// Copyright 2008, 2009, 2010, 2011 The Apache Software Foundation
//
// 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.apache.tapestry5.ioc.internal.services;
import org.apache.tapestry5.ioc.AnnotationAccess;
import org.apache.tapestry5.ioc.internal.util.CollectionFactory;
import org.apache.tapestry5.ioc.services.PlasticProxyFactory;
import org.apache.tapestry5.plastic.PlasticClass;
import org.apache.tapestry5.plastic.PlasticClassTransformation;
import org.apache.tapestry5.plastic.PlasticField;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Set;
@SuppressWarnings("all")
public class AspectInterceptorBuilderImpl<T> extends AbtractAspectInterceptorBuilder<T>
{
private final Class<T> serviceInterface;
private final Set<Method> allMethods = CollectionFactory.newSet();
private final PlasticClassTransformation transformation;
private final PlasticClass plasticClass;
public AspectInterceptorBuilderImpl(AnnotationAccess annotationAccess, PlasticProxyFactory plasticProxyFactory,
Class<T> serviceInterface, T delegate, String description)
{
super(annotationAccess);
this.serviceInterface = serviceInterface;
transformation = plasticProxyFactory.createProxyTransformation(serviceInterface);
plasticClass = transformation.getPlasticClass();
plasticClass.addToString(description);
allMethods.addAll(Arrays.asList(serviceInterface.getMethods()));
PlasticField delegateField = plasticClass.introduceField(serviceInterface, "delegate").inject(delegate);
for (Method method : allMethods)
{
plasticClass.introduceMethod(method).delegateTo(delegateField);
}
}
public void adviseMethod(Method method, org.apache.tapestry5.plastic.MethodAdvice advice)
{
assert method != null;
assert advice != null;
if (!allMethods.contains(method))
throw new IllegalArgumentException(String.format("Method %s is not defined for interface %s.", method,
serviceInterface));
plasticClass.introduceMethod(method).addAdvice(advice);
}
public void adviseAllMethods(org.apache.tapestry5.plastic.MethodAdvice advice)
{
for (Method m : serviceInterface.getMethods())
{
adviseMethod(m, advice);
}
}
public Class getInterface()
{
return serviceInterface;
}
public T build()
{
return (T) transformation.createInstantiator().newInstance();
}
}