Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Security / Principal / IRCollection.cs / 1 / IRCollection.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== using System; using System.Collections; using System.Collections.Generic; namespace System.Security.Principal { [System.Runtime.InteropServices.ComVisible(false)] public class IdentityReferenceCollection : ICollection{ #region Private members // // Container enumerated by this collection // private ArrayList _Identities; #endregion #region Constructors // // Creates an empty collection of default size // public IdentityReferenceCollection() : this( 0 ) { } // // Creates an empty collection of given initial size // public IdentityReferenceCollection( int capacity ) { _Identities = new ArrayList( capacity ); } #endregion #region ICollection implementation public void CopyTo( IdentityReference[] array, int offset ) { _Identities.CopyTo( 0, array, offset, Count ); } public int Count { get { return _Identities.Count; } } public bool IsReadOnly { get { return false; } } public void Add( IdentityReference identity ) { if ( identity == null ) { throw new ArgumentNullException( "identity" ); } _Identities.Add( identity ); } public bool Remove( IdentityReference identity ) { if ( identity == null ) { throw new ArgumentNullException( "identity" ); } if ( Contains( identity )) { _Identities.Remove( identity ); return true; } return false; } public void Clear() { _Identities.Clear(); } public bool Contains( IdentityReference identity ) { if ( identity == null ) { throw new ArgumentNullException( "identity" ); } return _Identities.Contains( identity ); } #endregion #region IEnumerable implementation IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); } public IEnumerator GetEnumerator() { return new IdentityReferenceEnumerator( this ); } #endregion #region Public methods public IdentityReference this[int index] { get { return _Identities[index] as IdentityReference; } set { if ( value == null ) { throw new ArgumentNullException( "value" ); } _Identities[index] = value; } } internal ArrayList Identities { get { return _Identities; } } public IdentityReferenceCollection Translate( Type targetType ) { return Translate( targetType, false ); } public IdentityReferenceCollection Translate( Type targetType, bool forceSuccess ) { if ( targetType == null ) { throw new ArgumentNullException( "targetType" ); } // // Target type must be a subclass of IdentityReference // if ( !targetType.IsSubclassOf( typeof( IdentityReference ))) { throw new ArgumentException( Environment.GetResourceString( "IdentityReference_MustBeIdentityReference" ), "targetType" ); } // // if the source collection is empty, just return an empty collection // if (Identities.Count == 0) { return new IdentityReferenceCollection(); } int SourceSidsCount = 0; int SourceNTAccountsCount = 0; // // First, see how many of each of the source types we have. // The cases where source type == target type require no conversion. // for ( int i = 0; i < Identities.Count; i++ ) { Type type = Identities[i].GetType(); if ( type == targetType ) { continue; } else if ( type == typeof( SecurityIdentifier )) { SourceSidsCount += 1; } else if ( type == typeof( NTAccount )) { SourceNTAccountsCount += 1; } else { // // Rare case that we have defined a type of identity reference and // not included it in the code logic above (this is more like a bug in the implementation // but only as long as we do not allow IdentityReference to be subclassed outside of the BCL) // BCLDebug.Assert( false, "Source type is an IdentityReference type which has not been included in translation logic."); throw new SystemException(); } } bool Homogeneous = false; IdentityReferenceCollection SourceSids = null; IdentityReferenceCollection SourceNTAccounts = null; if ( SourceSidsCount == Count ) { Homogeneous = true; SourceSids = this; } else if ( SourceSidsCount > 0 ) { SourceSids = new IdentityReferenceCollection( SourceSidsCount ); } if ( SourceNTAccountsCount == Count ) { Homogeneous = true; SourceNTAccounts = this; } else if ( SourceNTAccountsCount > 0 ) { SourceNTAccounts = new IdentityReferenceCollection( SourceNTAccountsCount ); } // // Repackage only if the source is not homogeneous (contains different source types) // IdentityReferenceCollection Result = null; if ( !Homogeneous ) { Result = new IdentityReferenceCollection( Identities.Count ); for ( int i = 0; i < Identities.Count; i++ ) { IdentityReference id = this[i]; Type type = id.GetType(); if ( type == targetType ) { continue; } else if ( type == typeof( SecurityIdentifier )) { SourceSids.Add( id ); } else if ( type == typeof( NTAccount )) { SourceNTAccounts.Add( id ); } else { // // Rare case that we have defined a type of identity reference and // not included it in the code logic above (this is more like a bug in the implementation // but only as long as we do not allow IdentityReference to be subclassed outside of the BCL) // BCLDebug.Assert( false, "Source type is an IdentityReference type which has not been included in translation logic."); throw new SystemException(); } } } bool someFailed = false; IdentityReferenceCollection TargetSids = null, TargetNTAccounts = null; if ( SourceSidsCount > 0 ) { TargetSids = SecurityIdentifier.Translate( SourceSids, targetType, out someFailed ); if ( Homogeneous && !(forceSuccess && someFailed)) { Result = TargetSids; } } if ( SourceNTAccountsCount > 0 ) { TargetNTAccounts = NTAccount.Translate( SourceNTAccounts, targetType, out someFailed ); if ( Homogeneous && !(forceSuccess && someFailed)) { Result = TargetNTAccounts; } } if (forceSuccess && someFailed) { // // Need to throw an exception here and provide information regarding // which identity references could not be translated to the target type // Result = new IdentityReferenceCollection(); if (TargetSids != null) { foreach (IdentityReference id in TargetSids) { if ( id.GetType() != targetType ) { Result.Add(id); } } } if (TargetNTAccounts != null) { foreach (IdentityReference id in TargetNTAccounts) { if ( id.GetType() != targetType ) { Result.Add(id); } } } throw new IdentityNotMappedException( Environment.GetResourceString("IdentityReference_IdentityNotMapped"), Result); } else if ( !Homogeneous ) { SourceSidsCount = 0; SourceNTAccountsCount = 0; Result = new IdentityReferenceCollection( Identities.Count ); for ( int i = 0; i < Identities.Count; i++ ) { IdentityReference id = this[i]; Type type = id.GetType(); if ( type == targetType ) { Result.Add( id ); } else if ( type == typeof( SecurityIdentifier )) { Result.Add( TargetSids[SourceSidsCount++] ); } else if ( type == typeof( NTAccount )) { Result.Add( TargetNTAccounts[SourceNTAccountsCount++] ); } else { // // Rare case that we have defined a type of identity reference and // not included it in the code logic above (this is more like a bug in the implementation // but only as long as we do not allow IdentityReference to be subclassed outside of the BCL) // BCLDebug.Assert( false, "Source type is an IdentityReference type which has not been included in translation logic."); throw new SystemException(); } } } return Result; } #endregion } [System.Runtime.InteropServices.ComVisible(false)] internal class IdentityReferenceEnumerator : IEnumerator { #region Private members // // Current enumeration index // private int _Current; // // Parent collection // private readonly IdentityReferenceCollection _Collection; #endregion #region Constructors internal IdentityReferenceEnumerator( IdentityReferenceCollection collection ) { if ( collection == null ) { throw new ArgumentNullException( "collection" ); } _Collection = collection; _Current = -1; } #endregion #region IEnumerator implementation /// object IEnumerator.Current { get { return _Collection.Identities[_Current]; } } public IdentityReference Current { get { return (( IEnumerator )this).Current as IdentityReference; } } public bool MoveNext() { _Current++; return ( _Current < _Collection.Count ); } public void Reset() { _Current = -1; } void IDisposable.Dispose() { Dispose(); } protected void Dispose() {} #endregion } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- MetadataCollection.cs
- DelayedRegex.cs
- XMLDiffLoader.cs
- XmlSchemaSimpleContent.cs
- TextEditorTyping.cs
- MimeXmlReflector.cs
- DispatchRuntime.cs
- Events.cs
- MarkupCompilePass1.cs
- Tokenizer.cs
- StructuredType.cs
- X500Name.cs
- LinqMaximalSubtreeNominator.cs
- DataTableExtensions.cs
- Merger.cs
- LogicalExpressionEditor.cs
- CompilationSection.cs
- ITextView.cs
- Pair.cs
- PageThemeCodeDomTreeGenerator.cs
- AddressAlreadyInUseException.cs
- PriorityBindingExpression.cs
- GridViewDeletedEventArgs.cs
- GridSplitter.cs
- CalloutQueueItem.cs
- CompilerResults.cs
- RefreshEventArgs.cs
- HtmlAnchor.cs
- AutomationFocusChangedEventArgs.cs
- TailPinnedEventArgs.cs
- HMAC.cs
- XmlDataContract.cs
- loginstatus.cs
- AffineTransform3D.cs
- FrameworkElement.cs
- XmlSchemaSimpleContentRestriction.cs
- ControlType.cs
- CounterSetInstanceCounterDataSet.cs
- Triplet.cs
- ColumnResizeUndoUnit.cs
- AttributeTable.cs
- EventBuilder.cs
- SizeFConverter.cs
- ConfigurationFileMap.cs
- TimelineGroup.cs
- FormsAuthenticationUser.cs
- safelinkcollection.cs
- UInt16.cs
- OledbConnectionStringbuilder.cs
- SqlDataSourceCommandParser.cs
- SendOperation.cs
- ProjectionPruner.cs
- AlternateView.cs
- ScrollableControl.cs
- TransactionsSectionGroup.cs
- ObsoleteAttribute.cs
- WebSysDescriptionAttribute.cs
- NameHandler.cs
- SemanticBasicElement.cs
- DragEvent.cs
- SecureEnvironment.cs
- SafeThreadHandle.cs
- CodeArrayCreateExpression.cs
- XmlValidatingReaderImpl.cs
- EntityDataSourceView.cs
- ActivityExecutor.cs
- DateBoldEvent.cs
- HandleValueEditor.cs
- ParallelEnumerableWrapper.cs
- SqlDataReaderSmi.cs
- BlockCollection.cs
- TextElementCollectionHelper.cs
- CroppedBitmap.cs
- SecurityPolicySection.cs
- InvalidEnumArgumentException.cs
- TransformProviderWrapper.cs
- AssociatedControlConverter.cs
- ButtonBaseAutomationPeer.cs
- StoryFragments.cs
- FormClosingEvent.cs
- Publisher.cs
- DbDataReader.cs
- ProfileGroupSettings.cs
- CreateDataSourceDialog.cs
- CapabilitiesAssignment.cs
- WindowsListView.cs
- WindowsFormsHostPropertyMap.cs
- ServiceReflector.cs
- Point3DCollection.cs
- FieldAccessException.cs
- SoapIncludeAttribute.cs
- PageThemeBuildProvider.cs
- SQLInt64.cs
- EnumValidator.cs
- CursorConverter.cs
- CaseInsensitiveOrdinalStringComparer.cs
- HandlerWithFactory.cs
- ExtendedProtectionPolicy.cs
- SortFieldComparer.cs
- FlatButtonAppearance.cs