/// <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;
}
