javassist.util.proxy

Interface MethodHandler

public interface MethodHandler

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

See Also:

Proxy.setHandler(MethodHandler)

Method Summary

Modifier and Type	Method and Description
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 method 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.