public IHttpHandler GetHttpHandler(RequestContext requestContext)
{
var appPathLower = requestContext.HttpContext.Request.AppRelativeCurrentExecutionFilePath.ToLower();
for (int i = 0; i < builderRegistry.Count; i++)
{
var brp = builderRegistry[i];
if (brp.Regex.IsMatch(appPathLower))
{
var pathData = new PathDataDictionary();
var match = brp.Regex.Match(appPathLower);
if (match.Groups.Count > 1)
{
for (int j = 1; j < match.Groups.Count; j++)
{
pathData.Add(brp.Regex.GroupNameFromNumber(j), match.Groups[j].Value);
}
}
var builderInstance = BuilderFactory.Create(brp.Builder, requestContext.HttpContext, pathData);
builderInstance.RouteId = brp.RouteId;
return(builderInstance);
}
}
if (RouteNotFoundBuilder != null)
{
return(BuilderFactory.Create(RouteNotFoundBuilder, requestContext.HttpContext, new PathDataDictionary()));
}
return(null);
}
public static BaseBuilder Create(Type builderType, HttpContextBase httpContext, PathDataDictionary pathData)
{
if (!builderType.IsSubclassOf(baseBuilderType))
{
return(null);
}
BuilderConstructorDelegate del;
if (builderConstructors.TryGetValue(builderType.FullName, out del))
{
return(del(httpContext, pathData));
}
DynamicMethod dynamicMethod = new DynamicMethod("CreateBaseBuilderInstance", builderType, constructorMethodArgs, builderType);
ILGenerator ilGenerator = dynamicMethod.GetILGenerator();
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Ldarg_1);
ilGenerator.Emit(OpCodes.Newobj, builderType.GetConstructor(constructorMethodArgs));
ilGenerator.Emit(OpCodes.Ret);
del = (BuilderConstructorDelegate)dynamicMethod.CreateDelegate(typeof(BuilderConstructorDelegate));
builderConstructors.TryAdd(builderType.FullName, del);
return(del(httpContext, pathData));
}
public static BaseBuilder Create(string identifier, HttpContextBase httpContext, PathDataDictionary pathData)
{
if (String.IsNullOrEmpty(identifier))
{
throw new ArgumentException("identifier can not be null or empty", identifier);
}
if (!builderRegistry.ContainsKey(identifier))
{
throw new ArgumentException("No Builder has been registered with the identifier: " + identifier);
}
return(Create(builderRegistry[identifier], httpContext, pathData));
}
protected BaseBuilder(HttpContextBase httpContext, PathDataDictionary pathData)
: base(httpContext)
{
PathData = pathData;
}
