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//
// DynamicDataRoute.cs
//
// Authors:
// Atsushi Enomoto <atsushi@ximian.com>
// Marek Habersack <mhabersack@novell.com>
//
// Copyright (C) 2008-2009 Novell Inc. http://novell.com
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Globalization;
using System.Security.Permissions;
using System.Security.Principal;
using System.Web.Caching;
using System.Web.Routing;
namespace System.Web.DynamicData
{
[AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public class DynamicDataRoute : Route
{
static readonly object initLock = new object ();
bool initDone;
public DynamicDataRoute (string url)
: base (url, null)
{
Model = MetaModel.Default;
RouteHandler = new DynamicDataRouteHandler ();
}
public string Action { get; set; }
public MetaModel Model { get; set; }
public DynamicDataRouteHandler RouteHandler {
get { return base.RouteHandler as DynamicDataRouteHandler; }
set { base.RouteHandler = value; }
}
public string Table { get; set; }
public string ViewName { get; set; }
void EnsureInitialized ()
{
if (initDone)
return;
// We need to lock since we might be stored in the RouteTable.Routes
// collection which might be accessed from many concurrent requests.
lock (initLock) {
if (initDone)
return;
initDone = true;
DynamicDataRouteHandler rh = RouteHandler;
if (rh != null)
rh.Model = Model;
string action = Action, table = Table;
if (action == null && table == null)
return;
RouteValueDictionary defaults = Defaults;
if (defaults == null)
Defaults = defaults = new RouteValueDictionary ();
if (table != null) {
// Force check for table existence
MetaModel model = Model ?? MetaModel.Default;
if (model != null)
Model.GetTable (table);
if (defaults.ContainsKey ("Table"))
defaults ["Table"] = table;
else
defaults.Add ("Table", table);
}
if (action != null) {
if (defaults.ContainsKey ("Action"))
defaults ["Action"] = action;
else
defaults.Add ("Action", action);
}
}
}
public string GetActionFromRouteData (RouteData routeData)
{
if (routeData == null)
throw new ArgumentNullException ("routeData");
return routeData.GetRequiredString ("Action");
}
public override RouteData GetRouteData (HttpContextBase httpContext)
{
EnsureInitialized ();
RouteData rd = base.GetRouteData (httpContext);
if (rd == null)
return null;
MetaModel model = Model ?? MetaModel.Default;
MetaTable table;
if (model == null || !model.TryGetTable (rd.GetRequiredString ("Table"), out table))
return null;
return rd;
}
public MetaTable GetTableFromRouteData (RouteData routeData)
{
if (routeData == null)
throw new ArgumentNullException ("routeData");
var t = routeData.GetRequiredString ("Table");
if (Model == null)
throw new InvalidOperationException ("MetaModel must be set to the DynamicDataRoute before retrieving MetaTable");
return Model.GetTable (t);
}
public override VirtualPathData GetVirtualPath (RequestContext requestContext, RouteValueDictionary values)
{
EnsureInitialized ();
return base.GetVirtualPath (requestContext, values);
}
}
}
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