invoke spring proxy bean`s method

��޺� — Thu, 14 Aug 2008 13:54:03 +0800

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import org.springframework.aop.support.AopUtils;
import org.springframework.util.MethodInvoker;

/**
*
* @author wangliang_gz@hotmail.com
* @version 1.1.0
*/
public class MethodUtils {

    static public Object invokeMethod(Object obj, String methodName,
            Object[] args) {

        if (AopUtils.isJdkDynamicProxy(obj)) {
            if (args == null) {
                args = new Object[0];
            }
            int arguments = args.length;
            Class parameterTypes[] = new Class[arguments];
            for (int i = 0; i < arguments; i++) {
                parameterTypes[i] = args[i].getClass();
            }

            Class _targetClass = AopUtils.getTargetClass(obj);

            Class[] _targetInterfaces = _targetClass.getInterfaces();
            Method method = null;
            for (int i = 0; i < _targetInterfaces.length; i++) {
                method = org.apache.commons.beanutils.MethodUtils
                        .getMatchingAccessibleMethod(_targetInterfaces[i], methodName,
                                parameterTypes);
                if (method != null) {
                    break;
                }
            }
            if (method == null) {
                method = org.apache.commons.beanutils.MethodUtils
                        .getMatchingAccessibleMethod(_targetClass, methodName,
                                parameterTypes);
            }
            try {
                // AopUtils.invokeJoinpointUsingReflection(obj, method, args);
                return java.lang.reflect.Proxy.getInvocationHandler(obj)
                        .invoke(obj, method, args);
            } catch (Throwable e) {
                throw new RuntimeException(e);
            }

        } else {
            try {
                MethodInvoker invoker = new MethodInvoker();
                invoker.setTargetObject(obj);
                invoker.setArguments(args);
                invoker.setTargetMethod(methodName);
                invoker.prepare();
                return invoker.invoke();
            } catch (ClassNotFoundException e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            } catch (NoSuchMethodException e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            } catch (InvocationTargetException e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            } catch (IllegalAccessException e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            }
        }
    }

}

java��λ�õ�ǰ��

��޺� — Thu, 14 Aug 2008 13:53:28 +0800

String _methodName =

new Exception().getStackTrace()[1].getMethodName();// ��õ��ߵķ��

String _thisMethodName =

new Exception().getStackTrace()[0].getMethodName();// ��õ�ǰ�ķ��

�����޺�

invoke spring proxy bean`s method

java��λ�õ�ǰ������

��޺�

java��λ�õ�ǰ��