public String trimCoordURI(String uri){
  if (!uri.startsWith(urlPrefix)) {
    throw new GeoSpatialSearchException("Invalid coordinate URI for the WKT value");
  }
  return uri.substring(urlPrefix.length());
}

public String trimCoordURI ( String uri ) { if ( ! uri . startsWith ( urlPrefix ) ) { throw new GeoSpatialSearchException ( "Invalid coordinate URI for the WKT value" ) ; } return uri . substring ( urlPrefix . length ( ) ) ; }
cut off prefix for the coordinate system uri . e . g . http : / / www . wikidata . org / entity / q
