if (selectedResourceKey != null) {
try {
WorkflowService wfs = wsc.getWorkflowService();
WfResource resource
= wfs.resourceByKey(selectedResourceKey);
Collection assignments = resource.workItems();
for (Iterator i = assignments.iterator(); i.hasNext ();) {
WfAssignment assignment = (WfAssignment)i.next();
assignedActivitiesList.add
(new ActivityWrapper
(wfs, (Activity)assignment.activity()));