Setting the InitialContext across major Application Servers

Weblogic

Hashtable env = new Hashtable();

env.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
env.put(Context.PROVIDER_URL, "t3://localhost:7001");

InitialContext context = new InitialContxt(env);

Websphere

env.put(Context.INITIAL_CONTEXT_FACTORY,"com.ibm.websphere.naming.WsnInitialContextFactory");
env.put(Context.PROVIDER_URL,"iiop://localhost:900");

JBoss

env.put(InitialContext.INITIAL_CONTEXT_FACTORY,"org.jnp.interfaces.NamingContextFactory");

env.put(InitialContext.PROVIDER_URL,"jnp://localhost:1099");