MediaEntityManagerUtil


1   /*
2    * JBoss, the OpenSource J2EE webOS
3    *
4    * Distributable under LGPL license.
5    * See terms of license at gnu.org.
6    */
7   package org.jboss.media.entity;
8   
9   /**
10   * Utility class for MediaEntityManager.
11   */
12  public class MediaEntityManagerUtil
13  {
14     /** Cached remote home (EJBHome). Uses lazy loading to obtain its value (loaded by getHome() methods). */
15     private static org.jboss.media.entity.MediaEntityManagerHome cachedRemoteHome = null;
16  
17     /** Cached local home (EJBLocalHome). Uses lazy loading to obtain its value (loaded by getLocalHome() methods). */
18     private static org.jboss.media.entity.MediaEntityManagerLocalHome cachedLocalHome = null;
19  
20     // Home interface lookup methods
21  
22     /**
23      * Obtain remote home interface from default initial context
24      * @return Home interface for MediaEntityManager. Lookup using JNDI_NAME
25      */
26     public static org.jboss.media.entity.MediaEntityManagerHome getHome() throws javax.naming.NamingException  
27     {
28        if (cachedRemoteHome == null) {
29           // Obtain initial context
30           javax.naming.InitialContext   initialContext = new javax.naming.InitialContext  ();
31           try {
32              java.lang.Object   objRef = initialContext.lookup(org.jboss.media.entity.MediaEntityManagerHome.JNDI_NAME);
33              cachedRemoteHome = (org.jboss.media.entity.MediaEntityManagerHome) javax.rmi.PortableRemoteObject.narrow(objRef, org.jboss.media.entity.MediaEntityManagerHome.class);
34           } finally {
35              initialContext.close();
36           }
37        }
38        return cachedRemoteHome;
39     }
40  
41     /**
42      * Obtain remote home interface from parameterised initial context
43      * @param environment Parameters to use for creating initial context
44      * @return Home interface for MediaEntityManager. Lookup using JNDI_NAME
45      */
46     public static org.jboss.media.entity.MediaEntityManagerHome getHome( java.util.Hashtable   environment ) throws javax.naming.NamingException  
47     {
48        // Obtain initial context
49        javax.naming.InitialContext   initialContext = new javax.naming.InitialContext  (environment);
50        try {
51           java.lang.Object   objRef = initialContext.lookup(org.jboss.media.entity.MediaEntityManagerHome.JNDI_NAME);
52           return (org.jboss.media.entity.MediaEntityManagerHome) javax.rmi.PortableRemoteObject.narrow(objRef, org.jboss.media.entity.MediaEntityManagerHome.class);
53        } finally {
54           initialContext.close();
55        }
56     }
57  
58     /**
59      * Obtain local home interface from default initial context
60      * @return Local home interface for MediaEntityManager. Lookup using JNDI_NAME
61      */
62     public static org.jboss.media.entity.MediaEntityManagerLocalHome getLocalHome() throws javax.naming.NamingException  
63     {
64        // Local homes shouldn't be narrowed, as there is no RMI involved.
65        if (cachedLocalHome == null) {
66           // Obtain initial context
67           javax.naming.InitialContext   initialContext = new javax.naming.InitialContext  ();
68           try {
69              cachedLocalHome = (org.jboss.media.entity.MediaEntityManagerLocalHome) initialContext.lookup(org.jboss.media.entity.MediaEntityManagerLocalHome.JNDI_NAME);
70           } finally {
71              initialContext.close();
72           }
73        }
74        return cachedLocalHome;
75     }
76  
77  }
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