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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.example.imagine.step1.codec;
    21
    22  import org.apache.mina.filter.codec.ProtocolCodecFactory;
    23  import org.apache.mina.filter.codec.ProtocolEncoder;
    24  import org.apache.mina.filter.codec.ProtocolDecoder;
    25  import org.apache.mina.core.session.IoSession;
    26
    27  /**
    28   * a {@link ProtocolCodecFactory} for the tutorial on how to write a protocol codec
    29   *
    30   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
    31   */
    32
    33  public class ImageCodecFactory implements ProtocolCodecFactory {
    34      private ProtocolEncoder encoder;
    35      private ProtocolDecoder decoder;
    36
    37      public ImageCodecFactory(boolean client) {
    38          if (client) {
    39              encoder = new ImageRequestEncoder();
    40              decoder = new ImageResponseDecoder();
    41          } else {
    42              encoder = new ImageResponseEncoder();
    43              decoder = new ImageRequestDecoder();
    44          }
    45      }
    46
    47      public ProtocolEncoder getEncoder(IoSession ioSession) throws Exception {
    48          return encoder;
    49      }
    50
    51      public ProtocolDecoder getDecoder(IoSession ioSession) throws Exception {
    52          return decoder;
    53      }
    54  }