protected Geometry decodePoint()

in baremaps-core/src/main/java/org/apache/baremaps/vectortile/VectorTileDecoder.java [206:244]

• 26 lines of code
• 6 McCabe index (conditional complexity)

  protected Geometry decodePoint(List<Integer> encoding) {
    List<Coordinate> coordinates = new ArrayList<>();

    // Iterate over the commands and parameters
    int i = 0;
    while (i < encoding.size()) {
      int value = encoding.get(i);
      int command = command(value);
      int count = count(value);

      // Increment the index to the first parameter
      i++;

      // Iterate over the parameters
      int length = count * 2;
      for (int j = 0; j < length; j += 2) {
        // Decode the parameters and move the cursor
        cx += parameter(encoding.get(i + j));
        cy += parameter(encoding.get(i + j + 1));

        // Add the coordinate to the list
        if (command == MOVE_TO) {
          coordinates.add(new Coordinate(cx, cy));
        }
      }

      // Increment the index to the next command
      i += length;
    }

    // Build the final geometry
    if (coordinates.size() == 1) {
      return GEOMETRY_FACTORY.createPoint(coordinates.get(0));
    } else if (coordinates.size() > 1) {
      return GEOMETRY_FACTORY.createMultiPointFromCoords(coordinates.toArray(new Coordinate[0]));
    } else {
      throw new IllegalStateException("No coordinates found.");
    }
  }