mcs/class/corlib/System/AppDomainManager.cs

   1 //
   2 // System.AppDomainManager class
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2004-2005,2009 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System.Reflection;
  30 using System.Runtime.Hosting;
  31 using System.Runtime.InteropServices;
  32 using System.Security;
  33 using System.Security.Permissions;
  34 using System.Security.Policy;
  35 using System.Threading;
  36
  37 namespace System {
  38
  39         [ComVisible (true)]
  40         [SecurityPermission (SecurityAction.LinkDemand, Infrastructure = true)]
  41         [SecurityPermission (SecurityAction.InheritanceDemand, Infrastructure = true)]
  42         public class AppDomainManager : MarshalByRefObject {
  43                 private ApplicationActivator _activator;
  44                 private AppDomainManagerInitializationOptions _flags;
  45
  46                 public AppDomainManager ()
  47                 {
  48                         _flags = AppDomainManagerInitializationOptions.None;
  49                 }
  50
  51                 public virtual ApplicationActivator ApplicationActivator {
  52                         get {
  53                                 if (_activator == null)
  54                                         _activator = new ApplicationActivator ();
  55                                  return _activator;
  56                         }
  57                 }
  58
  59                 public virtual Assembly EntryAssembly {
  60                         get { return Assembly.GetEntryAssembly (); }
  61                 }
  62
  63                 [MonoTODO]
  64                 public virtual HostExecutionContextManager HostExecutionContextManager {
  65                         get { throw new NotImplementedException (); }
  66                 }
  67
  68                 public virtual HostSecurityManager HostSecurityManager {
  69                         get { return null; }
  70                 }
  71
  72                 public AppDomainManagerInitializationOptions InitializationFlags {
  73                         get { return _flags; }
  74                         set { _flags = value; }
  75                 }
  76
  77                 // methods
  78
  79                 public virtual AppDomain CreateDomain (string friendlyName, Evidence securityInfo, AppDomainSetup appDomainInfo)
  80                 {
  81                         InitializeNewDomain (appDomainInfo);
  82                         AppDomain ad = CreateDomainHelper (friendlyName, securityInfo, appDomainInfo);
  83
  84                         // supply app domain policy ?
  85                         if ((HostSecurityManager.Flags & HostSecurityManagerOptions.HostPolicyLevel) == HostSecurityManagerOptions.HostPolicyLevel) {
  86                                 PolicyLevel pl = HostSecurityManager.DomainPolicy;
  87                                 if (pl != null) {
  88                                         ad.SetAppDomainPolicy (pl);
  89                                 }
  90                         }
  91
  92                         return ad;
  93                 }
  94
  95                 public virtual void InitializeNewDomain (AppDomainSetup appDomainInfo)
  96                 {
  97                         // default does nothing (as documented)
  98                 }
  99
 100                 // available in FX2.0 with service pack 1, including the 2.0 shipped as part of FX3.5
 101                 public virtual bool CheckSecuritySettings (SecurityState state)
 102                 {
 103                         return false;
 104                 }
 105
 106                 // static
 107
 108                 // FIXME: maybe AppDomain.CreateDomain should be calling this?
 109                 protected static AppDomain CreateDomainHelper (string friendlyName, Evidence securityInfo, AppDomainSetup appDomainInfo)
 110                 {
 111                         return AppDomain.CreateDomain (friendlyName, securityInfo, appDomainInfo);
 112                 }
 113         }
 114 }