public ServiceUnitResponse Execute(ServiceUnitContext suContext, IUriProcessResolver resolver)
{
Contract.NotNull(suContext, "suContext");
Contract.NotNull(resolver, "resolver");
using (var logger = new TraceLogger(suContext))
{
return(ExecuteInternal(suContext, resolver));
}
}
private ServiceUnitResponse ExecuteInternal(ServiceUnitContext suContext, IUriProcessResolver resolver)
{
var executionType = resolver.GetExecutionType(suContext);
ServiceUnitResponse response = null;
if (executionType == null)
{
response = new ServiceUnitResponse(HttpStatusCode.NotFound);
HandleError(suContext, resolver, response);
return(response);
}
var instance = resolver.CreateInstance(suContext, executionType);
if (instance == null)
{
response = new ServiceUnitResponse(HttpStatusCode.NotFound);
HandleError(suContext, resolver, response);
return(response);
}
var action = resolver.GetAction(suContext, instance);
if (action == null)
{
response = new ServiceUnitResponse(HttpStatusCode.NotFound);
HandleError(suContext, resolver, response);
return(response);
}
try
{
response = resolver.InvokeAction(suContext, action);
if (response == null)
{
return(new ServiceUnitResponse(HttpStatusCode.NotFound));
}
if (response.StatusCode != HttpStatusCode.OK)
{
HandleError(suContext, resolver, response);
}
}
catch (Exception ex)
{
WriteErrorLog(suContext, ex);
return(HandleError(suContext, resolver, new ServiceUnitResponse(HttpStatusCode.InternalServerError)
{
Data = ex
}));
}
return(response);
}
private ServiceUnitResponse HandleError(ServiceUnitContext context,
IUriProcessResolver resolver,
ServiceUnitResponse response)
{
if (resolver != null)
{
foreach (var handler in resolver.HandleErrorPipeline)
{
handler.Invoke(context, response);
}
}
return(response);
}
public static void SetUriProcessResolver(this HttpRequestMessage request, IUriProcessResolver target)
{
request.Properties.Add(UriProcessResolverKey, target);
}