2 * Copyright 2005-2010 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.cdi;
18 import java.util.logging.Logger;
20 import javax.enterprise.inject.spi.BeanManager;
21 import javax.naming.InitialContext;
22 import javax.naming.NamingException;
25 * Class that encapsulates beanmanager lookup in a way so that the lookup can be
26 * explicitly overriden (for instance for unit test).
28 * In case no bean manager is found the beanmanager is set to null and the
31 * This class does caching of the obtained reference to the bean manager.
32 * As a result, it is necessary to call {@link #setBeanManager(BeanManager)}
33 * in the setup phase of unit tests to make sure that the lookup is done again.
35 * @author Erik Brakkee
37 public class BeanManagerLookup {
39 private static final Logger LOGGER = Logger
40 .getLogger(BeanManagerLookup.class.getName());
42 public static final String BEAN_MANAGER_JNDI = "java:comp/BeanManager";
43 private static BeanManager BEAN_MANAGER = null;
46 * Sets the bean manager (mainly for testability).
51 public static void setBeanManager(BeanManager aMgr) {
56 * Looks up the bean manager if not already cached and returns it.
58 * @return Bean manager.
60 public static BeanManager lookup() {
61 if (BEAN_MANAGER == null) {
63 InitialContext ctx = new InitialContext();
64 BEAN_MANAGER = (BeanManager) ctx.lookup(BEAN_MANAGER_JNDI);
65 LOGGER.info("Beanmanager successfully located");
66 } catch (NamingException e) {
67 LOGGER.warning("No beanmanager was found, using null");