01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * 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;
33: import java.io.OutputStream;
34:
35: /**
36: * An OutputStream with an accessible buffer.
37: */
38: abstract public class OutputStreamWithBuffer extends OutputStream {
39: /**
40: * Returns the stream's buffer.
41: */
42: abstract public byte[] getBuffer() throws IOException;
43:
44: /**
45: * Returns the stream's buffer offset.
46: */
47: abstract public int getBufferOffset() throws IOException;
48:
49: /**
50: * Sets the stream's buffer length.
51: */
52: abstract public void setBufferOffset(int offset) throws IOException;
53:
54: /**
55: * Returns the next buffer.
56: *
57: * @param length the length of the completed buffer
58: *
59: * @return the next buffer
60: */
61: abstract public byte[] nextBuffer(int offset) throws IOException;
62: }
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