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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  package org.apache.mina.example.haiku;
20  
21  import org.apache.mina.core.service.IoHandlerAdapter;
22  import org.apache.mina.core.session.IoSession;
23  
24  /**
25   * @author Apache Mina Project (dev@mina.apache.org)
26   */
27  
28  public class HaikuValidatorIoHandler extends IoHandlerAdapter {
29  
30      private final HaikuValidator validator = new HaikuValidator();
31  
32      @Override
33      public void messageReceived(IoSession session, Object message)
34              throws Exception {
35          Haiku haiku = (Haiku) message;
36  
37          try {
38              validator.validate(haiku);
39              session.write("HAIKU!");
40          } catch (InvalidHaikuException e) {
41              session.write("NOT A HAIKU: " + e.getMessage());
42          }
43      }
44  }