Examples of javax.naming.Context.lookup()

javax.naming.Context.lookup()
Returns the object bound to the specified name in this context. If the specified name is empty, a new instance of this context is returned, complete with its own environment properties. @param n a Name to lookup @return the object bound to the specified name in this context @throws NamingException if an error occurs.

    public static synchronized <E> E getBeanLocalInstance(final Class beanClass, final Class<E> beanInterface) throws Exception {
        System.setProperty(Context.INITIAL_CONTEXT_FACTORY,
                "org.objectweb.carol.jndi.spi.MultiOrbInitialContextFactory");


        Context initialContext = new InitialContext();
        E clBean = (E) initialContext.lookup(beanClass.getName() + "_" + beanInterface.getName() + ITF_LOCAL);
        return clBean;
    }


    /**
     * Gets an instance of a bean by the mappedName.

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    public static synchronized <E> E getBeanByMappedName(final String mappedName) throws Exception {
        System.setProperty(Context.INITIAL_CONTEXT_FACTORY,
                "org.objectweb.carol.jndi.spi.MultiOrbInitialContextFactory");


        Context initialContext = new InitialContext();
        E clBean = (E) initialContext.lookup(mappedName);
        return clBean;
    }


}

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        E eJNDI = null;
        try {
            Context initCtx = new InitialContext();
            Context myEnv = (Context) initCtx.lookup("java:comp/env");


            eJNDI = (E) myEnv.lookup(entryName);


            if (eJNDI == null) {
                logger.debug("Entry reference is null. Name = {0}", entryName);
            }
        } catch (NamingException e) {

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        // gets the initialcontext
        Context initialContext = new InitialContext();


        // gets the database
       return (DataSource) initialContext.lookup(dsName);
    }
}

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         try
         {
            ic = providerAdaptor.getInitialContext();
            
            Object obj = ic.lookup(providerAdaptor.getFactoryRef());
            
            if (!(obj instanceof XAConnectionFactory))
            {
               throw new IllegalArgumentException("Connection factory from jms provider is not a XAConnectionFactory");
            }

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        SimpleDateFormat dateFormat = new SimpleDateFormat("yyMMddHHmmss");


        Context initialContext = getInitialContext();
        boolean clusteringEnabled = false;


        ClusterRemote statelessBean = (ClusterRemote) initialContext.lookup("org.ow2.easybeans.examples.cluster.ClusterBeanAN"
                + "_" + ClusterRemote.class.getName() + "@Remote");


        if (statelessBean instanceof CMIProxy) {
            clusteringEnabled = true;
            System.out.println("Clustering is enabled.");

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        String msg = null;
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyMMddHHmmss");


        Context initialContext = getInitialContext();
        boolean clusteringEnabled = false;
        ClusterRemote statelessBean = (ClusterRemote) initialContext.lookup("clusterBeanConfiguredByXML");


        if (statelessBean instanceof CMIProxy) {
            clusteringEnabled = true;
            System.out.println("Clustering is enabled.");
        }

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        }


        // Get bean configured with annotation
        final BusinessInterface poolBeanAnnotation;
        try {
            poolBeanAnnotation = (BusinessInterface) initialContext.lookup("poolBeanConfiguredByAnnotation");
        } catch (NamingException e) {
            System.err.println("Cannot get bean: " + e);
            System.exit(2);
            return;
        }

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        }


        // Get bean configured with XML
        final BusinessInterface poolBeanXML;
        try {
            poolBeanXML = (BusinessInterface) initialContext.lookup("poolBeanConfiguredByXML");
        } catch (NamingException e) {
            System.err.println("Cannot get bean: " + e);
            System.exit(2);
            return;
        }

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        // Get context
        Context initialContext = getInitialContext();


        // Get factory
        QueueConnectionFactory queueConnectionFactory = (QueueConnectionFactory) initialContext
        .lookup(QUEUE_CONNECTION_FACTORY);


        // Lookup the Queues through their JNDI name
        Queue annotationQueue = (Queue) initialContext.lookup(SAMPLE_QUEUE_MDB_ANNOTATION);
        Queue xmlQueue = (Queue) initialContext.lookup(SAMPLE_QUEUE_MDB_XML);

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