code: public long getLong(int index, long otherwise) {
          Long l = getLong(index);
          return l == null ? otherwise : l;
      }
docs: Returns the <code>long</code> at index or otherwise if not found.
  
  @param index
  @return the value at index or null if not found
  @throws java.lang.IndexOutOfBoundsException if the index is out of the array bounds