Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Common / AuthoringOM / Compiler / Validation / Validator.cs / 1305376 / Validator.cs
namespace System.Workflow.ComponentModel.Compiler { using System; using System.Reflection; using System.Collections; using System.Collections.Generic; #region Class Validator public class Validator { public virtual ValidationErrorCollection Validate(ValidationManager manager, object obj) { if (manager == null) throw new ArgumentNullException("manager"); if (obj == null) throw new ArgumentNullException("obj"); return new ValidationErrorCollection(); } public virtual ValidationError ValidateActivityChange(Activity activity, ActivityChangeAction action) { if (activity == null) throw new ArgumentNullException("activity"); if (action == null) throw new ArgumentNullException("action"); return null; } public virtual ValidationErrorCollection ValidateProperties(ValidationManager manager, object obj) { if (manager == null) throw new ArgumentNullException("manager"); if (obj == null) throw new ArgumentNullException("obj"); ValidationErrorCollection errors = new ValidationErrorCollection(); Activity activity = manager.Context[typeof(Activity)] as Activity; // Validate all members that support validations. Walker walker = new Walker(true); walker.FoundProperty += delegate(Walker w, WalkerEventArgs args) { //If we find dynamic property of the same name then we do not invoke the validator associated with the property //Attached dependency properties will not be found by FromName(). // args.CurrentProperty can be null if the property is of type IList. The walker would go into each item in the // list, but we don't need to validate these items. if (args.CurrentProperty != null) { DependencyProperty dependencyProperty = DependencyProperty.FromName(args.CurrentProperty.Name, args.CurrentProperty.DeclaringType); if (dependencyProperty == null) { object[] validationVisibilityAtrributes = args.CurrentProperty.GetCustomAttributes(typeof(ValidationOptionAttribute), true); ValidationOption validationVisibility = (validationVisibilityAtrributes.Length > 0) ? ((ValidationOptionAttribute)validationVisibilityAtrributes[0]).ValidationOption : ValidationOption.Optional; if (validationVisibility != ValidationOption.None) { errors.AddRange(ValidateProperty(args.CurrentProperty, args.CurrentPropertyOwner, args.CurrentValue, manager)); // don't probe into subproperties as validate object inside the ValidateProperties call does it for us args.Action = WalkerAction.Skip; } } } }; walker.WalkProperties(activity, obj); return errors; } protected string GetFullPropertyName(ValidationManager manager) { if (manager == null) throw new ArgumentNullException("manager"); string fullName = string.Empty; // iterate the properties in the stack starting with the last one int iterator = 0; while (manager.Context[iterator] != null) { if (manager.Context[iterator] is PropertyValidationContext) { PropertyValidationContext propertyValidationContext = manager.Context[iterator] as PropertyValidationContext; if (propertyValidationContext.PropertyName == string.Empty) fullName = string.Empty; // property chain broke... dicard properties after break else if (fullName == string.Empty) fullName = propertyValidationContext.PropertyName; else fullName = propertyValidationContext.PropertyName + "." + fullName; } iterator++; } return fullName; } internal protected ValidationErrorCollection ValidateProperty(PropertyInfo propertyInfo, object propertyOwner, object propertyValue, ValidationManager manager) { ValidationErrorCollection errors = new ValidationErrorCollection(); object[] validationVisibilityAtrributes = propertyInfo.GetCustomAttributes(typeof(ValidationOptionAttribute), true); ValidationOption validationVisibility = (validationVisibilityAtrributes.Length > 0) ? ((ValidationOptionAttribute)validationVisibilityAtrributes[0]).ValidationOption : ValidationOption.Optional; PropertyValidationContext propertyValidationContext = new PropertyValidationContext(propertyOwner, propertyInfo, propertyInfo.Name); manager.Context.Push(propertyValidationContext); try { if (propertyValue != null) { errors.AddRange(ValidationHelpers.ValidateObject(manager, propertyValue)); if (propertyValue is IList) { PropertyValidationContext childContext = new PropertyValidationContext(propertyValue, null, ""); manager.Context.Push(childContext); try { foreach (object child in (IList)propertyValue) errors.AddRange(ValidationHelpers.ValidateObject(manager, child)); } finally { System.Diagnostics.Debug.Assert(manager.Context.Current == childContext, "Unwinding contextStack: the item that is about to be popped is not the one we pushed."); manager.Context.Pop(); } } } } finally { System.Diagnostics.Debug.Assert(manager.Context.Current == propertyValidationContext, "Unwinding contextStack: the item that is about to be popped is not the one we pushed."); manager.Context.Pop(); } return errors; } } #endregion } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- NamespaceImport.cs
- CompilerLocalReference.cs
- StorageComplexPropertyMapping.cs
- QilUnary.cs
- Expressions.cs
- SimpleWebHandlerParser.cs
- TcpConnectionPoolSettings.cs
- MsmqIntegrationAppDomainProtocolHandler.cs
- ArithmeticException.cs
- GlobalizationSection.cs
- OleDbStruct.cs
- DataGridViewRowDividerDoubleClickEventArgs.cs
- Visual3D.cs
- Figure.cs
- NameNode.cs
- Span.cs
- TextClipboardData.cs
- XmlTextReaderImpl.cs
- EditorPartChrome.cs
- WebPartConnection.cs
- AccessViolationException.cs
- ClientScriptManager.cs
- ProgressBar.cs
- ExtractCollection.cs
- PermissionToken.cs
- DesignSurfaceManager.cs
- DataGridHeaderBorder.cs
- TraceUtils.cs
- WebPartConnectionsConfigureVerb.cs
- CacheVirtualItemsEvent.cs
- DataTableReaderListener.cs
- GlobalizationAssembly.cs
- ExceptionAggregator.cs
- ExpressionSelection.cs
- XmlnsCompatibleWithAttribute.cs
- HttpHeaderCollection.cs
- MarkerProperties.cs
- IgnoreFlushAndCloseStream.cs
- NumberFormatInfo.cs
- CoreSwitches.cs
- InterleavedZipPartStream.cs
- Pens.cs
- WmpBitmapDecoder.cs
- RegexGroupCollection.cs
- BuildResultCache.cs
- DataGridViewTextBoxColumn.cs
- DataExpression.cs
- DataTemplateKey.cs
- DataGridViewRowsAddedEventArgs.cs
- CategoryAttribute.cs
- DictionaryManager.cs
- ShaderRenderModeValidation.cs
- EventBuilder.cs
- CatalogZoneDesigner.cs
- SQLBinary.cs
- SchemaAttDef.cs
- SynchronizationFilter.cs
- InfoCardTrace.cs
- ToolTipAutomationPeer.cs
- XmlQuerySequence.cs
- KeyValueInternalCollection.cs
- MemberInfoSerializationHolder.cs
- WizardPanel.cs
- Wildcard.cs
- TemplateControlParser.cs
- HttpAsyncResult.cs
- HttpCapabilitiesSectionHandler.cs
- PassportAuthenticationModule.cs
- RegisterInfo.cs
- ReflectionUtil.cs
- Domain.cs
- ForAllOperator.cs
- CallbackValidatorAttribute.cs
- listitem.cs
- EditorPart.cs
- TrustSection.cs
- D3DImage.cs
- ComboBox.cs
- ToolBarButtonClickEvent.cs
- InsufficientMemoryException.cs
- DocumentSequenceHighlightLayer.cs
- ItemsChangedEventArgs.cs
- SchemaAttDef.cs
- DateTimeFormat.cs
- TokenizerHelper.cs
- DesignerSerializationManager.cs
- SpecialFolderEnumConverter.cs
- InternalCache.cs
- SchemaElementLookUpTable.cs
- DataTableClearEvent.cs
- SecurityElement.cs
- MailHeaderInfo.cs
- ClientUtils.cs
- PageAction.cs
- ObjectTag.cs
- OdbcConnectionPoolProviderInfo.cs
- ArgumentException.cs
- DesignBindingEditor.cs
- TextTreeNode.cs
- LateBoundBitmapDecoder.cs