Ejemplo n.º 1
0
  /**
   * Reads an element as a gml node. Returns a geometry element or {@code null} if the element does
   * not match one of the specified types.
   *
   * @param node xml node containing gml object(s)
   * @param names allowed geometry types
   * @return geometry, or {@code null}
   * @throws QueryException query exception
   */
  private static Geometry geo(final ANode node, final QNm... names) throws QueryException {
    if (node.type != NodeType.ELM) throw EXPTYPE_X_X_X.get(null, NodeType.ELM, node.type, node);

    final QNm qname = node.qname();
    for (final QNm geo : names) {
      if (!qname.eq(geo)) continue;
      // type found... create reader and geometry element
      try {
        final String input = node.serialize().toString();
        final GMLReader gmlReader = new GMLReader();
        final GeometryFactory geoFactory = new GeometryFactory();
        return gmlReader.read(input, geoFactory);
      } catch (final Throwable ex) {
        throw GeoErrors.gmlReaderErr(ex);
      }
    }
    return null;
  }
Ejemplo n.º 2
0
 /**
  * Returns an index to the specified function, or {@code -1}.
  *
  * @param name name of the function
  * @param args optional arguments
  * @return function instance
  */
 private int indexOf(final QNm name, final Expr[] args) {
   for (int id = 0; id < funcs.length; ++id) {
     if (name.eq(funcs[id].name) && args.length == funcs[id].args.length) return id;
   }
   return -1;
 }