Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Security / Policy / FirstMatchCodeGroup.cs / 1 / FirstMatchCodeGroup.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // FirstMatchCodeGroup.cs // // Representation for code groups used for the policy mechanism // namespace System.Security.Policy { using System; using System.Security.Util; using System.Security; using System.Collections; [Serializable] [System.Runtime.InteropServices.ComVisible(true)] sealed public class FirstMatchCodeGroup : CodeGroup { internal FirstMatchCodeGroup() : base() { } public FirstMatchCodeGroup( IMembershipCondition membershipCondition, PolicyStatement policy ) : base( membershipCondition, policy ) { } public override PolicyStatement Resolve( Evidence evidence ) { if (evidence == null) throw new ArgumentNullException("evidence"); if (this.MembershipCondition.Check( evidence )) { PolicyStatement childPolicy = null; IEnumerator enumerator = this.Children.GetEnumerator(); while (enumerator.MoveNext()) { childPolicy = ((CodeGroup)enumerator.Current).Resolve( evidence ); // If the child has a policy, we are done. if (childPolicy != null) break; } PolicyStatement thisPolicy = this.PolicyStatement; if (thisPolicy == null) { return childPolicy; } else if (childPolicy != null) { // Combine the child and this policy and return it. PolicyStatement combined = new PolicyStatement(); combined.SetPermissionSetNoCopy( thisPolicy.GetPermissionSetNoCopy().Union( childPolicy.GetPermissionSetNoCopy() ) ); // if both this group and matching child group are exclusive we need to throw an exception if (((thisPolicy.Attributes & childPolicy.Attributes) & PolicyStatementAttribute.Exclusive) == PolicyStatementAttribute.Exclusive) throw new PolicyException( Environment.GetResourceString( "Policy_MultipleExclusive" ) ); combined.Attributes = thisPolicy.Attributes | childPolicy.Attributes; return combined; } else { // Otherwise we just copy the this policy. return this.PolicyStatement; } } else { return null; } } public override CodeGroup ResolveMatchingCodeGroups( Evidence evidence ) { if (evidence == null) throw new ArgumentNullException("evidence"); if (this.MembershipCondition.Check( evidence )) { CodeGroup retGroup = this.Copy(); retGroup.Children = new ArrayList(); IEnumerator enumerator = this.Children.GetEnumerator(); while (enumerator.MoveNext()) { CodeGroup matchingGroups = ((CodeGroup)enumerator.Current).ResolveMatchingCodeGroups( evidence ); // If the child has a policy, we are done. if (matchingGroups != null) { retGroup.AddChild( matchingGroups ); break; } } return retGroup; } else { return null; } } public override CodeGroup Copy() { FirstMatchCodeGroup group = new FirstMatchCodeGroup(); group.MembershipCondition = this.MembershipCondition; group.PolicyStatement = this.PolicyStatement; group.Name = this.Name; group.Description = this.Description; IEnumerator enumerator = this.Children.GetEnumerator(); while (enumerator.MoveNext()) { group.AddChild( (CodeGroup)enumerator.Current ); } return group; } public override String MergeLogic { get { return Environment.GetResourceString( "MergeLogic_FirstMatch" ); } } internal override String GetTypeName() { return "System.Security.Policy.FirstMatchCodeGroup"; } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- Int64AnimationUsingKeyFrames.cs
- DynamicRenderer.cs
- StreamGeometry.cs
- DirectionalLight.cs
- RequestNavigateEventArgs.cs
- SkewTransform.cs
- Rfc2898DeriveBytes.cs
- SchemaEntity.cs
- XmlHierarchicalEnumerable.cs
- CellRelation.cs
- StatusBarItem.cs
- ItemContainerGenerator.cs
- PropertyGrid.cs
- HtmlInputImage.cs
- BrowsableAttribute.cs
- Zone.cs
- MimeTypePropertyAttribute.cs
- XamlSerializer.cs
- WindowHideOrCloseTracker.cs
- MemberPath.cs
- CodeDomConfigurationHandler.cs
- ElementProxy.cs
- Token.cs
- FrameworkReadOnlyPropertyMetadata.cs
- CLSCompliantAttribute.cs
- ExclusiveTcpListener.cs
- TreeNodeStyleCollection.cs
- GetImportedCardRequest.cs
- CodeAttributeDeclarationCollection.cs
- VisualStateManager.cs
- WebPartEditorApplyVerb.cs
- CodeIdentifier.cs
- TrackingServices.cs
- ObjectParameterCollection.cs
- AspCompat.cs
- BrowserInteropHelper.cs
- TreeViewHitTestInfo.cs
- IDataContractSurrogate.cs
- DataGridViewRowContextMenuStripNeededEventArgs.cs
- HwndHost.cs
- HtmlTable.cs
- CompilerParameters.cs
- DocumentPageViewAutomationPeer.cs
- MailAddressCollection.cs
- Sql8ConformanceChecker.cs
- Membership.cs
- ToolStripContainerDesigner.cs
- GraphicsContainer.cs
- BamlBinaryWriter.cs
- PageStatePersister.cs
- CellNormalizer.cs
- SchemaInfo.cs
- CodeTypeDelegate.cs
- _SslState.cs
- DataSourceCacheDurationConverter.cs
- CodeObjectCreateExpression.cs
- XPathSelfQuery.cs
- SqlDataSourceAdvancedOptionsForm.cs
- XmlSchemaAnnotated.cs
- InputLangChangeRequestEvent.cs
- LoggedException.cs
- SortKey.cs
- AlignmentXValidation.cs
- UnsafeNativeMethods.cs
- Bidi.cs
- XmlReflectionImporter.cs
- PerformanceCounterPermission.cs
- Span.cs
- OleDbError.cs
- CryptoStream.cs
- _ProxyChain.cs
- EntityParameterCollection.cs
- ProgressBarRenderer.cs
- PixelShader.cs
- Visual3DCollection.cs
- SecurityState.cs
- ExceptionTrace.cs
- WebPartDescription.cs
- QilLoop.cs
- Overlapped.cs
- CachedPathData.cs
- LogicalTreeHelper.cs
- listitem.cs
- MdiWindowListStrip.cs
- WebResourceAttribute.cs
- TemplateManager.cs
- SqlCacheDependencyDatabase.cs
- ObjectSpanRewriter.cs
- Button.cs
- IssuanceLicense.cs
- CodeRemoveEventStatement.cs
- ContextMarshalException.cs
- Overlapped.cs
- DataSourceView.cs
- ResourceDisplayNameAttribute.cs
- ModelItemCollectionImpl.cs
- FontCollection.cs
- OpenTypeLayout.cs
- ClientConfigurationSystem.cs
- DrawingVisualDrawingContext.cs