Bean2MapAndMap2Bean.java

package com.hqyg.disjob.common.util;

import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

/**
 * 将JavaBean对象转换为Map结构和将Map结构转换为JavaBean对象
 * 
 * @author Disjob
 * @data 2016-05-23
 */
public class Bean2MapAndMap2Bean {

	public static Map<String, Object> transBean2Map(Object obj) {
		if (obj == null) {
			return null;
		}

		Map<String, Object> map = new HashMap<String, Object>();
		try {
			BeanInfo beanInfo = Introspector.getBeanInfo(obj.getClass());
			PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
			for (PropertyDescriptor property : propertyDescriptors) {
				String key = property.getName();
				if (!key.equals("class")) {
					Method getter = property.getReadMethod();
					Object value = getter.invoke(obj);
					map.put(key, value);
				}
			}
		} catch (Exception e) {
			LoggerUtil.debug("transBean2Map Error ", e);
		}

		return map;
	}

	public static void transMap2Bean(Map<String, Object> map, Object obj) {
		try {
			BeanInfo beanInfo = Introspector.getBeanInfo(obj.getClass());
			PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();

			for (PropertyDescriptor property : propertyDescriptors) {
				String key = property.getName();

				if (map.containsKey(key)) {
					Object value = map.get(key);
					Method setter = property.getWriteMethod();
					setter.invoke(obj, value);
				}
			}
		} catch (Exception e) {
			LoggerUtil.debug("transMap2Bean Error ", e);
		}
	}
}