/// <summary>
/// Gets the XML for an ESD controlled list, cacheing it if possible
/// </summary>
/// <param name="configKey">Key for XML file name <Escc.Web.Metadata/ControlledListXml> section of web.config</param>
/// <param name="withDom">true to include DOM and XPath support; false for XPath only</param>
/// <returns>Populated XML document, or null if not found</returns>
public static EsdControlledList GetControlledList(string configKey, bool withDom)
{
HttpContext ctx = HttpContext.Current;
EsdControlledList xmlDoc = null;
string cacheKey = String.Format(CultureInfo.InvariantCulture, "EsdXml_{0}", configKey);
// Check for the document in the Application Data Cache
if (ctx != null)
{
xmlDoc = (EsdControlledList)ctx.Cache.Get(cacheKey);
}
// Not in cache, so load XML
if (xmlDoc == null)
{
NameValueCollection config = ConfigurationManager.GetSection("Escc.Web.Metadata/ControlledListXml") as NameValueCollection;
if (config == null)
{
config = ConfigurationManager.GetSection("EsccWebTeam.Egms/ControlledListXml") as NameValueCollection;
}
if (config == null)
{
config = ConfigurationManager.GetSection("egmsXml") as NameValueCollection;
}
if (config != null)
{
if (String.IsNullOrEmpty(config[configKey]))
{
throw new ConfigurationErrorsException(String.Format(CultureInfo.CurrentCulture, Resources.ErrorConfigListNotFound, configKey));
}
xmlDoc = new EsdControlledList();
if (withDom)
{
xmlDoc.LoadDom(config[configKey]);
}
else
{
xmlDoc.LoadXPath(config[configKey]);
}
}
else
{
throw new ConfigurationErrorsException(Resources.ErrorConfig);
}
// Cache me if you can
if (ctx != null)
{
ctx.Cache.Insert(cacheKey, xmlDoc, null, DateTime.MaxValue, TimeSpan.FromMinutes(15));
}
}
// See whether this XML is in the new SKOS-compatible format or the old format. The old format used the Preferred attribute.
xmlDoc.skosCompatible = (xmlDoc.SelectNodes("ns:Item[@Preferred]").Count == 0);
return(xmlDoc);
}
/// <summary>
/// Gets the XML for an ESD controlled list, cacheing it if possible
/// </summary>
/// <param name="xmlFileUri">The URI of the XML file.</param>
/// <param name="withDom">true to include DOM and XPath support; false for XPath only</param>
/// <returns>Populated XML document, or null if not found</returns>
public static EsdControlledList GetControlledList(Uri xmlFileUri, bool withDom)
{
HttpContext ctx = HttpContext.Current;
EsdControlledList xmlDoc = null;
string cacheKey = String.Format(CultureInfo.InvariantCulture, "EsdXml_{0}", Regex.Replace(xmlFileUri.ToString(), "[^A-Za-z]", String.Empty));
// Check for the document in the Application Data Cache
if (ctx != null)
{
xmlDoc = (EsdControlledList)ctx.Cache.Get(cacheKey);
}
// Not in cache, so load XML
if (xmlDoc == null)
{
xmlDoc = new EsdControlledList();
if (withDom)
{
xmlDoc.LoadDom(xmlFileUri.ToString());
}
else
{
xmlDoc.LoadXPath(xmlFileUri.ToString());
}
// Cache me if you can
if (ctx != null)
{
ctx.Cache.Insert(cacheKey, xmlDoc, null, DateTime.MaxValue, TimeSpan.FromMinutes(15));
}
}
// See whether this XML is in the new SKOS-compatible format or the old format. The old format used the Preferred attribute.
xmlDoc.skosCompatible = (xmlDoc.SelectNodes("ns:Item[@Preferred]").Count == 0);
return(xmlDoc);
}
