/**
* Executes request to server.
*
* @param request <code>DSRequest</code> being processed.
* @return <code>Object</code> data from original request.
*/
protected Object transformRequest(DSRequest request) {
String requestId = request.getRequestId();
DSResponse response = new DSResponse();
response.setAttribute("clientContext", request.getAttributeAsObject("clientContext"));
// Asume success
response.setStatus(0);
switch (request.getOperationType()) {
case FETCH:
executeFetch(requestId, request, response);
break;
case ADD:
executeAdd(requestId, request, response);
break;
case UPDATE:
executeUpdate(requestId, request, response);
break;
case REMOVE:
executeRemove(requestId, request, response);
break;
default:
// Operation not implemented.
break;
}
return request.getData();
}
public void executeFetch(final DSRequest request, final DSResponse response) {
long ctime = -1;
int maxItems = -1;
// retrieve current portlet display settings
if ((this.portlet != null) && (this.portlet instanceof RecentlyAddedResourcesPortlet)) {
RecentlyAddedResourcesPortlet recentAdditionsPortlet =
(RecentlyAddedResourcesPortlet) this.portlet;
if (recentAdditionsPortlet != null) {
if (getMaximumRecentlyAddedToDisplay() > 0) {
maxItems = getMaximumRecentlyAddedToDisplay();
}
// define the time window
if (getMaximumRecentlyAddedWithinHours() > 0) {
ctime =
System.currentTimeMillis()
- (getMaximumRecentlyAddedWithinHours() * MeasurementUtility.HOURS);
setOldestDate(ctime);
}
}
}
// TODO: spinder: revisit this later. ResourceCriteria mechanism does not work. Not sure if it's
// better?
// ResourceCriteria c = new ResourceCriteria();
//
// String p = request.getCriteria().getAttribute("parentId");
//
// if (p == null) {
// c.addFilterResourceCategory(ResourceCategory.PLATFORM);
// c.fetchChildResources(true);
// } else {
// c.addFilterParentResourceId(Integer.parseInt(p));
// }
// TODO GH: Enhance resourceCriteria query to support itime based filtering for
// "Recently imported" resources
// if logged in then proceed making server side calls
if (UserSessionManager.isLoggedIn()) {
GWTServiceLookup.getResourceService()
.findRecentlyAddedResources(
ctime,
maxItems,
new AsyncCallback<List<RecentlyAddedResourceComposite>>() {
public void onFailure(Throwable throwable) {
CoreGUI.getErrorHandler()
.handleError(MSG.view_portlet_recentlyAdded_error1(), throwable);
}
public void onSuccess(List<RecentlyAddedResourceComposite> recentlyAddedList) {
List<RecentlyAddedResourceComposite> list =
new ArrayList<RecentlyAddedResourceComposite>();
for (RecentlyAddedResourceComposite recentlyAdded : recentlyAddedList) {
list.add(recentlyAdded);
list.addAll(recentlyAdded.getChildren());
}
response.setData(buildNodes(list));
response.setTotalRows(list.size());
processResponse(request.getRequestId(), response);
}
});
} else { //
Log.debug("user is not logged in. Not fetching recently added resource now.");
// answer the datasource
response.setTotalRows(0);
processResponse(request.getRequestId(), response);
}
}