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1
5 package com.terracotta.session.util;
6
7 import com.terracotta.session.Session;
8
9 import javax.servlet.http.HttpSessionAttributeListener  ;
10 import javax.servlet.http.HttpSessionBindingEvent ;
11 import javax.servlet.http.HttpSessionBindingListener ;
12 import javax.servlet.http.HttpSessionEvent ;
13 import javax.servlet.http.HttpSessionListener ;
14
15 public class DefaultLifecycleEventMgr implements LifecycleEventMgr {
16
17 private final HttpSessionAttributeListener [] attributeListeners;
18 private final HttpSessionListener [] sessionListeners;
19
20 public static LifecycleEventMgr makeInstance(ConfigProperties cp) {
21 Assert.pre(cp != null);
22 final HttpSessionAttributeListener [] attrListeners = cp.getSessionAttributeListeners();
23 final HttpSessionListener [] sessListeners = cp.getSessionListeners();
24 return new DefaultLifecycleEventMgr(attrListeners, sessListeners);
25 }
26
27 public DefaultLifecycleEventMgr(HttpSessionAttributeListener [] attributeListeners,
28 HttpSessionListener [] sessionListeners) {
29 this.attributeListeners = (attributeListeners == null) ? new HttpSessionAttributeListener [0] : attributeListeners;
30 this.sessionListeners = (sessionListeners == null) ? new HttpSessionListener [0] : sessionListeners;
31 }
32
33 public void fireSessionCreatedEvent(Session s) {
34 Assert.pre(s != null);
35 HttpSessionEvent e = new HttpSessionEvent (s);
36 for (int i = 0; i < sessionListeners.length; i++) {
37 HttpSessionListener l = sessionListeners[i];
38 if (l != null) l.sessionCreated(e);
39 }
40 }
41
42 public void fireSessionDestroyedEvent(Session session) {
43 Assert.pre(session != null);
44 HttpSessionEvent e = new HttpSessionEvent (session);
45 for (int i = 0; i < sessionListeners.length; i++) {
46 HttpSessionListener l = sessionListeners[i];
47 if (l != null) l.sessionDestroyed(e);
48 }
49 }
50
51 public void bindAttribute(Session sess, String name, Object val) {
52 if (val instanceof HttpSessionBindingListener ) {
53 Assert.pre(sess != null);
54 HttpSessionBindingEvent e = new HttpSessionBindingEvent (sess, name, val);
55 ((HttpSessionBindingListener ) val).valueBound(e);
56 }
57 }
58
59 public void unbindAttribute(Session sess, String name, Object val) {
60 if (val instanceof HttpSessionBindingListener ) {
61 Assert.pre(sess != null);
62 HttpSessionBindingEvent e = new HttpSessionBindingEvent (sess, name, val);
63 ((HttpSessionBindingListener ) val).valueUnbound(e);
64 }
65 }
66
67 public void removeAttribute(Session sess, String name, Object val) {
68 Assert.pre(sess != null);
69 HttpSessionBindingEvent e = new HttpSessionBindingEvent (sess, name, val);
70 for (int i = 0; i < attributeListeners.length; i++) {
71 HttpSessionAttributeListener l = attributeListeners[i];
72 if (l != null) l.attributeRemoved(e);
73 }
74 }
75
76 public void replaceAttribute(Session sess, String name, Object oldVal, Object newVal) {
77 Assert.pre(sess != null);
78 Assert.pre(oldVal != null);
79 HttpSessionBindingEvent e = new HttpSessionBindingEvent (sess, name, oldVal);
80 for (int i = 0; i < attributeListeners.length; i++) {
81 HttpSessionAttributeListener l = attributeListeners[i];
82 if (l != null) l.attributeReplaced(e);
83 }
84 }
85
86 public void setAttribute(Session sess, String name, Object val) {
87 Assert.pre(sess != null);
88 HttpSessionBindingEvent e = new HttpSessionBindingEvent (sess, name, val);
89 for (int i = 0; i < attributeListeners.length; i++) {
90 HttpSessionAttributeListener l = attributeListeners[i];
91 if (l != null) l.attributeAdded(e);
92 }
93 }
94 }
95 |
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