Examples with LineString com.mongodb.client.model.geojson.LineString used on opensource projects

Example 1 with LineString

use of com.mongodb.client.model.geojson.LineString in project mongo-java-driver by mongodb.

the class GeometryDecoderHelper method decodeGeometry.

private static Geometry decodeGeometry(final BsonReader reader) {
    String type = null;
    BsonReaderMark mark = reader.getMark();
    validateIsDocument(reader);
    reader.readStartDocument();
    while (reader.readBsonType() != BsonType.END_OF_DOCUMENT) {
        String key = reader.readName();
        if (key.equals("type")) {
            type = reader.readString();
            break;
        } else {
            reader.skipValue();
        }
    }
    mark.reset();
    if (type == null) {
        throw new CodecConfigurationException("Invalid Geometry item, document contained no type information.");
    }
    Geometry geometry = null;
    if (type.equals("Point")) {
        geometry = decodePoint(reader);
    } else if (type.equals("MultiPoint")) {
        geometry = decodeMultiPoint(reader);
    } else if (type.equals("Polygon")) {
        geometry = decodePolygon(reader);
    } else if (type.equals("MultiPolygon")) {
        geometry = decodeMultiPolygon(reader);
    } else if (type.equals("LineString")) {
        geometry = decodeLineString(reader);
    } else if (type.equals("MultiLineString")) {
        geometry = decodeMultiLineString(reader);
    } else if (type.equals("GeometryCollection")) {
        geometry = decodeGeometryCollection(reader);
    } else {
        throw new CodecConfigurationException(format("Invalid Geometry item, found type '%s'.", type));
    }
    return geometry;
}

Example 2 with LineString

use of com.mongodb.client.model.geojson.LineString in project mongo-java-driver by mongodb.

the class GeometryDecoderHelper method decodeLineString.

private static LineString decodeLineString(final BsonReader reader) {
    String type = null;
    List<Position> coordinates = null;
    CoordinateReferenceSystem crs = null;
    reader.readStartDocument();
    while (reader.readBsonType() != BsonType.END_OF_DOCUMENT) {
        String key = reader.readName();
        if (key.equals("type")) {
            type = reader.readString();
        } else if (key.equals("coordinates")) {
            coordinates = decodeCoordinates(reader);
        } else if (key.equals("crs")) {
            crs = decodeCoordinateReferenceSystem(reader);
        } else {
            throw new CodecConfigurationException(format("Unexpected key '%s' found when decoding a GeoJSON Polygon", key));
        }
    }
    reader.readEndDocument();
    if (type == null) {
        throw new CodecConfigurationException("Invalid LineString, document contained no type information.");
    } else if (!type.equals("LineString")) {
        throw new CodecConfigurationException(format("Invalid LineString, found type '%s'.", type));
    } else if (coordinates == null) {
        throw new CodecConfigurationException("Invalid LineString, missing coordinates.");
    }
    return crs != null ? new LineString(crs, coordinates) : new LineString(coordinates);
}

Example 3 with LineString

use of com.mongodb.client.model.geojson.LineString in project mongo-java-driver by mongodb.

the class GeometryEncoderHelper method encodeGeometry.

@SuppressWarnings("unchecked")
static void encodeGeometry(final BsonWriter writer, final Geometry value, final EncoderContext encoderContext, final CodecRegistry registry) {
    writer.writeStartDocument();
    writer.writeString("type", value.getType().getTypeName());
    if (value instanceof GeometryCollection) {
        writer.writeName("geometries");
        encodeGeometryCollection(writer, (GeometryCollection) value, encoderContext, registry);
    } else {
        writer.writeName("coordinates");
        if (value instanceof Point) {
            encodePoint(writer, (Point) value);
        } else if (value instanceof MultiPoint) {
            encodeMultiPoint(writer, (MultiPoint) value);
        } else if (value instanceof Polygon) {
            encodePolygon(writer, (Polygon) value);
        } else if (value instanceof MultiPolygon) {
            encodeMultiPolygon(writer, (MultiPolygon) value);
        } else if (value instanceof LineString) {
            encodeLineString(writer, (LineString) value);
        } else if (value instanceof MultiLineString) {
            encodeMultiLineString(writer, (MultiLineString) value);
        } else {
            throw new CodecConfigurationException(format("Unsupported Geometry: %s", value));
        }
    }
    encodeCoordinateReferenceSystem(writer, value, encoderContext, registry);
    writer.writeEndDocument();
}