* property pages.
*/
private String[] getKeywords(Object element) {
List keywordList = new ArrayList();
if (element instanceof WorkbenchPreferenceExtensionNode) {
WorkbenchPreferenceExtensionNode workbenchNode = (WorkbenchPreferenceExtensionNode) element;
Collection keywordCollection = (Collection) keywordCache
.get(element);
if (keywordCollection == null) {
keywordCollection = workbenchNode.getKeywordLabels();
keywordCache.put(element, keywordCollection);
}
if (!keywordCollection.isEmpty()){
Iterator keywords = keywordCollection.iterator();
while (keywords.hasNext()) {