TrafficModel.java
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package com.viontech.model;
import com.fasterxml.jackson.core.util.ByteArrayBuilder;
import com.viontech.Application;
import lombok.Getter;
import lombok.Setter;
import lombok.experimental.Accessors;
import java.util.zip.CRC32;
/**
* 发送车牌记录,包含电警记录
*
* @author 谢明辉
* @date 2020/8/21
*/
@Getter
@Setter
@Accessors(chain = true)
public class TrafficModel extends BaseModel {
/** 车牌文字 */
private final byte[] plateText = new byte[16];
/** 经过地点 */
private final byte[] routeLocation = new byte[32];
/** 录像路径 */
private final byte[] videoPath = new byte[128];
/** 第一张照片路径 */
private final byte[] picturePath = new byte[128];
/** 序列号 */
private int serialNum;
/** 识别车牌时间(秒) */
private int discernTime;
/** 识别车牌时间(毫秒) */
private int discernMillisecondTime;
/** 车牌类型 */
private int plateType;
/** 车牌识别可靠度 */
private int confidence;
/** 车道 */
private int lane;
/** 车辆类型 */
private int vehicleType;
/** 图片大小宽高 */
private int secondPictureSize;
private int secondPictureWidth;
private int secondPictureHeight;
private int firstPictureSize;
private int firstPictureWidth;
private int firstPictureHeight;
/** 车牌在第一张图片两种 左上右下 位置 */
private int patternLeft;
private int patternTop;
private int patternRight;
private int patternBottom;
/** 车身颜色 */
private int color;
/** 车速 */
private int speed;
/** 方向 */
private int direction;
/** 厂商标志 */
private int manufacturerLogo;
/** 三个预留位 */
private int reservedField;
private int reservedField2;
private int reservedField3;
/** 车型细分 */
private int vehicleCategory;
/** 车牌结构 1单行2双行3其他 */
private int plateStructure;
/** 违章类型 */
private int illegalType;
/** 预留位 */
private int reservedField4;
/** 第二张图片抓拍时间 */
private int secondPictureTime;
private int secondPictureMillisecondTime;
/** 红灯开始时间 */
private int redLightBeginTime;
private int redLightBeginMillisecondTime;
/** 红灯结束时间 */
private int redLightEndTime;
private int redLightEndMillisecondTime;
/** 限速值 */
private int speedLimit;
/** 超速抓拍值 */
private int overSpeedThreshold;
/** 预留字段 */
private byte[] reservedField5 = new byte[4];
/** picture1 */
private byte[] picture1 = new byte[0];
/** picture2 */
private byte[] picture2 = new byte[0];
@Override
public void encodeData() {
this.deviceId = 1;
this.protocol = 0x00020004L;
this.length = 16L + 452L + picture1.length + picture2.length + 4;
this.flag = Application.REAL_TIME;
ByteArrayBuilder builder = new ByteArrayBuilder(Math.toIntExact(this.length - 16 - 4));
builder.appendFourBytes(serialNum);
builder.appendFourBytes(discernTime);
builder.appendFourBytes(discernMillisecondTime);
builder.write(plateText);
builder.appendFourBytes(plateType);
builder.appendFourBytes(confidence);
builder.appendFourBytes(lane);
builder.appendFourBytes(vehicleType);
builder.appendFourBytes(secondPictureSize);
builder.appendFourBytes(secondPictureWidth);
builder.appendFourBytes(secondPictureHeight);
builder.appendFourBytes(firstPictureSize);
builder.appendFourBytes(firstPictureWidth);
builder.appendFourBytes(firstPictureHeight);
builder.appendFourBytes(patternLeft);
builder.appendFourBytes(patternTop);
builder.appendFourBytes(patternRight);
builder.appendFourBytes(patternBottom);
builder.appendFourBytes(color);
builder.appendFourBytes(speed);
builder.appendFourBytes(direction);
builder.appendFourBytes(manufacturerLogo);
builder.write(routeLocation);
builder.write(videoPath);
builder.write(picturePath);
builder.appendFourBytes(reservedField);
builder.appendFourBytes(reservedField2);
builder.appendFourBytes(reservedField3);
builder.appendFourBytes(vehicleCategory);
builder.appendFourBytes(plateStructure);
builder.appendFourBytes(illegalType);
builder.appendFourBytes(reservedField4);
builder.appendFourBytes(secondPictureTime);
builder.appendFourBytes(secondPictureMillisecondTime);
builder.appendFourBytes(redLightBeginTime);
builder.appendFourBytes(redLightBeginMillisecondTime);
builder.appendFourBytes(redLightEndTime);
builder.appendFourBytes(redLightEndMillisecondTime);
builder.appendFourBytes(speedLimit);
builder.appendFourBytes(overSpeedThreshold);
builder.write(reservedField5);
builder.write(picture1);
builder.write(picture2);
byte[] bytes = builder.resetAndGetFirstSegment();
int count = bytes.length;
// crc32
CRC32 crc32 = new CRC32();
crc32.update(bytes);
int value = (int) crc32.getValue();
for (int i = 0; i < count; i++) {
bytes[i] = (byte) (bytes[i] ^ 0x94);
}
this.data = new byte[count + 4];
System.arraycopy(bytes, 0, data, 0, count);
this.data[count++] = (byte) (value >> 24);
this.data[count++] = (byte) (value >> 16);
this.data[count++] = (byte) (value >> 8);
this.data[count] = (byte) value;
}
}