1 /* 2 * JBoss, Home of Professional Open Source 3 * Copyright 2014, Red Hat, Inc. and/or its affiliates, and individual 4 * contributors by the @authors tag. See the copyright.txt in the 5 * distribution for a full listing of individual contributors. 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.jboss.as.quickstarts.tasksJsf; 18 19 import java.util.logging.Logger; 20 21 import javax.ejb.Stateful; 22 import javax.enterprise.context.RequestScoped; 23 import javax.enterprise.inject.Produces; 24 import javax.enterprise.inject.spi.InjectionPoint; 25 import javax.faces.context.FacesContext; 26 import javax.persistence.EntityManager; 27 import javax.persistence.PersistenceContext; 28 import javax.persistence.PersistenceContextType; 29 30 /** 31 * This class uses CDI to alias Java EE resources, such as the persistence context, to CDI beans. As it is a stateful bean, it 32 * can produce extended persistence contexts. 33 * 34 * Example injection on a managed bean field: 35 * 36 * @Inject private EntityManager em; 37 * 38 * @author Pete Muir 39 * @author Lukas Fryc 40 * 41 */ 42 @Stateful 43 @RequestScoped 44 public class Resources { 45 46 @PersistenceContext(type = PersistenceContextType.EXTENDED) 47 private EntityManager em; 48 49 @Produces 50 public EntityManager getEm() { 51 return em; 52 } 53 54 @Produces 55 public Logger getLogger(InjectionPoint ip) { 56 String category = ip.getMember().getDeclaringClass().getName(); 57 return Logger.getLogger(category); 58 } 59 60 @Produces 61 public FacesContext getFacesContext() { 62 return FacesContext.getCurrentInstance(); 63 } 64 }