/**

  * Copyright 2008 WebPhotos

  *

  * 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 net.sf.webphotos.locator;

 import java.util.Hashtable;

 import javax.naming.Context;

 import javax.naming.InitialContext;

 import javax.naming.NamingException;

 import org.apache.log4j.Logger;

 /**

  *

  * @author Guilherme

  */

 public class BasicEJBLocator {

         /**

      *

      */

     protected InitialContext cachedContext = null;

         /**

      *

      */

     public static String EJB_URL_PREFIXES = "org.jboss.naming";

         /**

      *

      */

     public static String EJB_CONTEXT_FACTORY = "org.jnp.interfaces.NamingContextFactory";

         /**

      *

      */

     public static String EJB_SERVER = "127.0.0.1:1099";

         private static Logger logger = Logger.getLogger(BasicEJBLocator.class);

         /**

      *

      */

     public void initEJBContext() {

                 try {

                         cachedContext = (InitialContext) getRemoteEJBsInitialContext();

                 } catch (NamingException e) {

                         logger.error("Erro fatal com context de EJBs", e);

                 }

         }

         /**

      *

      * @return

      */

     public InitialContext getEJBContext() {

                 if (cachedContext == null) {

                         initEJBContext();

                 }

                 return cachedContext;

         }

         /**

      *

      * @return

      * @throws NamingException

      */

     public Context getRemoteEJBsInitialContext() throws NamingException {

                 Hashtable<String, String> props = new Hashtable<String, String>();

                 props.put(Context.INITIAL_CONTEXT_FACTORY, EJB_CONTEXT_FACTORY);

                 props.put(Context.PROVIDER_URL, EJB_SERVER);

                 props.put(Context.URL_PKG_PREFIXES, EJB_URL_PREFIXES);

                 return new InitialContext(props);

         }

 }