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package com.nyvi.support.util;

import com.nyvi.support.exception.SpringJDBCHelperException;

/**
 * 
 * ClassUtils
 * 
 * @author czk
 */
public class ClassUtils {

	/**
	 * 判断是否为代理对象
	 * @param clazz 反射对象
	 * @return 是否为代理对象
	 */
	public static boolean isProxy(Class clazz) {
		if (clazz != null) {
			for (Class cls : clazz.getInterfaces()) {
				String interfaceName = cls.getName();
				if ("net.sf.cglib.proxy.Factory".equals(interfaceName) // cglib
						|| "org.springframework.cglib.proxy.Factory".equals(interfaceName)
						|| "javassist.util.proxy.ProxyObject".equals(interfaceName) // javassist
						|| "org.apache.ibatis.javassist.util.proxy.ProxyObject".equals(interfaceName)) {
					return true;
				}
			}
		}
		return false;
	}

	/**
	 * 获取当前对象的class
	 * @param clazz 反射对象
	 * @return 当前对象的class
	 */
	public static Class getUserClass(Class clazz) {
		return isProxy(clazz) ? clazz.getSuperclass() : clazz;
	}

	/**
	 * 获取当前对象的class
	 * @param object 对象
	 * @return 当前对象的class
	 */
	public static Class getUserClass(Object object) {
		if (object == null) {
			throw new SpringJDBCHelperException("Error: Instance must not be null");
		}
		return getUserClass(object.getClass());
	}
}