aopfactory.java

动态代理的代码例子

public class AOPFactory {
	 

	/**
	 * 根据类名创建类实例
	 * 
	 * @param clzName
	 * @return
	 * @throws ClassNotFoundException
	 */
	public static Object getClassInstance(String clzName) {
		Class cls;
		try {
			cls = Class.forName(clzName);
			return (Object) cls.newInstance();
		} catch (ClassNotFoundException e) {
			System.out.println(e);
			throw new AOPRuntimeException(e);
		} catch (InstantiationException e) {
			System.out.println(e);
			throw new AOPRuntimeException(e);
		} catch (IllegalAccessException e) {
			System.out.println(e);
			throw new AOPRuntimeException(e);
		}
	}

	/**
	 * 根据传入的类名，返回AOP代理对象
	 * 
	 * @param clzName
	 * @return
	 */
	public static Object getAOPProxyedObject(String clzName) {
		AOPHandler txHandler = new AOPHandler();
		Object obj = getClassInstance(clzName);
		return txHandler.bind(obj);
	}
}