public void removeAttribute(@Nonnull final String sName) {
ValueEnforcer.notNull(sName, "Name");
final Object aValue = m_aAttributes.remove(sName);
if (aValue instanceof HttpSessionBindingListener)
((HttpSessionBindingListener) aValue)
.valueUnbound(new HttpSessionBindingEvent(this, sName, aValue));
}
/** Clear all of this session's attributes. */
public void clearAttributes() {
for (final Map.Entry<String, Object> entry : m_aAttributes.entrySet()) {
final String sName = entry.getKey();
final Object aValue = entry.getValue();
if (aValue instanceof HttpSessionBindingListener)
((HttpSessionBindingListener) aValue)
.valueUnbound(new HttpSessionBindingEvent(this, sName, aValue));
}
m_aAttributes.clear();
}
public void invokeDestructionCallback() {
LogFactory.getLog(getClass())
.info(
"#### invokeDestructionCallback() "
+ getBeanName()
+ " "
+ scope.getConversationId());
HttpSessionBindingListener listener =
(HttpSessionBindingListener) scope.getDestructionCallback(getBeanName());
listener.valueUnbound(null); // cause unbound
}
@Override
public void valueUnbound(HttpSessionBindingEvent httpSessionBindingEvent) {
if (_httpSessionBindingListeners == null) {
return;
}
for (HttpSessionBindingListener httpSessionBindingListener : _httpSessionBindingListeners) {
httpSessionBindingListener.valueUnbound(httpSessionBindingEvent);
}
}
/**
* Serialize the attributes of this session into an object that can be turned into a byte array
* with standard Java serialization.
*
* @return a representation of this session's serialized state
*/
@Nonnull
public Serializable serializeState() {
final HashMap<String, Object> aState = new HashMap<String, Object>();
for (final Map.Entry<String, Object> entry : m_aAttributes.entrySet()) {
final String sName = entry.getKey();
final Object aValue = entry.getValue();
if (aValue instanceof Serializable) {
aState.put(sName, aValue);
} else {
// Not serializable... Servlet containers usually automatically
// unbind the attribute in this case.
if (aValue instanceof HttpSessionBindingListener) {
((HttpSessionBindingListener) aValue)
.valueUnbound(new HttpSessionBindingEvent(this, sName, aValue));
}
}
}
m_aAttributes.clear();
return aState;
}
private synchronized void callValueUnboundMethod(String key, Object value) {
if (value instanceof HttpSessionBindingListener) {
HttpSessionBindingEvent event = new HttpSessionBindingEvent(this, key, value);
((HttpSessionBindingListener) value).valueUnbound(event);
}
}