1 // ========================================================================
2 // Copyright (c) 2008-2009 Mort Bay Consulting Pty. Ltd.
3 // ------------------------------------------------------------------------
4 // All rights reserved. This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v1.0
6 // and Apache License v2.0 which accompanies this distribution.
7 // The Eclipse Public License is available at
8 // http://www.eclipse.org/legal/epl-v10.html
9 // The Apache License v2.0 is available at
10 // http://www.opensource.org/licenses/apache2.0.php
11 // You may elect to redistribute this code under either of these licenses.
12 // ========================================================================
13 package org.eclipse.jetty.io.nio;
14
15 import java.nio.ByteBuffer;
16
17 import org.eclipse.jetty.io.ByteArrayBuffer;
18
19 public class IndirectNIOBuffer extends ByteArrayBuffer implements NIOBuffer
20 {
21 protected ByteBuffer _buf;
22
23 /* ------------------------------------------------------------ */
24 public IndirectNIOBuffer(int size)
25 {
26 super(READWRITE,NON_VOLATILE);
27 _buf = ByteBuffer.allocate(size);
28 _buf.position(0);
29 _buf.limit(_buf.capacity());
30 _bytes=_buf.array();
31 }
32
33 /* ------------------------------------------------------------ */
34 public IndirectNIOBuffer(ByteBuffer buffer,boolean immutable)
35 {
36 super(immutable?IMMUTABLE:READWRITE,NON_VOLATILE);
37 if (buffer.isDirect())
38 throw new IllegalArgumentException();
39 _buf = buffer;
40 setGetIndex(buffer.position());
41 setPutIndex(buffer.limit());
42 _bytes=_buf.array();
43 }
44
45 /* ------------------------------------------------------------ */
46 public ByteBuffer getByteBuffer()
47 {
48 return _buf;
49 }
50
51 /* ------------------------------------------------------------ */
52 public boolean isDirect()
53 {
54 return false;
55 }
56 }