org.apache.openejb.client.TomcatEjbFactory 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.openejb.client;
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 java.util.Enumeration;
import java.util.Hashtable;
import java.util.Properties;
public class TomcatEjbFactory implements ObjectFactory {
private final static String OPENEJB_PREFIX = "openejb.";
private final static String JAVA_PREFIX = "java.";
private final static String OPENEJB_EJB_LINK = "openejb.ejb-link";
private final static int OPENEJB_PREFIX_LENGTH = OPENEJB_PREFIX.length();
@SuppressWarnings("unchecked")
@Override
public Object getObjectInstance(final Object obj,
final Name name,
final Context nameCtx,
final Hashtable environment)
throws Exception {
Object beanObj = null;
final Class ejbRefClass = Class.forName("org.apache.naming.EjbRef");
if (ejbRefClass.isAssignableFrom(obj.getClass())) {
RefAddr refAddr;
String addrType;
final Properties env = new Properties();
String bean = null;
final Reference ref = (Reference) obj;
final Enumeration addresses = ref.getAll();
while (addresses.hasMoreElements()) {
refAddr = (RefAddr) addresses.nextElement();
addrType = refAddr.getType();
if (addrType.startsWith(OPENEJB_PREFIX)) {
final String value = refAddr.getContent().toString();
if (addrType.equals(OPENEJB_EJB_LINK)) {
bean = value;
continue;
}
String key = addrType.substring(OPENEJB_PREFIX_LENGTH);
key = JAVA_PREFIX + key;
env.put(key, value);
}
}
if (bean != null) {
beanObj = (new InitialContext(env)).lookup(bean);
}
}
return beanObj;
}
}