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Java > Open Source Codes > com > sun > enterprise > webservice > ServiceCreationListenerImpl


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 package com.sun.enterprise.webservice;
25
26 import com.sun.enterprise.deployment.ServiceReferenceDescriptor;
27 import com.sun.enterprise.webservice.spi.ServiceDelegateCreationListener;
28 import com.sun.enterprise.webservice.spi.ServiceDelegateImpl;
29
30 /**
31  * This class will be notified of all ServiceDelegation creation which happens
32  * when a new Service instance is created.
33  *
34  * @author Jerome Dochez
35  */
36 public class ServiceCreationListenerImpl implements ServiceDelegateCreationListener {
37     
38     /** Creates a new instance of ServiceCreationListenerImpl */
39     public ServiceCreationListenerImpl() {
40     }
41     
42     /**
43      * this is stateless object, we really need only once instance at this time
44      * to register the port/dispatch creation listener.
45      */
46     private static ServiceCreationListenerImpl instance;
47     protected static void initInstance() {
48         instance = new ServiceCreationListenerImpl();
49     }
50     
51     /**
52      * @return the current ServiceDelegateCreationListener
53      */
54     public static ServiceDelegateCreationListener getDefaultListener() {
55         if (instance==null) {
56             synchronized(ServiceDelegateCreationListener.class) {
57                 if (instance==null) {
58                         initInstance();
59                 }
60             }
61         }
62         return instance;
63     }
64     
65     /*
66      * This is the callback that a new service has been created. This can
67      * happen when the application server creates a port managed instance
68      * but also when the user code does a "new Service()". We need to
69      * distinguish both use case
70      */
71     public void serviceCreated(ServiceDelegateImpl delegate) {
72         // do the mtom thing...
73 ServiceReferenceDescriptor ref = delegate.getServiceReference();
74         if (ref==null) {
75             // nothing we can do, the user probably did a new Service()
76 return;
77         }
78         // I am going to register a new PortCreationListener for this puppy
79 InvInterfaceCreationListenerImpl portListener = new InvInterfaceCreationListenerImpl(ref);
80         delegate.addListener(portListener);
81     }
82 }
83
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