public AppBuilder UseApp <TApp>(ChromelyApp chromelyApp = null) where TApp : ChromelyApp
{
_chromelyApp = chromelyApp;
if (_chromelyApp == null)
{
EnsureIsDerivedType(typeof(ChromelyApp), typeof(TApp));
_chromelyApp = (TApp)Activator.CreateInstance(typeof(TApp));
}
_stepCompleted = 1;
return(this);
}
public AppBuilder UseApp <T>(ChromelyApp chromelyApp = null) where T : ChromelyApp
{
if (_stepCompleted != 1)
{
throw new Exception("Invalid order: step 1: Contructor must be completed before step 2.");
}
_chromelyApp = chromelyApp;
if (_chromelyApp == null)
{
EnsureIsDerivedType(typeof(ChromelyApp), typeof(T));
_chromelyApp = (T)Activator.CreateInstance(typeof(T));
}
_stepCompleted = 2;
return(this);
}
public AppBuilder UseApp <T>(ChromelyApp chromelyApp = null) where T : ChromelyApp
{
if (_stepCompleted != 1)
{
throw new Exception("Step 1 must be completed before step 2.");
}
if (typeof(T).FullName.Equals(typeof(ChromelyApp).FullName, StringComparison.OrdinalIgnoreCase))
{
throw new Exception($"Type {typeof(T).Name} must implement ChromelyApp.");
}
_chromelyApp = chromelyApp;
if (_chromelyApp == null)
{
_chromelyApp = (T)Activator.CreateInstance(typeof(T));
}
_stepCompleted = 2;
return(this);
}