/**
* This method is called after an attribute is added to the ServletRequest. Note that this should
* only get called for remote WSRP portlets. For more info, see:
* http://issues.liferay.com/browse/FACES-146
*/
public void attributeAdded(ServletRequestAttributeEvent servletRequestAttributeEvent) {
// NOTE: We only care about phases prior to the RENDER_PHASE because we're concerned here about
// managed beans
// that get added to the request scope when the BridgeRequestScope begins. We're trying to
// provide those managed
// beans with an opportunity to prepare for an unexpected invocation of their methods annotated
// with
// @PreDestroy.
ServletRequest servletRequest = servletRequestAttributeEvent.getServletRequest();
PortletPhase phase = (PortletPhase) servletRequest.getAttribute(Bridge.PORTLET_LIFECYCLE_PHASE);
// If this is taking place within a PortletRequest handled by the bridge in any phase prior to
// the
// RENDER_PHASE, then
if ((phase != null) && (phase != PortletPhase.RENDER_PHASE)) {
// If the attribute being added is not excluded, then invoke all methods on the attribute
// value (class
// instance) that are annotated with the BridgeRequestScopeAttributeAdded annotation.
String attributeName = servletRequestAttributeEvent.getName();
BridgeContext bridgeContext = BridgeContext.getCurrentInstance();
BridgeConfig bridgeConfig = bridgeContext.getBridgeConfig();
Set<String> excludedRequestScopeAttributes = bridgeConfig.getExcludedRequestAttributes();
if (!excludedRequestScopeAttributes.contains(attributeName)) {
Object attributeValue = servletRequestAttributeEvent.getValue();
logger.trace("Attribute added name=[{0}] value=[{1}]", attributeName, attributeValue);
if (attributeValue != null) {
Method[] methods = attributeValue.getClass().getMethods();
if (methods != null) {
for (Method method : methods) {
if (method != null) {
if (method.isAnnotationPresent(BridgeRequestScopeAttributeAdded.class)) {
try {
method.invoke(attributeValue, new Object[] {});
} catch (Exception e) {
logger.error(e);
}
}
}
}
}
}
}
}
}
@Override
public void attributeRemoved(ServletRequestAttributeEvent _srae) {
System.out.println(
"edu.temple.cis3238.wiki.WikiEventMonitor.attribRemoved(): [name]" + _srae.getName());
}
/**
* This method is called after an attribute is replaced in the ServletRequest. One might expect
* that this is a good time to call any managed bean methods annotated with @BridgePreDestroy, but
* that actually takes place in the Bridge's {@link RequestAttributeMap#remove(Object)} method.
* Note that this should only get called for remote WSRP portlets. For more info, see:
* http://issues.liferay.com/browse/FACES-146
*/
public void attributeReplaced(ServletRequestAttributeEvent servletRequestAttributeEvent) {
String attributeName = servletRequestAttributeEvent.getName();
Object attributeValue = servletRequestAttributeEvent.getValue();
logger.trace("Attribute replaced name=[{0}] value=[{1}]", attributeName, attributeValue);
}
