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Java > Open Source Codes > com > caucho > vfs > OutputStreamWithBuffer


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */

29
30 package com.caucho.vfs;
31
32 import java.io.IOException JavaDoc;
33 import java.io.OutputStream JavaDoc;
34
35 /**
36  * An OutputStream with an accessible buffer.
37  */

38 abstract public class OutputStreamWithBuffer extends OutputStream JavaDoc {
39   /**
40    * Returns the stream's buffer.
41    */

42   abstract public byte []getBuffer()
43     throws IOException JavaDoc;
44   
45   /**
46    * Returns the stream's buffer offset.
47    */

48   abstract public int getBufferOffset()
49     throws IOException JavaDoc;
50   
51   /**
52    * Sets the stream's buffer length.
53    */

54   abstract public void setBufferOffset(int offset)
55     throws IOException JavaDoc;
56   
57   /**
58    * Returns the next buffer.
59    *
60    * @param length the length of the completed buffer
61    *
62    * @return the next buffer
63    */

64   abstract public byte []nextBuffer(int offset)
65     throws IOException JavaDoc;
66 }
67
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