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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.filter.codec;
21  
22  import org.apache.mina.core.filterchain.IoFilter.NextFilter;
23  import org.apache.mina.core.session.IoSession;
24  
25  /**
26   * Callback for {@link ProtocolDecoder} to generate decoded messages.
27   * {@link ProtocolDecoder} must call {@link #write(Object)} for each decoded
28   * messages.
29   *
30   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
31   */
32  public interface ProtocolDecoderOutput {
33      /**
34       * Callback for {@link ProtocolDecoder} to generate decoded messages.
35       * {@link ProtocolDecoder} must call {@link #write(Object)} for each
36       * decoded messages.
37       *
38       * @param message the decoded message
39       */
40      void write(Object message);
41  
42      /**
43       * Flushes all messages you wrote via {@link #write(Object)} to
44       * the next filter.
45       * 
46       * @param nextFilter the next Filter
47       * @param session The current Session
48       */
49      void flush(NextFilter nextFilter, IoSession session);
50  }