org.joe_e.reflect
Class Proxies

java.lang.Object
  org.joe_e.reflect.Proxies

public final class Proxies
extends Object

The dynamic proxy interface. This is a wrapper around Java's dynamic proxy features provided by java.lang.reflect.Proxy.

Method Summary

static InvocationHandler	getHandler(Proxy proxy) Extract the InvocationHandler from a Proxy
static boolean	isImplementable(Class<?> type) Returns true if the argument is an interface that can be implemented by a Proxy using proxy().
static Object	proxy(InvocationHandler handler, Class<?>... interfaces) Constructs a dynamic proxy.

Methods inherited from class java.lang.Object

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

Method Detail

getHandler

public static InvocationHandler getHandler(Proxy proxy)

Extract the InvocationHandler from a Proxy

Parameters:

proxy - proxy instance

Returns:

the invocation handler for the proxy

proxy

public static Object proxy(InvocationHandler handler,
                           Class<?>... interfaces)
                    throws ClassCastException

Constructs a dynamic proxy.

Parameters:

handler - invocation handler

interfaces - each implemented interface

Returns:

dynamic proxy

Throws:

ClassCastException - a restriction on the types is violated

NullPointerException - an argument is null

isImplementable

public static boolean isImplementable(Class<?> type)

Returns true if the argument is an interface that can be implemented by a Proxy using proxy().

Parameters:

type - candidate interface

Returns:

true if a Joe-E type, else false