InterceptorService.java

/*****************************************************************************
 * Copyright 2012 Zdenko Vrabel
 *
 * 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.zdevra.guice.mvc;

import java.util.Collection;
import java.util.Collections;
import java.util.Set;

import com.google.inject.Inject;

/**
 * The service exists as a singleton instance inside Guice. The interceptor
 * service gets the chain of the interceptor handlers for concrete method
 * invoker. Also this service carries all global interceptors. 
 */
public class InterceptorService {

    private Collection<InterceptorHandler> globalHandlers;


    /**
     * Constructor
     * @param scanners
     */
    @Inject
    public InterceptorService(Set<InterceptorHandler> globalHandlers) {
        this.globalHandlers = Collections.unmodifiableCollection(globalHandlers);
    }


    public InterceptorChain getGlobalInterceptorChain() {
        return new InterceptorChain(globalHandlers);
    }

}