/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.webbeans.intercept;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Map;
import javax.enterprise.inject.spi.InterceptionType;
import javax.enterprise.inject.spi.Interceptor;
/**
* InvocationContext for business method interceptors
*/
public class InterceptorInvocationContext<T> extends AbstractInvocationContext<T>
{
private InterceptionType type;
private List<Interceptor<?>> interceptors;
private Map<Interceptor<?>, ?> instances;
private int index = 0;
public InterceptorInvocationContext(T target, InterceptionType type, List<Interceptor<?>> interceptors, Map<Interceptor<?>, ?> instances, Method method, Object[] parameters)
{
super(target, method, parameters);
this.type = type;
this.interceptors = interceptors;
this.instances = instances;
}
@Override
public Object proceed() throws Exception
{
if (index < interceptors.size())
{
Interceptor interceptor = interceptors.get(index++);
if (!interceptor.intercepts(type))
{
// continue with next interceptor
// this e.g. happens for lifecycle interceptors
return proceed();
}
return interceptor.intercept(type, instances.get(interceptor), this);
}
else
{
return super.proceed();
}
}
}