org.apache.naming.factory.OpenEjbFactory Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.naming.factory;
import java.util.Hashtable;
import java.util.Properties;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.Name;
import javax.naming.RefAddr;
import javax.naming.Reference;
import javax.naming.spi.ObjectFactory;
import org.apache.naming.EjbRef;
/**
* Object factory for EJBs.
*
* @author Jacek Laskowski
* @author Remy Maucherat
*/
public class OpenEjbFactory implements ObjectFactory {
// -------------------------------------------------------------- Constants
protected static final String DEFAULT_OPENEJB_FACTORY =
"org.openejb.client.LocalInitialContextFactory";
// -------------------------------------------------- ObjectFactory Methods
/**
* Create a new EJB instance using OpenEJB.
*
* @param obj The reference object describing the DataSource
* @param name the bound name
* @param nameCtx unused
* @param environment unused
* @return the object instance
* @throws Exception if an error occur creating the instance
*/
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx,
Hashtable environment)
throws Exception {
Object beanObj = null;
if (obj instanceof EjbRef) {
Reference ref = (Reference) obj;
String factory = DEFAULT_OPENEJB_FACTORY;
RefAddr factoryRefAddr = ref.get("openejb.factory");
if (factoryRefAddr != null) {
// Retrieving the OpenEJB factory
factory = factoryRefAddr.getContent().toString();
}
Properties env = new Properties();
env.put(Context.INITIAL_CONTEXT_FACTORY, factory);
RefAddr linkRefAddr = ref.get("openejb.link");
if (linkRefAddr != null) {
String ejbLink = linkRefAddr.getContent().toString();
beanObj = (new InitialContext(env)).lookup(ejbLink);
}
}
return beanObj;
}
}