Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / security / system / security / permissions / storepermission.cs / 1 / storepermission.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // StorePermission.cs // namespace System.Security.Permissions { using System.Globalization; [Serializable()] public sealed class StorePermission : CodeAccessPermission, IUnrestrictedPermission { private StorePermissionFlags m_flags; public StorePermission (PermissionState state) { if (state == PermissionState.Unrestricted) m_flags = StorePermissionFlags.AllFlags; else if (state == PermissionState.None) m_flags = StorePermissionFlags.NoFlags; else throw new ArgumentException(SR.GetString(SR.Argument_InvalidPermissionState)); } public StorePermission (StorePermissionFlags flag) { VerifyFlags(flag); m_flags = flag; } public StorePermissionFlags Flags { set { VerifyFlags(value); m_flags = value; } get { return m_flags; } } // // IUnrestrictedPermission implementation // public bool IsUnrestricted () { return m_flags == StorePermissionFlags.AllFlags; } // // IPermission implementation // public override IPermission Union (IPermission target) { if (target == null) return this.Copy(); try { StorePermission operand = (StorePermission) target; StorePermissionFlags flag_union = m_flags | operand.m_flags; if (flag_union == StorePermissionFlags.NoFlags) return null; else return new StorePermission(flag_union); } catch (InvalidCastException) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SR.GetString(SR.Argument_WrongType), this.GetType().FullName)); } } public override bool IsSubsetOf (IPermission target) { if (target == null) return m_flags == StorePermissionFlags.NoFlags; try { StorePermission operand = (StorePermission) target; StorePermissionFlags sourceFlag = this.m_flags; StorePermissionFlags targetFlag = operand.m_flags; return ((sourceFlag & targetFlag) == sourceFlag); } catch (InvalidCastException) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SR.GetString(SR.Argument_WrongType), this.GetType().FullName)); } } public override IPermission Intersect (IPermission target) { if (target == null) return null; try { StorePermission operand = (StorePermission) target; StorePermissionFlags flag_intersect = operand.m_flags & this.m_flags; if (flag_intersect == StorePermissionFlags.NoFlags) return null; else return new StorePermission(flag_intersect); } catch (InvalidCastException) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SR.GetString(SR.Argument_WrongType), this.GetType().FullName)); } } public override IPermission Copy () { if (this.Flags == StorePermissionFlags.NoFlags) return null; return new StorePermission((StorePermissionFlags)m_flags); } public override SecurityElement ToXml () { SecurityElement securityElement = new SecurityElement("IPermission"); securityElement.AddAttribute("class", this.GetType().FullName + ", " + this.GetType().Module.Assembly.FullName.Replace('\"', '\'')); securityElement.AddAttribute("version", "1"); if (!IsUnrestricted()) securityElement.AddAttribute("Flags", m_flags.ToString()); else securityElement.AddAttribute("Unrestricted", "true"); return securityElement; } public override void FromXml (SecurityElement securityElement) { if (securityElement == null) throw new ArgumentNullException("securityElement"); string className = securityElement.Attribute("class"); if (className == null || className.IndexOf(this.GetType().FullName, StringComparison.Ordinal) == -1) throw new ArgumentException(SR.GetString(SR.Argument_InvalidClassAttribute), "securityElement"); string unrestricted = securityElement.Attribute("Unrestricted"); if (unrestricted != null && String.Compare(unrestricted, "true", StringComparison.OrdinalIgnoreCase) == 0) { m_flags = StorePermissionFlags.AllFlags; return; } m_flags = StorePermissionFlags.NoFlags; String strFlags = securityElement.Attribute("Flags"); if (strFlags != null) { StorePermissionFlags flags = (StorePermissionFlags) Enum.Parse(typeof(StorePermissionFlags), strFlags); VerifyFlags(flags); m_flags = flags; } } internal static void VerifyFlags (StorePermissionFlags flags) { if ((flags & ~StorePermissionFlags.AllFlags) != 0) throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SR.GetString(SR.Arg_EnumIllegalVal), (int)flags)); } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- XmlSerializationGeneratedCode.cs
- WorkflowViewElement.cs
- DataBoundControlParameterTarget.cs
- NamespaceEmitter.cs
- BinaryFormatterWriter.cs
- EditingCommands.cs
- ChannelFactory.cs
- BamlTreeMap.cs
- InternalUserCancelledException.cs
- HebrewNumber.cs
- InstanceContext.cs
- SemaphoreSecurity.cs
- XmlValidatingReader.cs
- AxisAngleRotation3D.cs
- Cloud.cs
- SqlMultiplexer.cs
- SoapParser.cs
- ResourceDictionary.cs
- EntityDataSourceDataSelection.cs
- ColumnHeaderCollectionEditor.cs
- CreateUserWizard.cs
- ReadWriteSpinLock.cs
- ExceptionDetail.cs
- SqlComparer.cs
- DataGridViewAutoSizeModeEventArgs.cs
- FunctionGenerator.cs
- ConstraintCollection.cs
- ErrorLog.cs
- GAC.cs
- DragDrop.cs
- updatecommandorderer.cs
- RegexNode.cs
- ServiceOperation.cs
- CompleteWizardStep.cs
- HttpModule.cs
- Point3DConverter.cs
- WindowsStartMenu.cs
- XmlAtomicValue.cs
- DiscoveryEndpointValidator.cs
- webproxy.cs
- DesignParameter.cs
- CodeDirectiveCollection.cs
- ObjectAnimationBase.cs
- CodeDelegateInvokeExpression.cs
- DuplicateDetector.cs
- Oci.cs
- TimerElapsedEvenArgs.cs
- ToolStripContentPanelRenderEventArgs.cs
- ParseHttpDate.cs
- WindowsFont.cs
- IBuiltInEvidence.cs
- WebPartEditorOkVerb.cs
- LicenseContext.cs
- QilLoop.cs
- CodeStatement.cs
- BlockUIContainer.cs
- TextServicesDisplayAttributePropertyRanges.cs
- RectangleConverter.cs
- StrokeCollectionDefaultValueFactory.cs
- PanelDesigner.cs
- SingleTagSectionHandler.cs
- TemplateContentLoader.cs
- JoinTreeNode.cs
- Empty.cs
- BamlStream.cs
- DockAndAnchorLayout.cs
- ToolStripSystemRenderer.cs
- ObjectContextServiceProvider.cs
- ContentElement.cs
- DbTransaction.cs
- JapaneseLunisolarCalendar.cs
- ClientRoleProvider.cs
- RequestCacheManager.cs
- ToolStripSplitButton.cs
- PageContentAsyncResult.cs
- PerfCounters.cs
- InputLanguageEventArgs.cs
- WebPartCatalogAddVerb.cs
- StrokeCollectionDefaultValueFactory.cs
- InvalidDataContractException.cs
- QueryLifecycle.cs
- WebWorkflowRole.cs
- OverflowException.cs
- Shared.cs
- FactoryRecord.cs
- XomlCompilerParameters.cs
- DocumentViewer.cs
- EnlistmentTraceIdentifier.cs
- SHA512CryptoServiceProvider.cs
- ZipIOCentralDirectoryDigitalSignature.cs
- DataSourceProvider.cs
- ActivityStateRecord.cs
- LinearGradientBrush.cs
- InputBuffer.cs
- ManagedWndProcTracker.cs
- PerformanceCounters.cs
- CustomValidator.cs
- SqlBulkCopyColumnMapping.cs
- EditorAttributeInfo.cs
- MiniLockedBorderGlyph.cs