package com.ld.igds.protocol.beibo.grain.builder;
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import com.ld.igds.protocol.beibo.grain.util.BeiboGrainServerUtils;
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import com.ld.igds.util.BytesUtil;
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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 czt
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*/
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public class ReMessageBuilder {
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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 strMsg
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* @return
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*/
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public ReMessage buildMessage(String strMsg) {
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ReMessage message = new ReMessage();
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message.setStrMsg(strMsg);
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//设置起始符
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message.setStartStr(strMsg.substring(0, 9*2-1));
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//设置粮情分机地址
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String str = strMsg.substring(9*2-1, 10*2-1);
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int i = BytesUtil.hexToInt(str);
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String serId = String.valueOf(i - BeiboGrainServerUtils.BM);
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message.setSerId(serId);
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//粮情数据
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str = strMsg.substring(10*2-1, 1034*2 -1);
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message.setGrainStr(str);
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//温度数据
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str = strMsg.substring(1034*2 -1, 1052*2-1);
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message.setThStr(str);
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//扩充数据
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str = strMsg.substring(strMsg.length()-14*2, strMsg.length()-4*2);
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message.setExpand(str);
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//检验码
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str = strMsg.substring(strMsg.length()-4*2);
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message.setHexCrc16(str);
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return message;
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}
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}
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