private Geospatial readPrimitiveGeoValue()

in lib/server-core/src/main/java/org/apache/olingo/server/core/deserializer/json/ODataJsonDeserializer.java [862:925]
57 lines of code
23 McCabe index (conditional complexity)

  private Geospatial readPrimitiveGeoValue(final String name, final EdmPrimitiveType type, ObjectNode jsonNode)
      throws DeserializerException, EdmPrimitiveTypeException {
    JsonNode typeNode = jsonNode.remove(Constants.ATTR_TYPE);
    if (typeNode != null && typeNode.isTextual()) {
      final Class<? extends Geospatial> geoDataType = jsonNameToGeoDataType.get(typeNode.asText());
      if (geoDataType != null && (type == null || geoDataType.equals(type.getDefaultType()))) {
        final JsonNode topNode = jsonNode.remove(
            geoDataType.equals(GeospatialCollection.class) ? Constants.JSON_GEOMETRIES : Constants.JSON_COORDINATES);

        SRID srid = null;
        if (jsonNode.has(Constants.JSON_CRS)) {
          srid = SRID.valueOf(
          jsonNode.remove(Constants.JSON_CRS).get(Constants.PROPERTIES).
            get(Constants.JSON_NAME).asText().split(":")[1]);
        }
        
        assertJsonNodeIsEmpty(jsonNode);

        if (topNode != null && topNode.isArray()) {
          final Geospatial.Dimension dimension = type == null || type.getName().startsWith("Geometry") ?
              Geospatial.Dimension.GEOMETRY :
              Geospatial.Dimension.GEOGRAPHY;
          if (geoDataType.equals(Point.class)) {
            return readGeoPointValue(name, dimension, topNode, srid);
          } else if (geoDataType.equals(MultiPoint.class)) {
            return new MultiPoint(dimension, srid, readGeoPointValues(name, dimension, 0, false, topNode));
          } else if (geoDataType.equals(LineString.class)) {
            // Although a line string with less than two points is not really one, the OData specification says:
            // "The coordinates member of a LineString can have zero or more positions".
            // Therefore the required minimal size of the points array currently is zero.
            return new LineString(dimension, srid, readGeoPointValues(name, dimension, 0, false, topNode));
          } else if (geoDataType.equals(MultiLineString.class)) {
            List<LineString> lines = new ArrayList<>();
            for (final JsonNode element : topNode) {
              // Line strings can be empty (see above).
              lines.add(new LineString(dimension, srid, readGeoPointValues(name, dimension, 0, false, element)));
            }
            return new MultiLineString(dimension, srid, lines);
          } else if (geoDataType.equals(Polygon.class)) {
            return readGeoPolygon(name, dimension, topNode, srid);
          } else if (geoDataType.equals(MultiPolygon.class)) {
            List<Polygon> polygons = new ArrayList<>();
            for (final JsonNode element : topNode) {
              polygons.add(readGeoPolygon(name, dimension, element, null));
            }
            return new MultiPolygon(dimension, srid, polygons);
          } else if (geoDataType.equals(GeospatialCollection.class)) {
            List<Geospatial> elements = new ArrayList<>();
            for (final JsonNode element : topNode) {
              if (element.isObject()) {
                elements.add(readPrimitiveGeoValue(name, null, (ObjectNode) element));
              } else {
                throw new DeserializerException("Invalid value '" + element + "' in property: " + name,
                    DeserializerException.MessageKeys.INVALID_VALUE_FOR_PROPERTY, name);
              }
            }
            return new GeospatialCollection(dimension, srid, elements);
          }
        }
      }
    }
    throw new DeserializerException("Invalid value '" + jsonNode + "' for property: " + name,
        DeserializerException.MessageKeys.INVALID_VALUE_FOR_PROPERTY, name);
  }