public static UrlMappingItemCollection Combin(UrlMappingItemCollection first, UrlMappingItemCollection second)
{
UrlMappingItemCollection col = new UrlMappingItemCollection();
// first things first
foreach (var item in first)
{
var configed = second.FindByAction(item.Id, item.Action, item.UrlTemplate);
if (configed == null)
{
col.Add(item);
}
else
{
if (second.Remove(configed))
{
col.Add(configed);
}
else
{
col.Add(item);
}
}
}
col.AddRange(second);
return(col);
}
/// <summary>
/// Refreshes the internally-cached collection of URL templates and redirection mappings.
/// </summary>
protected void RefreshUrlMappingData()
{
if (_coll != null)
{
_coll.Clear();
}
else
{
_coll = new UrlMappingItemCollection();
}
string file = HttpContext.Current.Server.MapPath(config.UrlMappingFile);
ParseXml(file, _coll, MenuItems, config.IncomingQueryStringBehavior);
_coll.Merge(_manualAdded);
// using a file dependency, generate it now
if (File.Exists(file))
{
_fileDependency = new CacheDependency(file);
HttpContext.Current.Cache.Insert(kCACHE_KEY, "dummyValue", _fileDependency, Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
// remember the refresh time
_latestRefresh = DateTime.Now;
}
public void Merge(UrlMappingItemCollection items)
{
UrlMappingItemCollection col = Combin(items, this);
Clear();
AddRange(col);
}
public static void ParseXml(string file, UrlMappingItemCollection routes, Dictionary <int, NavigationItem> menuItems, IncomingQueryStringBehavior incomingQueryStringBehavior)
{
if (!File.Exists(file))
{
return;
}
XmlDocument xml = new XmlDocument();
try
{
xml.Load(file);
}
catch (Exception ex)
{
throw new UrlMappingException("The error occurred while loading the route files. A virtual path is required and the file must be well-formed.", ex);
}
menuItems.Clear();
int i = -1, j = -1, k = -1;
foreach (XmlNode node in xml.DocumentElement.ChildNodes)
{
if (node.Name == "menu")
{
i++;
NavigationItem menuItem = getMenuItem(node);
menuItem.Children = new Dictionary <int, NavigationItem>();
menuItems[i] = menuItem;
foreach (XmlNode subNode in node.ChildNodes)
{
if (subNode.Name == "menu")
{
j++;
NavigationItem sub_menuItem = getMenuItem(subNode);
sub_menuItem.Children = new Dictionary <int, NavigationItem>();
menuItems[i].Children[j] = sub_menuItem;
foreach (XmlNode subsubNode in subNode.ChildNodes)
{
if (subsubNode.Name == "menu")
{
k++;
NavigationItem subsub_menuItem = getMenuItem(subsubNode);
sub_menuItem.Children[k] = subsub_menuItem;
foreach (XmlNode last_node in subsubNode.ChildNodes)
{
if (last_node.Name == "url")
{
UrlMappingItem url = getUrlInfo(last_node, subsub_menuItem, i, j, k, incomingQueryStringBehavior);
routes.Add(url);
}
}
}
else if (subsubNode.Name == "url")
{
UrlMappingItem url = getUrlInfo(subsubNode, sub_menuItem, i, j, -1, incomingQueryStringBehavior);
routes.Add(url);
}
}
}
else if (subNode.Name == "url")
{
UrlMappingItem url = getUrlInfo(subNode, menuItem, i, -1, -1, incomingQueryStringBehavior);
routes.Add(url);
}
}
}
else if (node.Name == "url")
{
UrlMappingItem url = getUrlInfo(node, new NavigationItem(), -1, -1, -1, incomingQueryStringBehavior);
routes.Add(url);
}
}
}