protected virtual void AddNodeInternal(ISiteMapNode node, ISiteMapNode parentNode)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
lock (this.synclock)
{
bool urlPrepared = false;
bool urlEncoded = false;
string url = node.Url;
if (!string.IsNullOrEmpty(url))
{
if (node.HasAbsoluteUrl())
{
// This is an external url, so we will encode it
url = urlPath.UrlEncode(url);
urlEncoded = true;
}
if (urlPath.AppDomainAppVirtualPath != null)
{
if (!urlPath.IsAbsolutePhysicalPath(url))
{
url = urlPath.MakeVirtualPathAppAbsolute(urlPath.Combine(urlPath.AppDomainAppVirtualPath, url));
}
if (this.urlTable.ContainsKey(url))
{
if (urlEncoded)
{
url = urlPath.UrlDecode(url);
}
throw new InvalidOperationException(String.Format(Resources.Messages.MultipleNodesWithIdenticalUrl, url));
}
}
urlPrepared = true;
}
string key = node.Key;
if (this.keyTable.ContainsKey(key))
{
throw new InvalidOperationException(String.Format(Resources.Messages.MultipleNodesWithIdenticalKey, key));
}
this.keyTable[key] = node;
if (urlPrepared)
{
this.urlTable[url] = node;
}
if (parentNode != null)
{
this.parentNodeTable[node] = parentNode;
if (!this.childNodeCollectionTable.ContainsKey(parentNode))
{
this.childNodeCollectionTable[parentNode] = siteMapChildStateFactory.CreateLockableSiteMapNodeCollection(this);
}
this.childNodeCollectionTable[parentNode].Add(node);
}
}
}
