1   /**
2    * Copyright (c) 2000-2010 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   *
12   *
13   */
14  
15  package com.liferay.portal.servlet.filters.gzip;
16  
17  import java.io.IOException;
18  import java.io.OutputStream;
19  
20  import java.util.zip.GZIPOutputStream;
21  
22  import javax.servlet.ServletOutputStream;
23  
24  /**
25   * <a href="GZipServletOutputStream.java.html"><b><i>View Source</i></b></a>
26   *
27   * @author Shuyang Zhou
28   */
29  public class GZipServletOutputStream extends ServletOutputStream {
30  
31      public GZipServletOutputStream(OutputStream outputStream)
32          throws IOException {
33  
34          _gZipOutputStream = new GZIPOutputStream(outputStream);
35      }
36  
37      public void close() throws IOException {
38          _gZipOutputStream.close();
39      }
40  
41      public void flush() throws IOException {
42          _gZipOutputStream.flush();
43      }
44  
45      public void write(byte[] byteArray) throws IOException {
46          _gZipOutputStream.write(byteArray);
47      }
48  
49      public void write(byte[] byteArray, int offset, int length)
50          throws IOException {
51  
52          _gZipOutputStream.write(byteArray, offset, length);
53      }
54  
55      public void write(int b) throws IOException {
56          _gZipOutputStream.write(b);
57      }
58  
59      private GZIPOutputStream _gZipOutputStream;
60  
61  }