2 changed files with 2 additions and 67 deletions
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+0 -66demo-athenaopt_backend/develop/src/main/java/com/digiwin/athena/app/infra/common/utils/BeanCopyUtil.java
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+2 -1demo-athenaopt_backend/pom.xml
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- 66
demo-athenaopt_backend/develop/src/main/java/com/digiwin/athena/app/infra/common/utils/BeanCopyUtil.java
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| @ -1,66 +0,0 @@ | |||
| package com.digiwin.athena.app.infra.common.utils; | |||
| import com.digiwin.app.container.exceptions.DWRuntimeException; | |||
| import net.sf.cglib.beans.BeanCopier; | |||
| import net.sf.cglib.beans.BeanMap; | |||
| import org.springframework.objenesis.ObjenesisStd; | |||
| import java.util.ArrayList; | |||
| import java.util.Collections; | |||
| import java.util.List; | |||
| import java.util.Map; | |||
| import java.util.concurrent.ConcurrentHashMap; | |||
| public final class BeanCopyUtil { | |||
| private BeanCopyUtil() { | |||
| } | |||
| private static ThreadLocal<ObjenesisStd> objenesisStdThreadLocal = ThreadLocal.withInitial(ObjenesisStd::new); | |||
| private static ConcurrentHashMap<Class<?>, ConcurrentHashMap<Class<?>, BeanCopier>> cache = new ConcurrentHashMap<>(); | |||
| public static <T> T copy(Object source, Class<T> target) { | |||
| return copy(source, objenesisStdThreadLocal.get().newInstance(target)); | |||
| } | |||
| public static <T> T copy(Object source, T target) { | |||
| BeanCopier beanCopier = getCacheBeanCopier(source.getClass(), target.getClass()); | |||
| beanCopier.copy(source, target, null); | |||
| return target; | |||
| } | |||
| public static <T> List<T> copyList(List<?> sources, Class<T> target) { | |||
| if (sources.isEmpty()) { | |||
| return Collections.emptyList(); | |||
| } | |||
| ArrayList<T> list = new ArrayList<>(sources.size()); | |||
| ObjenesisStd objenesisStd = objenesisStdThreadLocal.get(); | |||
| for (Object source : sources) { | |||
| if (source == null) { | |||
| throw new DWRuntimeException("转换异常"); | |||
| } | |||
| T newInstance = objenesisStd.newInstance(target); | |||
| BeanCopier beanCopier = getCacheBeanCopier(source.getClass(), target); | |||
| beanCopier.copy(source, newInstance, null); | |||
| list.add(newInstance); | |||
| } | |||
| return list; | |||
| } | |||
| public static <T> T mapToBean(Map<?, ?> source, Class<T> target) { | |||
| T bean = objenesisStdThreadLocal.get().newInstance(target); | |||
| BeanMap beanMap = BeanMap.create(bean); | |||
| beanMap.putAll(source); | |||
| return bean; | |||
| } | |||
| public static <T> Map<?, ?> beanToMap(T source) { | |||
| return BeanMap.create(source); | |||
| } | |||
| private static <S, T> BeanCopier getCacheBeanCopier(Class<S> source, Class<T> target) { | |||
| ConcurrentHashMap<Class<?>, BeanCopier> copierConcurrentHashMap = cache.computeIfAbsent(source, aClass -> new ConcurrentHashMap<>(16)); | |||
| return copierConcurrentHashMap.computeIfAbsent(target, aClass -> BeanCopier.create(source, target, false)); | |||
| } | |||
| } | |||