public void BeforeInvoke(ICallInvocation invocation)
{
var operNames = operationNames;
var providerNames = this.permissionProviderNames;
IPermissionProvider permissionProvider;
if (operNames.Length > 0)
{
for (int i = 0, len = operNames.Length; i < len; i++)
{
var operName = operNames[i];
var providerName = providerNames[i];
if (!invocation.TryGetValue <IPermissionProvider>(providerName, out permissionProvider))
{
throw new PermissionException(operName, "not found <IPermissionProvider>, provider name: {0}".FormatArgs(providerName));
}
if (!permissionProvider.HasPermission(operName))
{
throw new PermissionInvalidOperationException(operName);
}
}
}
}
public static bool TryGetValue <T>(this ICallInvocation source, string name, out T value)
{
object o;
if (source.TryGetValue(typeof(T), name, out o))
{
value = (T)o;
return(true);
}
value = default(T);
return(false);
}
