public static NItem GetPageFromCache(string pageId, NOutputCache module)
{
CachePageRequest pageReq = _pageReqTbl[pageId] as CachePageRequest;
if (pageReq == null)
{
pageReq = new CachePageRequest(pageId);
lock (_pageReqTbl.SyncRoot)
{
if (!_pageReqTbl.Contains(pageId))
{
_pageReqTbl.Add(pageId, pageReq);
}
}
}
return(pageReq.FetchPage(module));
}
/// <summary>
/// Loads page settings from config
/// </summary>
public void LoadPageSettings()
{
NCacheSection section = new NCacheSection();
XmlNode ncacheSection = section.NCacheConfigSection;
if (ncacheSection != null)
{
XmlNode settings = ncacheSection.SelectSingleNode("outputCacheSettings");
if (settings != null)
{
XmlNode outputCachePages = settings.SelectSingleNode("outputCachePages");
if (outputCachePages != null)
{
XmlNodeList pageList = outputCachePages.SelectNodes("add");
foreach (XmlNode node in pageList)
{
PageSettings pageSettings = new PageSettings();
if (node.Attributes["name"] != null && node.Attributes["name"].Value != string.Empty)
{
pageSettings.PageName = node.Attributes["name"].Value.ToLower();
}
else
{
throw new ConfigurationException("The 'name' attribute in outputCachePages section cannot be null or empty string");
}
if (node.Attributes["duration"] != null)
{
try
{
pageSettings.ExpirationTime = Convert.ToInt32(node.Attributes["duration"].Value);
}
catch (Exception exc)
{
throw new ConfigurationException("The value of property 'duration' cannot be parsed. The error is: " + exc.Message);
}
}
else
{
throw new ConfigurationException("The 'duration' attribute in outputCachePages section cannot be null");
}
if (node.Attributes["enabled"] != null)
{
if (node.Attributes["enabled"].Value != "true" && node.Attributes["enabled"].Value != "false")
{
throw new ConfigurationException("The 'enabled' attribute in outputCachePages section must be one of the following values: true, false.");
}
else
{
pageSettings.CachingEnabled = Convert.ToBoolean(node.Attributes["enabled"].Value);
}
}
if (node.Attributes["requestType"] != null)
{
string requestType = node.Attributes["requestType"].Value.ToLower();
if (!NOutputCache.IsNullOrEmpty(requestType))
{
string[] split = requestType.Split('/');
for (int i = 0; i < split.Length; i++)
{
switch (split[i].Trim())
{
case "get":
pageSettings.Get = true;
break;
case "post":
pageSettings.Post = true;
break;
}
}
}
else
{
pageSettings.Get = true;///by default
}
}
if (node.Attributes["varyByParam"] != null)
{
pageSettings.ParseVaryByParams(node.Attributes["varyByParam"].Value);
}
if (node.Attributes["varyByHeader"] != null)
{
pageSettings.ParseVaryByHeaders(node.Attributes["varyByHeader"].Value);
}
if (node.Attributes["varyByCustom"] != null)
{
pageSettings.VaryByCustom = node.Attributes["varyByCustom"].Value.ToLower();
}
this._pageProps[pageSettings.PageName] = pageSettings;
}
}
}
}
}
