/// <summary>
/// 根据UrlActionInfo收集到的命名空间及类名计算ServiceController的全名
/// 如果希望在URL中使用简短或者缩写的命名空间，可以重写这个方法
/// </summary>
/// <param name="info">UrlActionInfo的实例</param>
/// <returns></returns>
public virtual string GetServiceFullName(UrlActionInfo info)
{
// 扩展点：允许自定义判断ServiceController的实现方式
return(info.Namesapce
+ (string.IsNullOrEmpty(info.Namesapce) ? string.Empty : ".")
+ EnsureServicePostfix(info.ClassName));
}
/// <summary>
/// 根据一个Action的调用信息（类名与方法名），返回内部表示的调用信息。
/// </summary>
/// <param name="info"></param>
/// <returns></returns>
public InvokeInfo GetActionInvokeInfo(UrlActionInfo info)
{
if (info == null)
{
throw new ArgumentNullException("info");
}
HttpRequest request = _context.Request;
if (info.Action == null)
{
info.Action = info.MethodName;
}
if (info.Controller == null)
{
info.Namesapce = GetNamespaceMap(info.Namesapce);
info.Controller = s_recognizer.GetServiceFullName(info);
}
InvokeInfo vkInfo = new InvokeInfo();
vkInfo.Controller = info.ControllerDescription ?? GetServiceController(info.Controller);
if (vkInfo.Controller == null)
{
return(null);
}
vkInfo.Action = info.ActionDescription ?? GetServiceAction(vkInfo.Controller.ControllerType, info.Action);
if (vkInfo.Action == null)
{
return(null);
}
if (vkInfo.Action.MethodInfo.IsStatic)
{
throw new NotSupportedException("不支持静态的Action方法。");
}
vkInfo.Instance = ControllerFactory.GetController(vkInfo.Controller.ControllerType);
vkInfo.UrlActionInfo = info;
return(vkInfo);
}
internal IHttpHandler GetHttpHandler(HttpContext context, UrlActionInfo info)
{
if( context == null )
throw new ArgumentNullException("context");
if( info == null )
throw new ArgumentNullException("info");
// 获取内部表示的调用信息
ControllerResolver controllerResolver = new ControllerResolver(context);
InvokeInfo vkInfo = controllerResolver.GetActionInvokeInfo(info);
if( vkInfo == null ) {
IHttpHandler handler = Http404DebugModule.TryGetHttp404PageHandler(context);
if( handler != null )
return handler;
else
return null;
}
// 创建能够调用Action的HttpHandler
return ActionHandlerFactory.CreateHandler(vkInfo);
}
/// <summary>
/// 根据UrlActionInfo收集到的命名空间及类名计算ServiceController的全名
/// 如果希望在URL中使用简短或者缩写的命名空间，可以重写这个方法
/// </summary>
/// <param name="info">UrlActionInfo的实例</param>
/// <returns></returns>
public virtual string GetServiceFullName(UrlActionInfo info)
{
return(info.Namesapce
+ (string.IsNullOrEmpty(info.Namesapce) ? string.Empty : ".")
+ EnsureServicePostfix(info.ClassName));
}
internal UrlActionInfo GetUrlActionInfo(RouteData routeData, HttpContext context)
{
if( routeData == null )
throw new ArgumentNullException("routeData");
if( context == null )
throw new ArgumentNullException("context");
// 采用ASP.NET Routing后，这三个参数都应该可以直接获取到，
// 如果URL没有指定，可以通过默认值，或者DataToken指定，
// 所以不需要像RestServiceModule那样重新计算
string nspace = GetRouteString(routeData, "namespace");
string className = GetRouteString(routeData, "controller");
string action = GetRouteString(routeData, "action");
if( string.IsNullOrEmpty(className) || string.IsNullOrEmpty(action) ) {
DiagnoseResult diagnoseResult = Http404DebugModule.TryGetDiagnoseResult(context);
if( diagnoseResult != null )
diagnoseResult.ErrorMessages.Add("不能从URL中提取到controller和action信息");
return null;
}
if( action == "{HttpMethod}" ) // 允许定义这个特殊变量
action = context.Request.HttpMethod;
ControllerResolver controllerResolver = new ControllerResolver(context);
UrlActionInfo info = new UrlActionInfo();
info.RoutePattern = (routeData.Route as Route).Url; // 转换失败？？
info.Namesapce = controllerResolver.GetNamespaceMap(nspace);
info.ClassName = className;
info.MethodName = action;
info.Action = action;
info.Controller = s_recognizer.GetServiceFullName(info);
// 将路由提取到的其它URL参数，保存到UrlActionInfo实例中。
foreach( KeyValuePair<string, object> kvp in routeData.Values ) {
// 排除3个特定名字。
if( kvp.Key.IsSame("namespace") || kvp.Key.IsSame("controller") || kvp.Key.IsSame("action") )
continue;
string value = kvp.Value as string;
if( string.IsNullOrEmpty(value) == false )
info.AddParam(kvp.Key, value);
}
return info;
}
/// <summary>
/// 根据UrlActionInfo收集到的命名空间及类名计算ServiceController的全名
/// 如果希望在URL中使用简短或者缩写的命名空间，可以重写这个方法
/// </summary>
/// <param name="info">UrlActionInfo的实例</param>
/// <returns></returns>
public virtual string GetServiceFullName(UrlActionInfo info)
{
return info.Namesapce
+ (string.IsNullOrEmpty(info.Namesapce) ? string.Empty : ".")
+ EnsureServicePostfix(info.ClassName);
}