| | |
| | | package com.ruoyi.common.utils; |
| | | |
| | | import cn.hutool.core.bean.copier.BeanCopier; |
| | | import cn.hutool.core.bean.copier.CopyOptions; |
| | | import cn.hutool.core.collection.CollUtil; |
| | | import cn.hutool.core.map.MapUtil; |
| | | import cn.hutool.core.util.ObjectUtil; |
| | | import cn.hutool.core.util.ReflectUtil; |
| | | import cn.hutool.extra.cglib.CglibUtil; |
| | | import lombok.AccessLevel; |
| | | import lombok.NoArgsConstructor; |
| | | |
| | | import java.util.List; |
| | | import java.util.stream.Collectors; |
| | | import java.util.Map; |
| | | |
| | | /** |
| | | * bean深拷贝工具 |
| | | * bean深拷贝工具(基于 cglib 性能优异) |
| | | * |
| | | * @author Lion Li |
| | | */ |
| | | @NoArgsConstructor(access = AccessLevel.PRIVATE) |
| | | public class BeanCopyUtils { |
| | | |
| | | /** |
| | | * 单对象基于class创建拷贝 |
| | | * |
| | | * @param source 数据来源实体 |
| | | * @param copyOptions copy条件 |
| | | * @param desc 描述对象 转换后的对象 |
| | | * @return desc |
| | | */ |
| | | public static <T, V> V oneCopy(T source, CopyOptions copyOptions, Class<V> desc) { |
| | | V v = ReflectUtil.newInstanceIfPossible(desc); |
| | | return oneCopy(source, copyOptions, v); |
| | | public static <T, V> V copy(T source, Class<V> desc) { |
| | | if (ObjectUtil.isNull(source)) { |
| | | return null; |
| | | } |
| | | if (ObjectUtil.isNull(desc)) { |
| | | return null; |
| | | } |
| | | return CglibUtil.copy(source, desc); |
| | | } |
| | | |
| | | /** |
| | | * 单对象基于对象创建拷贝 |
| | | * |
| | | * @param source 数据来源实体 |
| | | * @param copyOptions copy条件 |
| | | * @param desc 转换后的对象 |
| | | * @return desc |
| | | */ |
| | | public static <T, V> V oneCopy(T source, CopyOptions copyOptions, V desc) { |
| | | public static <T, V> V copy(T source, V desc) { |
| | | if (ObjectUtil.isNull(source)) { |
| | | return null; |
| | | } |
| | | return BeanCopier.create(source, desc, copyOptions).copy(); |
| | | if (ObjectUtil.isNull(desc)) { |
| | | return null; |
| | | } |
| | | CglibUtil.copy(source, desc); |
| | | return desc; |
| | | } |
| | | |
| | | /** |
| | | * 列表对象基于class创建拷贝 |
| | | * |
| | | * @param sourceList 数据来源实体列表 |
| | | * @param copyOptions copy条件 |
| | | * @param desc 描述对象 转换后的对象 |
| | | * @return desc |
| | | */ |
| | | public static <T, V> List<V> listCopy(List<T> sourceList, CopyOptions copyOptions, Class<V> desc) { |
| | | public static <T, V> List<V> copyList(List<T> sourceList, Class<V> desc) { |
| | | if (ObjectUtil.isNull(sourceList)) { |
| | | return null; |
| | | } |
| | | if (CollUtil.isEmpty(sourceList)) { |
| | | return CollUtil.newArrayList(); |
| | | } |
| | | return sourceList.stream() |
| | | .map(source -> oneCopy(source, copyOptions, desc)) |
| | | .collect(Collectors.toList()); |
| | | return CglibUtil.copyList(sourceList, () -> ReflectUtil.newInstanceIfPossible(desc)); |
| | | } |
| | | |
| | | /** |
| | | * bean拷贝到map |
| | | * |
| | | * @param bean 数据来源实体 |
| | | * @return map对象 |
| | | */ |
| | | public static <T> Map<String, Object> copyToMap(T bean) { |
| | | if (ObjectUtil.isNull(bean)) { |
| | | return null; |
| | | } |
| | | return CglibUtil.toMap(bean); |
| | | } |
| | | |
| | | /** |
| | | * map拷贝到bean |
| | | * |
| | | * @param map 数据来源 |
| | | * @param beanClass bean类 |
| | | * @return bean对象 |
| | | */ |
| | | public static <T> T mapToBean(Map<String, Object> map, Class<T> beanClass) { |
| | | if (MapUtil.isEmpty(map)) { |
| | | return null; |
| | | } |
| | | if (ObjectUtil.isNull(beanClass)) { |
| | | return null; |
| | | } |
| | | return CglibUtil.toBean(map, beanClass); |
| | | } |
| | | |
| | | /** |
| | | * map拷贝到bean |
| | | * |
| | | * @param map 数据来源 |
| | | * @param bean bean对象 |
| | | * @return bean对象 |
| | | */ |
| | | public static <T> T mapToBean(Map<String, Object> map, T bean) { |
| | | if (MapUtil.isEmpty(map)) { |
| | | return null; |
| | | } |
| | | if (ObjectUtil.isNull(bean)) { |
| | | return null; |
| | | } |
| | | return CglibUtil.fillBean(map, bean); |
| | | } |
| | | } |