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• saturn-console-api
• 3.5.1
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• SaturnBeanUtils.java

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com.vip.saturn.job.console.utils.SaturnBeanUtils Maven / Gradle / Ivy

/**
 * Copyright 2016 vip.com.
 * 

 * Licensed 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.vip.saturn.job.console.utils;

import org.springframework.beans.BeanUtils;
import org.springframework.beans.BeanWrapper;
import org.springframework.beans.BeanWrapperImpl;

import java.beans.PropertyDescriptor;
import java.util.HashSet;
import java.util.Set;

/**
 * @author hebelala
 */
public class SaturnBeanUtils {

	public static void copyProperties(Object source, Object target) {
		BeanUtils.copyProperties(source, target);
	}

	public static void copyPropertiesIgnoreNull(Object source, Object target) {
		final BeanWrapper beanWrapper = new BeanWrapperImpl(source);
		PropertyDescriptor[] pds = beanWrapper.getPropertyDescriptors();
		Set names = new HashSet<>();
		for (PropertyDescriptor pd : pds) {
			Object value = beanWrapper.getPropertyValue(pd.getName());
			if (value == null) {
				names.add(pd.getName());
			}
		}
		BeanUtils.copyProperties(source, target, names.toArray(new String[names.size()]));
	}

}