java.org.jboss.embedded.jndi.DelegatingContextFactory Maven / Gradle / Ivy
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* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
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*/
package org.jboss.embedded.jndi;
import org.jnp.interfaces.NamingContextFactory;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.spi.InitialContextFactory;
import java.util.Hashtable;
/**
* abstract class that delegates to a different initial context factory
* Allows you to reuse other JBoss context factories like the security one.
*
* @author Bill Burke
* @version $Revision: 1.1 $
*/
public abstract class DelegatingContextFactory implements InitialContextFactory
{
public static final String INITIAL_CONTEXT_FACTORY_DELEGATE = "jboss.embedded.initial.context.factory.delegate";
public static final String INITIAL_CONTEXT_FACTORY_DEFAULT = "org.jnp.interfaces.NamingContextFactory";
private NamingContextFactory delegate;
protected synchronized NamingContextFactory getDelegate(Hashtable env) throws NamingException
{
if (delegate != null) return delegate;
String factoryName = (String) env.get(INITIAL_CONTEXT_FACTORY_DELEGATE);
if (factoryName != null)
{
try
{
Class clazz = Thread.currentThread().getContextClassLoader().loadClass(factoryName);
delegate = (NamingContextFactory)clazz.newInstance();
}
catch (Exception e)
{
throw new RuntimeException("Unable to initialize InitialContextFactory", e);
}
}
else
{
delegate = new NamingContextFactory();
}
return delegate;
}
public Context getInitialContext(Hashtable env) throws NamingException
{
return getDelegate(env).getInitialContext(env);
}
}