io.helidon.messaging.connectors.wls.IsolatedContextFactory Maven / Gradle / Ivy
/*
* Copyright (c) 2022, 2023 Oracle and/or its affiliates.
*
* 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 io.helidon.messaging.connectors.wls;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.Hashtable;
import java.util.Optional;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.spi.InitialContextFactory;
/**
* Initial JNDI context for Weblogic thin client initial context loaded by different classloader.
*/
public class IsolatedContextFactory implements InitialContextFactory {
private static final String WLS_INIT_CTX_FACTORY_DEFAULT = "weblogic.jms.WLInitialContextFactory";
@Override
public Context getInitialContext(Hashtable env) throws NamingException {
return ThinClientClassLoader.executeInIsolation(() -> {
String wlsInitFactoryClass =
Optional.ofNullable((String) env.get("wls-init-ctx-factory"))
.orElse(WLS_INIT_CTX_FACTORY_DEFAULT);
try {
Class wlInitialContextFactory = ThinClientClassLoader.getInstance().loadClass(wlsInitFactoryClass);
Constructor contextFactoryConstructor = wlInitialContextFactory.getConstructor();
InitialContextFactory contextFactoryInstance = (InitialContextFactory) contextFactoryConstructor.newInstance();
return contextFactoryInstance.getInitialContext(env);
} catch (ClassNotFoundException e) {
throw new RuntimeException("Cannot find " + wlsInitFactoryClass, e);
} catch (NoSuchMethodException
| InvocationTargetException
| InstantiationException
| IllegalAccessException e) {
throw new RuntimeException("Cannot instantiate " + wlsInitFactoryClass, e);
}
});
}
}