public void accept()

in baremaps-openstreetmap/src/main/java/org/apache/baremaps/openstreetmap/function/WayGeometryBuilder.java [55:96]

37 lines of code
12 McCabe index (conditional complexity)


  public void accept(Entity entity) {
    if (entity instanceof Way way) {
      try {
        // Build the coordinate list and remove duplicates.
        List<Coordinate> list = new ArrayList<>();
        Coordinate previous = null;
        for (Long id : way.getNodes()) {
          Coordinate coordinate = coordinateMap.get(id);
          if (coordinate != null && !coordinate.equals(previous)) {
            list.add(coordinate);
            previous = coordinate;
          }
        }

        Coordinate[] array = list.toArray(new Coordinate[0]);
        LineString line = geometryFactory.createLineString(array);

        if (!line.isEmpty()) {
          // Ways can be open or closed depending on the geometry or the tags:
          // https://wiki.openstreetmap.org/wiki/Way
          if (!line.isClosed()
              || way.getTags().containsKey("railway")
              || way.getTags().containsKey("highway")
              || way.getTags().containsKey("barrier")) {
            way.setGeometry(line);
          } else {
            Polygon polygon = geometryFactory.createPolygon(line.getCoordinates());
            if (polygon.isValid()) {
              way.setGeometry(polygon);
            } else {
              var geometryFixer = new GeometryFixer(polygon);
              var fixedGeometry = geometryFixer.getResult();
              way.setGeometry(fixedGeometry);
            }
          }
        }
      } catch (Exception e) {
        logger.debug("Unable to build the geometry for way #" + way.getId(), e);
        way.setGeometry(geometryFactory.createEmpty(0));
      }
    }
  }