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com.zx.sms.codec.cmpp.CmppTerminateRequestMessageCodec Maven / Gradle / Ivy

/**
 * 
 */
package com.zx.sms.codec.cmpp;

import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToMessageCodec;

import java.util.List;

import com.zx.sms.codec.cmpp.msg.CmppTerminateRequestMessage;
import com.zx.sms.codec.cmpp.msg.Message;
import com.zx.sms.codec.cmpp.packet.CmppPacketType;
import com.zx.sms.codec.cmpp.packet.PacketType;
import com.zx.sms.common.GlobalConstance;

/**
 * @author huzorro([email protected])
 *
 */
public class CmppTerminateRequestMessageCodec extends MessageToMessageCodec {
	PacketType packetType;

	public CmppTerminateRequestMessageCodec() {
		this(CmppPacketType.CMPPTERMINATEREQUEST);
	}

	public CmppTerminateRequestMessageCodec(PacketType packetType) {
		this.packetType = packetType;
	}

	@Override
	protected void decode(ChannelHandlerContext ctx, Message msg, List out) throws Exception {
		long commandId = ((Long) msg.getHeader().getCommandId()).longValue();
		if (packetType.getCommandId() != commandId)
		{
			//不解析,交给下一个codec
			out.add(msg);
			return;
		}

		CmppTerminateRequestMessage requestMessage = new CmppTerminateRequestMessage(msg.getHeader());
		out.add(requestMessage);
	}

	@Override
	protected void encode(ChannelHandlerContext ctx, CmppTerminateRequestMessage msg, List out) throws Exception {
		msg.setBodyBuffer(GlobalConstance.emptyBytes);
		msg.getHeader().setBodyLength(msg.getBodyBuffer().length);
		out.add(msg);
	}

}