1 /*
2 * Copyright 2012 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package org.jboss.netty.buffer;
17
18 import java.nio.ByteOrder;
19
20 /**
21 * A skeletal implementation of {@link ChannelBufferFactory}.
22 */
23 public abstract class AbstractChannelBufferFactory implements ChannelBufferFactory {
24
25 private final ByteOrder defaultOrder;
26
27 /**
28 * Creates a new factory whose default {@link ByteOrder} is
29 * {@link ByteOrder#BIG_ENDIAN}.
30 */
31 protected AbstractChannelBufferFactory() {
32 this(ByteOrder.BIG_ENDIAN);
33 }
34
35 /**
36 * Creates a new factory with the specified default {@link ByteOrder}.
37 *
38 * @param defaultOrder the default {@link ByteOrder} of this factory
39 */
40 protected AbstractChannelBufferFactory(ByteOrder defaultOrder) {
41 if (defaultOrder == null) {
42 throw new NullPointerException("defaultOrder");
43 }
44 this.defaultOrder = defaultOrder;
45 }
46
47 public ChannelBuffer getBuffer(int capacity) {
48 return getBuffer(getDefaultOrder(), capacity);
49 }
50
51 public ChannelBuffer getBuffer(byte[] array, int offset, int length) {
52 return getBuffer(getDefaultOrder(), array, offset, length);
53 }
54
55 public ByteOrder getDefaultOrder() {
56 return defaultOrder;
57 }
58 }