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