/// <summary>
/// Gets the Configuration Graph with the given Filename returns it
/// </summary>
/// <param name="context">HTTP Context</param>
/// <param name="configFile">Configuration File</param>
/// <returns></returns>
public static IGraph LoadConfigurationGraph(HttpContext context, String configFile)
{
//Whenever the Configuration Graph is loaded set the Path Resolver to be the WebConfigurationPathResolver
ConfigurationLoader.PathResolver = new WebConfigurationPathResolver(context.Server);
//Use a caching mechanism for Config Graphs
if (context.Cache[WebConfigGraphCacheKey + Path.GetFileName(configFile)] == null)
{
Graph g = new Graph();
FileLoader.Load(g, configFile);
context.Cache.Add(WebConfigGraphCacheKey + Path.GetFileName(configFile), g, new System.Web.Caching.CacheDependency(configFile), System.Web.Caching.Cache.NoAbsoluteExpiration, new TimeSpan(0, WebConfigGraphCacheDuration, 0), System.Web.Caching.CacheItemPriority.Normal, null);
//Make sure to auto-detect any Object Factories and custom Parsers/Writers from the Graph
ConfigurationLoader.AutoDetectObjectFactories(g);
ConfigurationLoader.AutoDetectReadersAndWriters(g);
return(g);
}
else
{
Object temp = context.Cache[WebConfigGraphCacheKey + Path.GetFileName(configFile)];
if (temp is IGraph)
{
//Q: Do we need to call the AutoDetectX() methods again here or not?
//ConfigurationLoader.AutoDetectObjectFactories((IGraph)temp);
return((IGraph)temp);
}
else
{
Graph g = new Graph();
FileLoader.Load(g, configFile);
context.Cache.Add(WebConfigGraphCacheKey + Path.GetFileName(configFile), g, new System.Web.Caching.CacheDependency(configFile), System.Web.Caching.Cache.NoAbsoluteExpiration, new TimeSpan(0, WebConfigGraphCacheDuration, 0), System.Web.Caching.CacheItemPriority.Normal, null);
//Make sure to auto-detect any Object Factories and custom Parsers/Writers from the Graph
ConfigurationLoader.AutoDetectObjectFactories(g);
ConfigurationLoader.AutoDetectReadersAndWriters(g);
return(g);
}
}
}
