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Efficient, scalable, and flexible Java implementation of the Short Messaging Peer to Peer Protocol (SMPP)

There is a newer version: 6.0.0-netty4-beta-2

package com.cloudhopper.smpp.channel;

/*
 * #%L
 * ch-smpp
 * %%
 * Copyright (C) 2009 - 2012 Cloudhopper by Twitter
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import com.cloudhopper.smpp.impl.SmppSessionChannelListener;
import com.cloudhopper.smpp.pdu.Pdu;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelPipelineCoverage;
import org.jboss.netty.channel.ChannelStateEvent;
import org.jboss.netty.channel.ExceptionEvent;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.channel.SimpleChannelHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 *
 * @author joelauer (twitter: @jjlauer or http://twitter.com/jjlauer)
 */
@ChannelPipelineCoverage("one")
public class SmppSessionWrapper extends SimpleChannelHandler {
    private static final Logger logger = LoggerFactory.getLogger(SmppSessionWrapper.class);

    private SmppSessionChannelListener listener;

    public SmppSessionWrapper(SmppSessionChannelListener listener) {
        this.listener = listener;
    }
    
    @Override
    public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
    	if (e.getMessage() instanceof Pdu) {
            Pdu pdu = (Pdu)e.getMessage();
            this.listener.firePduReceived(pdu);
    	}
    }

    /**
     * Invoked when an exception was raised by an I/O thread or an upstream handler.
     */
    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
        //logger.warn("Exception triggered in upstream ChannelHandler: {}", e.getCause());
        this.listener.fireExceptionThrown(e.getCause());
    }

    /**
     * Invoked when a Channel was disconnected from its remote peer.
     */
    @Override
    public void channelDisconnected(ChannelHandlerContext ctx, ChannelStateEvent e) throws Exception {
        //logger.info(e.toString());
        //ctx.sendUpstream(e);
    }

    /**
     * Invoked when a Channel was unbound from the current local address.
     */
    @Override
    public void channelUnbound(ChannelHandlerContext ctx, ChannelStateEvent e) throws Exception {
        //logger.info(e.toString());
    }

    /**
     * Invoked when a Channel was closed and all its related resources were released.
     */
    @Override
    public void channelClosed(ChannelHandlerContext ctx, ChannelStateEvent e) throws Exception {
        //logger.info(e.toString());
        this.listener.fireChannelClosed();
    }
}