MappingUtils.java 5.88 KB
package com.diligrp.tax.central.utils;

import com.diligrp.tax.central.context.ConverterContext;
import com.diligrp.tax.central.converter.IConverter;
import com.diligrp.tax.central.converter.ISubConverter;
import com.diligrp.tax.central.converter.anno.Converter;
import com.diligrp.tax.central.converter.anno.SubConverter;
import com.diligrp.tax.central.domain.BaseDocument;
import com.diligrp.tax.central.domain.BaseMapping;
import com.diligrp.tax.central.exception.TaxAgentServiceException;
import com.diligrp.tax.central.model.PipelineDocFieldTypeDO;
import com.diligrp.tax.central.model.PipelineDocFieldTypeRemoteParamDO;
import com.diligrp.tax.central.type.TaxSystemType;
import com.fasterxml.jackson.core.type.TypeReference;
import lombok.extern.slf4j.Slf4j;

import java.lang.reflect.Field;
import java.util.*;
import java.util.function.Function;

/**
 * @Author: zhangmeiyang
 * @CreateTime: 2025-11-03 11:32
 * @Version: todo
 */
@Slf4j
public class MappingUtils {
    public static <T> Function<Object, T> mappingObject(Class<T> clazz) {
        return item -> {
            Map<String, Object> map = new HashMap<>();
            Arrays.stream(item.getClass().getDeclaredFields()).filter(field -> field.isAnnotationPresent(Converter.class)).forEach(field -> configureField(item, field, map));
            return JsonUtils.convertValue(map, clazz);
        };
    }

    public static void configureField(Object item, Field field, Map<String, Object> map) {
        try {
            field.setAccessible(true);
            Object val = field.get(item);
            Converter converter = field.getAnnotation(Converter.class);
            IConverter<?> IConverter = ConverterContext.CONVERTER_MAP.get(converter.value());
            Object newVal = IConverter.convert(val);
            map.put(converter.targetField(), newVal);
        } catch (Exception e) {
            log.error("MappingUtils.configureField转换失败", e.fillInStackTrace());
            throw new TaxAgentServiceException(TaxSystemType.ABNORMAL_PARAMETERS, e);
        }
    }

    public static void configureSubField(Object item, Field field, Map<String, Object> map) {
        try {
            field.setAccessible(true);
            Object val = field.get(item);
            SubConverter converter = field.getAnnotation(SubConverter.class);
            ISubConverter<?> iSubConverter = ConverterContext.SUB_CONVERTER_MAP.get(converter.value());
            Object newVal = iSubConverter.convert((List<?>) val);
            map.put(converter.targetField(), newVal);
        } catch (Exception e) {
            log.error("MappingUtils.configureSubField转换失败", e.fillInStackTrace());
            throw new TaxAgentServiceException(TaxSystemType.ABNORMAL_PARAMETERS, e);
        }
    }

    public static <T extends BaseDocument, R extends BaseMapping> R convertValue(T t, Class<R> clazz) {
        Map<String, Object> map = new HashMap<>();
        List<Field> allFields = listFields(t.getClass());
        allFields.stream().filter(field -> field.isAnnotationPresent(Converter.class)).forEach(field -> configureField(t, field, map));
        allFields.stream().filter(field -> field.isAnnotationPresent(SubConverter.class)).forEach(field -> configureSubField(t, field, map));
        return JsonUtils.convertValue(map, clazz);
    }


    public static List<Field> listFields(Class<?> clazz) {
        List<Field> fields = new ArrayList<>();
        while (Objects.nonNull(clazz)) {
            fields.addAll(Arrays.asList(clazz.getDeclaredFields()));
            clazz = clazz.getSuperclass();
        }
        return fields;
    }

    public static Object reflectFieldValue(Field field, Object o) {
        field.setAccessible(true);
        try {
            return field.get(o);
        } catch (IllegalAccessException e) {
            throw new TaxAgentServiceException(TaxSystemType.UNKNOWN_ERROR, e.getMessage());
        }
    }

    public static void reflectField(Object object, Field field, Map<String, PipelineDocFieldTypeDO> kvMap) {
        if (kvMap.containsKey(field.getName())) {
            field.setAccessible(true);
            try {
                PipelineDocFieldTypeDO cfg = kvMap.get(field.getName());
                switch (cfg.getSettingFieldType()) {
                    case FIXED -> {
                        var fixedValue = cfg.getFixedValue();
                        field.set(object, fixedValue);
                    }
                    case DYNAMIC -> {
                        Map<String, String> dynamicValues = cfg.getDynamicValues();
                        String value = (String) field.get(object);
                        if (dynamicValues.containsKey(value)) {
                            field.set(object, dynamicValues.get(value));
                        }
                    }
                    case REMOTE -> {
                        PipelineDocFieldTypeRemoteParamDO pipelineDocFieldTypeRemoteParamDO = cfg.getPipelineDocFieldTypeRemoteParamDO();
                        String value = (String) field.get(object);
                        String fixedParams = pipelineDocFieldTypeRemoteParamDO.getFixedParams();
                        String remoteAddress = pipelineDocFieldTypeRemoteParamDO.getRemoteAddress();
                        var params = JsonUtils.fromJsonString(fixedParams, new TypeReference<Map<String, Object>>() {
                        });
                        params.put(pipelineDocFieldTypeRemoteParamDO.getField(), value);
                        var result = SingletonHttpClient.instance().postBody(remoteAddress, params);
                        String remoteValue = JsonPathUtils.parseString(result, pipelineDocFieldTypeRemoteParamDO.getDataPath());
                        field.set(object, remoteValue);
                    }
                }
            } catch (IllegalAccessException e) {
                throw new TaxAgentServiceException(TaxSystemType.BUSINESS_MATCHES_ARE_INCORRECT, e.getMessage());
            }
        }
    }


}