public static string GetClientInitScriptPath(Uri uri, JsonProviderInfo info)//string varName, Type type)
{
string varName = info.VarName;
Type type = info.ProviderType;
UriBuilder builder = new UriBuilder(uri.ToString());
builder.Query = "init=true&t=" + GetClientTypeName(type) + "&varname=" + varName + "&ienocache=" + StringExtensions.RandomString(4, false, false);
return(builder.ToString());
}
/// <summary>
/// Registers the proxy for the specified type onto the specified page
/// using the specified varName.
/// </summary>
/// <param name="page">The Page</param>
/// <param name="varName">The client side name of the proxy instance.</param>
/// <param name="type">The .Net type to register</param>
private static void RegisterClientInitScript(Page page, JsonProviderInfo info)
{
if (page == null)
{
return;
}
if (HttpContext.Current == null)
{
throw NewInvalidOperationException();
}
string scriptPath = GetClientInitScriptPath(page.Request.Url, info);
page.ClientScript.RegisterClientScriptInclude(info.ClientTypeName, scriptPath);
}
internal static void SetProvider(object handlerInstance, Page page)
{
Type serverHandler = handlerInstance.GetType();
if (serverHandler == typeof(RuntimeTypeHandle))
{
return;
}
JsonProviders providers = SingletonHelper.GetSessionSingleton <JsonProviders>();//if (javascriptHandlers == null)
JsonProviderInfo provider = providers.Add(handlerInstance);
if (page != null)
{
RegisterClientInitScript(page, provider);
}
}
public JsonProviderInfo Add(object provider)
{
JsonProviderInfo info = new JsonProviderInfo(provider);
JsonProviderInfo retVal = info;
lock (providerLock)
{
if (providersByVarName.ContainsKey(info.VarName))
{
JsonProviderInfo registered = providersByVarName[info.VarName];
if (registered.ProviderType != info.ProviderType && !info.Namespace.StartsWith("ASP"))
{
throw ExceptionHelper.CreateException <JsonInvalidOperationException>(
@"JsonProxy Var Name Already In Use: {0}, Type: {1}
Failed To Register: {0}, Type: {2}", registered.VarName, registered.ClientTypeName, info.VarName, info.ClientTypeName);
}
else if (info.Namespace.StartsWith("ASP"))
{
this.providersByTypeName[info.ClientTypeName] = info;
this.providersByVarName[info.VarName] = info;
retVal = info;
}
else
{
retVal = registered;
}
}
else
{
this.providersByVarName.Add(info.VarName, info);
this.providersByTypeName.Add(info.ClientTypeName, info);
}
}
return(retVal);
}
