/// <summary> /// Reads the json object value from the jsonReader /// </summary> /// <param name="jsonReader">Json reader to read payload from the wire.</param> /// <param name="insideJsonObjectValue">true if the reader is positioned on the first property of the value which is a JSON Object /// (or the second property if the first one was odata.type).</param> /// <param name="inputContext">The input context with all the settings.</param> /// <param name="recursionDepth">The recursion depth to start with.</param> /// <returns>an instance of IDictionary containing the spatial value.</returns> private static IDictionary <string, object> ReadObjectValue(JsonReader jsonReader, bool insideJsonObjectValue, ODataInputContext inputContext, int recursionDepth) { Debug.Assert(jsonReader != null, "jsonReader != null"); Debug.Assert(insideJsonObjectValue || jsonReader.NodeType == JsonNodeType.StartObject, "insideJsonObjectValue || jsonReader.NodeType == JsonNodeType.StartObject"); Debug.Assert( !insideJsonObjectValue || jsonReader.NodeType == JsonNodeType.Property || jsonReader.NodeType == JsonNodeType.EndObject, "!insideJsonObjectValue || jsonReader.NodeType == JsonNodeType.Property || jsonReader.NodeType == JsonNodeType.EndObject"); Debug.Assert(inputContext != null, "inputContext != null"); ValidationUtils.IncreaseAndValidateRecursionDepth(ref recursionDepth, inputContext.MessageReaderSettings.MessageQuotas.MaxNestingDepth); IDictionary <string, object> jsonValue = new Dictionary <string, object>(StringComparer.Ordinal); if (!insideJsonObjectValue) { // Note that if the insideJsonObjectValue is true we will ignore the odata.type instance annotation // which might have been there. This is OK since for spatial we only need the normal properties anyway. jsonReader.ReadNext(); } while (jsonReader.NodeType != JsonNodeType.EndObject) { // read the property name string propertyName = jsonReader.ReadPropertyName(); // read the property value object propertyValue = null; switch (jsonReader.NodeType) { case JsonNodeType.PrimitiveValue: propertyValue = jsonReader.ReadPrimitiveValue(); break; case JsonNodeType.StartArray: propertyValue = ReadArrayValue(jsonReader, inputContext, recursionDepth); break; case JsonNodeType.StartObject: propertyValue = ReadObjectValue(jsonReader, /*insideJsonObjectValue*/ false, inputContext, recursionDepth); break; default: Debug.Assert(false, "We should never reach here - There should be matching end element"); return(null); } jsonValue.Add(ODataAnnotationNames.RemoveAnnotationPrefix(propertyName), propertyValue); } jsonReader.ReadEndObject(); return(jsonValue); }
/// <summary> /// Read the json array from the reader. /// </summary> /// <param name="jsonReader">JsonReader instance.</param> /// <param name="inputContext">The input context with all the settings.</param> /// <param name="recursionDepth">The recursion depth to start with.</param> /// <returns>a list of json objects.</returns> private static IEnumerable <object> ReadArrayValue(JsonReader jsonReader, ODataInputContext inputContext, int recursionDepth) { Debug.Assert(jsonReader != null, "jsonReader != null"); Debug.Assert(jsonReader.NodeType == JsonNodeType.StartArray, "jsonReader.NodeType == JsonNodeType.StartArray"); Debug.Assert(inputContext != null, "inputContext != null"); ValidationUtils.IncreaseAndValidateRecursionDepth(ref recursionDepth, inputContext.MessageReaderSettings.MessageQuotas.MaxNestingDepth); List <object> array = new List <object>(); jsonReader.ReadNext(); while (jsonReader.NodeType != JsonNodeType.EndArray) { switch (jsonReader.NodeType) { case JsonNodeType.PrimitiveValue: array.Add(jsonReader.ReadPrimitiveValue()); break; case JsonNodeType.StartObject: array.Add(ReadObjectValue(jsonReader, /*insideJsonObjectValue*/ false, inputContext, recursionDepth)); break; case JsonNodeType.StartArray: array.Add(ReadArrayValue(jsonReader, inputContext, recursionDepth)); break; default: Debug.Assert(false, "We should never have got here - the valid states in array are primitive value or object"); return(null); } } jsonReader.ReadEndArray(); return(array); }
/// <summary> /// Read the json array from the reader. /// </summary> /// <param name="jsonReader">JsonReader instance.</param> /// <param name="inputContext">The input context with all the settings.</param> /// <param name="recursionDepth">The recursion depth to start with.</param> /// <returns>a list of json objects.</returns> private static IEnumerable<object> ReadArrayValue(JsonReader jsonReader, ODataInputContext inputContext, int recursionDepth) { Debug.Assert(jsonReader != null, "jsonReader != null"); Debug.Assert(jsonReader.NodeType == JsonNodeType.StartArray, "jsonReader.NodeType == JsonNodeType.StartArray"); Debug.Assert(inputContext != null, "inputContext != null"); ValidationUtils.IncreaseAndValidateRecursionDepth(ref recursionDepth, inputContext.MessageReaderSettings.MessageQuotas.MaxNestingDepth); List<object> array = new List<object>(); jsonReader.ReadNext(); while (jsonReader.NodeType != JsonNodeType.EndArray) { switch (jsonReader.NodeType) { case JsonNodeType.PrimitiveValue: array.Add(jsonReader.ReadPrimitiveValue()); break; case JsonNodeType.StartObject: array.Add(ReadObjectValue(jsonReader, /*insideJsonObjectValue*/ false, inputContext, recursionDepth)); break; case JsonNodeType.StartArray: array.Add(ReadArrayValue(jsonReader, inputContext, recursionDepth)); break; default: Debug.Assert(false, "We should never have got here - the valid states in array are primitive value or object"); return null; } } jsonReader.ReadEndArray(); return array; }
/// <summary> /// Reads the json object value from the jsonReader /// </summary> /// <param name="jsonReader">Json reader to read payload from the wire.</param> /// <param name="insideJsonObjectValue">true if the reader is positioned on the first property of the value which is a JSON Object /// (or the second property if the first one was odata.type).</param> /// <param name="inputContext">The input context with all the settings.</param> /// <param name="recursionDepth">The recursion depth to start with.</param> /// <returns>an instance of IDictionary containing the spatial value.</returns> private static IDictionary<string, object> ReadObjectValue(JsonReader jsonReader, bool insideJsonObjectValue, ODataInputContext inputContext, int recursionDepth) { Debug.Assert(jsonReader != null, "jsonReader != null"); Debug.Assert(insideJsonObjectValue || jsonReader.NodeType == JsonNodeType.StartObject, "insideJsonObjectValue || jsonReader.NodeType == JsonNodeType.StartObject"); Debug.Assert( !insideJsonObjectValue || jsonReader.NodeType == JsonNodeType.Property || jsonReader.NodeType == JsonNodeType.EndObject, "!insideJsonObjectValue || jsonReader.NodeType == JsonNodeType.Property || jsonReader.NodeType == JsonNodeType.EndObject"); Debug.Assert(inputContext != null, "inputContext != null"); ValidationUtils.IncreaseAndValidateRecursionDepth(ref recursionDepth, inputContext.MessageReaderSettings.MessageQuotas.MaxNestingDepth); IDictionary<string, object> jsonValue = new Dictionary<string, object>(StringComparer.Ordinal); if (!insideJsonObjectValue) { // Note that if the insideJsonObjectValue is true we will ignore the odata.type instance annotation // which might have been there. This is OK since for spatial we only need the normal properties anyway. jsonReader.ReadNext(); } while (jsonReader.NodeType != JsonNodeType.EndObject) { // read the property name string propertyName = jsonReader.ReadPropertyName(); // read the property value object propertyValue = null; switch (jsonReader.NodeType) { case JsonNodeType.PrimitiveValue: propertyValue = jsonReader.ReadPrimitiveValue(); break; case JsonNodeType.StartArray: propertyValue = ReadArrayValue(jsonReader, inputContext, recursionDepth); break; case JsonNodeType.StartObject: propertyValue = ReadObjectValue(jsonReader, /*insideJsonObjectValue*/ false, inputContext, recursionDepth); break; default: Debug.Assert(false, "We should never reach here - There should be matching end element"); return null; } jsonValue.Add(ODataAnnotationNames.RemoveAnnotationPrefix(propertyName), propertyValue); } jsonReader.ReadEndObject(); return jsonValue; }