1 // ========================================================================
2 // Copyright (c) 2004-2009 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
14 /**
15 *
16 */
17 package org.eclipse.jetty.server.nio;
18
19 import org.eclipse.jetty.io.Buffer;
20 import org.eclipse.jetty.io.nio.DirectNIOBuffer;
21 import org.eclipse.jetty.io.nio.IndirectNIOBuffer;
22 import org.eclipse.jetty.server.AbstractConnector;
23
24 /* ------------------------------------------------------------ */
25 /**
26 *
27 *
28 */
29 public abstract class AbstractNIOConnector extends AbstractConnector implements NIOConnector
30 {
31 private boolean _useDirectBuffers=true;
32
33 /* ------------------------------------------------------------------------------- */
34 public boolean getUseDirectBuffers()
35 {
36 return _useDirectBuffers;
37 }
38
39 /* ------------------------------------------------------------------------------- */
40 /**
41 * @param direct If True (the default), the connector can use NIO direct buffers.
42 * Some JVMs have memory management issues (bugs) with direct buffers.
43 */
44 public void setUseDirectBuffers(boolean direct)
45 {
46 _useDirectBuffers=direct;
47 }
48
49 /* ------------------------------------------------------------------------------- */
50 @Override
51 public Buffer newRequestBuffer(int size)
52 {
53 return _useDirectBuffers?new DirectNIOBuffer(size):new IndirectNIOBuffer(size);
54 }
55
56 /* ------------------------------------------------------------------------------- */
57 @Override
58 public Buffer newRequestHeader(int size)
59 {
60 return new IndirectNIOBuffer(size);
61 }
62
63 /* ------------------------------------------------------------------------------- */
64 @Override
65 public Buffer newResponseBuffer(int size)
66 {
67 return _useDirectBuffers?new DirectNIOBuffer(size):new IndirectNIOBuffer(size);
68 }
69
70 /* ------------------------------------------------------------------------------- */
71 @Override
72 public Buffer newResponseHeader(int size)
73 {
74 return new IndirectNIOBuffer(size);
75 }
76
77 /* ------------------------------------------------------------------------------- */
78 @Override
79 protected boolean isRequestHeader(Buffer buffer)
80 {
81 return buffer instanceof IndirectNIOBuffer;
82 }
83
84 /* ------------------------------------------------------------------------------- */
85 @Override
86 protected boolean isResponseHeader(Buffer buffer)
87 {
88 return buffer instanceof IndirectNIOBuffer;
89 }
90 }