|   |  | 1 |  | // Copyright (c) Microsoft Corporation. All rights reserved. | 
|   |  | 2 |  | // Licensed under the MIT License. | 
|   |  | 3 |  |  | 
|   |  | 4 |  | using System.Buffers; | 
|   |  | 5 |  | using System.Collections.Generic; | 
|   |  | 6 |  | using System.Collections.ObjectModel; | 
|   |  | 7 |  | using System.IO; | 
|   |  | 8 |  | using System.Linq; | 
|   |  | 9 |  | using System.Text; | 
|   |  | 10 |  | using System.Text.Json; | 
|   |  | 11 |  |  | 
|   |  | 12 |  | namespace Azure.Core.GeoJson | 
|   |  | 13 |  | { | 
|   |  | 14 |  |     /// <summary> | 
|   |  | 15 |  |     /// A base type for all spatial types. | 
|   |  | 16 |  |     /// </summary> | 
|   |  | 17 |  |     public abstract class GeoObject | 
|   |  | 18 |  |     { | 
|   | 2 | 19 |  |         internal static readonly IReadOnlyDictionary<string, object?> DefaultProperties = new ReadOnlyDictionary<string, | 
|   |  | 20 |  |         private string? _serialized; | 
|   |  | 21 |  |  | 
|   |  | 22 |  |         /// <summary> | 
|   |  | 23 |  |         /// Initializes a new instance of <see cref="GeoObject"/>. | 
|   |  | 24 |  |         /// </summary> | 
|   |  | 25 |  |         /// <param name="boundingBox">The <see cref="GeoBoundingBox"/> to use.</param> | 
|   |  | 26 |  |         /// <param name="additionalProperties">The set of additional properties associated with the <see cref="GeoObject | 
|   | 370 | 27 |  |         protected GeoObject(GeoBoundingBox? boundingBox, IReadOnlyDictionary<string, object?> additionalProperties) | 
|   |  | 28 |  |         { | 
|   | 370 | 29 |  |             Argument.AssertNotNull(additionalProperties, nameof(additionalProperties)); | 
|   |  | 30 |  |  | 
|   | 370 | 31 |  |             BoundingBox = boundingBox; | 
|   | 370 | 32 |  |             AdditionalProperties = additionalProperties; | 
|   | 370 | 33 |  |         } | 
|   |  | 34 |  |  | 
|   |  | 35 |  |         /// <summary> | 
|   |  | 36 |  |         /// Represents information about the coordinate range of the <see cref="GeoObject"/>. | 
|   |  | 37 |  |         /// </summary> | 
|   | 158 | 38 |  |         public GeoBoundingBox? BoundingBox { get; } | 
|   |  | 39 |  |  | 
|   |  | 40 |  |         /// <summary> | 
|   |  | 41 |  |         /// Gets a dictionary of additional properties associated with the <see cref="GeoObject"/>. | 
|   |  | 42 |  |         /// </summary> | 
|   | 162 | 43 |  |         public IReadOnlyDictionary<string, object?> AdditionalProperties { get; } | 
|   |  | 44 |  |  | 
|   |  | 45 |  |         /// <summary> | 
|   |  | 46 |  |         /// Converts an instance of <see cref="GeoObject"/> to a GeoJSON representation. | 
|   |  | 47 |  |         /// </summary> | 
|   |  | 48 |  |         /// <returns></returns> | 
|   |  | 49 |  |         public override string ToString() | 
|   |  | 50 |  |         { | 
|   | 0 | 51 |  |             if (_serialized == null) | 
|   |  | 52 |  |             { | 
|   | 0 | 53 |  |                 using MemoryStream stream = new MemoryStream(); | 
|   | 0 | 54 |  |                 using Utf8JsonWriter writer = new Utf8JsonWriter(stream); | 
|   | 0 | 55 |  |                 GeoJsonConverter.Write(writer, this); | 
|   | 0 | 56 |  |                 _serialized = Encoding.UTF8.GetString(stream.ToArray()); | 
|   |  | 57 |  |             } | 
|   |  | 58 |  |  | 
|   | 0 | 59 |  |             return _serialized; | 
|   |  | 60 |  |         } | 
|   |  | 61 |  |  | 
|   |  | 62 |  |         /// <summary> | 
|   |  | 63 |  |         /// Parses an instance of see <see cref="GeoObject"/> from provided JSON representation. | 
|   |  | 64 |  |         /// </summary> | 
|   |  | 65 |  |         /// <param name="json">The GeoJSON representation of an object.</param> | 
|   |  | 66 |  |         /// <returns>The resulting <see cref="GeoObject"/> object.</returns> | 
|   |  | 67 |  |         public static GeoObject Parse(string json) | 
|   |  | 68 |  |         { | 
|   | 0 | 69 |  |             using JsonDocument jsonDocument = JsonDocument.Parse(json); | 
|   | 0 | 70 |  |             return GeoJsonConverter.Read(jsonDocument.RootElement); | 
|   | 0 | 71 |  |         } | 
|   |  | 72 |  |     } | 
|   |  | 73 |  | } |