private void RouteRequest(HttpListenerContext context)
{
Console.WriteLine($"Request received from '{context.Request.RemoteEndPoint}'.");
var path = context.Request.Url.AbsolutePath;
if (path.StartsWith(RootPath))
{
path = path.Substring(RootPath.Length);
}
try {
HttpHandlerResult result;
if (Routes.TryFind(path, out RouteEvent routeAction))
{
try {
result = routeAction.Invoke(context);
}
catch (Exception error) {
result = HttpHandlerResult.Exception(error);
}
}
else
{
result = HttpHandlerResult.NotFound()
.SetText($"No handler found matching path '{path}'!");
}
result.Apply(context);
}
finally {
try {
context.Response.Close();
}
catch {}
}
}
public void Scan(Assembly assembly)
{
var typeList = assembly.DefinedTypes
.Where(t => t.IsClass && !t.IsAbstract);
foreach (var classType in typeList)
{
var attr = classType.GetCustomAttribute <HttpHandlerAttribute>();
if (attr == null)
{
continue;
}
RouteList[attr.Path] = (context) => {
var handler = Activator.CreateInstance(classType) as HttpHandler;
if (handler == null)
{
throw new ApplicationException($"Unable to construct HttpHandler implementation '{classType.Name}'!");
}
HttpHandlerResult result = null;
switch (context.Request.HttpMethod.ToUpper())
{
case "GET":
result = handler.Get(context);
break;
case "POST":
result = handler.Post(context);
break;
}
return(result);
};
}
}
public HttpHandlerResult NotFound()
{
return(HttpHandlerResult.NotFound());
}
public HttpHandlerResult ExternalView(string name, object param)
{
return(HttpHandlerResult.ExternalView(name, param));
}
public HttpHandlerResult Ok()
{
return(HttpHandlerResult.Ok());
}
