private void WriteNode(SiteMapNode node, XmlTextWriter writer, int depth)
{
if (depth > MaxDepth)
{
return;
}
writer.WriteStartElement("url");
string appUrl = SearchSiteMapProviderBase.GenerateUrl(node.Url);
writer.WriteElementString("loc", appUrl);
string lastMod = node["lastModified"];
if (String.IsNullOrEmpty(lastMod) && (HttpContext.Current != null))
{
string physicalPath = HttpContext.Current.Request.MapPath(node.Url);
if (File.Exists(physicalPath))
{
DateTime lastModified = File.GetLastWriteTimeUtc(physicalPath);
lastMod = lastModified.ToString("yyyy-MM-ddThh:mm:ss.fffZ", CultureInfo.InvariantCulture);
}
}
if (!String.IsNullOrEmpty(lastMod))
{
writer.WriteElementString("lastmod", lastMod);
}
string changeFreq = node["changeFrequency"];
if (!String.IsNullOrEmpty(changeFreq))
{
writer.WriteElementString("changefreq", changeFreq);
}
string priority = node["priority"];
if (!String.IsNullOrEmpty(priority))
{
writer.WriteElementString("priority", priority);
}
writer.WriteEndElement(); // url
int subNodeDepth = depth + 1;
foreach (SiteMapNode subNode in node.ChildNodes)
{
WriteNode(subNode, writer, subNodeDepth);
}
}
public override void WriteNodes(SearchSiteMapHandler handler, XmlTextWriter writer)
{
IEnumerable results = DataQuery();
if (results != null)
{
string appUrl = SearchSiteMapProviderBase.GenerateUrl(HttpContext.Current.Request.ApplicationPath + "/");
//Format is : http://server/site/page.aspx/value1/value2 etc
if (_pathInfoFormat == true)
{
_targetUrlseparator = "/";
_queryStringDataFieldSeparator = "/";
}
foreach (object o in results)
{
String targetUrlSuffix = "";
//Do this once once
//Generate query string data fields
if ((_queryStringDataFields == null) || (_queryStringDataFields.Count == 0))
{
FieldInfo[] fis = o.GetType().GetFields();
foreach (FieldInfo fi in fis)
{
//Skip sitemap specific fields
if (String.Compare(fi.Name, _lastModifiedDataField, StringComparison.Ordinal) == 0)
{
continue;
}
if (String.Compare(fi.Name, _changeFrequencyDataField, StringComparison.Ordinal) == 0)
{
continue;
}
if (String.Compare(fi.Name, _priorityDataField, StringComparison.Ordinal) == 0)
{
continue;
}
_queryStringDataFields.Add(fi.Name);
}
}
if ((_queryStringDataFields != null) && (_queryStringDataFields.Count > 0))
{
// Is format string present?
if (!String.IsNullOrEmpty(_queryStringDataFormatString))
{
List <object> _queryStringValues = new List <object>();
foreach (String queryStringName in _queryStringDataFields)
{
_queryStringValues.Add(DataEval(o, queryStringName).ToString());
}
targetUrlSuffix = String.Format(CultureInfo.InvariantCulture, _queryStringDataFormatString, _queryStringValues.ToArray());
}
else
{
foreach (String queryStringName in _queryStringDataFields)
{
String queryStringValue = DataEval(o, queryStringName).ToString();
String queryStringNameValue = "";
if (!_pathInfoFormat)
{
queryStringNameValue = queryStringName + "=" + queryStringValue;
}
else
{
queryStringNameValue = queryStringValue;
}
if (targetUrlSuffix.Length > 0)
{
targetUrlSuffix += _queryStringDataFieldSeparator;
}
targetUrlSuffix += queryStringNameValue;
}
}
}
String url = _targetUrl + _targetUrlseparator + targetUrlSuffix;
writer.WriteStartElement("url");
writer.WriteElementString("loc", appUrl + url);
if (!String.IsNullOrEmpty(_lastModifiedDataField))
{
string lastmodifiedValue = DataEval(o, _lastModifiedDataField).ToString();
if (!String.IsNullOrEmpty(lastmodifiedValue))
{
writer.WriteElementString("lastmod", lastmodifiedValue);
}
}
if (!String.IsNullOrEmpty(_changeFrequencyDataField))
{
string changeFrequencyValue = DataEval(o, _changeFrequencyDataField).ToString();
if (!String.IsNullOrEmpty(changeFrequencyValue))
{
writer.WriteElementString("changefreq", changeFrequencyValue);
}
}
if (!String.IsNullOrEmpty(_priorityDataField))
{
string priorityValue = DataEval(o, _priorityDataField).ToString();
if (!String.IsNullOrEmpty(priorityValue))
{
writer.WriteElementString("priority", priorityValue);
}
}
writer.WriteEndElement(); // url
}
}
}
public void ProcessRequest(HttpContext context)
{
if (!IsEnabled())
{
return;
}
List <SearchSiteMapProviderBase> searchSiteMapProviders = GetSearchSiteMapProviders();
if (searchSiteMapProviders.Count == 0)
{
return;
}
HttpResponse response = context.Response;
response.ContentType = "text/xml";
//Render mode - sitemapindex or sitemap?
if (context.Request.QueryString.Count == 0)
{
//sitemapindex
String handlerName = Path.GetFileName(HttpContext.Current.Request.PhysicalPath);
using (XmlTextWriter writer = new XmlTextWriter(response.OutputStream, Encoding.UTF8)) {
writer.Formatting = Formatting.Indented;
writer.WriteStartDocument();
writer.WriteStartElement("sitemapindex");
writer.WriteAttributeString("xmlns", "http://www.sitemaps.org/schemas/sitemap/0.9");
string appUrl = SearchSiteMapProviderBase.GenerateUrl(HttpContext.Current.Request.ApplicationPath + "/");
//Write out sitemap node in sitemapindex
foreach (SearchSiteMapProviderBase searchSiteMapProvider in searchSiteMapProviders)
{
writer.WriteStartElement("sitemap");
writer.WriteElementString("loc", appUrl + handlerName + "?sitemap=" + HttpUtility.UrlEncode(searchSiteMapProvider.Name));
DateTime lastModified = DateTime.UtcNow;
String lastMod = lastModified.ToString("yyyy-MM-ddThh:mm:ss.fffZ", CultureInfo.InvariantCulture);
writer.WriteElementString("lastmod", lastMod);
writer.WriteEndElement(); // sitemap
}
writer.WriteEndElement(); // sitemapindex
writer.WriteEndDocument();
}
}
else
{
//sitemap
String sitemap = context.Request.QueryString["sitemap"];
if (String.IsNullOrEmpty(sitemap) == false)
{
using (XmlTextWriter writer = new XmlTextWriter(response.OutputStream, Encoding.UTF8)) {
writer.Formatting = Formatting.Indented;
writer.WriteStartDocument();
writer.WriteStartElement("urlset");
writer.WriteAttributeString("xmlns", "http://www.sitemaps.org/schemas/sitemap/0.9");
foreach (SearchSiteMapProviderBase searchSiteMapProvider in _searchSiteMapProviders)
{
if (String.Compare(searchSiteMapProvider.Name, sitemap, StringComparison.Ordinal) == 0)
{
searchSiteMapProvider.WriteNodes(this, writer);
}
}
writer.WriteEndElement(); // urlset
writer.WriteEndDocument();
}
}
}
}