WsdlInspector.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / xsp / System / Web / Extensions / Compilation / WCFModel / WsdlInspector.cs / 1 / WsdlInspector.cs

                            //------------------------------------------------------------------------------ 
// 
//   Copyright (C) Microsoft Corporation. All Rights Reserved.
// 
//----------------------------------------------------------------------------- 

 
using System; 
using System.Collections.Generic;
using System.Diagnostics; 
using System.Globalization;
using System.Web.Services.Description;
using System.Xml;
#if WEB_EXTENSIONS_CODE 
using System.Web.Resources;
#else 
using Microsoft.VSDesigner.Resources.Microsoft.VSDesigner; 
#endif
 

#if WEB_EXTENSIONS_CODE
namespace System.Web.Compilation.WCFModel
#else 
namespace Microsoft.VSDesigner.WCFModel
#endif 
{ 
    /// 
    /// This class check whether there are duplicated wsdl files in the metadata collection, and report error messages, if any contract is 
    /// defined differently in two wsdl files.
    /// 
    internal class WsdlInspector {
        private IList importErrors; 
        private Dictionary portTypes;
        private Dictionary messages; 
 
        /// 
        /// constructor 
        /// 
        /// 
        private WsdlInspector(IList importErrors) {
            this.importErrors = importErrors; 
            this.portTypes = new Dictionary();
            this.messages = new Dictionary(); 
        } 

        ///  
        /// function to check duplicated items
        /// 
        /// 
        ///  
        /// 
        internal static void CheckDuplicatedWsdlItems(ICollection wsdlFiles, IList importErrors) { 
            WsdlInspector inspector = new WsdlInspector(importErrors); 
            inspector.CheckServiceDescriptions(wsdlFiles);
        } 

        /// 
        /// check all duplicated items in a collection of files
        ///  
        /// 
        private void CheckServiceDescriptions(ICollection wsdlFiles) { 
            foreach (System.Web.Services.Description.ServiceDescription wsdl in wsdlFiles) { 
                string targetNamespace = wsdl.TargetNamespace;
                if (String.IsNullOrEmpty(targetNamespace)) { 
                    targetNamespace = String.Empty;
                }

                // check all portTypes... 
                foreach (PortType portType in wsdl.PortTypes) {
                    XmlQualifiedName portTypeName = new XmlQualifiedName(portType.Name, targetNamespace); 
                    PortType definedPortType; 
                    if (portTypes.TryGetValue(portTypeName, out definedPortType)) {
                        MatchPortTypes(definedPortType, portType); 
                    }
                    else {
                        portTypes.Add(portTypeName, portType);
                    } 
                }
 
                // check all messages... 
                foreach (Message message in wsdl.Messages) {
                    XmlQualifiedName messageName = new XmlQualifiedName(message.Name, targetNamespace); 
                    Message definedMessage;
                    if (messages.TryGetValue(messageName, out definedMessage)) {
                        MatchMessages(definedMessage, message);
                    } 
                    else {
                        messages.Add(messageName, message); 
                    } 
                }
            } 
        }

        /// 
        /// Compare two port type (with same targetNamespace/name) 
        /// 
        ///  
        private void MatchPortTypes(PortType x, PortType y) { 
            Operation[] operationsX = new Operation[x.Operations.Count];
            x.Operations.CopyTo(operationsX, 0); 
            Array.Sort(operationsX, new OperationComparer());

            Operation[] operationsY = new Operation[y.Operations.Count];
            y.Operations.CopyTo(operationsY, 0); 
            Array.Sort(operationsY, new OperationComparer());
 
            MatchCollections(operationsX, operationsY, 
                    delegate(Operation operationX, Operation operationY) {
                        if (operationX != null && operationY != null) { 
                            int nameDifferent = String.Compare(operationX.Name, operationY.Name, StringComparison.Ordinal);
                            if (nameDifferent < 0) {
                                ReportUniqueOperation(operationX, x, y);
                                return false; 
                            }
                            else if (nameDifferent > 0) { 
                                ReportUniqueOperation(operationY, y, x); 
                                return false;
                            } 
                            else if (!MatchOperations(operationX, operationY)) {
                                return false;
                            }
                            return true; 
                        }
                        else if (operationX != null) { 
                            ReportUniqueOperation(operationX, x, y); 
                            return false;
                        } 
                        else if (operationY != null) {
                            ReportUniqueOperation(operationY, y, x);
                            return false;
                        } 
                        return true;
                    } 
                    ); 

        } 

        /// 
        /// Compare two operations (with same name)
        ///  
        /// 
        private bool MatchOperations(Operation x, Operation y) { 
            if (!MatchOperationMessages(x.Messages.Input, y.Messages.Input)) { 
                ReportOperationDefinedDifferently(x, y);
                return false; 
            }
            if (!MatchOperationMessages(x.Messages.Output, y.Messages.Output)) {
                ReportOperationDefinedDifferently(x, y);
                return false; 
            }
 
            OperationFault[] faultsX = new OperationFault[x.Faults.Count]; 
            x.Faults.CopyTo(faultsX, 0);
            Array.Sort(faultsX, new OperationFaultComparer()); 

            OperationFault[] faultsY = new OperationFault[y.Faults.Count];
            y.Faults.CopyTo(faultsY, 0);
            Array.Sort(faultsY, new OperationFaultComparer()); 

            if (!MatchCollections(faultsX, faultsY, 
                    delegate(OperationFault faultX, OperationFault faultY) { 
                        if (faultX != null && faultY != null) {
                            return MatchXmlQualifiedNames(faultX.Message, faultY.Message); 
                        }
                        else if (faultX != null || faultY != null) {
                            return false;
                        } 
                        return true;
                    } 
                    )) { 
                ReportOperationDefinedDifferently(x, y);
                return false; 
            }
            return true;
        }
 
        /// 
        /// Compare two messages in operations (with same name) 
        ///  
        /// 
        private bool MatchOperationMessages(OperationMessage x, OperationMessage y) { 
            if (x == null && y == null) {
                return true;
            }
            else if (x == null || y == null) { 
                return false;
            } 
            return MatchXmlQualifiedNames(x.Message, y.Message); 
        }
 
        /// 
        /// Compare two messages defined in wsdl (with same name/targetNamespace)
        /// 
        ///  
        private void MatchMessages(Message x, Message y) {
            MessagePart[] partsX = new MessagePart[x.Parts.Count]; 
            x.Parts.CopyTo(partsX, 0); 
            Array.Sort(partsX, new MessagePartComparer());
 
            MessagePart[] partsY = new MessagePart[y.Parts.Count];
            y.Parts.CopyTo(partsY, 0);
            Array.Sort(partsY, new MessagePartComparer());
 
            MatchCollections(partsX, partsY,
                    delegate(MessagePart partX, MessagePart partY) { 
                        if (partX != null && partY != null) { 
                            int nameDifferent = String.Compare(partX.Name, partY.Name, StringComparison.Ordinal);
                            if (nameDifferent < 0) { 
                                ReportUniqueMessagePart(partX, x, y);
                                return false;
                            }
                            else if (nameDifferent > 0) { 
                                ReportUniqueMessagePart(partY, y, x);
                                return false; 
                            } 
                            else if (!MatchMessageParts(partX, partY)) {
                                return false; 
                            }
                            return true;
                        }
                        else if (partX != null) { 
                            ReportUniqueMessagePart(partX, x, y);
                            return false; 
                        } 
                        else if (partY != null) {
                            ReportUniqueMessagePart(partY, y, x); 
                            return false;
                        }
                        return true;
                    } 
                    );
        } 
 
        /// 
        /// Compare two message parts (with same name) 
        /// 
        /// 
        private bool MatchMessageParts(MessagePart partX, MessagePart partY) {
            if (!MatchXmlQualifiedNames(partX.Type, partY.Type) || !MatchXmlQualifiedNames(partX.Element, partY.Element)) { 
                ReportMessageDefinedDifferently(partX, partX.Message, partY.Message);
                return false; 
            } 
            return true;
        } 

        /// 
        /// compare two XmlQualifiedName
        ///  
        /// 
        private bool MatchXmlQualifiedNames(XmlQualifiedName x, XmlQualifiedName y) { 
            if (x != null && y != null) { 
                return x == y; // XmlQualifiedName
            } 
            return x == null && y == null;
        }

        ///  
        /// Report an error when we find operation defined in one place but not another
        ///  
        ///  
        private void ReportUniqueOperation(Operation operation, PortType portType1, PortType portType2) {
            importErrors.Add(new ProxyGenerationError( 
                                        ProxyGenerationError.GeneratorState.MergeMetadata,
                                        String.Empty,
                                        new InvalidOperationException(
                                            String.Format(CultureInfo.CurrentCulture, WCFModelStrings.ReferenceGroup_OperationDefinedInOneOfDuplicatedServiceContract, 
                                                portType1.Name,
                                                portType1.ServiceDescription.RetrievalUrl, 
                                                portType2.ServiceDescription.RetrievalUrl, 
                                                operation.Name)
                                        ) 
                                )
                        );
        }
 
        /// 
        /// Report an error when we find operation defined in two places differently 
        ///  
        /// 
        private void ReportOperationDefinedDifferently(Operation x, Operation y) { 
            importErrors.Add(new ProxyGenerationError(
                                        ProxyGenerationError.GeneratorState.MergeMetadata,
                                        String.Empty,
                                        new InvalidOperationException( 
                                            String.Format(CultureInfo.CurrentCulture, WCFModelStrings.ReferenceGroup_OperationDefinedDifferently,
                                                x.Name, 
                                                x.PortType.Name, 
                                                x.PortType.ServiceDescription.RetrievalUrl,
                                                y.PortType.ServiceDescription.RetrievalUrl) 
                                        )
                                )
                            );
        } 

        ///  
        /// Report an error when we find a part of message defined in one place but not another 
        /// 
        ///  
        private void ReportUniqueMessagePart(MessagePart part, Message message1, Message message2) {
            importErrors.Add(new ProxyGenerationError(
                                        ProxyGenerationError.GeneratorState.MergeMetadata,
                                        String.Empty, 
                                        new InvalidOperationException(
                                            String.Format(CultureInfo.CurrentCulture, WCFModelStrings.ReferenceGroup_FieldDefinedInOneOfDuplicatedMessage, 
                                                message1.Name, 
                                                message1.ServiceDescription.RetrievalUrl,
                                                message2.ServiceDescription.RetrievalUrl, 
                                                part.Name)
                                        )
                                )
                        ); 
        }
 
        ///  
        /// Report an error when we find message defined in two places differently
        ///  
        /// 
        private void ReportMessageDefinedDifferently(MessagePart part, Message x, Message y) {
            importErrors.Add(new ProxyGenerationError(
                                        ProxyGenerationError.GeneratorState.MergeMetadata, 
                                        String.Empty,
                                        new InvalidOperationException( 
                                            String.Format(CultureInfo.CurrentCulture, WCFModelStrings.ReferenceGroup_FieldDefinedDifferentlyInDuplicatedMessage, 
                                                part.Name,
                                                x.Name, 
                                                x.ServiceDescription.RetrievalUrl,
                                                y.ServiceDescription.RetrievalUrl)
                                        )
                                ) 
                            );
        } 
 
        /// 
        /// Helper class to sort Operations 
        /// 
        /// 
        private class OperationComparer : System.Collections.Generic.IComparer {
 
            public int Compare(Operation x, Operation y) {
                return String.Compare(x.Name, y.Name, StringComparison.Ordinal); 
            } 
        }
 
        /// 
        /// Helper class to sort OperationFaults
        /// 
        ///  
        private class OperationFaultComparer : System.Collections.Generic.IComparer {
 
            public int Compare(OperationFault x, OperationFault y) { 
                int namespaceResult = String.Compare(x.Message.Namespace, y.Message.Namespace, StringComparison.Ordinal);
                if (namespaceResult != 0) { 
                    return namespaceResult;
                }

                return String.Compare(x.Message.Name, y.Message.Name, StringComparison.Ordinal); 
            }
        } 
 
        /// 
        /// Helper class to sort MessageParts 
        /// 
        /// 
        private class MessagePartComparer : System.Collections.Generic.IComparer {
 
            public int Compare(MessagePart x, MessagePart y) {
                return String.Compare(x.Name, y.Name, StringComparison.Ordinal); 
            } 
        }
 
        /// 
        /// Helper function to compare two collections
        /// 
        ///  
        private delegate bool MatchCollectionItemDelegate(T x, T y);
        private bool MatchCollections(T[] x, T[] y, MatchCollectionItemDelegate compareItems) where T : class { 
            System.Collections.IEnumerator enumeratorX = x.GetEnumerator(); 
            System.Collections.IEnumerator enumeratorY = y.GetEnumerator();
 
            T tX;
            T tY;

            do { 
                tX = enumeratorX.MoveNext() ? (T)enumeratorX.Current : null;
                tY = enumeratorY.MoveNext() ? (T)enumeratorY.Current : null; 
                if (tX != null && tY != null) { 
                    if (!compareItems(tX, tY)) {
                        return false; 
                    }
                }
            }
            while (tX != null && tY != null); 

            return compareItems(tX, tY); 
        } 

    } 
}


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------------ 
// 
//   Copyright (C) Microsoft Corporation. All Rights Reserved.
// 
//----------------------------------------------------------------------------- 

 
using System; 
using System.Collections.Generic;
using System.Diagnostics; 
using System.Globalization;
using System.Web.Services.Description;
using System.Xml;
#if WEB_EXTENSIONS_CODE 
using System.Web.Resources;
#else 
using Microsoft.VSDesigner.Resources.Microsoft.VSDesigner; 
#endif
 

#if WEB_EXTENSIONS_CODE
namespace System.Web.Compilation.WCFModel
#else 
namespace Microsoft.VSDesigner.WCFModel
#endif 
{ 
    /// 
    /// This class check whether there are duplicated wsdl files in the metadata collection, and report error messages, if any contract is 
    /// defined differently in two wsdl files.
    /// 
    internal class WsdlInspector {
        private IList importErrors; 
        private Dictionary portTypes;
        private Dictionary messages; 
 
        /// 
        /// constructor 
        /// 
        /// 
        private WsdlInspector(IList importErrors) {
            this.importErrors = importErrors; 
            this.portTypes = new Dictionary();
            this.messages = new Dictionary(); 
        } 

        ///  
        /// function to check duplicated items
        /// 
        /// 
        ///  
        /// 
        internal static void CheckDuplicatedWsdlItems(ICollection wsdlFiles, IList importErrors) { 
            WsdlInspector inspector = new WsdlInspector(importErrors); 
            inspector.CheckServiceDescriptions(wsdlFiles);
        } 

        /// 
        /// check all duplicated items in a collection of files
        ///  
        /// 
        private void CheckServiceDescriptions(ICollection wsdlFiles) { 
            foreach (System.Web.Services.Description.ServiceDescription wsdl in wsdlFiles) { 
                string targetNamespace = wsdl.TargetNamespace;
                if (String.IsNullOrEmpty(targetNamespace)) { 
                    targetNamespace = String.Empty;
                }

                // check all portTypes... 
                foreach (PortType portType in wsdl.PortTypes) {
                    XmlQualifiedName portTypeName = new XmlQualifiedName(portType.Name, targetNamespace); 
                    PortType definedPortType; 
                    if (portTypes.TryGetValue(portTypeName, out definedPortType)) {
                        MatchPortTypes(definedPortType, portType); 
                    }
                    else {
                        portTypes.Add(portTypeName, portType);
                    } 
                }
 
                // check all messages... 
                foreach (Message message in wsdl.Messages) {
                    XmlQualifiedName messageName = new XmlQualifiedName(message.Name, targetNamespace); 
                    Message definedMessage;
                    if (messages.TryGetValue(messageName, out definedMessage)) {
                        MatchMessages(definedMessage, message);
                    } 
                    else {
                        messages.Add(messageName, message); 
                    } 
                }
            } 
        }

        /// 
        /// Compare two port type (with same targetNamespace/name) 
        /// 
        ///  
        private void MatchPortTypes(PortType x, PortType y) { 
            Operation[] operationsX = new Operation[x.Operations.Count];
            x.Operations.CopyTo(operationsX, 0); 
            Array.Sort(operationsX, new OperationComparer());

            Operation[] operationsY = new Operation[y.Operations.Count];
            y.Operations.CopyTo(operationsY, 0); 
            Array.Sort(operationsY, new OperationComparer());
 
            MatchCollections(operationsX, operationsY, 
                    delegate(Operation operationX, Operation operationY) {
                        if (operationX != null && operationY != null) { 
                            int nameDifferent = String.Compare(operationX.Name, operationY.Name, StringComparison.Ordinal);
                            if (nameDifferent < 0) {
                                ReportUniqueOperation(operationX, x, y);
                                return false; 
                            }
                            else if (nameDifferent > 0) { 
                                ReportUniqueOperation(operationY, y, x); 
                                return false;
                            } 
                            else if (!MatchOperations(operationX, operationY)) {
                                return false;
                            }
                            return true; 
                        }
                        else if (operationX != null) { 
                            ReportUniqueOperation(operationX, x, y); 
                            return false;
                        } 
                        else if (operationY != null) {
                            ReportUniqueOperation(operationY, y, x);
                            return false;
                        } 
                        return true;
                    } 
                    ); 

        } 

        /// 
        /// Compare two operations (with same name)
        ///  
        /// 
        private bool MatchOperations(Operation x, Operation y) { 
            if (!MatchOperationMessages(x.Messages.Input, y.Messages.Input)) { 
                ReportOperationDefinedDifferently(x, y);
                return false; 
            }
            if (!MatchOperationMessages(x.Messages.Output, y.Messages.Output)) {
                ReportOperationDefinedDifferently(x, y);
                return false; 
            }
 
            OperationFault[] faultsX = new OperationFault[x.Faults.Count]; 
            x.Faults.CopyTo(faultsX, 0);
            Array.Sort(faultsX, new OperationFaultComparer()); 

            OperationFault[] faultsY = new OperationFault[y.Faults.Count];
            y.Faults.CopyTo(faultsY, 0);
            Array.Sort(faultsY, new OperationFaultComparer()); 

            if (!MatchCollections(faultsX, faultsY, 
                    delegate(OperationFault faultX, OperationFault faultY) { 
                        if (faultX != null && faultY != null) {
                            return MatchXmlQualifiedNames(faultX.Message, faultY.Message); 
                        }
                        else if (faultX != null || faultY != null) {
                            return false;
                        } 
                        return true;
                    } 
                    )) { 
                ReportOperationDefinedDifferently(x, y);
                return false; 
            }
            return true;
        }
 
        /// 
        /// Compare two messages in operations (with same name) 
        ///  
        /// 
        private bool MatchOperationMessages(OperationMessage x, OperationMessage y) { 
            if (x == null && y == null) {
                return true;
            }
            else if (x == null || y == null) { 
                return false;
            } 
            return MatchXmlQualifiedNames(x.Message, y.Message); 
        }
 
        /// 
        /// Compare two messages defined in wsdl (with same name/targetNamespace)
        /// 
        ///  
        private void MatchMessages(Message x, Message y) {
            MessagePart[] partsX = new MessagePart[x.Parts.Count]; 
            x.Parts.CopyTo(partsX, 0); 
            Array.Sort(partsX, new MessagePartComparer());
 
            MessagePart[] partsY = new MessagePart[y.Parts.Count];
            y.Parts.CopyTo(partsY, 0);
            Array.Sort(partsY, new MessagePartComparer());
 
            MatchCollections(partsX, partsY,
                    delegate(MessagePart partX, MessagePart partY) { 
                        if (partX != null && partY != null) { 
                            int nameDifferent = String.Compare(partX.Name, partY.Name, StringComparison.Ordinal);
                            if (nameDifferent < 0) { 
                                ReportUniqueMessagePart(partX, x, y);
                                return false;
                            }
                            else if (nameDifferent > 0) { 
                                ReportUniqueMessagePart(partY, y, x);
                                return false; 
                            } 
                            else if (!MatchMessageParts(partX, partY)) {
                                return false; 
                            }
                            return true;
                        }
                        else if (partX != null) { 
                            ReportUniqueMessagePart(partX, x, y);
                            return false; 
                        } 
                        else if (partY != null) {
                            ReportUniqueMessagePart(partY, y, x); 
                            return false;
                        }
                        return true;
                    } 
                    );
        } 
 
        /// 
        /// Compare two message parts (with same name) 
        /// 
        /// 
        private bool MatchMessageParts(MessagePart partX, MessagePart partY) {
            if (!MatchXmlQualifiedNames(partX.Type, partY.Type) || !MatchXmlQualifiedNames(partX.Element, partY.Element)) { 
                ReportMessageDefinedDifferently(partX, partX.Message, partY.Message);
                return false; 
            } 
            return true;
        } 

        /// 
        /// compare two XmlQualifiedName
        ///  
        /// 
        private bool MatchXmlQualifiedNames(XmlQualifiedName x, XmlQualifiedName y) { 
            if (x != null && y != null) { 
                return x == y; // XmlQualifiedName
            } 
            return x == null && y == null;
        }

        ///  
        /// Report an error when we find operation defined in one place but not another
        ///  
        ///  
        private void ReportUniqueOperation(Operation operation, PortType portType1, PortType portType2) {
            importErrors.Add(new ProxyGenerationError( 
                                        ProxyGenerationError.GeneratorState.MergeMetadata,
                                        String.Empty,
                                        new InvalidOperationException(
                                            String.Format(CultureInfo.CurrentCulture, WCFModelStrings.ReferenceGroup_OperationDefinedInOneOfDuplicatedServiceContract, 
                                                portType1.Name,
                                                portType1.ServiceDescription.RetrievalUrl, 
                                                portType2.ServiceDescription.RetrievalUrl, 
                                                operation.Name)
                                        ) 
                                )
                        );
        }
 
        /// 
        /// Report an error when we find operation defined in two places differently 
        ///  
        /// 
        private void ReportOperationDefinedDifferently(Operation x, Operation y) { 
            importErrors.Add(new ProxyGenerationError(
                                        ProxyGenerationError.GeneratorState.MergeMetadata,
                                        String.Empty,
                                        new InvalidOperationException( 
                                            String.Format(CultureInfo.CurrentCulture, WCFModelStrings.ReferenceGroup_OperationDefinedDifferently,
                                                x.Name, 
                                                x.PortType.Name, 
                                                x.PortType.ServiceDescription.RetrievalUrl,
                                                y.PortType.ServiceDescription.RetrievalUrl) 
                                        )
                                )
                            );
        } 

        ///  
        /// Report an error when we find a part of message defined in one place but not another 
        /// 
        ///  
        private void ReportUniqueMessagePart(MessagePart part, Message message1, Message message2) {
            importErrors.Add(new ProxyGenerationError(
                                        ProxyGenerationError.GeneratorState.MergeMetadata,
                                        String.Empty, 
                                        new InvalidOperationException(
                                            String.Format(CultureInfo.CurrentCulture, WCFModelStrings.ReferenceGroup_FieldDefinedInOneOfDuplicatedMessage, 
                                                message1.Name, 
                                                message1.ServiceDescription.RetrievalUrl,
                                                message2.ServiceDescription.RetrievalUrl, 
                                                part.Name)
                                        )
                                )
                        ); 
        }
 
        ///  
        /// Report an error when we find message defined in two places differently
        ///  
        /// 
        private void ReportMessageDefinedDifferently(MessagePart part, Message x, Message y) {
            importErrors.Add(new ProxyGenerationError(
                                        ProxyGenerationError.GeneratorState.MergeMetadata, 
                                        String.Empty,
                                        new InvalidOperationException( 
                                            String.Format(CultureInfo.CurrentCulture, WCFModelStrings.ReferenceGroup_FieldDefinedDifferentlyInDuplicatedMessage, 
                                                part.Name,
                                                x.Name, 
                                                x.ServiceDescription.RetrievalUrl,
                                                y.ServiceDescription.RetrievalUrl)
                                        )
                                ) 
                            );
        } 
 
        /// 
        /// Helper class to sort Operations 
        /// 
        /// 
        private class OperationComparer : System.Collections.Generic.IComparer {
 
            public int Compare(Operation x, Operation y) {
                return String.Compare(x.Name, y.Name, StringComparison.Ordinal); 
            } 
        }
 
        /// 
        /// Helper class to sort OperationFaults
        /// 
        ///  
        private class OperationFaultComparer : System.Collections.Generic.IComparer {
 
            public int Compare(OperationFault x, OperationFault y) { 
                int namespaceResult = String.Compare(x.Message.Namespace, y.Message.Namespace, StringComparison.Ordinal);
                if (namespaceResult != 0) { 
                    return namespaceResult;
                }

                return String.Compare(x.Message.Name, y.Message.Name, StringComparison.Ordinal); 
            }
        } 
 
        /// 
        /// Helper class to sort MessageParts 
        /// 
        /// 
        private class MessagePartComparer : System.Collections.Generic.IComparer {
 
            public int Compare(MessagePart x, MessagePart y) {
                return String.Compare(x.Name, y.Name, StringComparison.Ordinal); 
            } 
        }
 
        /// 
        /// Helper function to compare two collections
        /// 
        ///  
        private delegate bool MatchCollectionItemDelegate(T x, T y);
        private bool MatchCollections(T[] x, T[] y, MatchCollectionItemDelegate compareItems) where T : class { 
            System.Collections.IEnumerator enumeratorX = x.GetEnumerator(); 
            System.Collections.IEnumerator enumeratorY = y.GetEnumerator();
 
            T tX;
            T tY;

            do { 
                tX = enumeratorX.MoveNext() ? (T)enumeratorX.Current : null;
                tY = enumeratorY.MoveNext() ? (T)enumeratorY.Current : null; 
                if (tX != null && tY != null) { 
                    if (!compareItems(tX, tY)) {
                        return false; 
                    }
                }
            }
            while (tX != null && tY != null); 

            return compareItems(tX, tY); 
        } 

    } 
}


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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