internal static CustomErrors GetSettings(HttpContext context, bool canThrow)
{
CustomErrors ce = null;
if (canThrow)
{
ce = (CustomErrors)context.GetConfig("system.web/customErrors");
}
else
{
ce = (CustomErrors)context.GetLKGConfig("system.web/customErrors");
}
if (ce == null)
{
if (_default == null)
{
_default = new CustomErrors();
}
ce = _default;
}
return(ce);
}
//
// constructor used by config section handler
//
internal CustomErrors(XmlNode node, String basePath, CustomErrors parent)
{
_mode = CustomErrorsMode.Off;
// inherit parent settings
if (parent != null)
{
_mode = parent._mode;
_defaultRedirect = parent._defaultRedirect;
if (parent._codeRedirects != null)
{
_codeRedirects = new Hashtable();
for (IDictionaryEnumerator e = parent._codeRedirects.GetEnumerator(); e.MoveNext();)
{
_codeRedirects.Add(e.Key, e.Value);
}
}
}
// add current settings
XmlNode a;
String redirect = null;
// get default and mode from the main tag
HandlerBase.GetAndRemoveStringAttribute(node, "defaultRedirect", ref redirect);
if (redirect != null)
{
_defaultRedirect = GetAbsoluteRedirect(redirect, basePath);
}
int iMode = 0;
a = HandlerBase.GetAndRemoveEnumAttribute(node, "mode", typeof(CustomErrorsMode), ref iMode);
if (a != null)
{
_mode = (CustomErrorsMode)iMode;
}
// report errors on bad attribures
HandlerBase.CheckForUnrecognizedAttributes(node);
// child tags
foreach (XmlNode child in node.ChildNodes)
{
if (HandlerBase.IsIgnorableAlsoCheckForNonElement(child))
{
continue;
}
int status = 0; // set when req. attr. is read
// only <error> is allowed
if (child.Name != "error")
{
HandlerBase.ThrowUnrecognizedElement(child);
}
// status code attribure
a = HandlerBase.GetAndRemoveRequiredIntegerAttribute(child, "statusCode", ref status);
if (status < 100 && status > 999)
{
throw new ConfigurationException(
HttpRuntime.FormatResourceString(SR.Customerrors_invalid_statuscode),
a);
}
// redirect attribure
redirect = HandlerBase.RemoveRequiredAttribute(child, "redirect");
// errors on other attributes
HandlerBase.CheckForUnrecognizedAttributes(child);
// <error> tags contain no content
HandlerBase.CheckForChildNodes(child);
// remember
if (_codeRedirects == null)
{
_codeRedirects = new Hashtable();
}
_codeRedirects[status.ToString()] = GetAbsoluteRedirect(redirect, basePath);
}
}