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.http;
17
18 import org.jboss.netty.channel.ChannelDownstreamHandler;
19 import org.jboss.netty.channel.ChannelEvent;
20 import org.jboss.netty.channel.ChannelHandlerContext;
21 import org.jboss.netty.channel.ChannelUpstreamHandler;
22
23 /**
24 * A combination of {@link HttpRequestDecoder} and {@link HttpResponseEncoder}
25 * which enables easier server side HTTP implementation.
26 * @see HttpClientCodec
27 *
28 * @apiviz.has org.jboss.netty.handler.codec.http.HttpRequestDecoder
29 * @apiviz.has org.jboss.netty.handler.codec.http.HttpResponseEncoder
30 */
31 public class HttpServerCodec implements ChannelUpstreamHandler,
32 ChannelDownstreamHandler {
33
34 private final HttpRequestDecoder decoder;
35 private final HttpResponseEncoder encoder = new HttpResponseEncoder();
36
37 /**
38 * Creates a new instance with the default decoder options
39 * ({@code maxInitialLineLength (4096}}, {@code maxHeaderSize (8192)}, and
40 * {@code maxChunkSize (8192)}).
41 */
42 public HttpServerCodec() {
43 this(4096, 8192, 8192);
44 }
45
46 /**
47 * Creates a new instance with the specified decoder options.
48 */
49 public HttpServerCodec(
50 int maxInitialLineLength, int maxHeaderSize, int maxChunkSize) {
51 decoder = new HttpRequestDecoder(maxInitialLineLength, maxHeaderSize, maxChunkSize);
52 }
53
54 public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e)
55 throws Exception {
56 decoder.handleUpstream(ctx, e);
57 }
58
59 public void handleDownstream(ChannelHandlerContext ctx, ChannelEvent e)
60 throws Exception {
61 encoder.handleDownstream(ctx, e);
62 }
63 }