public override bool FileExists(string virtualPath)
{
if (DomainServiceVirtualPathProvider.OwnsFile(virtualPath))
{
return(true);
}
return(base.FileExists(virtualPath));
}
public override string GetCacheKey(string virtualPath)
{
if (DomainServiceVirtualPathProvider.OwnsFile(virtualPath))
{
// We were able to provide the file, so we're responsible for returning a cache key.
return(virtualPath);
}
return(base.GetCacheKey(virtualPath));
}
public override VirtualFile GetFile(string virtualPath)
{
KeyValuePair <string, Type> domainServiceEntry;
if (DomainServiceVirtualPathProvider.OwnsFile(virtualPath, out domainServiceEntry))
{
return(new DomainServiceVirtualFile(domainServiceEntry.Value, virtualPath));
}
return(base.GetFile(virtualPath));
}
public override CacheDependency GetCacheDependency(string virtualPath, IEnumerable virtualPathDependencies, DateTime utcStart)
{
if (DomainServiceVirtualPathProvider.OwnsFile(virtualPath))
{
// Return a no-op cache dependency such that ASP.NET doesn't create a FileSystemWatcher
// to listen for changes to this file.
return(new DomainServiceCacheDependency());
}
return(base.GetCacheDependency(virtualPath, virtualPathDependencies, utcStart));
}
public static void Register()
{
if (DomainServiceVirtualPathProvider.vppRegistered == false)
{
lock (DomainServiceVirtualPathProvider.vppRegistrationLock)
{
if (DomainServiceVirtualPathProvider.vppRegistered == false)
{
DomainServiceVirtualPathProvider.EnsureDomainServiceTypes();
HostingEnvironment.RegisterVirtualPathProvider(new DomainServiceVirtualPathProvider());
DomainServiceVirtualPathProvider.vppRegistered = true;
}
}
}
}
private static void ApplicationBeginRequest(object sender, EventArgs e)
{
HttpRequest request = HttpContext.Current.Request;
string virtualPath = request.AppRelativeCurrentExecutionFilePath;
// Rewrite /ClientBin/Northwind.svc to /Northwind.svc. This way we guarantee we
// only instantiate a single service host, and we allow someone to think about
// a single file (e.g. when defining ACLs, etc.).
KeyValuePair <string, Type> domainServiceEntry;
if (DomainServiceVirtualPathProvider.ShouldRewritePath(virtualPath, out domainServiceEntry))
{
string queryString = request.QueryString.ToString();
HttpContext.Current.RewritePath(
DomainServiceVirtualPathProvider.DomainServicesDirectory + domainServiceEntry.Key,
request.PathInfo,
queryString,
/* setClientFilePath */ true);
}
}
void IHttpModule.Init(HttpApplication application)
{
application.BeginRequest += new EventHandler(DomainServiceHttpModule.ApplicationBeginRequest);
DomainServiceVirtualPathProvider.Register();
}
