/*
* Copyright (c) 2007, Rickard Öberg. All Rights Reserved.
* Copyright (c) 2007, Niclas Hedhman. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.qi4j.runtime.composite;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.lang.reflect.UndeclaredThrowableException;
import org.qi4j.api.composite.CompositeInvoker;
public final class ProxyReferenceInvocationHandler
implements InvocationHandler, CompositeInvoker
{
private Object proxy;
public Object proxy()
{
return proxy;
}
public void setProxy( Object proxy )
{
this.proxy = proxy;
}
public void clearProxy()
{
proxy = null;
}
@Override
public Object invokeComposite( Method method, Object[] args )
throws Throwable
{
try
{
InvocationHandler invocationHandler = Proxy.getInvocationHandler( this.proxy );
return invocationHandler.invoke( this.proxy, method, args );
}
catch( InvocationTargetException e )
{
throw e.getTargetException();
}
catch( UndeclaredThrowableException e )
{
throw e.getUndeclaredThrowable();
}
}
@Override
public Object invoke( Object proxy, Method method, Object[] args )
throws Throwable
{
try
{
InvocationHandler invocationHandler = Proxy.getInvocationHandler( this.proxy );
return invocationHandler.invoke( this.proxy, method, args );
}
catch( InvocationTargetException e )
{
throw e.getTargetException();
}
catch( UndeclaredThrowableException e )
{
throw e.getUndeclaredThrowable();
}
}
}