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[feature] 添加解析车辆识别代码
This commit is contained in:
VampireAchao
parent
a55aed6a5a
commit
9c0a343491
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package org.dromara.hutool.extra.vehicle;
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import org.dromara.hutool.extra.vehicle.vin.Vin;
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/**
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* 汽车工具类封装
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*
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* @author VampireAchao
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*/
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public class VehicleUtil {
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/**
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* 解析车辆识别代码
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*
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* @param vin 车辆识别代码
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* @return 解析后的结果
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*/
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public static Vin parseVin(String vin) {
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return Vin.of(vin);
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}
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}
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package org.dromara.hutool.extra.vehicle.vin;
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/**
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* 可以是字母或者数字的字码
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*
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* @author dax
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* @since 2023 /5/14 17:56
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*/
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class AlphanumericVinCode implements MaskVinCode {
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private final String code;
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private final int index;
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private final int mask;
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/**
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* 该构造会校验字码是否符合GB16735标准
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*
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* @param code 字码值
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* @param index 索引位
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* @throws IllegalArgumentException the illegal argument exception
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*/
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AlphanumericVinCode(String code, int index) {
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this.code = code;
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this.index = index;
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int weight = WEIGHT_FACTORS.get(index);
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mask = NUMERIC.matcher(this.code).matches() ?
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Integer.parseInt(this.code) * weight :
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VinCodeMaskEnum.valueOf(this.code).getMaskCode() * weight;
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}
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@Override
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public String getCode() {
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return code;
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}
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@Override
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public int getMask() {
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return mask;
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}
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@Override
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public int getIndex() {
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return index;
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}
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@Override
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public String toString() {
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return "AlphanumericVinCode{" +
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"code='" + code + '\'' +
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", index=" + index +
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", mask=" + mask +
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'}';
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}
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}
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package org.dromara.hutool.extra.vehicle.vin;
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import java.util.Arrays;
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import java.util.List;
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import java.util.regex.Pattern;
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/**
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* 支持掩码的字码
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*
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* @author dax
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* @since 2023 /5/15 10:43
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*/
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interface MaskVinCode extends VinCode {
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/**
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* 字码权重因子
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*/
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List<Integer> WEIGHT_FACTORS = Arrays.asList(8, 7, 6, 5, 4, 3, 2, 10, 0, 9, 8, 7, 6, 5, 4, 3, 2);
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/**
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* 数字位校验
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*/
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Pattern NUMERIC = Pattern.compile("^\\d$");
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/**
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* 获取掩码，字码编码*加权值
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*
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* @return the mask
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*/
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int getMask();
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/**
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* 所在位置索引,[0,16]
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*
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* @return the index
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*/
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int getIndex();
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}
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package org.dromara.hutool.extra.vehicle.vin;
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/**
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* 数字字码.
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*
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* @author dax
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* @since 2023 /5/14 17:42
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*/
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class NumericVinCode implements MaskVinCode {
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private final String code;
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private final int index;
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private final int mask;
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/**
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* 该构造会校验字码是否符合GB16735标准
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*
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* @param code 字码值
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* @param index 索引位
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* @throws IllegalArgumentException 校验
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*/
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NumericVinCode(String code, int index) throws IllegalArgumentException {
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if (!NUMERIC.matcher(code).matches()) {
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throw new IllegalArgumentException("索引为 " + index + " 的字码必须是数字");
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}
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this.code = code;
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this.index = index;
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this.mask = Integer.parseInt(code) * WEIGHT_FACTORS.get(index);
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}
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@Override
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public String getCode() {
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return code;
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}
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@Override
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public int getMask() {
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return mask;
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}
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@Override
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public int getIndex() {
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return index;
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}
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@Override
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public String toString() {
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return "NumericCode{" +
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"code='" + code + '\'' +
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", index=" + index +
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", mask=" + mask +
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'}';
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}
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}
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package org.dromara.hutool.extra.vehicle.vin;
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import java.util.List;
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import java.util.stream.Collectors;
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import java.util.stream.IntStream;
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/**
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* VDS
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*
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* @author dax
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* @since 2023 /5/15 9:37
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*/
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class Vds implements VinCode {
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private final List<AlphanumericVinCode> vdCode;
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private final AlphanumericVinCode checksum;
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private final String code;
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private final int mask;
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/**
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* Instantiates a new Vds.
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*
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* @param vdCode the vd code
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*/
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Vds(List<AlphanumericVinCode> vdCode) {
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this.vdCode = vdCode.subList(0, 5);
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this.checksum = vdCode.get(5);
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this.code = vdCode.stream().map(AlphanumericVinCode::getCode).collect(Collectors.joining());
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this.mask = vdCode.stream().mapToInt(AlphanumericVinCode::getMask).sum();
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}
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/**
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* 从VIN生成VDS
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*
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* @param vin the vin
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* @return the vds
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*/
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public static Vds from(String vin) {
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List<AlphanumericVinCode> vdCode = IntStream.range(3, 9)
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.mapToObj(index ->
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new AlphanumericVinCode(String.valueOf(vin.charAt(index)), index))
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.collect(Collectors.toList());
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return new Vds(vdCode);
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}
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/**
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* Gets vd code.
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*
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* @return the vd code
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*/
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List<AlphanumericVinCode> getVdCode() {
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return vdCode;
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}
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/**
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* Gets checksum.
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*
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* @return the checksum
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*/
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AlphanumericVinCode getChecksum() {
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return checksum;
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}
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@Override
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public String getCode() {
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return code;
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}
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/**
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* Gets mask.
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*
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* @return the mask
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*/
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int getMask() {
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return mask;
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}
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@Override
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public String toString() {
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return "Vds{" +
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"vdCode=" + vdCode +
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", checksum=" + checksum +
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", code='" + code + '\'' +
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", mask=" + mask +
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'}';
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}
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}
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package org.dromara.hutool.extra.vehicle.vin;
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import java.time.Year;
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import java.util.Objects;
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import java.util.regex.Pattern;
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import java.util.stream.IntStream;
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/**
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* VIN是Vehicle Identification Number的缩写，即车辆识别号码。VIN码是全球通行的车辆唯一标识符，由17位数字和字母组成。
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* <p>
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* 不同位数代表着不同意义，具体解释如下：
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* <ul>
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* <li>1-3位：制造商标示符，代表车辆制造商信息</li>
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* <li>4-8位：车型识别代码，代表车辆品牌、车系、车型及其排量等信息</li>
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* <li>9位：校验位，通过公式计算出来，用于验证VIN码的正确性</li>
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* <li>10位：年份代号，代表车辆生产的年份</li>
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* <li>11位：工厂代码，代表车辆生产工厂信息</li>
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* <li>12-17位：流水号，代表车辆的生产顺序号</li>
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* </ul>
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* VIN码可以找到汽车详细的个人、工程、制造方面的信息，是判定一个汽车合法性及其历史的重要依据。
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* <p>
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* 本实现参考以下标准：
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* <ul>
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* <li><a href="https://www.iso.org/standard/52200.html">ISO 3779</a></li>
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* <li><a href="http://www.catarc.org.cn/upload/202004/24/202004241005284241.pdf">车辆识别代号管理办法</a></li>
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* <li><a href="https://en.wikipedia.org/wiki/Vehicle_identification_number">Wikipedia</a></li>
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* </ul>
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*
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* @author dax
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* @since 2023 /5/15 9:40
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*/
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public final class Vin implements VinCode {
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private static final Pattern GB16735_VIN_REGEX = Pattern.compile("^[A-HJ-NPR-Z\\d]{8}[X\\d][A-HJ-NPR-Z\\d]{8}$");
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private final Wmi wmi;
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private final Vds vds;
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private final Vis vis;
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private final String code;
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/**
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* Instantiates a new Vin.
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*
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* @param wmi the wmi
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* @param vds the vds
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* @param vis the vis
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* @param code the code
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*/
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Vin(Wmi wmi, Vds vds, Vis vis, String code) {
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this.wmi = wmi;
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this.vds = vds;
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this.vis = vis;
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this.code = code;
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}
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/**
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* 从VIN字符串生成{@code Vin}对象
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*
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* @param vin VIN字符串
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* @return VIN对象 vin
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*/
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public static Vin of(String vin) throws IllegalArgumentException {
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if (!GB16735_VIN_REGEX.matcher(vin).matches()) {
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throw new IllegalArgumentException("VIN格式不正确，需满足正则 " + GB16735_VIN_REGEX.pattern());
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}
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Wmi wmi = Wmi.from(vin);
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Vds vds = Vds.from(vin);
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Vis vis = Vis.from(vin);
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int factor = (wmi.getMask() + vds.getMask() + vis.getMask()) % 11;
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String checked = factor != 10 ? String.valueOf(factor) : "X";
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if (!Objects.equals(vds.getChecksum().getCode(), checked)) {
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throw new IllegalArgumentException("VIN校验不通过");
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}
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return new Vin(wmi, vds, vis, vin);
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}
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/**
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* 仅判断一个字符串是否符合VIN规则
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*
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* @param vinStr vinStr
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* @return {@code true} 符合
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*/
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public static boolean isValidVinCode(String vinStr) {
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if (GB16735_VIN_REGEX.matcher(vinStr).matches()) {
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int weights = IntStream.range(0, 17)
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.map(i -> calculateWeight(vinStr, i))
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.sum();
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int factor = weights % 11;
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char checked = factor != 10 ? (char) (factor + '0') : 'X';
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return vinStr.charAt(8) == checked;
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}
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return false;
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}
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private static int calculateWeight(String vinStr, int i) {
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char c = vinStr.charAt(i);
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Integer factor = MaskVinCode.WEIGHT_FACTORS.get(i);
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return c <= '9' ?
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Character.getNumericValue(c) * factor :
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VinCodeMaskEnum.valueOf(String.valueOf(c)).getMaskCode() * factor;
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}
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/**
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* 标识一个国家或者地区
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*
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* @return the string
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*/
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public String geoCode() {
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String wmiCode = this.wmi.getCode();
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return wmiCode.substring(0, 2);
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}
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/**
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* 制造厂标识码
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* <p>
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* 年产量大于1000为符合GB16737规定的{@link Wmi}，年产量小于1000固定为9，需要结合VIN的第12、13、14位字码确定唯一
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*
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* @return 主机厂识别码 string
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*/
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public String manufacturerCode() {
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String wmiCode = this.wmi.getCode();
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return isLessThan1000() ?
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wmiCode.concat(this.vis.getProdNoStr().substring(0, 3)) : wmiCode;
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}
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/**
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* 是否是年产量小于1000的车辆制造厂
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*
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* @return 是否年产量小于1000 boolean
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*/
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public boolean isLessThan1000() {
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return this.wmi.isLessThan1000();
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}
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/**
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* 获取WMI码
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*
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* @return WMI值 string
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*/
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public String wmiCode() {
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return wmi.getCode();
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}
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/**
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* 获取车辆特征描述码
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*
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* @return VDS值 string
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*/
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public String vdsCode() {
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return this.vds.getCode().substring(0, 5);
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}
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/**
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* 获取默认车型年份，接近于本年度
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*
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* @return the int
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*/
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public Year defaultYear() {
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return this.year(1);
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}
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/**
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* 获取车型年份
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* <p>
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* 自1980年起，30年一个周期
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*
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* @param multiple 1 代表从 1980年开始的第一个30年
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* @return 返回年份对象 year
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* @see <a href="https://en.wikipedia.org/wiki/Vehicle_identification_number#Model_year_encoding">年份编码模型</a>
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*/
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public Year year(int multiple) {
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return this.vis.getYear(multiple);
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}
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/**
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* 生产序号
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* <p>
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* 年产量大于1000为6位，年产量小于1000的为3位
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*
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* @return 生产序号 string
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*/
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public String prodNo() {
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String prodNoStr = this.vis.getProdNoStr();
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return isLessThan1000() ?
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prodNoStr.substring(3, 6) : prodNoStr;
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}
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/**
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* 获取装配厂字码
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*
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* @return 由厂家自行定义的装配厂字码 string
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*/
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public String oemCode() {
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return this.vis.getOem().getCode();
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}
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@Override
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public String getCode() {
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return code;
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}
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@Override
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public String toString() {
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return "Vin{" +
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"wmi=" + wmi +
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", vds=" + vds +
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", vis=" + vis +
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", code='" + code + '\'' +
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'}';
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}
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}
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@ -0,0 +1,18 @@
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package org.dromara.hutool.extra.vehicle.vin;
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/**
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* 汽车Vin字码抽象.
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*
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* @author dax
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* @since 2023 /5/14 17:42
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*/
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interface VinCode {
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/**
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* 获取字码值
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*
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* @return the code
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*/
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String getCode();
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}
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@ -0,0 +1,117 @@
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package org.dromara.hutool.extra.vehicle.vin;
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/**
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* Vin掩码枚举
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*
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* @author dax
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* @since 2023 /5/15 10:49
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*/
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enum VinCodeMaskEnum {
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/**
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* A 掩码.
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*/
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A(1),
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/**
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* B 掩码.
|
||||
*/
|
||||
B(2),
|
||||
/**
|
||||
* C 掩码.
|
||||
*/
|
||||
C(3),
|
||||
/**
|
||||
* D 掩码.
|
||||
*/
|
||||
D(4),
|
||||
/**
|
||||
* E 掩码.
|
||||
*/
|
||||
E(5),
|
||||
/**
|
||||
* F 掩码.
|
||||
*/
|
||||
F(6),
|
||||
/**
|
||||
* G 掩码.
|
||||
*/
|
||||
G(7),
|
||||
/**
|
||||
* H 掩码.
|
||||
*/
|
||||
H(8),
|
||||
/**
|
||||
* J 掩码.
|
||||
*/
|
||||
J(1),
|
||||
/**
|
||||
* K 掩码.
|
||||
*/
|
||||
K(2),
|
||||
/**
|
||||
* L 掩码.
|
||||
*/
|
||||
L(3),
|
||||
/**
|
||||
* M 掩码.
|
||||
*/
|
||||
M(4),
|
||||
/**
|
||||
* N 掩码.
|
||||
*/
|
||||
N(5),
|
||||
/**
|
||||
* P 掩码.
|
||||
*/
|
||||
P(7),
|
||||
/**
|
||||
* R 掩码.
|
||||
*/
|
||||
R(9),
|
||||
/**
|
||||
* S 掩码.
|
||||
*/
|
||||
S(2),
|
||||
/**
|
||||
* T 掩码.
|
||||
*/
|
||||
T(3),
|
||||
/**
|
||||
* U 掩码.
|
||||
*/
|
||||
U(4),
|
||||
/**
|
||||
* V 掩码.
|
||||
*/
|
||||
V(5),
|
||||
/**
|
||||
* W 掩码.
|
||||
*/
|
||||
W(6),
|
||||
/**
|
||||
* X 掩码.
|
||||
*/
|
||||
X(7),
|
||||
/**
|
||||
* Y 掩码.
|
||||
*/
|
||||
Y(8),
|
||||
/**
|
||||
* Z 掩码.
|
||||
*/
|
||||
Z(9);
|
||||
|
||||
private final int maskCode;
|
||||
|
||||
VinCodeMaskEnum(int maskCode) {
|
||||
this.maskCode = maskCode;
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取掩码值.
|
||||
*
|
||||
* @return the mask code
|
||||
*/
|
||||
public int getMaskCode() {
|
||||
return maskCode;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,139 @@
|
||||
package org.dromara.hutool.extra.vehicle.vin;
|
||||
|
||||
import java.time.Year;
|
||||
import java.util.Arrays;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
/**
|
||||
* VIS
|
||||
*
|
||||
* @author dax
|
||||
* @since 2023 /5/15 12:07
|
||||
*/
|
||||
class Vis implements VinCode {
|
||||
|
||||
private static final int YEAR_LOOP = 30;
|
||||
private static final List<String> YEAR_ID = Arrays.asList(
|
||||
"A", "B", "C", "D", "E",
|
||||
"F", "G", "H", "J", "K",
|
||||
"L", "M", "N", "P", "R",
|
||||
"S", "T", "V", "W", "X",
|
||||
"Y", "1", "2", "3", "4",
|
||||
"5", "6", "7", "8", "9");
|
||||
private static final Map<String, Integer> YEAR_MAP = new HashMap<>();
|
||||
|
||||
static {
|
||||
for (int i = 0; i < YEAR_ID.size(); i++) {
|
||||
YEAR_MAP.put(YEAR_ID.get(i), i);
|
||||
}
|
||||
}
|
||||
|
||||
private final AlphanumericVinCode year;
|
||||
private final AlphanumericVinCode oem;
|
||||
private final List<MaskVinCode> prodNo;
|
||||
private final String prodNoStr;
|
||||
private final String code;
|
||||
private final int mask;
|
||||
|
||||
/**
|
||||
* Instantiates a new Vis.
|
||||
*
|
||||
* @param year the year
|
||||
* @param oem the oem
|
||||
* @param prodNo the prod no
|
||||
*/
|
||||
Vis(AlphanumericVinCode year, AlphanumericVinCode oem, List<MaskVinCode> prodNo) {
|
||||
this.year = year;
|
||||
this.oem = oem;
|
||||
this.prodNo = prodNo;
|
||||
this.prodNoStr = prodNo.stream().map(MaskVinCode::getCode).collect(Collectors.joining());
|
||||
this.code = year.getCode() + oem.getCode() + prodNo.stream()
|
||||
.map(MaskVinCode::getCode)
|
||||
.collect(Collectors.joining());
|
||||
this.mask = year.getMask() + oem.getMask() + prodNo.stream().mapToInt(MaskVinCode::getMask).sum();
|
||||
}
|
||||
|
||||
/**
|
||||
* 从VIN生成VIS
|
||||
*
|
||||
* @param vin the vin
|
||||
* @return the vis
|
||||
*/
|
||||
static Vis from(String vin) {
|
||||
AlphanumericVinCode year = new AlphanumericVinCode(String.valueOf(vin.charAt(9)), 9);
|
||||
AlphanumericVinCode factory = new AlphanumericVinCode(String.valueOf(vin.charAt(10)), 10);
|
||||
List<MaskVinCode> codes = IntStream.range(11, 17)
|
||||
.mapToObj(index -> index < 14 ? new AlphanumericVinCode(String.valueOf(vin.charAt(index)), index) :
|
||||
new NumericVinCode(String.valueOf(vin.charAt(index)), index))
|
||||
.collect(Collectors.toList());
|
||||
return new Vis(year, factory, codes);
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets year.
|
||||
*
|
||||
* @param multiple the multiple
|
||||
* @return the year
|
||||
*/
|
||||
Year getYear(int multiple) {
|
||||
int year = 1980 + YEAR_LOOP * multiple + YEAR_MAP.get(this.year.getCode()) % YEAR_LOOP;
|
||||
return Year.of(year);
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets oem.
|
||||
*
|
||||
* @return the oem
|
||||
*/
|
||||
AlphanumericVinCode getOem() {
|
||||
return oem;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Gets prod no.
|
||||
*
|
||||
* @return the prod no
|
||||
*/
|
||||
List<MaskVinCode> getProdNo() {
|
||||
return prodNo;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets prod no str.
|
||||
*
|
||||
* @return the prod no str
|
||||
*/
|
||||
String getProdNoStr() {
|
||||
return prodNoStr;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets mask.
|
||||
*
|
||||
* @return the mask
|
||||
*/
|
||||
int getMask() {
|
||||
return mask;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getCode() {
|
||||
return code;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "Vis{" +
|
||||
"year=" + year +
|
||||
", oem=" + oem +
|
||||
", prodNo=" + prodNo +
|
||||
", code='" + code + '\'' +
|
||||
", mask=" + mask +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,83 @@
|
||||
package org.dromara.hutool.extra.vehicle.vin;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.concurrent.atomic.AtomicInteger;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
/**
|
||||
* The type Wmi.
|
||||
*
|
||||
* @author dax
|
||||
* @since 2023 /5/15 9:25
|
||||
*/
|
||||
class Wmi implements VinCode {
|
||||
private final String code;
|
||||
private final int mask;
|
||||
/**
|
||||
* The Wmi codes.
|
||||
*/
|
||||
List<AlphanumericVinCode> wmiCodes;
|
||||
|
||||
/**
|
||||
* Instantiates a new Wmi.
|
||||
*
|
||||
* @param wmiCodes the wmi codes
|
||||
*/
|
||||
Wmi(List<AlphanumericVinCode> wmiCodes) {
|
||||
this.wmiCodes = wmiCodes;
|
||||
AtomicInteger mask = new AtomicInteger();
|
||||
this.code = wmiCodes.stream()
|
||||
.peek(alphanumericCode -> mask.addAndGet(alphanumericCode.getMask()))
|
||||
.map(AlphanumericVinCode::getCode)
|
||||
.collect(Collectors.joining());
|
||||
this.mask = mask.get();
|
||||
}
|
||||
|
||||
/**
|
||||
* 从VIN生成WMI
|
||||
*
|
||||
* @param vin the vin
|
||||
* @return the wmi
|
||||
*/
|
||||
static Wmi from(String vin) {
|
||||
List<AlphanumericVinCode> codes = IntStream.range(0, 3)
|
||||
.mapToObj(index ->
|
||||
new AlphanumericVinCode(String.valueOf(vin.charAt(index)), index))
|
||||
.collect(Collectors.toList());
|
||||
return new Wmi(codes);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getCode() {
|
||||
return code;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "Wmi{" +
|
||||
"wmiCodes=" + wmiCodes +
|
||||
", code='" + code + '\'' +
|
||||
", mask=" + mask +
|
||||
'}';
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets mask.
|
||||
*
|
||||
* @return the mask
|
||||
*/
|
||||
int getMask() {
|
||||
return mask;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* 是否是年产量小于1000的车辆制造厂
|
||||
*
|
||||
* @return the boolean
|
||||
*/
|
||||
boolean isLessThan1000() {
|
||||
return this.code.matches("^.*9$");
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,41 @@
|
||||
package org.dromara.hutool.extra.vehicle;
|
||||
|
||||
import org.dromara.hutool.extra.vehicle.vin.Vin;
|
||||
import org.junit.jupiter.api.Assertions;
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
import java.time.Year;
|
||||
|
||||
/**
|
||||
* @author VampireAchao
|
||||
* @since 2023/5/31 14:43
|
||||
*/
|
||||
public class VehicleTest {
|
||||
|
||||
@Test
|
||||
public void parseVinTest() {
|
||||
String vinStr = "HE9XR1C48PS083871";
|
||||
Vin vin = Vin.of(vinStr);
|
||||
// VIN
|
||||
Assertions.assertEquals("HE9XR1C48PS083871", vin.getCode());
|
||||
// 是否合法
|
||||
Assertions.assertTrue(Vin.isValidVinCode(vinStr));
|
||||
// 年产量<1000
|
||||
Assertions.assertTrue(vin.isLessThan1000());
|
||||
// WMI
|
||||
Assertions.assertEquals("HE9", vin.wmiCode());
|
||||
// 地理区域码
|
||||
Assertions.assertEquals("HE", vin.geoCode());
|
||||
// 主机厂代码
|
||||
Assertions.assertEquals("HE9083", vin.manufacturerCode());
|
||||
// VDS
|
||||
Assertions.assertEquals("XR1C4", vin.vdsCode());
|
||||
// 车型年份
|
||||
Assertions.assertEquals(Year.of(2023), vin.defaultYear());
|
||||
// OEM厂商
|
||||
Assertions.assertEquals("S", vin.oemCode());
|
||||
// 生产序号
|
||||
Assertions.assertEquals("871", vin.prodNo());
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user