How to use

checkGeometryOrNull

method

in

org.deegree.filter.spatial.Overlaps

@Override
public <T> boolean evaluate( T obj, XPathEvaluator<T> xpathEvaluator )
            throws FilterEvaluationException {
  for ( TypedObjectNode paramValue : propName.evaluate( obj, xpathEvaluator ) ) {
    Geometry geom = checkGeometryOrNull( paramValue );
    if ( geom != null ) {
      Geometry transformedLiteral = getCompatibleGeometry( geom, geometry );
      return geom.overlaps( transformedLiteral );
    }
  }
  return false;
}