private static List<String> createJARQuery(final Object draggedElement) {
   final LinkedList<String> queryList = new LinkedList<String>();
   final List<String> packages =
       Resolver.getPackagesFromPFR((IPackageFragmentRoot) draggedElement);
   for (final String s : packages) {
     final String jarQuery = String.format("%s('%s')", PACKAGE, s);
     queryList.add(jarQuery);
   }
   return queryList;
 }