org.apache.commons.proxy.factory.util

Class AbstractSubclassingProxyFactory

java.lang.Object

org.apache.commons.proxy.ProxyFactory

org.apache.commons.proxy.factory.util.AbstractSubclassingProxyFactory

Direct Known Subclasses:

CglibProxyFactory, JavassistProxyFactory

public abstract class AbstractSubclassingProxyFactory
extends ProxyFactory

A useful superclass for a ProxyFactory which supports subclassing rather than merely implementing interfaces.

Since:

1.0

Author:

James Carman

Constructor Summary

Constructors

Constructor and Description
AbstractSubclassingProxyFactory()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	canProxy(Class[] proxyClasses) Returns true if a suitable superclass can be found, given the desired proxyClasses.
static Class	getSuperclass(Class[] proxyClasses) Returns either Object if all of the proxyClasses are interfaces or the single non-interface class from proxyClasses.
protected static Class[]	toInterfaces(Class[] proxyClasses) Returns the proxyClasses transformed into an array of only the interface classes.

Methods inherited from class org.apache.commons.proxy.ProxyFactory

createDelegatorProxy, createDelegatorProxy, createInterceptorProxy, createInterceptorProxy, createInvokerProxy, createInvokerProxy

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractSubclassingProxyFactory

public AbstractSubclassingProxyFactory()

Method Detail

toInterfaces

protected static Class[] toInterfaces(Class[] proxyClasses)

Returns the proxyClasses transformed into an array of only the interface classes.

Parameters:

proxyClasses - the proxy classes

Returns:

the proxyClasses transformed into an array of only the interface classes

canProxy

public boolean canProxy(Class[] proxyClasses)

Returns true if a suitable superclass can be found, given the desired proxyClasses.

Overrides:

canProxy in class ProxyFactory

Parameters:

proxyClasses - the proxy classes

Returns:

true if a suitable superclass can be found, given the desired proxyClasses

getSuperclass

public static Class getSuperclass(Class[] proxyClasses)

Returns either Object if all of the proxyClasses are interfaces or the single non-interface class from proxyClasses.

Parameters:

proxyClasses - the proxy classes

Returns:

either Object if all of the proxyClasses are interfaces or the single non-interface class from proxyClasses

Throws:

ProxyFactoryException - if multiple non-interface classes are contained in proxyClasses or any of the non-interface classes are final