private ISiteFeature[] getFeaturesFromSelection(IStructuredSelection sel) {
if (sel.isEmpty()) return new ISiteFeature[0];
if (cachedSelection == sel) return cachedFeatures;
cachedSelection = sel;
ArrayList<ISiteFeature> features = new ArrayList<ISiteFeature>(sel.size());
Iterator<?> iterator = sel.iterator();
while (iterator.hasNext()) {
Object next = iterator.next();
if (next instanceof SiteFeatureAdapter) {
if ((((SiteFeatureAdapter) next).feature) != null) {
features.add(((SiteFeatureAdapter) next).feature);
}
}
}
cachedFeatures = features.toArray(new ISiteFeature[features.size()]);
return cachedFeatures;
}
