/// <summary>
/// Read <see cref="IJsonValue"/> to a string, the input JsonValue should be a string,
/// otherwise, throw unexpected value kind exception.
/// </summary>
/// <param name="jsonValue">The <see cref="IJsonValue"/> to parse from.</param>
/// <param name="jsonPath">The JSON path for current JSON node which owns this value.</param>
/// <returns>The string.</returns>
public static string ReadPrimitiveString(this IJsonValue jsonValue, IJsonPath jsonPath)
{
// EdmUtil.CheckArgumentNull(jsonValue, "jsonValue");
// EdmUtil.CheckArgumentNull(jsonPath, "jsonPath");
jsonValue.ValidateValueKind(JsonValueKind.Primitive, jsonPath);
JsonPrimitiveValue primitiveValue = (JsonPrimitiveValue)jsonValue;
if (primitiveValue.Value == null)
{
return(null);
}
if (primitiveValue.Value.GetType() == typeof(string))
{
return((string)primitiveValue.Value);
}
throw new Exception(/*Strings.JsonReader_CannotReadValueAsType(primitiveValue.Value, jsonPath.Path, "String")*/);
}
/// <summary>
/// Validates that the reader is positioned on the specified node type.
/// </summary>
/// <param name="jsonValue">The <see cref="IJsonValue"/> to read from.</param>
/// <param name="expectedKind">The expected JSON value kind.</param>
/// <param name="jsonPath">The JSON path for current JSON value.</param>
private static void ValidateValueKind(this IJsonValue jsonValue, JsonValueKind expectedKind, IJsonPath jsonPath)
{
Debug.Assert(jsonValue != null, "jsonValue != null");
Debug.Assert(jsonPath != null, "jsonPath != null");
if (jsonValue.ValueKind != expectedKind)
{
throw new Exception(/*Strings.JsonReader_UnexpectedJsonValueKind(jsonValue.ValueKind, jsonPath, expectedKind)*/);
}
}
