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namespace System.Workflow.ComponentModel.Serialization
{
using System;
using System.IO;
using System.CodeDom;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.ComponentModel.Design.Serialization;
using System.Collections;
using System.Xml;
using System.Xml.Serialization;
using System.Reflection;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using System.Globalization;
using System.Workflow.ComponentModel.Compiler;
using System.Workflow.ComponentModel.Design;
using System.Runtime.Serialization;
using System.Security.Permissions;
using System.Collections.ObjectModel;
using System.Drawing;
#region Mapping Support
#region Mapping
internal sealed class WorkflowMarkupSerializerMapping
{
private static readonly Dictionary<string, Type> wellKnownTypes;
private static readonly List<WorkflowMarkupSerializerMapping> wellKnownMappings;
private static readonly WorkflowMarkupSerializerMapping Activities;
private static readonly WorkflowMarkupSerializerMapping ComponentModel;
private static readonly WorkflowMarkupSerializerMapping Serialization;
private static readonly WorkflowMarkupSerializerMapping Rules;
private static readonly WorkflowMarkupSerializerMapping ComponentModelDesign;
private string xmlns = String.Empty;
private string clrns = String.Empty;
private string targetAssemblyName = String.Empty;
private string prefix = String.Empty;
private string unifiedAssemblyName = String.Empty;
static WorkflowMarkupSerializerMapping()
{
WorkflowMarkupSerializerMapping.wellKnownTypes = new Dictionary<string, Type>();
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(ThrowActivity).Name, typeof(ThrowActivity));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(ThrowDesigner).Name, typeof(ThrowDesigner));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(SuspendActivity).Name, typeof(SuspendActivity));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(SuspendDesigner).Name, typeof(SuspendDesigner));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(CancellationHandlerActivity).Name, typeof(CancellationHandlerActivity));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(CancellationHandlerActivityDesigner).Name, typeof(CancellationHandlerActivityDesigner));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(CompensateActivity).Name, typeof(CompensateActivity));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(CompensateDesigner).Name, typeof(CompensateDesigner));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(CompensationHandlerActivity).Name, typeof(CompensationHandlerActivity));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(CompensationHandlerActivityDesigner).Name, typeof(CompensationHandlerActivityDesigner));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(FaultHandlerActivity).Name, typeof(FaultHandlerActivity));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(FaultHandlerActivityDesigner).Name, typeof(FaultHandlerActivityDesigner));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(FaultHandlersActivity).Name, typeof(FaultHandlersActivity));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(FaultHandlersActivityDesigner).Name, typeof(FaultHandlersActivityDesigner));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(SynchronizationScopeActivity).Name, typeof(SynchronizationScopeActivity));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(SequenceDesigner).Name, typeof(SequenceDesigner));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(TransactionScopeActivity).Name, typeof(TransactionScopeActivity));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(TransactionScopeActivityDesigner).Name, typeof(TransactionScopeActivityDesigner));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(PropertySegment).Name, typeof(PropertySegment));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(CompensatableTransactionScopeActivity).Name, typeof(CompensatableTransactionScopeActivity));
WorkflowMarkupSerializerMapping.wellKnownTypes.Add(typeof(ActivityDesigner).Name, typeof(ActivityDesigner));
//I am hard coding the well known mappings here instead of going through the assemblies as we want the mappings to be in
//a specific order for performance optimization when searching for type
WorkflowMarkupSerializerMapping.wellKnownMappings = new List<WorkflowMarkupSerializerMapping>();
WorkflowMarkupSerializerMapping.Activities = new WorkflowMarkupSerializerMapping(StandardXomlKeys.WorkflowPrefix, StandardXomlKeys.WorkflowXmlNs, "System.Workflow.Activities", AssemblyRef.ActivitiesAssemblyRef);
WorkflowMarkupSerializerMapping.wellKnownMappings.Add(WorkflowMarkupSerializerMapping.Activities);
WorkflowMarkupSerializerMapping.ComponentModel = new WorkflowMarkupSerializerMapping(StandardXomlKeys.WorkflowPrefix, StandardXomlKeys.WorkflowXmlNs, "System.Workflow.ComponentModel", Assembly.GetExecutingAssembly().FullName);
WorkflowMarkupSerializerMapping.wellKnownMappings.Add(WorkflowMarkupSerializerMapping.ComponentModel);
WorkflowMarkupSerializerMapping.Serialization = new WorkflowMarkupSerializerMapping(StandardXomlKeys.Definitions_XmlNs_Prefix, StandardXomlKeys.Definitions_XmlNs, "System.Workflow.ComponentModel.Serialization", Assembly.GetExecutingAssembly().FullName);
WorkflowMarkupSerializerMapping.wellKnownMappings.Add(WorkflowMarkupSerializerMapping.Serialization);
WorkflowMarkupSerializerMapping.Rules = new WorkflowMarkupSerializerMapping(StandardXomlKeys.WorkflowPrefix, StandardXomlKeys.WorkflowXmlNs, "System.Workflow.Activities.Rules", AssemblyRef.ActivitiesAssemblyRef);
WorkflowMarkupSerializerMapping.wellKnownMappings.Add(WorkflowMarkupSerializerMapping.Rules);
WorkflowMarkupSerializerMapping.ComponentModelDesign = new WorkflowMarkupSerializerMapping(StandardXomlKeys.WorkflowPrefix, StandardXomlKeys.WorkflowXmlNs, "System.Workflow.ComponentModel.Design", Assembly.GetExecutingAssembly().FullName);
WorkflowMarkupSerializerMapping.wellKnownMappings.Add(WorkflowMarkupSerializerMapping.ComponentModelDesign);
WorkflowMarkupSerializerMapping.wellKnownMappings.Add(new WorkflowMarkupSerializerMapping(StandardXomlKeys.WorkflowPrefix, StandardXomlKeys.WorkflowXmlNs, "System.Workflow.Runtime", AssemblyRef.RuntimeAssemblyRef));
WorkflowMarkupSerializerMapping.wellKnownMappings.Add(new WorkflowMarkupSerializerMapping(StandardXomlKeys.WorkflowPrefix, StandardXomlKeys.WorkflowXmlNs, "System.Workflow.ComponentModel.Compiler", Assembly.GetExecutingAssembly().FullName));
WorkflowMarkupSerializerMapping.wellKnownMappings.Add(new WorkflowMarkupSerializerMapping(StandardXomlKeys.WorkflowPrefix, StandardXomlKeys.WorkflowXmlNs, "System.Workflow.Activities.Rules.Design", AssemblyRef.ActivitiesAssemblyRef));
WorkflowMarkupSerializerMapping.wellKnownMappings.Add(new WorkflowMarkupSerializerMapping(StandardXomlKeys.WorkflowPrefix, StandardXomlKeys.WorkflowXmlNs, "System.Workflow.Runtime.Configuration", AssemblyRef.RuntimeAssemblyRef));
WorkflowMarkupSerializerMapping.wellKnownMappings.Add(new WorkflowMarkupSerializerMapping(StandardXomlKeys.WorkflowPrefix, StandardXomlKeys.WorkflowXmlNs, "System.Workflow.Runtime.Hosting", AssemblyRef.RuntimeAssemblyRef));
WorkflowMarkupSerializerMapping.wellKnownMappings.Add(new WorkflowMarkupSerializerMapping(StandardXomlKeys.WorkflowPrefix, StandardXomlKeys.WorkflowXmlNs, "System.Workflow.Runtime.Tracking", AssemblyRef.RuntimeAssemblyRef));
}
public WorkflowMarkupSerializerMapping(string prefix, string xmlNamespace, string clrNamespace, string assemblyName)
{
if (prefix == null)
throw new ArgumentNullException("prefix");
if (xmlNamespace == null)
throw new ArgumentNullException("xmlNamespace");
if (clrNamespace == null)
throw new ArgumentNullException("clrNamespace");
if (assemblyName == null)
throw new ArgumentNullException("assemblyName");
this.prefix = prefix;
this.xmlns = xmlNamespace;
this.clrns = clrNamespace;
this.targetAssemblyName = assemblyName;
this.unifiedAssemblyName = assemblyName;
}
public WorkflowMarkupSerializerMapping(string prefix, string xmlNamespace, string clrNamespace, string targetAssemblyName, string unifiedAssemblyName)
{
if (prefix == null)
throw new ArgumentNullException("prefix");
if (xmlNamespace == null)
throw new ArgumentNullException("xmlNamespace");
if (clrNamespace == null)
throw new ArgumentNullException("clrNamespace");
if (targetAssemblyName == null)
throw new ArgumentNullException("targetAssemblyName");
if (unifiedAssemblyName == null)
throw new ArgumentNullException("unifiedAssemblyName");
this.prefix = prefix;
this.xmlns = xmlNamespace;
this.clrns = clrNamespace;
this.targetAssemblyName = targetAssemblyName;
this.unifiedAssemblyName = unifiedAssemblyName;
}
public override bool Equals(object value)
{
WorkflowMarkupSerializerMapping mapping = value as WorkflowMarkupSerializerMapping;
if (mapping == null)
{
return false;
}
//
// This class is intended to make MT scenarios easier by holding both the target and the unified (current)
// assembly names. They both represent the same type in this container and thus the both need to match to be equal.
// This makes it easier to make this classes default (static constructor) work better with MT in the rest of the codebase.
if (this.clrns == mapping.clrns &&
this.targetAssemblyName == mapping.targetAssemblyName &&
this.unifiedAssemblyName == mapping.unifiedAssemblyName)
{
return true;
}
return false;
}
public override int GetHashCode()
{
return (ClrNamespace.GetHashCode() ^ this.unifiedAssemblyName.GetHashCode());
}
public string ClrNamespace
{
get
{
return this.clrns;
}
}
public string XmlNamespace
{
get
{
return this.xmlns;
}
}
public string AssemblyName
{
get
{
return this.targetAssemblyName;
}
}
public string Prefix
{
get
{
return this.prefix;
}
}
#region Namespace Helpers
internal static IList<WorkflowMarkupSerializerMapping> WellKnownMappings
{
get
{
return WorkflowMarkupSerializerMapping.wellKnownMappings;
}
}
internal static Type ResolveWellKnownTypes(WorkflowMarkupSerializationManager manager, string xmlns, string typeName)
{
Type resolvedType = null;
List<WorkflowMarkupSerializerMapping> knownMappings = new List<WorkflowMarkupSerializerMapping>();
if (xmlns.Equals(StandardXomlKeys.WorkflowXmlNs, StringComparison.Ordinal))
{
if (!WorkflowMarkupSerializerMapping.wellKnownTypes.TryGetValue(typeName, out resolvedType))
{
if (typeName.EndsWith("Activity", StringComparison.OrdinalIgnoreCase))
{
knownMappings.Add(WorkflowMarkupSerializerMapping.Activities);
knownMappings.Add(WorkflowMarkupSerializerMapping.ComponentModel);
}
if (typeName.EndsWith("Designer", StringComparison.OrdinalIgnoreCase))
{
knownMappings.Add(WorkflowMarkupSerializerMapping.Activities);
knownMappings.Add(WorkflowMarkupSerializerMapping.ComponentModel);
knownMappings.Add(WorkflowMarkupSerializerMapping.ComponentModelDesign);
}
else if (typeName.EndsWith("Theme", StringComparison.OrdinalIgnoreCase))
{
knownMappings.Add(WorkflowMarkupSerializerMapping.ComponentModelDesign);
knownMappings.Add(WorkflowMarkupSerializerMapping.Activities);
}
else if (typeName.StartsWith("Rule", StringComparison.OrdinalIgnoreCase) ||
typeName.EndsWith("Action", StringComparison.OrdinalIgnoreCase))
{
knownMappings.Add(WorkflowMarkupSerializerMapping.Rules);
}
}
}
else if (xmlns.Equals(StandardXomlKeys.Definitions_XmlNs, StringComparison.Ordinal))
{
knownMappings.Add(WorkflowMarkupSerializerMapping.Serialization);
}
if (resolvedType == null)
{
foreach (WorkflowMarkupSerializerMapping mapping in knownMappings)
{
string fullyQualifiedTypeName = mapping.ClrNamespace + "." + typeName + ", " + mapping.AssemblyName;
resolvedType = manager.GetType(fullyQualifiedTypeName);
if (resolvedType != null)
break;
}
}
return resolvedType;
}
internal static void GetMappingsFromXmlNamespace(WorkflowMarkupSerializationManager serializationManager, string xmlNamespace, out IList<WorkflowMarkupSerializerMapping> matchingMappings, out IList<WorkflowMarkupSerializerMapping> collectedMappings)
{
matchingMappings = new List<WorkflowMarkupSerializerMapping>();
collectedMappings = new List<WorkflowMarkupSerializerMapping>();
XmlReader reader = serializationManager.WorkflowMarkupStack[typeof(XmlReader)] as XmlReader;
if (reader != null)
{
if (xmlNamespace.StartsWith(StandardXomlKeys.CLRNamespaceQualifier, StringComparison.OrdinalIgnoreCase))
{
//Format for the xmlnamespace: clr-namespace:[Namespace][;Assembly=[AssemblyName]]
bool invalidXmlnsFormat = false;
string clrNamespace = xmlNamespace.Substring(StandardXomlKeys.CLRNamespaceQualifier.Length).Trim();
string assemblyName = String.Empty;
int index = clrNamespace.IndexOf(';');
if (index != -1)
{
assemblyName = (index + 1 < clrNamespace.Length) ? clrNamespace.Substring(index + 1).Trim() : String.Empty;
clrNamespace = clrNamespace.Substring(0, index).Trim();
if (!assemblyName.StartsWith(StandardXomlKeys.AssemblyNameQualifier, StringComparison.OrdinalIgnoreCase))
invalidXmlnsFormat = true;
assemblyName = assemblyName.Substring(StandardXomlKeys.AssemblyNameQualifier.Length);
}
if (!invalidXmlnsFormat)
{
if (clrNamespace.Equals(StandardXomlKeys.GlobalNamespace, StringComparison.OrdinalIgnoreCase))
clrNamespace = String.Empty;
matchingMappings.Add(new WorkflowMarkupSerializerMapping(reader.Prefix, xmlNamespace, clrNamespace, assemblyName));
}
}
else
{
List<Assembly> referencedAssemblies = new List<Assembly>();
if (serializationManager.LocalAssembly != null)
referencedAssemblies.Add(serializationManager.LocalAssembly);
ITypeProvider typeProvider = serializationManager.GetService(typeof(ITypeProvider)) as ITypeProvider;
if (typeProvider != null)
referencedAssemblies.AddRange(typeProvider.ReferencedAssemblies);
foreach (Assembly assembly in referencedAssemblies)
{
object[] xmlnsDefinitions = assembly.GetCustomAttributes(typeof(XmlnsDefinitionAttribute), true);
if (xmlnsDefinitions != null)
{
foreach (XmlnsDefinitionAttribute xmlnsDefinition in xmlnsDefinitions)
{
string assemblyName = String.Empty;
if (serializationManager.LocalAssembly != assembly)
{
if (xmlnsDefinition.AssemblyName != null && xmlnsDefinition.AssemblyName.Trim().Length > 0)
assemblyName = xmlnsDefinition.AssemblyName;
else
assemblyName = assembly.FullName;
}
if (xmlnsDefinition.XmlNamespace.Equals(xmlNamespace, StringComparison.Ordinal))
matchingMappings.Add(new WorkflowMarkupSerializerMapping(reader.Prefix, xmlNamespace, xmlnsDefinition.ClrNamespace, assemblyName));
else
collectedMappings.Add(new WorkflowMarkupSerializerMapping(reader.Prefix, xmlNamespace, xmlnsDefinition.ClrNamespace, assemblyName));
}
}
}
}
}
}
internal static void GetMappingFromType(WorkflowMarkupSerializationManager manager, Type type, out WorkflowMarkupSerializerMapping matchingMapping, out IList<WorkflowMarkupSerializerMapping> collectedMappings)
{
matchingMapping = null;
collectedMappings = new List<WorkflowMarkupSerializerMapping>();
string clrNamespace = (type.Namespace != null) ? type.Namespace : String.Empty;
string xmlNamespace = String.Empty;
string assemblyName = String.Empty;
string prefix = String.Empty;
assemblyName = GetAssemblyName(type, manager);
if (type.Assembly.FullName.Equals(AssemblyRef.RuntimeAssemblyRef, StringComparison.Ordinal))
{
xmlNamespace = StandardXomlKeys.WorkflowXmlNs;
prefix = StandardXomlKeys.WorkflowPrefix;
}
if (type.Assembly.FullName.Equals(AssemblyRef.ActivitiesAssemblyRef, StringComparison.Ordinal))
{
xmlNamespace = StandardXomlKeys.WorkflowXmlNs;
prefix = StandardXomlKeys.WorkflowPrefix;
}
else if (type.Assembly == Assembly.GetExecutingAssembly())
{
xmlNamespace = StandardXomlKeys.WorkflowXmlNs;
prefix = StandardXomlKeys.WorkflowPrefix;
}
if (xmlNamespace.Length == 0)
{
//First lookup the type's assembly for XmlNsDefinitionAttribute
object[] xmlnsDefinitions = type.Assembly.GetCustomAttributes(typeof(XmlnsDefinitionAttribute), true);
foreach (XmlnsDefinitionAttribute xmlnsDefinition in xmlnsDefinitions)
{
xmlNamespace = xmlnsDefinition.XmlNamespace;
assemblyName = xmlnsDefinition.AssemblyName;
if (type.Assembly == manager.LocalAssembly)
assemblyName = String.Empty;
else if (String.IsNullOrEmpty(assemblyName))
assemblyName = GetAssemblyName(type, manager);
if (String.IsNullOrEmpty(xmlNamespace))
xmlNamespace = GetFormatedXmlNamespace(clrNamespace, assemblyName);
prefix = GetPrefix(manager, type.Assembly, xmlNamespace);
WorkflowMarkupSerializerMapping mapping = new WorkflowMarkupSerializerMapping(prefix, xmlNamespace, clrNamespace, assemblyName, type.Assembly.FullName);
if (xmlnsDefinition.ClrNamespace.Equals(clrNamespace, StringComparison.Ordinal) && matchingMapping == null)
matchingMapping = mapping;
else
collectedMappings.Add(mapping);
}
}
if (matchingMapping == null)
{
if (type.Assembly == manager.LocalAssembly)
assemblyName = String.Empty;
else if (String.IsNullOrEmpty(assemblyName))
assemblyName = GetAssemblyName(type, manager);
xmlNamespace = GetFormatedXmlNamespace(clrNamespace, assemblyName);
if (String.IsNullOrEmpty(prefix))
prefix = GetPrefix(manager, type.Assembly, xmlNamespace);
matchingMapping = new WorkflowMarkupSerializerMapping(prefix, xmlNamespace, clrNamespace, assemblyName, type.Assembly.FullName);
}
}
private static string GetAssemblyName(Type type, WorkflowMarkupSerializationManager manager)
{
TypeProvider typeProvider = manager.GetService(typeof(ITypeProvider)) as TypeProvider;
if (typeProvider != null)
{
return typeProvider.GetAssemblyName(type);
}
//
// Handle DesignTimeType
if (type.Assembly == null)
{
return string.Empty;
}
else
{
return type.Assembly.FullName;
}
}
//Format for the xmlnamespace: clr-namespace:[Namespace][;Assembly=[AssemblyName]]
private static string GetFormatedXmlNamespace(string clrNamespace, string assemblyName)
{
string xmlNamespace = StandardXomlKeys.CLRNamespaceQualifier;
xmlNamespace += (String.IsNullOrEmpty(clrNamespace)) ? StandardXomlKeys.GlobalNamespace : clrNamespace;
if (!String.IsNullOrEmpty(assemblyName))
xmlNamespace += ";" + StandardXomlKeys.AssemblyNameQualifier + assemblyName;
return xmlNamespace;
}
private static string GetPrefix(WorkflowMarkupSerializationManager manager, Assembly assembly, string xmlNamespace)
{
string prefix = String.Empty;
object[] xmlnsPrefixes = assembly.GetCustomAttributes(typeof(XmlnsPrefixAttribute), true);
if (xmlnsPrefixes != null)
{
foreach (XmlnsPrefixAttribute xmlnsPrefix in xmlnsPrefixes)
{
if (xmlnsPrefix.XmlNamespace.Equals(xmlNamespace, StringComparison.Ordinal))
{
prefix = xmlnsPrefix.Prefix;
break;
}
}
}
if (String.IsNullOrEmpty(prefix) || !IsNamespacePrefixUnique(prefix, manager.PrefixBasedMappings.Keys))
{
string basePrefix = (String.IsNullOrEmpty(prefix)) ? "ns" : prefix;
int index = 0;
prefix = basePrefix + string.Format(CultureInfo.InvariantCulture, "{0}", index++);
while (!IsNamespacePrefixUnique(prefix, manager.PrefixBasedMappings.Keys))
prefix = basePrefix + string.Format(CultureInfo.InvariantCulture, "{0}", index++);
}
return prefix;
}
private static bool IsNamespacePrefixUnique(string prefix, ICollection existingPrefixes)
{
bool isUnique = true;
foreach (string existingPrefix in existingPrefixes)
{
if (existingPrefix.Equals(prefix, StringComparison.Ordinal))
{
isUnique = false;
break;
}
}
return isUnique;
}
#endregion
}
#endregion
#endregion
}
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