You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
udi-wms-java/src/main/java/com/glxp/api/util/BeanCopyUtils.java

185 lines
5.2 KiB
Java

package com.glxp.api.util;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.SimpleCache;
import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.ReflectUtil;
import cn.hutool.core.util.StrUtil;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import org.springframework.cglib.beans.BeanCopier;
import org.springframework.cglib.beans.BeanMap;
import org.springframework.cglib.core.Converter;
import java.util.List;
import java.util.Map;
/**
* bean( cglib )
* <p>
* cglib
* : ()
* ````使
*
* @author Lion Li
*/
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class BeanCopyUtils {
/**
* class
*
* @param source
* @param desc
* @return desc
*/
public static <T, V> V copy(T source, Class<V> desc) {
if (ObjectUtil.isNull(source)) {
return null;
}
if (ObjectUtil.isNull(desc)) {
return null;
}
final V target = ReflectUtil.newInstanceIfPossible(desc);
return copy(source, target);
}
/**
*
*
* @param source
* @param desc
* @return desc
*/
public static <T, V> V copy(T source, V desc) {
if (ObjectUtil.isNull(source)) {
return null;
}
if (ObjectUtil.isNull(desc)) {
return null;
}
BeanCopier beanCopier = BeanCopierCache.INSTANCE.get(source.getClass(), desc.getClass(), null);
beanCopier.copy(source, desc, null);
return desc;
}
/**
* class
*
* @param sourceList
* @param desc
* @return 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 StreamUtils.toList(sourceList, source -> {
V target = ReflectUtil.newInstanceIfPossible(desc);
copy(source, target);
return target;
});
}
/**
* beanmap
*
* @param bean
* @return map
*/
@SuppressWarnings("unchecked")
public static <T> Map<String, Object> copyToMap(T bean) {
if (ObjectUtil.isNull(bean)) {
return null;
}
return BeanMap.create(bean);
}
/**
* mapbean
*
* @param map
* @param beanClass bean
* @return bean
*/
public static <T> T mapToBean(Map<String, Object> map, Class<T> beanClass) {
if (MapUtil.isEmpty(map)) {
return null;
}
if (ObjectUtil.isNull(beanClass)) {
return null;
}
T bean = ReflectUtil.newInstanceIfPossible(beanClass);
return mapToBean(map, bean);
}
/**
* mapbean
*
* @param map
* @param bean bean
* @return bean
*/
public static <T> T mapToBean(Map<String, Object> map, T bean) {
if (MapUtil.isEmpty(map)) {
return null;
}
if (ObjectUtil.isNull(bean)) {
return null;
}
BeanMap.create(bean).putAll(map);
return bean;
}
/**
* BeanCopier<br>
*
*
* @author Looly
* @since 5.4.1
*/
public enum BeanCopierCache {
/**
* BeanCopier
*/
INSTANCE;
private final SimpleCache<String, BeanCopier> cache = new SimpleCache<>();
/**
* key{@link BeanCopier}Map
*
* @param srcClass Bean
* @param targetClass Bean
* @param converter
* @return MapBeanCopier
*/
public BeanCopier get(Class<?> srcClass, Class<?> targetClass, Converter converter) {
final String key = genKey(srcClass, targetClass, converter);
return cache.get(key, () -> BeanCopier.create(srcClass, targetClass, converter != null));
}
/**
* key
*
* @param srcClass Bean
* @param targetClass Bean
* @param converter
* @return Mapkey
*/
private String genKey(Class<?> srcClass, Class<?> targetClass, Converter converter) {
final StringBuilder key = StrUtil.builder()
.append(srcClass.getName()).append('#').append(targetClass.getName());
if(null != converter){
key.append('#').append(converter.getClass().getName());
}
return key.toString();
}
}
}