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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 java.util.Queue;
    23  import java.util.concurrent.ConcurrentLinkedQueue;
    24
    25  /**
    26   * A {@link ProtocolDecoderOutput} based on queue.
    27   *
    28   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
    29   */
    30  public abstract class AbstractProtocolDecoderOutput implements ProtocolDecoderOutput {
    31      private final Queue<Object> messageQueue = new ConcurrentLinkedQueue<Object>();
    32
    33      public AbstractProtocolDecoderOutput() {
    34          // Do nothing
    35      }
    36
    37      public Queue<Object> getMessageQueue() {
    38          return messageQueue;
    39      }
    40
    41      public void write(Object message) {
    42          if (message == null) {
    43              throw new IllegalArgumentException("message");
    44          }
    45
    46          messageQueue.add(message);
    47      }
    48  }