Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.tansun.rocketmq.connect.tools; import com.google.common.base.Preconditions; import net.sf.cglib.beans.BeanCopier; import net.sf.cglib.core.Converter; import net.sf.cglib.core.ReflectUtils; /** * High performance JavaBean attribute copy tool * * @author von gosling 2011-12-24 3:58:02 */ public abstract class FastBeanUtils { public static Object copyProperties(Object source, Class<?> target) { Preconditions.checkNotNull(source, "Source must not be null!"); Preconditions.checkNotNull(target, "Target must not be null!"); Object targetObject = ReflectUtils.newInstance(target); BeanCopier beanCopier = BeanCopier.create(source.getClass(), target, false); beanCopier.copy(source, targetObject, null); return targetObject; } public static Object copyProperties(Object source, Class<?> target, Converter converter) { Preconditions.checkNotNull(source, "Source must not be null"); Preconditions.checkNotNull(target, "Target must not be null"); Object targetObject = ReflectUtils.newInstance(target); BeanCopier beanCopier = BeanCopier.create(source.getClass(), target, true); beanCopier.copy(source, targetObject, converter); return targetObject; } private FastBeanUtils() { } }