/**
*
* 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.tomee.common;
import org.apache.openejb.core.LocalInitialContextFactory;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.spi.ContainerSystem;
import org.apache.openejb.util.Strings;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.Name;
import javax.naming.NameNotFoundException;
import javax.naming.NamingException;
import javax.naming.NoInitialContextException;
import javax.naming.Reference;
import javax.naming.spi.ObjectFactory;
import java.util.Hashtable;
import java.util.Properties;
public abstract class AbstractObjectFactory implements ObjectFactory {
public Object getObjectInstance(final Object object, final Name name, final Context context, final Hashtable environment) throws Exception {
final Reference ref = (Reference) object;
// the jndi context to use for the lookup (usually null which is the default context)
final String jndiProviderId = NamingUtil.getProperty(ref, NamingUtil.JNDI_PROVIDER_ID);
// the jndi name
String jndiName = NamingUtil.getProperty(ref, NamingUtil.JNDI_NAME);
if (jndiName == null) {
jndiName = buildJndiName(ref);
}
// look up the reference
try {
return lookup(jndiProviderId, jndiName);
} catch (final NameNotFoundException nnfe) { // EE.5.18: try using java:module/<shortName> prefix
// 2nd try
if (jndiName.startsWith("java:")) {
try {
return new InitialContext().lookup(jndiName);
} catch (final NameNotFoundException ignored) {
// no-op
} catch (final NoInitialContextException nice) {
final Properties props = new Properties();
props.setProperty(Context.INITIAL_CONTEXT_FACTORY, LocalInitialContextFactory.class.getName());
try {
return new InitialContext(props).lookup(jndiName);
} catch (final NameNotFoundException ignored) {
// no-op
}
}
}
// 3rd try
if (ref.getClassName() != null) {
final String moduleName = "java:module/" + Strings.lastPart(ref.getClassName(), '.');
try {
return new InitialContext().lookup(moduleName);
} catch (final NameNotFoundException ignored) {
// no-op
} catch (final NoInitialContextException nice) {
final Properties props = new Properties();
props.setProperty(Context.INITIAL_CONTEXT_FACTORY, LocalInitialContextFactory.class.getName());
try {
return new InitialContext(props).lookup(moduleName);
} catch (final NameNotFoundException ignored) {
// no-op
}
}
}
throw nnfe;
}
}
protected abstract String buildJndiName(Reference reference) throws NamingException;
protected Object lookup(final String jndiProviderId, final String jndiName) throws NamingException {
final Context externalContext = getContext(jndiProviderId);
synchronized (externalContext) {
/* According to the JNDI SPI specification multiple threads may not access the same JNDI
Context *instance* concurrently. Since we don't know the origins of the federated context we must
synchronize access to it. JNDI SPI Specification 1.2 Section 2.2
*/
return externalContext.lookup(jndiName);
}
}
protected Context getContext(final String jndiProviderId) throws NamingException {
if (jndiProviderId != null) {
final String contextJndiName = "java:openejb/remote_jndi_contexts/" + jndiProviderId;
final ContainerSystem containerSystem = SystemInstance.get().getComponent(ContainerSystem.class);
final Context context = (Context) containerSystem.getJNDIContext().lookup(contextJndiName);
return context;
} else {
final ContainerSystem containerSystem = SystemInstance.get().getComponent(ContainerSystem.class);
final Context context = containerSystem.getJNDIContext();
return context;
}
}
}