private void CreateResponseBlocks()
{
CreateWriteStatusBlock();
_blocks.AddRange(PropertyCookieSetter.GetPropertyCookieSetters(_type, _handler, _context));
var redirectBehaviorInfo = new ResponseBehaviorInfo(typeof(object), typeof(Redirect2), Priority.High);
AddBehaviorBlock(redirectBehaviorInfo);
foreach (var behaviorInfo in ResponseBehaviorInfo.GetInPriorityOrder())
{
AddBehaviorBlock(behaviorInfo);
}
// Don't write response for HEAD requests
if ("HEAD".Equals(_httpMethod, StringComparison.OrdinalIgnoreCase))
{
return;
}
foreach (var behaviorInfo in OutputBehaviorInfo.GetInPriorityOrder())
{
// Only one Output block is going to be relevant
if (AddBehaviorBlock(behaviorInfo))
{
return;
}
}
// If we didn't trigger an Output, try writing a View.
_blocks.Add(Expression.Call(_methodLookup.WriteView, _handler, _context));
}
/// <summary>
/// Generates a compiled method to run a Handler.
/// </summary>
/// <returns>A compiled delegate to run the Handler asynchronously.</returns>
public Func <IContext, HandlerInfo, Task> BuildAsyncRunMethod(string httpMethod)
{
var blocks = new List <object>();
blocks.AddRange(CreateBlocks(GetSetupBehaviorInfos()));
var setCookieProperties = CookiePropertySetter.GetCookiePropertySetters(_handlerType, _handler, _context);
blocks.AddRange(setCookieProperties);
var second = new HandlerBlock(_handlerType, GetRunMethod(httpMethod));
blocks.Add(second);
var setPropertyCookies = PropertyCookieSetter.GetPropertyCookieSetters(_handlerType, _handler, _context);
blocks.AddRange(setPropertyCookies);
var redirectBehavior = new ResponseBehaviorInfo(typeof(object), typeof(Redirect2), Priority.High)
{
Universal = true
};
blocks.AddRange(CreateBlocks(GetResponseBehaviorInfos(redirectBehavior)));
var outputs = GetOutputBehaviorInfos().ToList();
if (outputs.Count > 0)
{
blocks.AddRange(CreateBlocks(outputs));
}
else
{
var writeViewBlock = new PipelineBlock();
writeViewBlock.Add(typeof(WriteView).GetMethod("Impl", BindingFlags.Static | BindingFlags.Public));
blocks.Add(writeViewBlock);
}
var call = BuildCallExpression(blocks);
var createHandler = BuildCreateHandlerExpression();
var lambdaBlock = Expression.Block(new[] { _handler }, new[] { createHandler, call });
var lambda = Expression.Lambda(lambdaBlock, _context, _handlerInfoVariable);
return((Func <IContext, HandlerInfo, Task>)lambda.Compile());
}