org.gcube.common.core.utils.proxies

Class GCUBEProxyFactory

java.lang.Object

org.gcube.common.core.utils.proxies.GCUBEProxyFactory

public class GCUBEProxyFactory
extends Object

Factory of proxies associated with GCUBEProxyContexts.

Author:

Fabio Simeoni (University of Strathclyde)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GCUBEProxyFactory.FlexEnhancer

Field Summary

Fields

Modifier and Type	Field and Description
protected static Map<Class<? extends Annotation>,Class<? extends GCUBEProxyContext<?>>>	proxyClasses Registered GCUBEProxyContext classes, indexed by the associated annotation classes.

Constructor Summary

Constructors

Constructor and Description
GCUBEProxyFactory()

Method Summary

Methods

Modifier and Type	Method and Description
protected static <ANNOTATION extends Annotation> GCUBEProxyContext<ANNOTATION>	getProxy(Class<? extends ANNOTATION> annotationClass) Returns an instance of a registered GCUBEProxyContext form the class of its associated annotation.
static <TYPE> TYPE	getProxy(GCUBEProxyContext<?> context, TYPE proxied, Class<?>... optionalInterface) Given an arbitrary object, returns a proxy associated with a given GCUBEProxyContext for that object.
static <TYPE> TYPE	getProxy(TYPE proxied, Class<?>... optionalInterface) Given an arbitrary object, returns a proxy associated with ForwardProxyContext for that object.
static void	registerContexts(Class<? extends GCUBEProxyContext<?>>... contextClasses) Registers one or more GCUBEProxyContext classes.

Methods inherited from class java.lang.Object

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

Field Detail

proxyClasses

protected static Map<Class<? extends Annotation>,Class<? extends GCUBEProxyContext<?>>> proxyClasses

Registered GCUBEProxyContext classes, indexed by the associated annotation classes.

Constructor Detail

GCUBEProxyFactory

public GCUBEProxyFactory()

Method Detail

registerContexts

public static void registerContexts(Class<? extends GCUBEProxyContext<?>>... contextClasses)
                             throws Exception

Registers one or more GCUBEProxyContext classes.

Parameters:

contextClasses - the classes.

Throws:

Exception - if one of the classes could not be registered.

getProxy

protected static <ANNOTATION extends Annotation> GCUBEProxyContext<ANNOTATION> getProxy(Class<? extends ANNOTATION> annotationClass)
                                                                    throws Exception

Returns an instance of a registered GCUBEProxyContext form the class of its associated annotation.

Type Parameters:

ANNOTATION - the type of the annotation.

Parameters:

annotationClass - the annotation class.

Returns:

the context, or null if the context was not previously registered.

Throws:

Exception - if the context was found but could not be instantiated.

getProxy

public static <TYPE> TYPE getProxy(TYPE proxied,
                   Class<?>... optionalInterface)
                     throws Exception

Given an arbitrary object, returns a proxy associated with ForwardProxyContext for that object.

Type Parameters:

TYPE - the object's type.

Parameters:

proxied - the object.

optionalInterface - (optional) an optional interface which the proxy should implement.

Returns:

the proxy.

Throws:

Exception - if the object could not be proxied.

getProxy

public static <TYPE> TYPE getProxy(GCUBEProxyContext<?> context,
                   TYPE proxied,
                   Class<?>... optionalInterface)
                     throws Exception

Given an arbitrary object, returns a proxy associated with a given GCUBEProxyContext for that object.

Type Parameters:

TYPE - the object's type.

Parameters:

context - the context.

proxied - the object.

optionalInterface - (optional) an optional interface which the proxy should implement.

Returns:

the proxy.

Throws:

Exception - if the object could not be proxied.