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 */
019package org.apache.mina.example.haiku;
020
021import org.apache.mina.core.service.IoHandlerAdapter;
022import org.apache.mina.core.session.IoSession;
023
024/**
025 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
026 */
027
028public class HaikuValidatorIoHandler extends IoHandlerAdapter {
029
030    private final HaikuValidator validator = new HaikuValidator();
031
032    @Override
033    public void messageReceived(IoSession session, Object message)
034            throws Exception {
035        Haiku haiku = (Haiku) message;
036
037        try {
038            validator.validate(haiku);
039            session.write("HAIKU!");
040        } catch (InvalidHaikuException e) {
041            session.write("NOT A HAIKU: " + e.getMessage());
042        }
043    }
044}