001 /**
002 * GRANITE DATA SERVICES
003 * Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 * This file is part of the Granite Data Services Platform.
006 *
007 * Granite Data Services is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * Granite Data Services is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 * General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this library; if not, write to the Free Software
019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 * USA, or see <http://www.gnu.org/licenses/>.
021 */
022 package org.granite.cdi;
023
024 import javax.enterprise.inject.spi.BeanManager;
025 import javax.naming.InitialContext;
026 import javax.naming.NameNotFoundException;
027 import javax.servlet.ServletContext;
028
029
030 public class CDIUtils {
031
032 public static BeanManager lookupBeanManager(ServletContext servletContext) {
033 BeanManager manager = (BeanManager)servletContext.getAttribute(BeanManager.class.getName());
034 if (manager != null)
035 return manager;
036 manager = (BeanManager)servletContext.getAttribute("org.jboss.weld.environment.servlet.javax.enterprise.inject.spi.BeanManager");
037 if (manager != null)
038 return manager;
039
040 InitialContext ic = null;
041 try {
042 ic = new InitialContext();
043 // Standard JNDI binding
044 return (BeanManager)ic.lookup("java:comp/BeanManager");
045 }
046 catch (NameNotFoundException e) {
047 if (ic == null)
048 throw new RuntimeException("No InitialContext");
049
050 // Weld/Tomcat
051 try {
052 return (BeanManager)ic.lookup("java:comp/env/BeanManager");
053 }
054 catch (Exception e1) {
055 // JBoss 5/6 (maybe obsolete in Weld 1.0+)
056 try {
057 return (BeanManager)ic.lookup("java:app/BeanManager");
058 }
059 catch (Exception e2) {
060 throw new RuntimeException("Could not find Bean Manager", e2);
061 }
062 }
063 }
064 catch (Exception e) {
065 throw new RuntimeException("Could not find Bean Manager", e);
066 }
067 }
068 }