internal HttpLimitedMultiProcessor(HttpService reference)
{
_reference = reference;
_internalPreManipulators = new HttpManipulatorCollection <RoutedContext>();
_internalPostManipulators = new HttpManipulatorCollection <RoutedContext>();
_preManipulators = new HttpManipulatorCollection <RoutedContext>();
_postManipulators = new HttpManipulatorCollection <RoutedContext>();
_ops = new HttpProcessorOperations(_reference);
}
public void ProcessHttpRequest(RoutedContext context, HttpManipulatorCollection <RoutedContext> internalPreManipulators, HttpManipulatorCollection <RoutedContext> preManipulators, HttpManipulatorCollection <RoutedContext> internalPostManipulators, HttpManipulatorCollection <RoutedContext> postManipulators)
{
try
{
//execute pre manipulators first
internalPreManipulators.Manipulate(context);
preManipulators.Manipulate(context);
//extract routing information
RoutingEntry entry = context.RoutingEntry;
MethodInfo method = entry.MethodInfo;
HttpController controller = entry.HttpController;
//prepare parameter list
IList <string> variables = ExtractPathVariables(entry.Path, context.Context.Request.Path);
object[] parameters = new object[1 + variables.Count]; //prepare parameter list for invocation
parameters[0] = context.Context; //the first parameter is always the context object
//followed by the extracted URL variables:
for (int i = 0; i < variables.Count; i++)
{
parameters[i + 1] = variables[i];
}
//invoke method
method.Invoke(controller, parameters);
//post processing
internalPostManipulators.Manipulate(context);
postManipulators.Manipulate(context);
}
catch (HttpRequestException hre) //this might never be the case, as HttpRequestException is always an inner exeception
{
if (!String.IsNullOrWhiteSpace(hre.ErrorMessage))
{
context.Context.Response.Payload.Write(hre.ErrorMessage);
if (!String.IsNullOrWhiteSpace(hre.ContentType))
{
context.Context.Response.Headers.Set("Content-Type", hre.ContentType);
}
else
{
context.Context.Response.Headers.Set("Content-Type", MimeType.TEXT_PLAN);
}
}
context.Context.Response.Status = hre.Status;
}
catch (Exception e)
{
if (e.InnerException is HttpRequestException)
{
HttpRequestException hre = (HttpRequestException)e.InnerException;
if (!String.IsNullOrWhiteSpace(hre.ErrorMessage))
{
context.Context.Response.Payload.Write(hre.ErrorMessage);
if (!String.IsNullOrWhiteSpace(hre.ContentType))
{
context.Context.Response.Headers.Set("Content-Type", hre.ContentType);
}
else
{
context.Context.Response.Headers.Set("Content-Type", MimeType.TEXT_PLAN);
}
}
context.Context.Response.Status = hre.Status;
}
else
{
if (e.InnerException != null && !String.IsNullOrEmpty(e.InnerException.Message))
{
context.Context.Response.Payload.Write(e.InnerException.Message);
}
else
{
context.Context.Response.Payload.Write(e.Message);
}
context.Context.Response.Headers.Set("Content-Type", MimeType.TEXT_PLAN);
context.Context.Response.Status = HttpStatus.InternalServerError;
}
}
/*
* //invoke method:
* HttpContext httpContext = (HttpContext)
*
* /*
* if (httpContext == null)
* {
* httpContext = context.Context;
* httpContext.Response.Status = HttpStatus.InternalServerError;
* //TODO: set Content with error
* }
*
* return httpContext;
*/
}
public HttpRouter(HttpService reference)
{
_reference = reference;
_manipulators = new HttpManipulatorCollection <HttpContext>();
}
