/// <summary>
/// Initializes a new instance of the <see cref="HandlerRegisteredArgs"/>
/// class.
/// </summary>
/// <param name="handler">The <see cref="LoadedHandler"/> loaded from
/// the factory.</param>
/// <exception cref="ArgumentNullException">handler is null.</exception>
public HandlerRegisteredArgs(LoadedHandler handler)
{
if (handler == null)
{
throw new ArgumentNullException("handler");
}
Handler = handler;
}
/// <summary>
/// Creates the appropriate results handler for the given
/// identifier.
/// </summary>
/// <param name="identifier">The identifier of the handler.</param>
/// <returns>The <see cref="IJobResultsHandler"/> associated with
/// the given identifier.</returns>
public IJobResultsHandler CreateHandler(string identifier)
{
if (_handlers.ContainsKey(identifier))
{
LoadedHandler h = _handlers[identifier];
return((IJobResultsHandler)h.Handler.Clone());
}
else
{
return(null);
}
}
/// <summary>
/// Registers a new handler within this factory
/// </summary>
/// <param name="t">The type of the handler</param>
/// <param name="id">The identifier for the handler</param>
private void _registerHandler(Type t, string id)
{
LoadedHandler h = new LoadedHandler((IJobResultsHandler)Activator.CreateInstance(t));
object[] nameAttr = t.GetCustomAttributes(typeof(DisplayNameAttribute), false);
if (nameAttr.Any() && nameAttr.First() is DisplayNameAttribute)
{
DisplayNameAttribute a = (DisplayNameAttribute)nameAttr[0];
h.DisplayName = a.DisplayName;
}
_handlers.Add(id, h);
if (HandlerRegistered != null)
{
HandlerRegistered(this, new HandlerRegisteredArgs(h));
}
}