/* 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.camunda.bpm.engine.cdi.impl.util;
import javax.enterprise.inject.spi.BeanManager;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.camunda.bpm.engine.ProcessEngineException;
public class BeanManagerLookup {
/** holds a local beanManager if no jndi is available */
public static BeanManager localInstance;
/** provide a custom jndi lookup name */
public static String jndiName;
public static BeanManager getBeanManager() {
BeanManager beanManager = lookupBeanManagerInJndi();
if(beanManager != null) {
return beanManager;
} else {
if (localInstance != null) {
return localInstance;
} else {
throw new ProcessEngineException(
"Could not lookup beanmanager in jndi. If no jndi is available, set the beanmanger to the 'localInstance' property of this class.");
}
}
}
private static BeanManager lookupBeanManagerInJndi() {
if (jndiName != null) {
try {
return (BeanManager) InitialContext.doLookup(jndiName);
} catch (NamingException e) {
throw new ProcessEngineException("Could not lookup beanmanager in jndi using name: '" + jndiName + "'.", e);
}
}
try {
// in an application server
return (BeanManager) InitialContext.doLookup("java:comp/BeanManager");
} catch (NamingException e) {
// silently ignore
}
try {
// in a servlet container
return (BeanManager) InitialContext.doLookup("java:comp/env/BeanManager");
} catch (NamingException e) {
// silently ignore
}
return null;
}
}