/**
*
* 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.tomcat.naming;
import org.apache.naming.EjbRef;
import org.apache.openejb.core.ivm.EjbObjectInputStream;
import org.apache.openejb.core.ivm.IntraVmCopyMonitor;
import static org.apache.openejb.tomcat.naming.NamingUtil.DEPLOYMENT_ID;
import static org.apache.openejb.tomcat.naming.NamingUtil.EXTERNAL;
import static org.apache.openejb.tomcat.naming.NamingUtil.LOCAL;
import static org.apache.openejb.tomcat.naming.NamingUtil.REMOTE;
import static org.apache.openejb.tomcat.naming.NamingUtil.getProperty;
import static org.apache.openejb.tomcat.naming.NamingUtil.isPropertyTrue;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NamingException;
import javax.naming.Reference;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Hashtable;
public class EjbFactory extends AbstractObjectFactory {
public Object getObjectInstance(Object object, Name name, Context context, Hashtable environment) throws Exception {
// ignore non ejb-refs
if (!(object instanceof EjbRef)) {
return null;
}
// lookup the value
Object value = super.getObjectInstance(object, name, context, environment);
// if this is an external reference, copy it into the local class loader
if (isPropertyTrue((Reference) object, EXTERNAL)) {
value = copy(value);
}
// done
return value;
}
protected String buildJndiName(Reference reference) throws NamingException {
String jndiName;// get and verify deploymentId
String deploymentId = getProperty(reference, DEPLOYMENT_ID);
if (deploymentId == null) throw new NamingException("ejb-ref deploymentId is null");
// get and verify interface type
String interfaceType = getProperty(reference, REMOTE);
if (interfaceType == null) {
interfaceType = getProperty(reference, LOCAL);
}
if (interfaceType == null) throw new NamingException("ejb-ref interface type is null");
// build jndi name using the deploymentId and interface type
jndiName = "java:openejb/Deployment/" + deploymentId + "/" + interfaceType;
return jndiName;
}
private static Object copy(Object source) throws Exception {
IntraVmCopyMonitor.preCrossClassLoaderOperation();
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream(4096);
ObjectOutputStream out = new ObjectOutputStream(baos);
out.writeObject(source);
out.close();
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
ObjectInputStream in = new EjbObjectInputStream(bais);
Object copy = in.readObject();
return copy;
} finally {
IntraVmCopyMonitor.postCrossClassLoaderOperation();
}
}
}