net.dpml.util
Class ContextInvocationHandler

java.lang.Object
  net.dpml.util.ContextInvocationHandler

All Implemented Interfaces:

InvocationHandler

public final class ContextInvocationHandler

extends Object

implements InvocationHandler

Invoication handler utility for a Context inner-class.

Version:

1.0.1

Author:

Digital Product Meta Library

Method Summary

static Object	getProxiedInstance(Class clazz, Map map) Construct a new context instance implementing the supplied class and backed by entries in the supplied map.
Object	invoke(Object proxy, Method method, Object[] args) Invoke the specified method on underlying object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getProxiedInstance

public static Object getProxiedInstance(Class clazz,
                                        Map map)

Construct a new context instance implementing the supplied class and backed by entries in the supplied map.

Parameters:

clazz - the context inner class

map - a map of context entry keys to values

Returns:

the proxied context instance

invoke

public Object invoke(Object proxy,
                     Method method,
                     Object[] args)
              throws Throwable

Invoke the specified method on underlying object. This is called by the proxy object.

Specified by:

invoke in interface InvocationHandler

Parameters:

proxy - the proxy object

method - the method invoked on proxy object

args - the arguments supplied to method

Returns:

the return value of method

Throws:

Throwable - if an error occurs