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 final ByteBuffer _buf;
22
23 /* ------------------------------------------------------------ */
24 public IndirectNIOBuffer(int size)
25 {
26 super(size,READWRITE,NON_VOLATILE);
27 _buf = ByteBuffer.wrap(_bytes);
28 _buf.position(0);
29 _buf.limit(_buf.capacity());
30 }
31
32 /* ------------------------------------------------------------ */
33 public IndirectNIOBuffer(ByteBuffer buffer,boolean immutable)
34 {
35 super(buffer.array(),0,0, immutable?IMMUTABLE:READWRITE,NON_VOLATILE);
36 if (buffer.isDirect())
37 throw new IllegalArgumentException();
38 _buf = buffer;
39 _get=buffer.position();
40 _put=buffer.limit();
41 buffer.position(0);
42 buffer.limit(buffer.capacity());
43 }
44
45 /* ------------------------------------------------------------ */
46 public ByteBuffer getByteBuffer()
47 {
48 return _buf;
49 }
50
51 /* ------------------------------------------------------------ */
52 public boolean isDirect()
53 {
54 return false;
55 }
56 }