@SuppressWarnings({"unchecked", "rawtypes"})
private IWorkingSet[] getSelectedWorkingSet(IStructuredSelection selection) {
if (!(selection instanceof ITreeSelection)) return EMPTY_WORKING_SET_ARRAY;
ITreeSelection treeSelection = (ITreeSelection) selection;
if (treeSelection.isEmpty()) return EMPTY_WORKING_SET_ARRAY;
List elements = treeSelection.toList();
if (elements.size() == 1) {
Object element = elements.get(0);
TreePath[] paths = treeSelection.getPathsFor(element);
if (paths.length != 1) return EMPTY_WORKING_SET_ARRAY;
TreePath path = paths[0];
if (path.getSegmentCount() == 0) return EMPTY_WORKING_SET_ARRAY;
Object candidate = path.getSegment(0);
if (!(candidate instanceof IWorkingSet)) return EMPTY_WORKING_SET_ARRAY;
IWorkingSet workingSetCandidate = (IWorkingSet) candidate;
if (isValidWorkingSet(workingSetCandidate)) return new IWorkingSet[] {workingSetCandidate};
return EMPTY_WORKING_SET_ARRAY;
}
ArrayList result = new ArrayList();
for (Iterator iterator = elements.iterator(); iterator.hasNext(); ) {
Object element = iterator.next();
if (element instanceof IWorkingSet && isValidWorkingSet((IWorkingSet) element)) {
result.add(element);
}
}
return (IWorkingSet[]) result.toArray(new IWorkingSet[result.size()]);
}
