001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *  
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *  
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License. 
018 *  
019 */
020package org.apache.mina.http;
021
022import org.apache.mina.core.filterchain.IoFilter;
023import org.apache.mina.core.session.IoSession;
024import org.apache.mina.filter.codec.ProtocolCodecFilter;
025import org.apache.mina.filter.codec.ProtocolDecoder;
026import org.apache.mina.filter.codec.ProtocolEncoder;
027
028public class HttpServerCodec extends ProtocolCodecFilter {
029
030    /** Key for decoder current state */
031    private static final String DECODER_STATE_ATT = "http.ds";
032
033    /** Key for the partial HTTP requests head */
034    private static final String PARTIAL_HEAD_ATT = "http.ph";
035
036    private static ProtocolEncoder encoder = new HttpServerEncoder();
037    private static ProtocolDecoder decoder = new HttpServerDecoder();
038
039    public HttpServerCodec() {
040        super(encoder, decoder);
041    }
042
043    @Override
044    public void sessionClosed(IoFilter.NextFilter nextFilter, IoSession session) throws Exception {
045        super.sessionClosed(nextFilter, session);
046        session.removeAttribute(DECODER_STATE_ATT);
047        session.removeAttribute(PARTIAL_HEAD_ATT);
048    }
049
050}