package com.ruoyi.dataInterchange.util.jtt809.packet.upexg;
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import io.netty.buffer.ByteBuf;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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import lombok.ToString;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.time.DateUtils;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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import java.text.ParseException;
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/**
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* @author tucke
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*/
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@Slf4j
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@ToString(callSuper = true)
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@EqualsAndHashCode(callSuper = true)
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@Data
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public class UpExgRealLocationPacket extends UpExgPacket {
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private static final BigDecimal LAT_LON_DIVISOR = new BigDecimal(1000000);
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private byte encrypt;
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private long timestamp;
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private double lon;
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private double lat;
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private short vec1;
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private short vec2;
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private int vec3;
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private short direction;
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private short altitude;
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private int state;
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private int alarm;
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public static UpExgRealLocationPacket decode(ByteBuf byteBuf) {
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UpExgRealLocationPacket packet = new UpExgRealLocationPacket();
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packet.setEncrypt(byteBuf.readByte());
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String date = byteBuf.readByte() + "-" + byteBuf.readByte() + "-" + byteBuf.readShort() + " " +
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byteBuf.readByte() + ":" + byteBuf.readByte() + ":" + byteBuf.readByte();
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try {
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long time = DateUtils.parseDate(date, "dd-MM-yyyy HH:mm:ss").getTime();
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packet.setTimestamp(time);
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} catch (ParseException e) {
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log.warn("日期 [{}] 解析错误", date);
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}
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BigDecimal lon = new BigDecimal(String.valueOf(byteBuf.readInt()));
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BigDecimal lat = new BigDecimal(String.valueOf(byteBuf.readInt()));
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try {
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packet.setLon(lon.divide(LAT_LON_DIVISOR, 6, RoundingMode.UNNECESSARY).doubleValue());
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packet.setLat(lat.divide(LAT_LON_DIVISOR, 6, RoundingMode.UNNECESSARY).doubleValue());
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} catch (ArithmeticException e) {
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log.warn("经纬度 [{}, {}] 解析错误", lon, lat);
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}
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packet.setVec1(byteBuf.readShort());
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packet.setVec2(byteBuf.readShort());
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packet.setVec3(byteBuf.readInt());
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packet.setDirection(byteBuf.readShort());
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packet.setAltitude(byteBuf.readShort());
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packet.setState(byteBuf.readInt());
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packet.setAlarm(byteBuf.readInt());
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return packet;
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}
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}
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