/// <summary>
/// Raise an event in a thread-safe manner, with the required null check. Lazily creates event args.
/// </summary>
/// <typeparam name="T">The event args type.</typeparam>
/// <param name="eventToRaise">The event to raise.</param>
/// <param name="sender">The event sender.</param>
/// <param name="getEventArgs">The delegate to return the event args if needed.</param>
public static void Raise <T>(EventHandler <T> eventToRaise, object sender, GetEventArgs <T> getEventArgs) where T : System.EventArgs
{
if (eventToRaise != null)
{
eventToRaise(sender, getEventArgs());
}
}
//***********************************************************************************************************************
//***********************************************************************************************************************
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="EventToRaise"></param>
/// <param name="Sender"></param>
/// <param name="GetEventArgs"></param>
//-----------------------------------------------------------------------------------------------------------------------
public static void Raise <T> (EventHandler <T> EventToRaise, object Sender, GetEventArgs <T> GetEventArgs) where T : EventArgs
{
//-------------------------------------------------------------------------------------------------------------------
if (EventToRaise != null)
{
EventToRaise(Sender, GetEventArgs());
}
//-------------------------------------------------------------------------------------------------------------------
}
protected bool ProcessGetSchema(HttpListenerContext context)
{
GetEventArgs eventArgs = new GetEventArgs()
{
AskedDate = DateTime.Now, AskedUrl = context.Request.Url
};
bool result = true;
try
{
DateTime currDate = DateTime.Now;
string strItem = null;
if (ExposeDataModel)
{
context.Response.ContentType = "application/json";
strItem = JsonSerializer.Serialize(Schemas);
}
else
{
context.Response.ContentType = "text/plain";
strItem = " ";
}
byte[] buffer = Encoding.UTF8.GetBytes(strItem);
int bytesCount = buffer.Length;
//Adding permanent http response headers
context.Response.ContentLength64 = bytesCount;
context.Response.AddHeader("Date", currDate.ToString("r"));
context.Response.AddHeader("Last-Modified", currDate.ToString("r"));
context.Response.OutputStream.Write(buffer, 0, bytesCount);
context.Response.OutputStream.Flush();
}
catch (Exception)
{
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
result = false;
}
eventArgs.EndDate = DateTime.Now;
eventArgs.ResponseHttpStatusCode = (HttpStatusCode)context.Response.StatusCode;
OnGetAction(eventArgs);
return(result);
}
protected bool ProcessGet(HttpListenerContext context)
{
GetEventArgs eventArgs = new GetEventArgs()
{
AskedDate = DateTime.Now, AskedUrl = context.Request.Url
};
bool result;
if (AllowGet)
{
result = ProcessGetSql(context, GetQuery(context.Request.QueryString));
}
else
{
result = Process403(context);
}
eventArgs.EndDate = DateTime.Now;
eventArgs.ResponseHttpStatusCode = (HttpStatusCode)context.Response.StatusCode;
OnGetAction(eventArgs);
return(result);
}
protected bool ProcessGet(HttpListenerContext context)
{
GetEventArgs eventArgs = new GetEventArgs()
{
AskedDate = DateTime.Now, AskedUrl = context.Request.Url
};
bool result = true;
try
{
PrepareResponse(context);
}
catch
{
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
result = false;
}
eventArgs.EndDate = DateTime.Now;
eventArgs.ResponseHttpStatusCode = (HttpStatusCode)context.Response.StatusCode;
OnGetAction(eventArgs);
return(result);
}
protected virtual void OnGetAction(GetEventArgs e)
{
OnGet?.Invoke(this, e);
}
public static void Raise <T>(EventHandler <T> eventToRaise, object sender, GetEventArgs <T> getEventArgs)
where T : EventArgs
{
eventToRaise?.Invoke(sender, getEventArgs());
}
