01 /*
02 * Copyright 1998-2004 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package java.beans.beancontext;
27
28 import java.beans.beancontext.BeanContextChild;
29 import java.beans.beancontext.BeanContextEvent;
30
31 import java.beans.beancontext.BeanContextServices;
32
33 import java.util.Iterator;
34
35 /**
36 * <p>
37 * This event type is used by the BeanContextServicesListener in order to
38 * identify the service being registered.
39 * </p>
40 */
41
42 public class BeanContextServiceAvailableEvent extends BeanContextEvent {
43
44 /**
45 * Construct a <code>BeanContextAvailableServiceEvent</code>.
46 * @param bcs The context in which the service has become available
47 * @param sc A <code>Class</code> reference to the newly available service
48 */
49 public BeanContextServiceAvailableEvent(BeanContextServices bcs,
50 Class sc) {
51 super ((BeanContext) bcs);
52
53 serviceClass = sc;
54 }
55
56 /**
57 * Gets the source as a reference of type <code>BeanContextServices</code>.
58 * @return The context in which the service has become available
59 */
60 public BeanContextServices getSourceAsBeanContextServices() {
61 return (BeanContextServices) getBeanContext();
62 }
63
64 /**
65 * Gets the service class that is the subject of this notification.
66 * @return A <code>Class</code> reference to the newly available service
67 */
68 public Class getServiceClass() {
69 return serviceClass;
70 }
71
72 /**
73 * Gets the list of service dependent selectors.
74 * @return the current selectors available from the service
75 */
76 public Iterator getCurrentServiceSelectors() {
77 return ((BeanContextServices) getSource())
78 .getCurrentServiceSelectors(serviceClass);
79 }
80
81 /*
82 * fields
83 */
84
85 /**
86 * A <code>Class</code> reference to the newly available service
87 */
88 protected Class serviceClass;
89 }
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