| CacheResponseStream.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.util.servlet.filters;
24
25 import java.io.DataOutputStream;
26 import java.io.IOException;
27 import java.io.OutputStream;
28
29 import javax.servlet.ServletOutputStream;
30
31 /**
32 * <a href="CacheResponseStream.java.html"><b><i>View Source</i></b></a>
33 *
34 * @author Alexander Chow
35 *
36 */
37 public class CacheResponseStream extends ServletOutputStream {
38
39 public CacheResponseStream(OutputStream os) {
40 _dos = new DataOutputStream(os);
41 }
42
43 public void close() throws IOException {
44 super.close();
45
46 _closed = true;
47 }
48
49 public boolean isClosed() {
50 return _closed;
51 }
52
53 public void write(int b) throws IOException {
54 _dos.write(b);
55 }
56
57 public void write(byte[] b) throws IOException {
58 _dos.write(b);
59 }
60
61 public void write(byte[] b, int off, int len) throws IOException {
62 _dos.write(b, off, len);
63 }
64
65 private boolean _closed;
66 private DataOutputStream _dos = null;
67
68 }