MappingUtils.java
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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.RemoteParam;
import com.diligrp.tax.central.model.TenantPipelineConfig;
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;
import java.util.stream.Stream;
/**
* @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 void reflectField(Object object, Field field, Map<String, TenantPipelineConfig> kvMap) {
if (kvMap.containsKey(field.getName())) {
field.setAccessible(true);
try {
TenantPipelineConfig 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 -> {
RemoteParam remoteParam = cfg.getRemoteParam();
String value = (String) field.get(object);
String fixedParams = remoteParam.getFixedParams();
String remoteAddress = remoteParam.getRemoteAddress();
var params = JsonUtils.fromJsonString(fixedParams, new TypeReference<Map<String, Object>>() {
});
params.put(remoteParam.getField(), value);
var result = SingletonHttpClient.instance().postBody(remoteAddress, params);
String remoteValue = JsonPathUtils.parseString(result, remoteParam.getDataPath());
field.set(object, remoteValue);
}
}
} catch (IllegalAccessException e) {
throw new TaxAgentServiceException(TaxSystemType.BUSINESS_MATCHES_ARE_INCORRECT, e.getMessage());
}
}
}
}