/// <summary>
/// Deserializes provided json string into a <see cref="WebMessageDTO{T}"/> object.
/// Before attempting to invoke this method on an aquired web message you should first use <see cref="TryParseRequest"/>
/// to check if it is a web request instead of a json web message.
/// This method also verifies that the type of the web message data is appropriate for its <see cref="WebMessageType"/>.
/// Throws an exception if the deserialization fails.
/// </summary>
/// <param name="jsonData">A json string representation of <see cref="WebMessageDTO{T}"/>.</param>
/// <returns>A valid <see cref="WebMessageDTO{T}"/> instance.</returns>
public WebMessageDTO <object> DeserializeWebMessage(string jsonData)
{
if (string.IsNullOrWhiteSpace(jsonData))
{
throw new ArgumentException("Provided JSON data is either empty or null!");
}
WebMessageType messageType = GetMessageType(jsonData);
if (!MessageDataTypes.ContainsKey(messageType))
{
throw new InvalidEnumArgumentException($"Encountered unsupported message type '{messageType}'!");
}
Type genericType = MessageDTOTypes[messageType];
return(RecastDeserializedMessage(JsonConvert.DeserializeObject(jsonData, genericType, SerializerSettings)));
}
/// <summary>
/// Returns a json string representing a <see cref="WebMessageDTO{T}"/> with given <see cref="WebMessageType"/> and <see cref="data"/> object.
/// Throws an exception if provided data is null or of an invalid type.
/// </summary>
/// <param name="messageType">Web message type.</param>
/// <param name="data">Web message data.</param>
/// <returns>A json string representing a <see cref="WebMessageDTO{T}"/>.</returns>
public string SerializeWebMessage(WebMessageType messageType, object data)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
if (!MessageDataTypes.ContainsKey(messageType))
{
throw new InvalidEnumArgumentException($"Encountered unsupported message type '{messageType}'!");
}
Type dataType = MessageDataTypes[messageType];
if (data.GetType() != dataType && !data.GetType().IsInstanceOfType(dataType))
{
throw new ArgumentException($"Invalid data type! Expected {dataType}, got {data.GetType()}.");
}
Type genericType = MessageDTOTypes[messageType];
return(JsonConvert.SerializeObject(
Activator.CreateInstance(genericType, messageType, data), SerializerSettings));
}
public MessageDataTypesCreateOrUpdateCommand(MessageDataTypes ent)
{
this.ent = ent;
}
