RawStreamPumper.</p>
54 *
55 * @param in a {@link java.io.InputStream} object
56 * @param out a {@link java.io.OutputStream} object
57 */
58 public RawStreamPumper(InputStream in, OutputStream out) {
59 this.in = in;
60 this.out = out;
61 this.poll = false;
62 }
63
64 /**
65 * <p>Setter for the field <code>done</code>.</p>
66 */
67 public void setDone() {
68 done = true;
69 }
70
71 /**
72 * <p>closeInput.</p>
73 *
74 * @throws java.io.IOException if any.
75 */
76 public void closeInput() throws IOException {
77 in.close();
78 }
79
80 /**
81 * <p>closeOutput.</p>
82 *
83 * @throws java.io.IOException if any.
84 */
85 public void closeOutput() throws IOException {
86 out.close();
87 }
88
89 @Override
90 public void run() {
91 try {
92 if (poll) {
93 while (!done) {
94 if (in.available() > 0) {
95 int i = in.read(buffer);
96 if (i != -1) {
97 out.write(buffer, 0, i);
98 out.flush();
99 } else {
100 done = true;
101 }
102 } else {
103 Thread.sleep(1);
104 }
105 }
106 } else {
107 int i = in.read(buffer);
108 while (i != -1 && !done) {
109 if (i != -1) {
110 out.write(buffer, 0, i);
111 out.flush();
112 } else {
113 done = true;
114 }
115 i = in.read(buffer);
116 }
117 }
118 } catch (Throwable e) {
119 // Caught everything
120 } finally {
121 done = true;
122 }
123 }
124 }