TemplatedMailWebEventProvider.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / Management / TemplatedMailWebEventProvider.cs / 1305376 / TemplatedMailWebEventProvider.cs

                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.Management { 
    using System.Configuration; 
    using System.Configuration.Provider;
    using System.Collections.Specialized; 
    using System.Web.Util;
    using System.Net.Mail;
    using System.Globalization;
    using System.Web.Configuration; 
    using System.Text;
    using System.IO; 
    using System.Runtime.Remoting.Messaging; 
    using System.Security.Permissions;
    using System.Threading; 

    public sealed class TemplatedMailWebEventProvider  : MailWebEventProvider, IInternalWebEventProvider   {
        int     _nonBufferNotificationSequence = 0;
 
        string  _templateUrl;
        bool    _detailedTemplateErrors = false; 
 
        class TemplatedMailErrorFormatterGenerator : ErrorFormatterGenerator {
            int                     _eventsRemaining; 
            bool                    _showDetails;
            bool                    _errorFormatterCalled;

            internal TemplatedMailErrorFormatterGenerator(int eventsRemaining, bool showDetails) { 
                _eventsRemaining = eventsRemaining;
                _showDetails = showDetails; 
            } 

            internal bool ErrorFormatterCalled { 
                get { return _errorFormatterCalled; }
            }

            internal override ErrorFormatter GetErrorFormatter(Exception e) { 
                Exception inner = e.InnerException;
 
                _errorFormatterCalled = true; 

                while (inner !=  null) { 
                    if (inner is HttpCompileException) {
                        return new TemplatedMailCompileErrorFormatter((HttpCompileException)inner, _eventsRemaining, _showDetails);
                    }
                    else { 
                        inner = inner.InnerException;
                    } 
                } 

                return new TemplatedMailRuntimeErrorFormatter(e, _eventsRemaining, _showDetails); 
            }
        }

        internal TemplatedMailWebEventProvider() { } 

        public override void Initialize(string name, NameValueCollection config) 
        { 
            Debug.Trace("TemplatedMailWebEventProvider", "Initializing: name=" + name);
 
            ProviderUtil.GetAndRemoveStringAttribute(config, "template", name, ref _templateUrl);

            if (_templateUrl == null) {
                throw new ConfigurationErrorsException(SR.GetString(SR.Provider_missing_attribute, "template", name)); 
            }
 
            _templateUrl = _templateUrl.Trim(); 

            if (_templateUrl.Length == 0) { 
                throw new ConfigurationErrorsException(SR.GetString(SR.Invalid_provider_attribute, "template", name, _templateUrl));
            }

            if (!UrlPath.IsRelativeUrl(_templateUrl)) { 
                throw new ConfigurationErrorsException(SR.GetString(SR.Invalid_mail_template_provider_attribute,
                                "template", name, _templateUrl)); 
            } 

            _templateUrl = UrlPath.Combine(HttpRuntime.AppDomainAppVirtualPathString, _templateUrl); 

            // VSWhidbey 440081: Guard against templates outside the AppDomain path
            if (!HttpRuntime.IsPathWithinAppRoot(_templateUrl)) {
                throw new ConfigurationErrorsException(SR.GetString(SR.Invalid_mail_template_provider_attribute, 
                                "template", name, _templateUrl));
            } 
 
            ProviderUtil.GetAndRemoveBooleanAttribute(config, "detailedTemplateErrors", name, ref _detailedTemplateErrors);
 
            base.Initialize(name, config);
        }

        void GenerateMessageBody( 
                            MailMessage msg,
                            WebBaseEventCollection events, 
                            DateTime lastNotificationUtc, 
                            int discardedSinceLastNotification,
                            int eventsInBuffer, 
                            int notificationSequence,
                            EventNotificationType notificationType,
                            int eventsInNotification,
                            int eventsRemaining, 
                            int messagesInNotification,
                            int eventsLostDueToMessageLimit, 
                            int messageSequence, 
                            out bool fatalError) {
 
            StringWriter  writer = new StringWriter(CultureInfo.InstalledUICulture);

            MailEventNotificationInfo info = new MailEventNotificationInfo(
                                                    msg, 
                                                    events,
                                                    lastNotificationUtc, 
                                                    discardedSinceLastNotification, 
                                                    eventsInBuffer,
                                                    notificationSequence, 
                                                    notificationType,
                                                    eventsInNotification,
                                                    eventsRemaining,
                                                    messagesInNotification, 
                                                    eventsLostDueToMessageLimit,
                                                    messageSequence); 
 
            CallContext.SetData(CurrentEventsName, info);
 
            try {
                TemplatedMailErrorFormatterGenerator gen = new TemplatedMailErrorFormatterGenerator(events.Count + eventsRemaining, _detailedTemplateErrors);
                HttpServerUtility.ExecuteLocalRequestAndCaptureResponse(_templateUrl, writer, gen);
 
                fatalError = gen.ErrorFormatterCalled;
 
                if (fatalError) { 
                    msg.Subject = HttpUtility.HtmlEncode(SR.GetString(SR.WebEvent_event_email_subject_template_error,
                                                notificationSequence.ToString(CultureInfo.InstalledUICulture), 
                                                messageSequence.ToString(CultureInfo.InstalledUICulture),
                                                SubjectPrefix));
                }
 
                msg.Body = writer.ToString();
                msg.IsBodyHtml = true; 
            } 
            finally {
                CallContext.FreeNamedDataSlot(CurrentEventsName); 
            }
        }

        internal override void SendMessage(WebBaseEvent eventRaised) { 
            WebBaseEventCollection events = new WebBaseEventCollection(eventRaised);
            bool templateError; 
 
            SendMessageInternal(events,                        // events
                        DateTime.MinValue,              // lastNotificationUtc 
                        0,                              // discardedSinceLastNotification
                        0,                              // eventsInBuffer
                        Interlocked.Increment(ref _nonBufferNotificationSequence), // notificationSequence
                        EventNotificationType.Unbuffered,    // notificationType 
                        1,                              // eventsInNotification
                        0,                              // eventsRemaining 
                        1,                              // messagesInNotification 
                        0,                              // eventsLostDueToMessageLimit
                        MessageSequenceBase,            // messageSequence 
                        out templateError);             // templateError
        }

        internal override void SendMessage(WebBaseEventCollection events, 
                            WebEventBufferFlushInfo flushInfo,
                            int eventsInNotification, 
                            int eventsRemaining, 
                            int messagesInNotification,
                            int eventsLostDueToMessageLimit, 
                            int messageSequence,
                            int eventsSent,
                            out bool fatalError) {
 
            SendMessageInternal(events,
                            flushInfo.LastNotificationUtc, 
                            flushInfo.EventsDiscardedSinceLastNotification, 
                            flushInfo.EventsInBuffer,
                            flushInfo.NotificationSequence, 
                            flushInfo.NotificationType,
                            eventsInNotification,
                            eventsRemaining,
                            messagesInNotification, 
                            eventsLostDueToMessageLimit,
                            messageSequence, 
                            out fatalError); 
        }
 
        void SendMessageInternal(WebBaseEventCollection events,
                            DateTime lastNotificationUtc,
                            int discardedSinceLastNotification,
                            int eventsInBuffer, 
                            int notificationSequence,
                            EventNotificationType notificationType, 
                            int eventsInNotification, 
                            int eventsRemaining,
                            int messagesInNotification, 
                            int eventsLostDueToMessageLimit,
                            int messageSequence,
                            out bool fatalError) {
 
            using (MailMessage msg = GetMessage()) {
 
                msg.Subject = GenerateSubject(notificationSequence, messageSequence, events, events.Count); 

                GenerateMessageBody( 
                            msg,
                            events,
                            lastNotificationUtc,
                            discardedSinceLastNotification, 
                            eventsInBuffer,
                            notificationSequence, 
                            notificationType, 
                            eventsInNotification,
                            eventsRemaining, 
                            messagesInNotification,
                            eventsLostDueToMessageLimit,
                            messageSequence,
                            out fatalError); 

                SendMail(msg); 
            } 
        }
 
        internal const string   CurrentEventsName = "_TWCurEvt";

        public static MailEventNotificationInfo  CurrentNotification   {
            get { 
                return (MailEventNotificationInfo)CallContext.GetData(CurrentEventsName);
            } 
        } 
    }
 
    public sealed class MailEventNotificationInfo {
        WebBaseEventCollection  _events;
        DateTime                _lastNotificationUtc;
        int                     _discardedSinceLastNotification; 
        int                     _eventsInBuffer;
        int                     _notificationSequence; 
 
        EventNotificationType   _notificationType;
        int                     _eventsInNotification; 
        int                     _eventsRemaining;
        int                     _messagesInNotification;
        int                     _eventsLostDueToMessageLimit;
        int                     _messageSequence; 
        MailMessage             _msg;
 
        internal MailEventNotificationInfo( 
                            MailMessage msg,
                            WebBaseEventCollection events, 
                            DateTime lastNotificationUtc,
                            int discardedSinceLastNotification,
                            int eventsInBuffer,
                            int notificationSequence, 
                            EventNotificationType notificationType,
                            int eventsInNotification, 
                            int eventsRemaining, 
                            int messagesInNotification,
                            int eventsLostDueToMessageLimit, 
                            int messageSequence) {
            _events = events;
            _lastNotificationUtc = lastNotificationUtc;
            _discardedSinceLastNotification = discardedSinceLastNotification; 
            _eventsInBuffer = eventsInBuffer;
            _notificationSequence = notificationSequence; 
 
            _notificationType = notificationType;
            _eventsInNotification = eventsInNotification; 
            _eventsRemaining = eventsRemaining  ;
            _messagesInNotification = messagesInNotification;
            _eventsLostDueToMessageLimit = eventsLostDueToMessageLimit;
            _messageSequence = messageSequence; 
            _msg = msg;
        } 
 
        public WebBaseEventCollection Events {
            get { return _events; } 
        }

        public EventNotificationType NotificationType {
            get { return _notificationType; } 
        }
 
        public int EventsInNotification { 
            get { return _eventsInNotification; }
        } 

        public int EventsRemaining {
            get { return _eventsRemaining; }
        } 

        public int MessagesInNotification { 
            get { return _messagesInNotification; } 
        }
 
        public int EventsInBuffer {
            get { return _eventsInBuffer; }
        }
 
        public int EventsDiscardedByBuffer {
            get { return _discardedSinceLastNotification; } 
        } 

        public int EventsDiscardedDueToMessageLimit { 
            get { return _eventsLostDueToMessageLimit; }
        }

        public int NotificationSequence { 
            get { return _notificationSequence; }
        } 
 
        public int MessageSequence {
            get { return _messageSequence; } 
        }

        public DateTime LastNotificationUtc   {
            get { return _lastNotificationUtc; } 
        }
 
        public MailMessage Message { 
            get { return _msg; }
        } 
    }

    internal class TemplatedMailCompileErrorFormatter : DynamicCompileErrorFormatter {
        int     _eventsRemaining; 
        bool    _showDetails;
 
        internal TemplatedMailCompileErrorFormatter(HttpCompileException e, int eventsRemaining, 
                                                                    bool showDetails) :
            base(e) { 
            _eventsRemaining = eventsRemaining;
            _showDetails = showDetails;

            _hideDetailedCompilerOutput = true; 
            _dontShowVersion = true;
        } 
 
        protected override string ErrorTitle {
            get { 
                return SR.GetString(SR.MailWebEventProvider_template_compile_error,
                                    _eventsRemaining.ToString(CultureInfo.InstalledUICulture));
            }
        } 

        protected override string Description { 
            get { 
                if (_showDetails) {
                    return base.Description; 
                }
                else {
                    return SR.GetString(
                                    SR.MailWebEventProvider_template_error_no_details); 
                }
            } 
        } 

        protected override string MiscSectionTitle { 
            get {
                if (_showDetails) {
                    return base.MiscSectionTitle;
                } 
                else {
                    return null; 
                } 
            }
        } 

        protected override string MiscSectionContent {
            get {
                if (_showDetails) { 
                    return base.MiscSectionContent;
                } 
                else { 
                    return null;
                } 
            }
        }
    }
 

    internal class TemplatedMailRuntimeErrorFormatter : UnhandledErrorFormatter { 
        int     _eventsRemaining; 
        bool    _showDetails;
 
        internal TemplatedMailRuntimeErrorFormatter(Exception e, int eventsRemaining,
                                                                    bool showDetails) :
            base(e) {
            _eventsRemaining = eventsRemaining; 
            _showDetails = showDetails;
 
            _dontShowVersion = true; 
        }
 
        protected override string ErrorTitle {
            get {
                if (HttpException.GetHttpCodeForException(Exception) == 404) {
                    return SR.GetString(SR.MailWebEventProvider_template_file_not_found_error, 
                                    _eventsRemaining.ToString(CultureInfo.InstalledUICulture));
                } 
                else { 
                    return SR.GetString(SR.MailWebEventProvider_template_runtime_error,
                                    _eventsRemaining.ToString(CultureInfo.InstalledUICulture)); 
                }
            }
        }
 
        protected override string ColoredSquareTitle {
            get { return null;} 
        } 

        protected override string ColoredSquareContent { 
            get { return null; }
        }

        protected override string Description { 
            get {
                if (_showDetails) { 
                    return base.Description; 
                }
                else { 
                    return SR.GetString(
                                    SR.MailWebEventProvider_template_error_no_details);
                }
            } 
        }
 
        protected override string MiscSectionTitle { 
            get {
                if (_showDetails) { 
                    return base.MiscSectionTitle;
                }
                else {
                    return null; 
                }
            } 
        } 

        protected override string MiscSectionContent { 
            get {
                if (_showDetails) {
                    return base.MiscSectionContent;
                } 
                else {
                    return null; 
                } 
            }
        } 

        protected override string ColoredSquare2Title {
            get {
                if (_showDetails) { 
                    return base.ColoredSquare2Title;
                } 
                else { 
                    return null;
                } 
            }
        }

        protected override string ColoredSquare2Content { 
            get {
                if (_showDetails) { 
                    return base.ColoredSquare2Content; 
                }
                else { 
                    return null;
                }
            }
        } 
    }
} 
 

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

namespace System.Web.Management { 
    using System.Configuration; 
    using System.Configuration.Provider;
    using System.Collections.Specialized; 
    using System.Web.Util;
    using System.Net.Mail;
    using System.Globalization;
    using System.Web.Configuration; 
    using System.Text;
    using System.IO; 
    using System.Runtime.Remoting.Messaging; 
    using System.Security.Permissions;
    using System.Threading; 

    public sealed class TemplatedMailWebEventProvider  : MailWebEventProvider, IInternalWebEventProvider   {
        int     _nonBufferNotificationSequence = 0;
 
        string  _templateUrl;
        bool    _detailedTemplateErrors = false; 
 
        class TemplatedMailErrorFormatterGenerator : ErrorFormatterGenerator {
            int                     _eventsRemaining; 
            bool                    _showDetails;
            bool                    _errorFormatterCalled;

            internal TemplatedMailErrorFormatterGenerator(int eventsRemaining, bool showDetails) { 
                _eventsRemaining = eventsRemaining;
                _showDetails = showDetails; 
            } 

            internal bool ErrorFormatterCalled { 
                get { return _errorFormatterCalled; }
            }

            internal override ErrorFormatter GetErrorFormatter(Exception e) { 
                Exception inner = e.InnerException;
 
                _errorFormatterCalled = true; 

                while (inner !=  null) { 
                    if (inner is HttpCompileException) {
                        return new TemplatedMailCompileErrorFormatter((HttpCompileException)inner, _eventsRemaining, _showDetails);
                    }
                    else { 
                        inner = inner.InnerException;
                    } 
                } 

                return new TemplatedMailRuntimeErrorFormatter(e, _eventsRemaining, _showDetails); 
            }
        }

        internal TemplatedMailWebEventProvider() { } 

        public override void Initialize(string name, NameValueCollection config) 
        { 
            Debug.Trace("TemplatedMailWebEventProvider", "Initializing: name=" + name);
 
            ProviderUtil.GetAndRemoveStringAttribute(config, "template", name, ref _templateUrl);

            if (_templateUrl == null) {
                throw new ConfigurationErrorsException(SR.GetString(SR.Provider_missing_attribute, "template", name)); 
            }
 
            _templateUrl = _templateUrl.Trim(); 

            if (_templateUrl.Length == 0) { 
                throw new ConfigurationErrorsException(SR.GetString(SR.Invalid_provider_attribute, "template", name, _templateUrl));
            }

            if (!UrlPath.IsRelativeUrl(_templateUrl)) { 
                throw new ConfigurationErrorsException(SR.GetString(SR.Invalid_mail_template_provider_attribute,
                                "template", name, _templateUrl)); 
            } 

            _templateUrl = UrlPath.Combine(HttpRuntime.AppDomainAppVirtualPathString, _templateUrl); 

            // VSWhidbey 440081: Guard against templates outside the AppDomain path
            if (!HttpRuntime.IsPathWithinAppRoot(_templateUrl)) {
                throw new ConfigurationErrorsException(SR.GetString(SR.Invalid_mail_template_provider_attribute, 
                                "template", name, _templateUrl));
            } 
 
            ProviderUtil.GetAndRemoveBooleanAttribute(config, "detailedTemplateErrors", name, ref _detailedTemplateErrors);
 
            base.Initialize(name, config);
        }

        void GenerateMessageBody( 
                            MailMessage msg,
                            WebBaseEventCollection events, 
                            DateTime lastNotificationUtc, 
                            int discardedSinceLastNotification,
                            int eventsInBuffer, 
                            int notificationSequence,
                            EventNotificationType notificationType,
                            int eventsInNotification,
                            int eventsRemaining, 
                            int messagesInNotification,
                            int eventsLostDueToMessageLimit, 
                            int messageSequence, 
                            out bool fatalError) {
 
            StringWriter  writer = new StringWriter(CultureInfo.InstalledUICulture);

            MailEventNotificationInfo info = new MailEventNotificationInfo(
                                                    msg, 
                                                    events,
                                                    lastNotificationUtc, 
                                                    discardedSinceLastNotification, 
                                                    eventsInBuffer,
                                                    notificationSequence, 
                                                    notificationType,
                                                    eventsInNotification,
                                                    eventsRemaining,
                                                    messagesInNotification, 
                                                    eventsLostDueToMessageLimit,
                                                    messageSequence); 
 
            CallContext.SetData(CurrentEventsName, info);
 
            try {
                TemplatedMailErrorFormatterGenerator gen = new TemplatedMailErrorFormatterGenerator(events.Count + eventsRemaining, _detailedTemplateErrors);
                HttpServerUtility.ExecuteLocalRequestAndCaptureResponse(_templateUrl, writer, gen);
 
                fatalError = gen.ErrorFormatterCalled;
 
                if (fatalError) { 
                    msg.Subject = HttpUtility.HtmlEncode(SR.GetString(SR.WebEvent_event_email_subject_template_error,
                                                notificationSequence.ToString(CultureInfo.InstalledUICulture), 
                                                messageSequence.ToString(CultureInfo.InstalledUICulture),
                                                SubjectPrefix));
                }
 
                msg.Body = writer.ToString();
                msg.IsBodyHtml = true; 
            } 
            finally {
                CallContext.FreeNamedDataSlot(CurrentEventsName); 
            }
        }

        internal override void SendMessage(WebBaseEvent eventRaised) { 
            WebBaseEventCollection events = new WebBaseEventCollection(eventRaised);
            bool templateError; 
 
            SendMessageInternal(events,                        // events
                        DateTime.MinValue,              // lastNotificationUtc 
                        0,                              // discardedSinceLastNotification
                        0,                              // eventsInBuffer
                        Interlocked.Increment(ref _nonBufferNotificationSequence), // notificationSequence
                        EventNotificationType.Unbuffered,    // notificationType 
                        1,                              // eventsInNotification
                        0,                              // eventsRemaining 
                        1,                              // messagesInNotification 
                        0,                              // eventsLostDueToMessageLimit
                        MessageSequenceBase,            // messageSequence 
                        out templateError);             // templateError
        }

        internal override void SendMessage(WebBaseEventCollection events, 
                            WebEventBufferFlushInfo flushInfo,
                            int eventsInNotification, 
                            int eventsRemaining, 
                            int messagesInNotification,
                            int eventsLostDueToMessageLimit, 
                            int messageSequence,
                            int eventsSent,
                            out bool fatalError) {
 
            SendMessageInternal(events,
                            flushInfo.LastNotificationUtc, 
                            flushInfo.EventsDiscardedSinceLastNotification, 
                            flushInfo.EventsInBuffer,
                            flushInfo.NotificationSequence, 
                            flushInfo.NotificationType,
                            eventsInNotification,
                            eventsRemaining,
                            messagesInNotification, 
                            eventsLostDueToMessageLimit,
                            messageSequence, 
                            out fatalError); 
        }
 
        void SendMessageInternal(WebBaseEventCollection events,
                            DateTime lastNotificationUtc,
                            int discardedSinceLastNotification,
                            int eventsInBuffer, 
                            int notificationSequence,
                            EventNotificationType notificationType, 
                            int eventsInNotification, 
                            int eventsRemaining,
                            int messagesInNotification, 
                            int eventsLostDueToMessageLimit,
                            int messageSequence,
                            out bool fatalError) {
 
            using (MailMessage msg = GetMessage()) {
 
                msg.Subject = GenerateSubject(notificationSequence, messageSequence, events, events.Count); 

                GenerateMessageBody( 
                            msg,
                            events,
                            lastNotificationUtc,
                            discardedSinceLastNotification, 
                            eventsInBuffer,
                            notificationSequence, 
                            notificationType, 
                            eventsInNotification,
                            eventsRemaining, 
                            messagesInNotification,
                            eventsLostDueToMessageLimit,
                            messageSequence,
                            out fatalError); 

                SendMail(msg); 
            } 
        }
 
        internal const string   CurrentEventsName = "_TWCurEvt";

        public static MailEventNotificationInfo  CurrentNotification   {
            get { 
                return (MailEventNotificationInfo)CallContext.GetData(CurrentEventsName);
            } 
        } 
    }
 
    public sealed class MailEventNotificationInfo {
        WebBaseEventCollection  _events;
        DateTime                _lastNotificationUtc;
        int                     _discardedSinceLastNotification; 
        int                     _eventsInBuffer;
        int                     _notificationSequence; 
 
        EventNotificationType   _notificationType;
        int                     _eventsInNotification; 
        int                     _eventsRemaining;
        int                     _messagesInNotification;
        int                     _eventsLostDueToMessageLimit;
        int                     _messageSequence; 
        MailMessage             _msg;
 
        internal MailEventNotificationInfo( 
                            MailMessage msg,
                            WebBaseEventCollection events, 
                            DateTime lastNotificationUtc,
                            int discardedSinceLastNotification,
                            int eventsInBuffer,
                            int notificationSequence, 
                            EventNotificationType notificationType,
                            int eventsInNotification, 
                            int eventsRemaining, 
                            int messagesInNotification,
                            int eventsLostDueToMessageLimit, 
                            int messageSequence) {
            _events = events;
            _lastNotificationUtc = lastNotificationUtc;
            _discardedSinceLastNotification = discardedSinceLastNotification; 
            _eventsInBuffer = eventsInBuffer;
            _notificationSequence = notificationSequence; 
 
            _notificationType = notificationType;
            _eventsInNotification = eventsInNotification; 
            _eventsRemaining = eventsRemaining  ;
            _messagesInNotification = messagesInNotification;
            _eventsLostDueToMessageLimit = eventsLostDueToMessageLimit;
            _messageSequence = messageSequence; 
            _msg = msg;
        } 
 
        public WebBaseEventCollection Events {
            get { return _events; } 
        }

        public EventNotificationType NotificationType {
            get { return _notificationType; } 
        }
 
        public int EventsInNotification { 
            get { return _eventsInNotification; }
        } 

        public int EventsRemaining {
            get { return _eventsRemaining; }
        } 

        public int MessagesInNotification { 
            get { return _messagesInNotification; } 
        }
 
        public int EventsInBuffer {
            get { return _eventsInBuffer; }
        }
 
        public int EventsDiscardedByBuffer {
            get { return _discardedSinceLastNotification; } 
        } 

        public int EventsDiscardedDueToMessageLimit { 
            get { return _eventsLostDueToMessageLimit; }
        }

        public int NotificationSequence { 
            get { return _notificationSequence; }
        } 
 
        public int MessageSequence {
            get { return _messageSequence; } 
        }

        public DateTime LastNotificationUtc   {
            get { return _lastNotificationUtc; } 
        }
 
        public MailMessage Message { 
            get { return _msg; }
        } 
    }

    internal class TemplatedMailCompileErrorFormatter : DynamicCompileErrorFormatter {
        int     _eventsRemaining; 
        bool    _showDetails;
 
        internal TemplatedMailCompileErrorFormatter(HttpCompileException e, int eventsRemaining, 
                                                                    bool showDetails) :
            base(e) { 
            _eventsRemaining = eventsRemaining;
            _showDetails = showDetails;

            _hideDetailedCompilerOutput = true; 
            _dontShowVersion = true;
        } 
 
        protected override string ErrorTitle {
            get { 
                return SR.GetString(SR.MailWebEventProvider_template_compile_error,
                                    _eventsRemaining.ToString(CultureInfo.InstalledUICulture));
            }
        } 

        protected override string Description { 
            get { 
                if (_showDetails) {
                    return base.Description; 
                }
                else {
                    return SR.GetString(
                                    SR.MailWebEventProvider_template_error_no_details); 
                }
            } 
        } 

        protected override string MiscSectionTitle { 
            get {
                if (_showDetails) {
                    return base.MiscSectionTitle;
                } 
                else {
                    return null; 
                } 
            }
        } 

        protected override string MiscSectionContent {
            get {
                if (_showDetails) { 
                    return base.MiscSectionContent;
                } 
                else { 
                    return null;
                } 
            }
        }
    }
 

    internal class TemplatedMailRuntimeErrorFormatter : UnhandledErrorFormatter { 
        int     _eventsRemaining; 
        bool    _showDetails;
 
        internal TemplatedMailRuntimeErrorFormatter(Exception e, int eventsRemaining,
                                                                    bool showDetails) :
            base(e) {
            _eventsRemaining = eventsRemaining; 
            _showDetails = showDetails;
 
            _dontShowVersion = true; 
        }
 
        protected override string ErrorTitle {
            get {
                if (HttpException.GetHttpCodeForException(Exception) == 404) {
                    return SR.GetString(SR.MailWebEventProvider_template_file_not_found_error, 
                                    _eventsRemaining.ToString(CultureInfo.InstalledUICulture));
                } 
                else { 
                    return SR.GetString(SR.MailWebEventProvider_template_runtime_error,
                                    _eventsRemaining.ToString(CultureInfo.InstalledUICulture)); 
                }
            }
        }
 
        protected override string ColoredSquareTitle {
            get { return null;} 
        } 

        protected override string ColoredSquareContent { 
            get { return null; }
        }

        protected override string Description { 
            get {
                if (_showDetails) { 
                    return base.Description; 
                }
                else { 
                    return SR.GetString(
                                    SR.MailWebEventProvider_template_error_no_details);
                }
            } 
        }
 
        protected override string MiscSectionTitle { 
            get {
                if (_showDetails) { 
                    return base.MiscSectionTitle;
                }
                else {
                    return null; 
                }
            } 
        } 

        protected override string MiscSectionContent { 
            get {
                if (_showDetails) {
                    return base.MiscSectionContent;
                } 
                else {
                    return null; 
                } 
            }
        } 

        protected override string ColoredSquare2Title {
            get {
                if (_showDetails) { 
                    return base.ColoredSquare2Title;
                } 
                else { 
                    return null;
                } 
            }
        }

        protected override string ColoredSquare2Content { 
            get {
                if (_showDetails) { 
                    return base.ColoredSquare2Content; 
                }
                else { 
                    return null;
                }
            }
        } 
    }
} 
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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