2 // System.IO.IsolatedStorage.cs
5 // Duncan Mak (duncan@ximian.com)
6 // Sebastien Pouliot <sebastien@ximian.com>
8 // (C) Ximian, Inc. http://www.ximian.com
9 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System
.Globalization
;
33 using System
.Reflection
;
34 using System
.Runtime
.InteropServices
;
35 using System
.Security
;
36 using System
.Security
.Permissions
;
37 using System
.Security
.Policy
;
39 namespace System
.IO
.IsolatedStorage
{
42 public abstract class IsolatedStorage
: MarshalByRefObject
{
45 protected IsolatedStorage ()
50 internal IsolatedStorageScope storage_scope
;
51 internal object _assemblyIdentity
;
52 internal object _domainIdentity
;
53 internal object _applicationIdentity
;
57 [MonoTODO ("Does not currently use the manifest support")]
59 public object ApplicationIdentity
{
60 [SecurityPermission (SecurityAction
.Demand
, ControlPolicy
=true)]
62 if ((storage_scope
& IsolatedStorageScope
.Application
) == 0) {
63 throw new InvalidOperationException (Locale
.GetText ("Invalid Isolation Scope."));
65 if (_applicationIdentity
== null)
66 throw new InvalidOperationException (Locale
.GetText ("Identity unavailable."));
68 throw new NotImplementedException (Locale
.GetText ("CAS related"));
72 public object AssemblyIdentity
{
73 [SecurityPermission (SecurityAction
.Demand
, ControlPolicy
=true)]
75 if ((storage_scope
& IsolatedStorageScope
.Assembly
) == 0) {
76 throw new InvalidOperationException (Locale
.GetText ("Invalid Isolation Scope."));
78 if (_assemblyIdentity
== null)
79 throw new InvalidOperationException (Locale
.GetText ("Identity unavailable."));
80 return _assemblyIdentity
;
84 [CLSCompliant (false)]
85 public virtual ulong CurrentSize
{
87 throw new InvalidOperationException (
88 Locale
.GetText ("IsolatedStorage does not have a preset CurrentSize."));
92 public object DomainIdentity
{
93 [SecurityPermission (SecurityAction
.Demand
, ControlPolicy
=true)]
95 if ((storage_scope
& IsolatedStorageScope
.Domain
) == 0) {
96 throw new InvalidOperationException (Locale
.GetText ("Invalid Isolation Scope."));
98 if (_domainIdentity
== null)
99 throw new InvalidOperationException (Locale
.GetText ("Identity unavailable."));
100 return _domainIdentity
;
104 [CLSCompliant (false)]
105 public virtual ulong MaximumSize
{
107 throw new InvalidOperationException (
108 Locale
.GetText ("IsolatedStorage does not have a preset MaximumSize."));
112 public IsolatedStorageScope Scope
{
113 get { return storage_scope; }
116 protected virtual char SeparatorExternal
{
117 get { return System.IO.Path.DirectorySeparatorChar; }
120 protected virtual char SeparatorInternal
{
125 protected abstract IsolatedStoragePermission
GetPermission (PermissionSet ps
);
127 protected void InitStore (IsolatedStorageScope scope
, Type domainEvidenceType
, Type assemblyEvidenceType
)
129 // I know it's useless - but it's tested as such...
131 case (IsolatedStorageScope
.Assembly
| IsolatedStorageScope
.User
):
132 case (IsolatedStorageScope
.Assembly
| IsolatedStorageScope
.User
| IsolatedStorageScope
.Domain
):
133 throw new NotImplementedException (scope
.ToString ());
135 // invalid (incomplete) scope
136 throw new ArgumentException (scope
.ToString ());
140 [MonoTODO ("requires manifest support")]
141 protected void InitStore (IsolatedStorageScope scope
, Type appEvidenceType
)
143 if (AppDomain
.CurrentDomain
.ApplicationIdentity
== null)
144 throw new IsolatedStorageException (Locale
.GetText ("No ApplicationIdentity available for AppDomain."));
146 if (appEvidenceType
== null) {
147 // TODO - Choose evidence
150 // no exception here because this can work without CAS
151 storage_scope
= scope
;
153 public abstract void Remove ();