| CacheResponseStream.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * The contents of this file are subject to the terms of the Liferay Enterprise
5 * Subscription License ("License"). You may not use this file except in
6 * compliance with the License. You can obtain a copy of the License by
7 * contacting Liferay, Inc. See the License for the specific language governing
8 * permissions and limitations under the License, including but not limited to
9 * distribution rights of the Software.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17 * SOFTWARE.
18 */
19
20 package com.liferay.util.servlet.filters;
21
22 import java.io.DataOutputStream;
23 import java.io.IOException;
24 import java.io.OutputStream;
25
26 import javax.servlet.ServletOutputStream;
27
28 /**
29 * <a href="CacheResponseStream.java.html"><b><i>View Source</i></b></a>
30 *
31 * @author Alexander Chow
32 *
33 */
34 public class CacheResponseStream extends ServletOutputStream {
35
36 public CacheResponseStream(OutputStream os) {
37 _dos = new DataOutputStream(os);
38 }
39
40 public void close() throws IOException {
41 super.close();
42
43 _closed = true;
44 }
45
46 public boolean isClosed() {
47 return _closed;
48 }
49
50 public void write(int b) throws IOException {
51 _dos.write(b);
52 }
53
54 public void write(byte[] b) throws IOException {
55 _dos.write(b);
56 }
57
58 public void write(byte[] b, int off, int len) throws IOException {
59 _dos.write(b, off, len);
60 }
61
62 private boolean _closed;
63 private DataOutputStream _dos = null;
64
65 }