MsmqUri.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Channels / MsmqUri.cs / 1 / MsmqUri.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
namespace System.ServiceModel.Channels
{ 
    using System.Globalization;
    using System.Net; 
    using System.ServiceModel; 
    using System.Text;
 
    static class MsmqUri
    {
        static IAddressTranslator netMsmqAddressTranslator;
        static IAddressTranslator activeDirectoryAddressTranslator; 
        static IAddressTranslator deadLetterQueueAddressTranslator;
        static IAddressTranslator srmpAddressTranslator; 
        static IAddressTranslator srmpsAddressTranslator; 
        static IAddressTranslator formatnameAddressTranslator;
 
        public static IAddressTranslator NetMsmqAddressTranslator
        {
            get
            { 
                if (null == netMsmqAddressTranslator)
                    netMsmqAddressTranslator = new MsmqUri.NetMsmq(); 
                return netMsmqAddressTranslator; 
            }
        } 

        public static IAddressTranslator ActiveDirectoryAddressTranslator
        {
            get 
            {
                if (null == activeDirectoryAddressTranslator) 
                    activeDirectoryAddressTranslator = new MsmqUri.ActiveDirectory(); 
                return activeDirectoryAddressTranslator;
            } 
        }

        public static IAddressTranslator DeadLetterQueueAddressTranslator
        { 
            get
            { 
                if (null == deadLetterQueueAddressTranslator) 
                    deadLetterQueueAddressTranslator = new MsmqUri.Dlq();
                return deadLetterQueueAddressTranslator; 
            }
        }

        public static IAddressTranslator SrmpAddressTranslator 
        {
            get 
            { 
                if (null == srmpAddressTranslator)
                    srmpAddressTranslator = new MsmqUri.Srmp(); 
                return srmpAddressTranslator;
            }
        }
 
        public static IAddressTranslator SrmpsAddressTranslator
        { 
            get 
            {
                if (null == srmpsAddressTranslator) 
                    srmpsAddressTranslator = new MsmqUri.SrmpSecure();
                return srmpsAddressTranslator;
            }
        } 

        public static IAddressTranslator FormatNameAddressTranslator 
        { 
            get
            { 
                if (null == formatnameAddressTranslator)
                    formatnameAddressTranslator = new MsmqUri.FormatName();
                return formatnameAddressTranslator;
            } 
        }
 
        public static string UriToFormatNameByScheme(Uri uri) 
        {
            if(uri.Scheme == NetMsmqAddressTranslator.Scheme) 
            {
                return NetMsmqAddressTranslator.UriToFormatName(uri);
            }
            else if(uri.Scheme == FormatNameAddressTranslator.Scheme) 
            {
                return FormatNameAddressTranslator.UriToFormatName(uri); 
            } 
            else
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("uri");
            }
        }
 
        static void AppendQueueName(StringBuilder builder, string relativePath, string slash)
        { 
            const string privatePart = "/private"; 

            if (relativePath.StartsWith("/private$", StringComparison.OrdinalIgnoreCase)) 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.MsmqWrongPrivateQueueSyntax)));

            if (relativePath.StartsWith(privatePart, StringComparison.OrdinalIgnoreCase))
            { 
                if (privatePart.Length == relativePath.Length)
                { 
                    builder.Append("private$"); 
                    builder.Append(slash);
                    relativePath = "/"; 
                }
                else if ('/' == relativePath[privatePart.Length])
                {
                    builder.Append("private$"); 
                    builder.Append(slash);
                    relativePath = relativePath.Substring(privatePart.Length); 
                } 
            }
            builder.Append(relativePath.Substring(1)); 
        }

        internal interface IAddressTranslator
        { 
            string Scheme { get; }
            string UriToFormatName(Uri uri); 
            Uri CreateUri(string host, string name, bool isPrivate); 
        }
 
        class NetMsmq : IAddressTranslator
        {
            public string Scheme
            { 
                get { return "net.msmq"; }
            } 
 
            public string UriToFormatName(Uri uri)
            { 
                if (null == uri)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("uri"));
                if (uri.Scheme != this.Scheme)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.MsmqInvalidScheme), "uri")); 
                if (String.IsNullOrEmpty(uri.Host))
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.MsmqWrongUri)); 
                if (-1 != uri.Port) 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.MsmqUnexpectedPort));
 
                StringBuilder builder = new StringBuilder();
                builder.Append("DIRECT=");
                if (0 == String.Compare(uri.Host, "localhost", StringComparison.OrdinalIgnoreCase))
                    builder.Append("OS:."); 
                else
                { 
                    IPAddress address = null; 
                    if(IPAddress.TryParse(uri.Host, out address))
                        builder.Append("TCP:"); 
                    else
                        builder.Append("OS:");

                    builder.Append(uri.Host); 
                }
                builder.Append("\\"); 
                MsmqUri.AppendQueueName(builder, Uri.UnescapeDataString(uri.PathAndQuery), "\\"); 

                return builder.ToString(); 
            }

            public Uri CreateUri(string host, string name, bool isPrivate)
            { 
                string path = "/" + name;
                if(isPrivate) 
                { 
                    path = "/private" + path;
                } 

                return (new UriBuilder(Scheme, host, -1, path)).Uri;
            }
        } 

        class PathName : IAddressTranslator 
        { 
            public string Scheme
            { 
                get { return "net.msmq"; }
            }

            public virtual string UriToFormatName(Uri uri) 
            {
                if (null == uri) 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("uri")); 
                if (uri.Scheme != this.Scheme)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.MsmqInvalidScheme), "uri")); 
                if (String.IsNullOrEmpty(uri.Host))
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.MsmqWrongUri));
                if (-1 != uri.Port)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.MsmqUnexpectedPort)); 

                uri = PostVerify(uri); 
 
                StringBuilder builder = new StringBuilder();
                if (0 == String.Compare(uri.Host, "localhost", StringComparison.OrdinalIgnoreCase)) 
                    builder.Append(".");
                else
                    builder.Append(uri.Host);
 
                builder.Append("\\");
                MsmqUri.AppendQueueName(builder, Uri.UnescapeDataString(uri.PathAndQuery), "\\"); 
 
                return builder.ToString();
            } 

            public Uri CreateUri(string host, string name, bool isPrivate)
            {
                string path = "/" + name; 
                if(isPrivate)
                { 
                    path = "/private" + path; 
                }
 
                return (new UriBuilder(Scheme, host, -1, path)).Uri;
            }

            protected virtual Uri PostVerify(Uri uri) 
            {
                return uri; 
            } 
        }
 
        class ActiveDirectory : PathName
        {
            public override string UriToFormatName(Uri uri)
            { 
                return MsmqFormatName.FromQueuePath(base.UriToFormatName(uri));
            } 
        } 

        class Dlq : PathName 
        {
            protected override Uri PostVerify(Uri uri)
            {
                if (0 == String.Compare(uri.Host, "localhost", StringComparison.OrdinalIgnoreCase)) 
                    return uri;
                try 
                { 
                    if (0 == String.Compare(DnsCache.MachineName, DnsCache.Resolve(uri.Host).HostName, StringComparison.OrdinalIgnoreCase))
                    { 
                        return new UriBuilder(Scheme, "localhost", -1, uri.PathAndQuery).Uri;
                    }
                }
                catch (EndpointNotFoundException ex) 
                {
                    MsmqDiagnostics.ExpectedException(ex); 
                } 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.MsmqDLQNotLocal), "uri"));
            } 
        }

        abstract class SrmpBase : IAddressTranslator
        { 
            const string msmqPart = "/msmq/";
 
            public string Scheme 
            {
                get { return "net.msmq"; } 
            }

            public string UriToFormatName(Uri uri)
            { 
                if (null == uri)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("uri")); 
                if (uri.Scheme != this.Scheme) 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.MsmqInvalidScheme), "uri"));
                if (String.IsNullOrEmpty(uri.Host)) 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.MsmqWrongUri));

                StringBuilder builder = new StringBuilder();
                builder.Append("DIRECT="); 
                builder.Append(this.DirectScheme);
                builder.Append(uri.Host); 
                if (-1 != uri.Port) 
                {
                    builder.Append(":"); 
                    builder.Append(uri.Port.ToString(CultureInfo.InvariantCulture));
                }

                string relativePath = Uri.UnescapeDataString(uri.PathAndQuery); 
                builder.Append(msmqPart);
                MsmqUri.AppendQueueName(builder, relativePath, "/"); 
 
                return builder.ToString();
            } 

            abstract protected string DirectScheme { get; }

            public Uri CreateUri(string host, string name, bool isPrivate) 
            {
                string path = "/" + name; 
                if(isPrivate) 
                {
                    path = "/private" + path; 
                }

                return (new UriBuilder(Scheme, host, -1, path)).Uri;
            } 
        }
 
        class Srmp : SrmpBase 
        {
            protected override string DirectScheme 
            {
                get { return "http://"; }
            }
        } 

        class SrmpSecure : SrmpBase 
        { 
            protected override string DirectScheme
            { 
                get { return "https://"; }
            }
        }
 
        class FormatName : IAddressTranslator
        { 
            public string Scheme 
            {
                get { return "msmq.formatname"; } 
            }

            public string UriToFormatName(Uri uri)
            { 
                if (null == uri)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("uri")); 
                if (uri.Scheme != this.Scheme) 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.MsmqInvalidScheme), "uri"));
                return Uri.UnescapeDataString(uri.AbsoluteUri.Substring(this.Scheme.Length+1)); 
            }

            public Uri CreateUri(string host, string name, bool isPrivate)
            { 
                string path;
                if(isPrivate) 
                { 
                    path = "PRIVATE$\\" + name;
                } 
                else
                {
                    path = name;
                } 

                path = "DIRECT=OS:" + host + "\\" + path; 
 
                return new Uri(Scheme + ":" + path);
            } 
        }
    }
}

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