public void Read_action_property_and_create_the_corresponding_object_from_json()
{
// Json.Net requires you know the .NET object type when attempting to deserialize the json
// This method inspects the XenMessage's action property, and creates an object of that type.
var json = @"{
'stringProperty': 'Michael Davis',
'intProperty': 31,
'time': '2015-05-03T00:00:00',
'action': 'SomeXenMessage',
'messageId': '123'
}";
var finder = new XenMessageFinder();
// Act
XenMessage msg;
var created = XenMessage.TryParseFromAction(finder, json, out msg);
Assert.IsTrue(created, "The json did not parse.");
Assert.IsInstanceOf <SomeXenMessage>(msg, "The resultant XenMessage was not the right type.");
var castedMsg = msg as SomeXenMessage;
if (castedMsg == null)
{
Assert.Fail("Stopping test execution for failed conversion.");
}
Assert.IsTrue
(
castedMsg.IntProperty == 31 && castedMsg.StringProperty == "Michael Davis",
"Property inspection failed."
);
}
/// <summary>
/// Return the corresponding XenMessage.
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
private XenMessage Parse(string message)
{
XenMessage request = null;
if (!string.IsNullOrWhiteSpace(message))
{
XenMessage.TryParseFromAction(_messageFinder, message, out request);
}
return(request);
}
/// <summary>
/// Send the <paramref name="message"/> to the appropriate <see cref="ToolboxAction"/> for execution.
/// </summary>
/// <param name="message"></param>
/// <param name="next"></param>
/// <returns>
/// True if the message was executed; otherwise, false.
/// </returns>
public override bool Queue(string message, Action <XenMessage> next = null)
{
_callback = next;
var parsed = false;
var executed = false;
XenMessage xMessage = null;
if (string.IsNullOrWhiteSpace(message))
{
parsed = false;
}
else
{
parsed = XenMessage.TryParseFromAction(MessageFinder, message, out xMessage);
}
if (parsed)
{
var matches = Registrar.FindAll(r => r.Message.Name.Equals(xMessage.Action));
if (matches.Count == 0)
{
ExecuteNextMessage(xMessage);
}
foreach (var match in matches)
{
var action = Activator.CreateInstance(match.Action) as ToolboxAction;
if (action == null)
{
continue;
}
GetServices?.Invoke(action);
action.Execute(xMessage);
executed = true;
ExecuteNextMessage(xMessage);
}
}
if (!executed)
{
Log.Warn("A received message was not dispatched.");
}
return(executed);
}
