public override SiteMapNode BuildSiteMap()
{
SiteMapNode tempNode = _siteMapNode;
// If siteMap is already constructed, simply returns it.
// Child providers will only be updated when the parent providers need to access them.
if (tempNode != null)
{
return(tempNode);
}
XmlDocument document = GetConfigDocument();
lock (_lock) {
if (_siteMapNode != null)
{
return(_siteMapNode);
}
Clear();
// Need to check if the sitemap file exists before opening it.
CheckSiteMapFileExists();
try {
using (Stream stream = _normalizedVirtualPath.OpenFile()) {
XmlReader reader = new XmlTextReader(stream);
document.Load(reader);
}
}
catch (XmlException e) {
string sourceFile = _virtualPath.VirtualPathString;
string physicalDir = _normalizedVirtualPath.MapPathInternal();
if (physicalDir != null && HttpRuntime.HasPathDiscoveryPermission(physicalDir))
{
sourceFile = physicalDir;
}
throw new ConfigurationErrorsException(
SR.GetString(SR.XmlSiteMapProvider_Error_loading_Config_file, _virtualPath, e.Message),
e, sourceFile, e.LineNumber);
}
catch (Exception e) {
throw new ConfigurationErrorsException(
SR.GetString(SR.XmlSiteMapProvider_Error_loading_Config_file, _virtualPath, e.Message), e);
}
XmlNode node = null;
foreach (XmlNode siteMapMode in document.ChildNodes)
{
if (String.Equals(siteMapMode.Name, "siteMap", StringComparison.Ordinal))
{
node = siteMapMode;
break;
}
}
if (node == null)
{
throw new ConfigurationErrorsException(
SR.GetString(SR.XmlSiteMapProvider_Top_Element_Must_Be_SiteMap),
document);
}
bool enableLocalization = false;
HandlerBase.GetAndRemoveBooleanAttribute(node, "enableLocalization", ref enableLocalization);
EnableLocalization = enableLocalization;
XmlNode topElement = null;
foreach (XmlNode subNode in node.ChildNodes)
{
if (subNode.NodeType == XmlNodeType.Element)
{
if (!_siteMapNodeName.Equals(subNode.Name))
{
throw new ConfigurationErrorsException(
SR.GetString(SR.XmlSiteMapProvider_Only_SiteMapNode_Allowed),
subNode);
}
if (topElement != null)
{
throw new ConfigurationErrorsException(
SR.GetString(SR.XmlSiteMapProvider_Only_One_SiteMapNode_Required_At_Top),
subNode);
}
topElement = subNode;
}
}
if (topElement == null)
{
throw new ConfigurationErrorsException(
SR.GetString(SR.XmlSiteMapProvider_Only_One_SiteMapNode_Required_At_Top),
node);
}
Queue queue = new Queue(50);
// The parentnode of the top node does not exist,
// simply add a null to satisfy the ConvertFromXmlNode condition.
queue.Enqueue(null);
queue.Enqueue(topElement);
_siteMapNode = ConvertFromXmlNode(queue);
return(_siteMapNode);
}
}
public override SiteMapNode BuildSiteMap()
{
SiteMapNode node = this._siteMapNode;
if (node != null)
{
return(node);
}
XmlDocument configDocument = this.GetConfigDocument();
lock (base._lock)
{
if (this._siteMapNode == null)
{
this.Clear();
this.CheckSiteMapFileExists();
try
{
using (Stream stream = this._normalizedVirtualPath.OpenFile())
{
XmlReader reader = new XmlTextReader(stream);
configDocument.Load(reader);
}
}
catch (XmlException exception)
{
string virtualPathString = this._virtualPath.VirtualPathString;
string path = this._normalizedVirtualPath.MapPathInternal();
if ((path != null) && HttpRuntime.HasPathDiscoveryPermission(path))
{
virtualPathString = path;
}
throw new ConfigurationErrorsException(System.Web.SR.GetString("XmlSiteMapProvider_Error_loading_Config_file", new object[] { this._virtualPath, exception.Message }), exception, virtualPathString, exception.LineNumber);
}
catch (Exception exception2)
{
throw new ConfigurationErrorsException(System.Web.SR.GetString("XmlSiteMapProvider_Error_loading_Config_file", new object[] { this._virtualPath, exception2.Message }), exception2);
}
XmlNode node2 = null;
foreach (XmlNode node3 in configDocument.ChildNodes)
{
if (string.Equals(node3.Name, "siteMap", StringComparison.Ordinal))
{
node2 = node3;
break;
}
}
if (node2 == null)
{
throw new ConfigurationErrorsException(System.Web.SR.GetString("XmlSiteMapProvider_Top_Element_Must_Be_SiteMap"), configDocument);
}
bool val = false;
System.Web.Configuration.HandlerBase.GetAndRemoveBooleanAttribute(node2, "enableLocalization", ref val);
base.EnableLocalization = val;
XmlNode node4 = null;
foreach (XmlNode node5 in node2.ChildNodes)
{
if (node5.NodeType == XmlNodeType.Element)
{
if (!"siteMapNode".Equals(node5.Name))
{
throw new ConfigurationErrorsException(System.Web.SR.GetString("XmlSiteMapProvider_Only_SiteMapNode_Allowed"), node5);
}
if (node4 != null)
{
throw new ConfigurationErrorsException(System.Web.SR.GetString("XmlSiteMapProvider_Only_One_SiteMapNode_Required_At_Top"), node5);
}
node4 = node5;
}
}
if (node4 == null)
{
throw new ConfigurationErrorsException(System.Web.SR.GetString("XmlSiteMapProvider_Only_One_SiteMapNode_Required_At_Top"), node2);
}
Queue queue = new Queue(50);
queue.Enqueue(null);
queue.Enqueue(node4);
this._siteMapNode = this.ConvertFromXmlNode(queue);
}
return(this._siteMapNode);
}
}
