dangsn
2024-06-06 33321f5486fd586fda6fd3f46b7e71754fede28b
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package com.vci.starter.web.util;
 
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.CollectionUtils;
 
import java.lang.reflect.Field;
import java.util.*;
 
/**
 * 业务类型专用的拷贝工具,这个是浅拷贝,
 * @author weidy
 * @date 2022-1-18
 */
public class BeanUtilForVCI {
 
    /**
     * 日志
     */
    private static Logger logger = LoggerFactory.getLogger(BeanUtilForVCI.class);
 
    /**
     * 拷贝数据
     * 大小写可以忽略
     * 下划线 _ 被忽略
     * null和空字符串的也会被覆盖
     * @param source 来源属性
     * @param target 目标属性
     */
    public static void copyPropertiesIgnoreCase(Object source, Object target) {
        copyPropertiesIgnoreCase(source,target,false);
    }
 
    /**
     * 拷贝属性
     * @param source 源对象
     * @param target 目标对象
     * @param fieldMap 属性的映射
     */
    public static void copyPropertiesIgnoreCase(Object source,Object target,Map<String/**原对象的属性名字**/,String/**目标对象的属性名称**/> fieldMap){
        copyPropertiesIgnoreCase(source,target,false,fieldMap);
    }
 
    /**
     * 拷贝数据
     * 大小写可以忽略
     * 下划线 _ 被忽略
     * @param source 来源属性
     * @param target 目标属性
     * @param ignoreNull 是否忽略控制
     */
    public static void copyPropertiesIgnoreCase(Object source,Object target,boolean ignoreNull){
        copyPropertiesIgnoreCase(source, target, ignoreNull,null);
    }
 
    /**
     * 拷贝本体的属性内容
     * @param source 来源对象
     * @param target 目标对象
     */
    public static void copyDeclaredIgnoreCase(Object source,Object target){
        copyDeclaredIgnoreCase(source,target,false);
    }
 
    /**
     * 拷贝本体的属性内容
     * @param source 来源对象
     * @param target 目标对象
     * @param ignoreNull  忽略空值的属性
     */
    public static void copyDeclaredIgnoreCase(Object source,Object target,boolean ignoreNull){
        copyDeclaredIgnoreCase(source,target,ignoreNull,null);
    }
 
    /**
     * 拷贝本体的属性内容
     * @param source 来源对象
     * @param target 目标对象
     * @param ignoreNull 忽略空值的属性
     * @param fieldMap 字段的映射
     */
    public static void copyDeclaredIgnoreCase(Object source,Object target,boolean ignoreNull,Map<String/**原对象的属性名字**/,String/**目标对象的属性名称**/> fieldMap){
        copyDeclaredIgnoreCase(source,target,ignoreNull,fieldMap,null);
    }
 
    /**
     * 拷贝本体的属性内容
     * @param source 来源对象
     * @param target 目标对象
     * @param ignoreNull 忽略空值的属性
     * @param fieldMap 字段的映射
     * @param ignoreField 忽略字段
     */
    public static void copyDeclaredIgnoreCase(Object source,Object target,boolean ignoreNull,Map<String/**原对象的属性名字**/,String/**目标对象的属性名称**/> fieldMap,Collection<String> ignoreField){
        Map<String, Field> sourceMap = CacheFieldMap.getDeclaredFieldMap(source.getClass());
        Map<String, Field> targetMap = CacheFieldMap.getDeclaredFieldMap(target.getClass());
        copyPropertiesIgnoreCase(source,target,ignoreNull,fieldMap,ignoreField,sourceMap,targetMap);
    }
    /**
     * 拷贝数据
     * 大小写可以忽略
     * 下划线 _ 被忽略
     * @param source 来源属性
     * @param target 目标属性
     * @param ignoreNull 是否忽略控制
     */
    public static void copyPropertiesIgnoreCase(Object source, Object target, boolean ignoreNull, Map<String/**原对象的属性名字**/,String/**目标对象的属性名称**/> fieldMap, Collection<String> ignoreField) {
        Map<String, Field> sourceMap = CacheFieldMap.getFieldMap(source.getClass());
        Map<String, Field> targetMap = CacheFieldMap.getFieldMap(target.getClass());
        copyPropertiesIgnoreCase(source,target,ignoreNull,fieldMap,ignoreField,sourceMap,targetMap);
    }
 
    /**
     * 拷贝数据
     * 大小写可以忽略
     * 下划线 _ 被忽略
     * @param source 来源属性
     * @param target 目标属性
     * @param ignoreNull 是否忽略控制
     */
    public static void copyPropertiesIgnoreCase(Object source, Object target, boolean ignoreNull,
                                                Map<String/**原对象的属性名字**/,String/**目标对象的属性名称**/> fieldMap, Collection<String> ignoreField,
                                                Map<String, Field> sourceMap,Map<String, Field> targetMap ) {
        if(fieldMap == null){
            fieldMap = new HashMap<>();
        }
        Map<String, String> finalFieldMap = fieldMap;
        targetMap.values().forEach((it) -> {
            boolean not = false;
            if(ignoreField!=null &&  ignoreField.contains(it.getName())){
                not = true;
            }
            if(!not) {
                String itFieldName = it.getName().toLowerCase().replace("_", "");
                itFieldName = finalFieldMap.getOrDefault(itFieldName, itFieldName);
                Field field = sourceMap.getOrDefault(itFieldName, null);
                if (field != null) {
                    it.setAccessible(true);
                    field.setAccessible(true);
                    try {
                        //忽略null和空字符串
                        //处理boolean和String
                        String sourceClassName = field.getClass().getName();
                        String targetClassName = it.getClass().getName();
                        if (((sourceClassName.equalsIgnoreCase(Boolean.class.getName())
                                || sourceClassName.equalsIgnoreCase(boolean.class.getName())
                        ) && targetClassName.equalsIgnoreCase(String.class.getName()))
                                || ((targetClassName.equalsIgnoreCase(Boolean.class.getName())
                                || targetClassName.equalsIgnoreCase(boolean.class.getName()))
                                && sourceClassName.equalsIgnoreCase(String.class.getName()))) {
                            if (targetClassName.equalsIgnoreCase(String.class.getName())) {
                                it.set(target, String.valueOf((Boolean) field.get(source)));
                            } else {
                                it.set(target, Boolean.valueOf((String) field.get(source)));
                            }
                        } else {
                            if (!ignoreNull) {
                                it.set(target, field.get(source));
                            } else {
                                //需要判断是否为空
                                Object sourceValue = field.get(source);
                                if (sourceValue != null && StringUtils.isNotBlank(sourceValue.toString())) {
                                    it.set(target, sourceValue);
                                }
                            }
                        }
                    } catch (IllegalAccessException e) {
                        if (logger.isErrorEnabled()) {
                            logger.error("拷贝属性出错" + e);
                        }
                    }
                }
            }
        });
    }
 
 
 
 
        /**
         * 拷贝数据
         * 大小写可以忽略
         * 下划线 _ 被忽略
         * @param source 来源属性
         * @param target 目标属性
         * @param ignoreNull 是否忽略控制
         */
    public static void copyPropertiesIgnoreCase(Object source,Object target,boolean ignoreNull,Map<String/**原对象的属性名字**/,String/**目标对象的属性名称**/> fieldMap){
        copyPropertiesIgnoreCase(source,target,ignoreNull,fieldMap,null);
    }
 
    /**
     * 缓存对象的属性
     */
    private static class CacheFieldMap {
        /**
         * 对象属性的缓存
         */
        private static Map<String/**类的名字**/, Map<String/**属性的名称小写**/, Field/**属性的对象**/>> cacheMap = new HashMap<>();
 
        /**
         * 对象的自己类的环境,不包括父类
         */
        private static Map<String/**类的名称**/,Map<String/**属性的名称小写**/,Field/**属性的对象**/>> declaredCacheMap = new HashMap<>();
 
        /**
         * 获取属性的映射
         * @param clazz 类
         * @return 属性名称小写和属性的映射
         */
        private static Map<String/**属性名称**/, Field> getFieldMap(Class clazz) {
            Map<String, Field> result = cacheMap.get(clazz.getName());
            if (result == null) {
                synchronized (CacheFieldMap.class) {
                    if (result == null) {
                        Map<String, Field> fieldMap = new HashMap<>();
                        List<Field> allFields = VciBaseUtil.getAllFieldForObj(clazz);
                        if(!CollectionUtils.isEmpty(allFields)){
                            allFields.stream().forEach(field -> {
                                fieldMap.put(field.getName().toLowerCase().replace("_", ""), field);
                            });
                        }
                        cacheMap.put(clazz.getName(), fieldMap);
                        result = cacheMap.get(clazz.getName());
                    }
                }
            }
            return result;
        }
 
        /**
         * 获取属性的映射(不包含父类)
         * @param clazz 类
         * @return 属性名称小写和属性的映射
         */
        private static Map<String/**属性名称**/,Field> getDeclaredFieldMap(Class clazz){
            Map<String, Field> result = declaredCacheMap.get(clazz.getName());
            if(result == null){
                synchronized(CacheFieldMap.class){
                    if (result == null) {
                        Map<String, Field> fieldMap = new HashMap<>();
                        Field[] allFields = clazz.getDeclaredFields();
                        if(allFields!=null && allFields.length>0){
                            Arrays.stream(allFields).forEach(field -> {
                                fieldMap.put(field.getName().toLowerCase().replace("_", ""), field);
                            });
                        }
                        declaredCacheMap.put(clazz.getName(), fieldMap);
                        result = declaredCacheMap.get(clazz.getName());
                    }
                }
            }
            return result;
        }
    }
 
}