javassist.util.proxy
Interface MethodHandler


public interface MethodHandler

The interface implemented by the invocation handler of a proxy instance.

See Also:
ProxyFactory.setHandler(MethodHandler)

Method Summary
 java.lang.Object invoke(java.lang.Object self, java.lang.reflect.Method thisMethod, java.lang.reflect.Method proceed, java.lang.Object[] args)
          Is called when a method is invoked on a proxy instance associated with this handler.
 

Method Detail

invoke

java.lang.Object invoke(java.lang.Object self,
                        java.lang.reflect.Method thisMethod,
                        java.lang.reflect.Method proceed,
                        java.lang.Object[] args)
                        throws java.lang.Throwable
Is called when a method is invoked on a proxy instance associated with this handler. This method must process that method invocation.

Parameters:
self - the proxy instance.
thisMethod - the overridden method declared in the super class or interface.
proceed - the forwarder method for invoking the overridden method. It is null if the overridden mehtod is abstract or declared in the interface.
args - an array of objects containing the values of the arguments passed in the method invocation on the proxy instance. If a parameter type is a primitive type, the type of the array element is a wrapper class.
Returns:
the resulting value of the method invocation.
Throws:
java.lang.Throwable - if the method invocation fails.


Javassist, a Java-bytecode translator toolkit.
Copyright (C) 1999-2006 Shigeru Chiba. All Rights Reserved.