257 lines
7.2 KiB
C#
257 lines
7.2 KiB
C#
//
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// System.Web.Hosting.ApplicationManager
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//
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// Author:
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// Gonzalo Paniagua Javier (gonzalo@novell.com)
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//
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//
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// Copyright (C) 2006-2010 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#if NET_2_0
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Security.Permissions;
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using System.Security.Policy;
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using System.Threading;
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namespace System.Web.Hosting {
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[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
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public sealed class ApplicationManager : MarshalByRefObject {
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static ApplicationManager instance = new ApplicationManager ();
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int users;
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Dictionary <string, BareApplicationHost> id_to_host;
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ApplicationManager ()
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{
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id_to_host = new Dictionary<string, BareApplicationHost> ();
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}
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public void Close ()
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{
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if (Interlocked.Decrement (ref users) == 0)
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ShutdownAll ();
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}
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[MonoTODO ("Need to take advantage of the configuration mapping capabilities of IApplicationHost")]
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[SecurityPermissionAttribute(SecurityAction.Demand, Unrestricted = true)]
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public IRegisteredObject CreateObject (IApplicationHost appHost, Type type)
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{
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if (appHost == null)
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throw new ArgumentNullException ("appHost");
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if (type == null)
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throw new ArgumentNullException ("type");
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return CreateObject (appHost.GetSiteID (),
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type,
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appHost.GetVirtualPath (),
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appHost.GetPhysicalPath (),
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true,
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true);
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}
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public IRegisteredObject CreateObject (string appId, Type type, string virtualPath,
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string physicalPath, bool failIfExists)
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{
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return CreateObject (appId, type, virtualPath, physicalPath, failIfExists, true);
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}
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public IRegisteredObject CreateObject (string appId, Type type, string virtualPath,
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string physicalPath, bool failIfExists, bool throwOnError)
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{
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if (appId == null)
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throw new ArgumentNullException ("appId");
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if (!VirtualPathUtility.IsAbsolute (virtualPath))
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throw new ArgumentException ("Relative path no allowed.", "virtualPath");
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if (String.IsNullOrEmpty (physicalPath))
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throw new ArgumentException ("Cannot be null or empty", "physicalPath");
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// 'type' is not checked. If it's null, we'll throw a NullReferenceException
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if (!typeof (IRegisteredObject).IsAssignableFrom (type))
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throw new ArgumentException (String.Concat ("Type '", type.Name, "' does not implement IRegisteredObject."), "type");
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//
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// ArgumentException is thrown for the physical path from the internal object created
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// in the new application domain.
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BareApplicationHost host = null;
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if (id_to_host.ContainsKey (appId))
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host = id_to_host [appId];
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IRegisteredObject ireg = null;
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if (host != null) {
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ireg = CheckIfExists (host, type, failIfExists);
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if (ireg != null)
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return ireg;
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}
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try {
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if (host == null)
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host = CreateHost (appId, virtualPath, physicalPath);
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ireg = host.CreateInstance (type);
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} catch (Exception) {
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if (throwOnError)
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throw;
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}
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if (ireg != null && host.GetObject (type) == null) // If not registered from ctor...
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host.RegisterObject (ireg, true);
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return ireg;
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}
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// Used from ClientBuildManager
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internal BareApplicationHost CreateHostWithCheck (string appId, string vpath, string ppath)
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{
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if (id_to_host.ContainsKey (appId))
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throw new InvalidOperationException ("Already have a host with the same appId");
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return CreateHost (appId, vpath, ppath);
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}
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BareApplicationHost CreateHost (string appId, string vpath, string ppath)
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{
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BareApplicationHost host;
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host = (BareApplicationHost) ApplicationHost.CreateApplicationHost (typeof (BareApplicationHost), vpath, ppath);
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host.Manager = this;
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host.AppID = appId;
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id_to_host [appId] = host;
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return host;
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}
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internal void RemoveHost (string appId)
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{
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id_to_host.Remove (appId);
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}
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IRegisteredObject CheckIfExists (BareApplicationHost host, Type type, bool failIfExists)
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{
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IRegisteredObject ireg = host.GetObject (type);
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if (ireg == null)
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return null;
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if (failIfExists)
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throw new InvalidOperationException (String.Concat ("Well known object of type '", type.Name, "' already exists in this domain."));
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return ireg;
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}
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public static ApplicationManager GetApplicationManager ()
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{
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return instance;
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}
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public IRegisteredObject GetObject (string appId, Type type)
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{
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if (appId == null)
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throw new ArgumentNullException ("appId");
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if (type == null)
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throw new ArgumentNullException ("type");
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BareApplicationHost host = null;
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if (!id_to_host.ContainsKey (appId))
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return null;
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host = id_to_host [appId];
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return host.GetObject (type);
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}
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public ApplicationInfo [] GetRunningApplications ()
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{
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ICollection<string> coll = id_to_host.Keys;
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string [] keys = new string [coll.Count];
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coll.CopyTo (keys, 0);
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ApplicationInfo [] result = new ApplicationInfo [coll.Count];
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int i = 0;
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foreach (string str in keys) {
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BareApplicationHost host = id_to_host [str];
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result [i++] = new ApplicationInfo (str, host.PhysicalPath, host.VirtualPath);
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}
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return result;
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}
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public override object InitializeLifetimeService ()
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{
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return null;
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}
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public bool IsIdle ()
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{
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throw new NotImplementedException ();
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}
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public void Open ()
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{
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Interlocked.Increment (ref users);
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}
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public void ShutdownAll ()
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{
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ICollection<string> coll = id_to_host.Keys;
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string [] keys = new string [coll.Count];
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coll.CopyTo (keys, 0);
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foreach (string str in keys) {
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BareApplicationHost host = id_to_host [str];
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host.Shutdown ();
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}
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id_to_host.Clear ();
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}
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public void ShutdownApplication (string appId)
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{
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if (appId == null)
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throw new ArgumentNullException ("appId");
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BareApplicationHost host = id_to_host [appId];
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if (host == null)
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return;
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host.Shutdown ();
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}
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public void StopObject (string appId, Type type)
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{
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if (appId == null)
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throw new ArgumentNullException ("appId");
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if (type == null)
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throw new ArgumentNullException ("type");
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if (!id_to_host.ContainsKey (appId))
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return;
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BareApplicationHost host = id_to_host [appId];
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if (host == null)
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return;
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host.StopObject (type);
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}
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}
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}
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#endif
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