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.handler.codec.marshalling;
17
18 import java.io.IOException;
19
20 import org.jboss.marshalling.ByteOutput;
21 import org.jboss.netty.buffer.ChannelBuffer;
22 import org.jboss.netty.buffer.ChannelBufferFactory;
23 import org.jboss.netty.buffer.ChannelBuffers;
24
25 /**
26 * {@link ByteOutput} implementation which writes the data to a {@link ChannelBuffer}
27 *
28 *
29 */
30 class ChannelBufferByteOutput implements ByteOutput {
31
32 private final ChannelBuffer buffer;
33
34 /**
35 * Create a new instance which use the given {@link ChannelBuffer}
36 */
37 public ChannelBufferByteOutput(ChannelBuffer buffer) {
38 this.buffer = buffer;
39 }
40
41 /**
42 * Calls {@link #ChannelBufferByteOutput(ChannelBuffer)} with a dynamic {@link ChannelBuffer}
43 */
44 public ChannelBufferByteOutput(ChannelBufferFactory factory, int estimatedLength) {
45 this(ChannelBuffers.dynamicBuffer(estimatedLength, factory));
46 }
47
48 public void close() throws IOException {
49 // Nothing todo
50 }
51
52 public void flush() throws IOException {
53 // nothing to do
54 }
55
56 public void write(int b) throws IOException {
57 buffer.writeByte(b);
58 }
59
60 public void write(byte[] bytes) throws IOException {
61 buffer.writeBytes(bytes);
62 }
63
64 public void write(byte[] bytes, int srcIndex, int length) throws IOException {
65 buffer.writeBytes(bytes, srcIndex, length);
66 }
67
68 /**
69 * Return the {@link ChannelBuffer} which contains the written content
70 *
71 */
72 public ChannelBuffer getBuffer() {
73 return buffer;
74 }
75
76 }