/// <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>
/// Read <see cref="IJsonValue"/> to a string.
/// </summary>
/// <param name="jsonValue">The <see cref="IJsonValue"/> to parse from.</param>
/// <returns>The string.</returns>
public static string ReadAsJsonString(this IJsonValue jsonValue)
{
if (jsonValue == null)
{
throw new ArgumentNullException("jsonValue");
}
// TODO: convert to use IJsonWriter
if (jsonValue.ValueKind == JsonValueKind.Array)
{
bool first = true;
JsonArrayValue arrayValue = (JsonArrayValue)jsonValue;
StringBuilder sb = new StringBuilder("[");
foreach (var item in arrayValue)
{
if (first)
{
first = false;
}
else
{
sb.Append(",");
}
sb.Append(item.ReadAsJsonString());
}
sb.Append("]");
return(sb.ToString());
}
else if (jsonValue.ValueKind == JsonValueKind.Object)
{
JsonObjectValue objectValue = (JsonObjectValue)jsonValue;
StringBuilder sb = new StringBuilder("{");
bool first = true;
foreach (var property in objectValue)
{
if (first)
{
first = false;
}
else
{
sb.Append(",");
}
sb.Append("\"" + property.Key + "\":");
sb.Append(property.Value.ReadAsJsonString());
}
sb.Append("}");
return(sb.ToString());
}
else
{
JsonPrimitiveValue primitiveValue = (JsonPrimitiveValue)jsonValue;
if (primitiveValue.Value == null)
{
return("null");
}
Type type = primitiveValue.Value.GetType();
if (type == typeof(bool))
{
bool boolValue = (bool)primitiveValue.Value;
if (boolValue)
{
return("true");
}
return("false");
}
if (type == typeof(int))
{
int intValue = (int)primitiveValue.Value;
return(intValue.ToString(CultureInfo.InvariantCulture));
}
if (type == typeof(decimal))
{
decimal decimalValue = (decimal)primitiveValue.Value;
return(decimalValue.ToString(CultureInfo.InvariantCulture));
}
if (type == typeof(double))
{
double doubleValue = (double)primitiveValue.Value;
return(doubleValue.ToString(CultureInfo.InvariantCulture));
}
return("\"" + primitiveValue.Value.ToString() + "\"");
}
}
