private static ActionExecutedContext InvokeActionFilter(IActionFilter filter,
ActionExecutionContext context, Func<ActionExecutedContext> continuation)
{
filter.OnExecuting(context);
if (context.Cancel)
return new ActionExecutedContext(context, null) {
Result = context.Result
};
bool wasError = false;
ActionExecutedContext postContext = null;
try
{
postContext = continuation();
}
catch (Exception ex)
{
wasError = true;
postContext = new ActionExecutedContext(context, ex);
filter.OnExecuted(postContext);
if (!postContext.ExceptionHandled)
throw;
}
if (!wasError)
filter.OnExecuted(postContext);
return postContext;
}
private static ActionExecutedContext InvokeActionFilter(IActionFilter filter,
ActionExecutionContext context, Func <ActionExecutedContext> continuation)
{
filter.OnExecuting(context);
if (context.Cancel)
{
return new ActionExecutedContext(context, null)
{
Result = context.Result
}
}
;
bool wasError = false;
ActionExecutedContext postContext = null;
try
{
postContext = continuation();
}
catch (Exception ex)
{
wasError = true;
postContext = new ActionExecutedContext(context, ex);
filter.OnExecuted(postContext);
if (!postContext.ExceptionHandled)
{
throw;
}
}
if (!wasError)
{
filter.OnExecuted(postContext);
}
return(postContext);
}
protected static Func <ActionExecutedContext> InvokeActionFilterAsynchronously(IActionFilter filter,
ActionExecutionContext preContext, Func <Func <ActionExecutedContext> > next)
{
filter.OnExecuting(preContext);
if (preContext.Result != null)
{
ActionExecutedContext shortCircuitedPostContext = new ActionExecutedContext(preContext, null)
{
Result = preContext.Result
};
return(() => shortCircuitedPostContext);
}
try
{
Func <ActionExecutedContext> continuation = next();
return(() => {
ActionExecutedContext postContext;
bool wasError = true;
try
{
postContext = continuation();
wasError = false;
}
catch (ThreadAbortException)
{
postContext = new ActionExecutedContext(preContext, null);
filter.OnExecuted(postContext);
throw;
}
catch (Exception ex)
{
postContext = new ActionExecutedContext(preContext, ex);
filter.OnExecuted(postContext);
if (!postContext.ExceptionHandled)
{
throw;
}
}
if (!wasError)
{
filter.OnExecuted(postContext);
}
return postContext;
});
}
catch (ThreadAbortException)
{
ActionExecutedContext postContext =
new ActionExecutedContext(preContext, null);
filter.OnExecuted(postContext);
throw;
}
catch (Exception ex)
{
ActionExecutedContext postContext = new ActionExecutedContext(preContext, ex);
filter.OnExecuted(postContext);
if (postContext.ExceptionHandled)
{
return(() => postContext);
}
throw;
}
}
protected static Func<ActionExecutedContext> InvokeActionFilterAsynchronously(IActionFilter filter,
ActionExecutionContext preContext, Func<Func<ActionExecutedContext>> next)
{
filter.OnExecuting(preContext);
if (preContext.Result != null)
{
ActionExecutedContext shortCircuitedPostContext = new ActionExecutedContext(preContext, null) {
Result = preContext.Result
};
return () => shortCircuitedPostContext;
}
try
{
Func<ActionExecutedContext> continuation = next();
return () => {
ActionExecutedContext postContext;
bool wasError = true;
try
{
postContext = continuation();
wasError = false;
}
catch (ThreadAbortException)
{
postContext = new ActionExecutedContext(preContext, null);
filter.OnExecuted(postContext);
throw;
}
catch (Exception ex)
{
postContext = new ActionExecutedContext(preContext, ex);
filter.OnExecuted(postContext);
if (!postContext.ExceptionHandled)
throw;
}
if (!wasError)
filter.OnExecuted(postContext);
return postContext;
};
}
catch (ThreadAbortException)
{
ActionExecutedContext postContext =
new ActionExecutedContext(preContext, null);
filter.OnExecuted(postContext);
throw;
}
catch (Exception ex)
{
ActionExecutedContext postContext = new ActionExecutedContext(preContext, ex);
filter.OnExecuted(postContext);
if (postContext.ExceptionHandled)
return () => postContext;
throw;
}
}