!(value instanceof Serializable))
throw new IllegalArgumentException
(sm.getString("standardSession.setAttribute.iae"));
// Construct an event with the new value
HttpSessionBindingEvent event = null;
// Call the valueBound() method if necessary
if (value instanceof HttpSessionBindingListener) {
// Don't call any notification if replacing with the same value
Object oldValue = attributes.get(name);
if (value != oldValue) {
event = new HttpSessionBindingEvent(getSession(), name, value);
try {
((HttpSessionBindingListener) value).valueBound(event);
} catch (Throwable t){
manager.getContainer().getLogger().error
(sm.getString("standardSession.bindingEvent"), t);
}
}
}
// Replace or add this attribute
Object unbound = null;
synchronized (attributes) {
unbound = attributes.put(name, value);
}
// Call the valueUnbound() method if necessary
if ((unbound != null) && (unbound != value) &&
(unbound instanceof HttpSessionBindingListener)) {
try {
((HttpSessionBindingListener) unbound).valueUnbound
(new HttpSessionBindingEvent(getSession(), name));
} catch (Throwable t) {
manager.getContainer().getLogger().error
(sm.getString("standardSession.bindingEvent"), t);
}
}
// Notify interested application event listeners
Context context = (Context) manager.getContainer();
Object listeners[] = context.getApplicationEventListeners();
if (listeners == null)
return;
for (int i = 0; i < listeners.length; i++) {
if (!(listeners[i] instanceof HttpSessionAttributeListener))
continue;
HttpSessionAttributeListener listener =
(HttpSessionAttributeListener) listeners[i];
try {
if (unbound != null) {
fireContainerEvent(context,
"beforeSessionAttributeReplaced",
listener);
if (event == null) {
event = new HttpSessionBindingEvent
(getSession(), name, unbound);
}
listener.attributeReplaced(event);
fireContainerEvent(context,
"afterSessionAttributeReplaced",
listener);
} else {
fireContainerEvent(context,
"beforeSessionAttributeAdded",
listener);
if (event == null) {
event = new HttpSessionBindingEvent
(getSession(), name, value);
}
listener.attributeAdded(event);
fireContainerEvent(context,
"afterSessionAttributeAdded",