package com.fzzy.protocol.bhzn.cmd;
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import com.fzzy.api.utils.BytesUtil;
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import com.fzzy.protocol.bhzn.data.IoMessage;
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/**
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* 根据接收到的信息进行封装
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*
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* @author vince
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*/
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public class ReMessageBuilder {
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public final static String ERROR_TAG = "3CF6";
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public static double FAULT_CHECK_TAG = 85.0;
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public static double MAX_TEMP = -50.0;
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public static double MIN_TEMP = 50.0;
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private final static ReMessageBuilder instance = new ReMessageBuilder();
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private ReMessageBuilder() {
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}
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public static ReMessageBuilder getInstance() {
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return instance;
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}
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/**
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* @param message
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* @return
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*/
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public IoMessage buildMessage(String message) throws Exception {
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IoMessage ioMessage = new IoMessage();
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//转换为数字，高低位转换(4位)
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int i = BytesUtil.hexToBigInt(BytesUtil.tran_LH(message.substring(2, 6)));
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ioMessage.setPcAddr(i + "");
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i = BytesUtil.hexToBigInt(BytesUtil.tran_LH(message.substring(6, 10)));//高低位转换(4位)
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ioMessage.setAddr(i + "");
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ioMessage.setFunctionId(message.substring(10, 12));//功能码(2位)，不用高低位转换
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i = BytesUtil.hexToBigInt(message.substring(12, 14));//长度(1位)
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ioMessage.setLength(i);
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//获取消息体
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ioMessage.setContent(message.substring(14, 14 + (i * 2)));
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ioMessage.setCheck(message.substring(message.length() - 2));
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return ioMessage;
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}
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}
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