torsten@10: /*
torsten@10:  * JBoss, Home of Professional Open Source
torsten@10:  * Copyright 2012, Red Hat, Inc. and/or its affiliates, and individual
torsten@10:  * contributors by the @authors tag. See the copyright.txt in the 
torsten@10:  * distribution for a full listing of individual contributors.
torsten@10:  *
torsten@10:  * Licensed under the Apache License, Version 2.0 (the "License");
torsten@10:  * you may not use this file except in compliance with the License.
torsten@10:  * You may obtain a copy of the License at
torsten@10:  * http://www.apache.org/licenses/LICENSE-2.0
torsten@10:  * Unless required by applicable law or agreed to in writing, software
torsten@10:  * distributed under the License is distributed on an "AS IS" BASIS,  
torsten@10:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
torsten@10:  * See the License for the specific language governing permissions and
torsten@10:  * limitations under the License.
torsten@10:  */
torsten@11: package de.intevation.utils;
torsten@10: 
torsten@10: import java.util.logging.Logger;
torsten@10: 
torsten@10: import javax.enterprise.context.RequestScoped;
torsten@10: import javax.enterprise.inject.Produces;
torsten@10: import javax.enterprise.inject.spi.InjectionPoint;
torsten@10: import javax.faces.context.FacesContext;
torsten@10: import javax.persistence.EntityManager;
torsten@10: import javax.persistence.PersistenceContext;
torsten@10: 
torsten@10: /**
torsten@10:  * This class uses CDI to alias Java EE resources, such as the persistence context, to CDI beans
torsten@10:  * 
torsten@10:  * <p>
torsten@10:  * Example injection on a managed bean field:
torsten@10:  * </p>
torsten@10:  * 
torsten@10:  * <pre>
torsten@10:  * &#064;Inject
torsten@10:  * private EntityManager em;
torsten@10:  * </pre>
torsten@10:  */
torsten@10: public class Resources {
torsten@10:     // use @SuppressWarnings to tell IDE to ignore warnings about field not being referenced directly
torsten@10:     @SuppressWarnings("unused")
torsten@10:     @Produces
torsten@10:     @PersistenceContext
torsten@10:     private EntityManager em;
torsten@10: 
torsten@10:     @Produces
torsten@10:     public Logger produceLog(InjectionPoint injectionPoint) {
torsten@10:         return Logger.getLogger(injectionPoint.getMember().getDeclaringClass().getName());
torsten@10:     }
torsten@10: 
torsten@10:     @Produces
torsten@10:     @RequestScoped
torsten@10:     public FacesContext produceFacesContext() {
torsten@10:         return FacesContext.getCurrentInstance();
torsten@10:     }
torsten@10: 
torsten@10: }