package com.ll.smsbeans;

import java.io.Serializable;

import com.ll.smsbeans.cmpp3.CmppDeliver;
import com.ll.smsbeans.cmpp3.CmppDeliverResp;
import com.ll.smsbeans.cmpp3.CmppDeliverRespBuilder;
import com.ll.smsbeans.cmpp3.CmppPacket;
import com.ll.smsbeans.cmpp3.CmppPacketCommon;

/**
 * 
 * <code>DeliverBean</code> 通過(guò)Connection接收Delive和發(fā)送DeliveResp數(shù)據(jù)包，
 * 這個(gè)包不自動(dòng)回復(fù)接收到的Deliver，需要使用者根據(jù)接收到的信息決定回復(fù)的值。
 *  Connection為已經(jīng)連接的ConnectBean,<code>DeliverBean</code>必須指定。
 * 
 *
 * @author  listlike <a href="mailto:listlike@hotmail.com">
 *                      <i>&lt;listlike@hotmail.com&gt;</i></a>
 *
 */

public class DeliverBean implements Serializable, PacketListenerRegistrar
{

	/** 必須的連接bean */
	private ConnectionBean connection = null;

	/** 過(guò)濾發(fā)包，轉(zhuǎn)發(fā)包 */
	private PacketRebroadcaster rebroadcaster = null;

	/**
	 * 通過(guò)這個(gè)類，實(shí)現(xiàn)定制的過(guò)濾，在這個(gè)類中只轉(zhuǎn)發(fā)Deliver包。
	 */
	class DeliverListener extends PacketRebroadcaster
	{
		/**
		 * <code>receivedPacket</code> 過(guò)濾接收?qǐng)?bào)
		 *
		 * @param p a <code>PacketEvent</code> 只
		 */
		public void receivedPacket(PacketEvent p)
		{

			if ((p.getPacket() instanceof Packet)
				&& (p.getSource() == connection))
			{
				if (p.getPacket() instanceof CmppPacket)
				{
					CmppPacket cp = (CmppPacket) p.getPacket();
					if (cp.getCommandId() == CmppPacketCommon.ID_CMPP_DELIVER)
					{
						fireReceived(p);
					}

				}

			}

		}

		/**
		 * <code>sentPacket</code> 過(guò)濾發(fā)送包
		 *
		 * @param p  <code>PacketEvent</code> 值
		 */
		public void sentPacket(PacketEvent p)
		{
			if ((p.getPacket() instanceof Packet)
				&& (p.getSource() == connection))
			{
				if (p.getPacket() instanceof CmppPacket)
				{
					CmppPacket cp = (CmppPacket) p.getPacket();

					if (cp.getCommandId()
						== CmppPacketCommon.ID_CMPP_DELIVER_RESP)
					{
						fireSent(p);
					}

				}

			}
		}

		/**
		 *
		 * <code>sendFailed</code> 過(guò)濾發(fā)送失敗事件。
		 *
		 * @param p  <code>PacketEvent</code> 值
		 */
		public void sendFailed(PacketEvent p)
		{
			if ((p.getPacket() instanceof Packet)
				&& (p.getSource() == connection))
			{
				if (p.getPacket() instanceof CmppDeliverResp)
					fireSendFailed(p);
			}
		}

	}

	/** 建立一個(gè)新的 <code>DeliverBean</code> 實(shí)例。 */
	public DeliverBean()
	{
		rebroadcaster = new DeliverListener();
	}

	/**
	 * 建立一個(gè)新的 <code>DeliverBean</code> 實(shí)例, 設(shè)置連接對(duì)象。
	 *
	 * @param connection  <code>ConnectionBean</code> 當(dāng)前對(duì)象的使用的連接
	 */
	public DeliverBean(ConnectionBean connection)
	{
		this();
		setConnection(connection);
	}

	/**
	 * <code>setConnection</code> 在對(duì)象建立后設(shè)置連接對(duì)象。
	 *
	 * @param connection  <code>ConnectionBean</code> 當(dāng)前對(duì)象的使用的連接
	 */
	public void setConnection(ConnectionBean connection)
	{
		this.connection = connection;
		rebroadcaster.registerListener(connection);
	}

	/**
	 * <code>getConnection</code> 返回當(dāng)前對(duì)象使用的連接。
	 *
	 * @return <code>ConnectionBean</code> 返回當(dāng)前對(duì)象使用的連接
	 */
	public ConnectionBean getConnection()
	{
		return connection;
	}

	/**
	 * <code>sendDeliverResp</code> 發(fā)送DeliverResp包
	 * @param deliver <code>CmppDeliver</code>需要回復(fù)的包。
	 * @param result 返回值。
	 */
	public void sendDeliverResp(CmppDeliver deliver,int result)
	{
		
		CmppDeliverRespBuilder cdrb=new CmppDeliverRespBuilder();
		
		cdrb.setSequenceId( deliver.getSequenceId());
		cdrb.setMsgId( deliver.getMsgId());
		cdrb.setResult(result); 
		connection.send(cdrb.builder());
	}

	/**
	 * <code>addPacketListener</code> 增加一個(gè)新的PacketListener。
	 *
	 * @param l  <code>PacketListener</code> 增加的PacketListener。
	 */
	public synchronized void addPacketListener(PacketListener l)
	{
		rebroadcaster.addPacketListener(l);
	}

	/**
	 * <code>delPacketListener</code> 刪除一個(gè)PacketListener。
	 *
	 * @param l  <code>PacketListener</code> 被刪除的PacketListener 
	 */
	public synchronized void delPacketListener(PacketListener l)
	{
		rebroadcaster.delPacketListener(l);
	}
}