EJBUtils.java

package org.ubdynamics.architect.web;

import java.util.Hashtable;

import javax.naming.CommunicationException;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;

/**
 *  @usage
 *  EntityService entityService =
 *          (EntityService)EJBUtils.lookup("t3://127.0.0.1:7101", "EntityService#com.eatnjoy.service.EntityService");
 */
public class EJBUtils {

    public static Object lookup(String url, String name) {

        try {

            final Context context = getInitialContext(url);
            return context.lookup(name);
        } catch (CommunicationException e) {
            System.out.println(e.getClass().getName());
            System.out.println(e.getRootCause().getLocalizedMessage());
            System.out.println("\n*** A CommunicationException was raised.  This typically\n*** occurs when the target WebLogic server is not running.\n");
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    private static Context getInitialContext(String url) throws NamingException {

        Hashtable env = new Hashtable();
        env.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
        env.put(Context.PROVIDER_URL, url);
        return new InitialContext(env);
    }
}