View Javadoc

1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *  
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *  
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License. 
18   *  
19   */
20  package org.apache.mina.http;
21  
22  import org.apache.mina.core.filterchain.IoFilter;
23  import org.apache.mina.core.session.IoSession;
24  import org.apache.mina.filter.codec.ProtocolCodecFilter;
25  import org.apache.mina.filter.codec.ProtocolDecoder;
26  import org.apache.mina.filter.codec.ProtocolEncoder;
27  
28  public class HttpServerCodec extends ProtocolCodecFilter {
29  
30      /** Key for decoder current state */
31      private static final String DECODER_STATE_ATT = "http.ds";
32  
33      /** Key for the partial HTTP requests head */
34      private static final String PARTIAL_HEAD_ATT = "http.ph";
35  
36      private static ProtocolEncoder encoder = new HttpServerEncoder();
37      private static ProtocolDecoder decoder = new HttpServerDecoder();
38  
39      public HttpServerCodec() {
40          super(encoder, decoder);
41      }
42  
43      @Override
44      public void sessionClosed(IoFilter.NextFilter nextFilter, IoSession session) throws Exception {
45          super.sessionClosed(nextFilter, session);
46          session.removeAttribute(DECODER_STATE_ATT);
47          session.removeAttribute(PARTIAL_HEAD_ATT);
48      }
49  
50  }