SmtpException.cs

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using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
 
namespace System.Net.Mail;
 
[Serializable]
[TypeForwardedFrom("System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
public class SmtpException : Exception, ISerializable
{
    private SmtpStatusCode _statusCode = SmtpStatusCode.GeneralFailure;
 
    public SmtpStatusCode StatusCode
    {
        get
        {
            return _statusCode;
        }
        set
        {
            _statusCode = value;
        }
    }
 
    private static string GetMessageForStatus(SmtpStatusCode statusCode, string serverResponse)
    {
        return GetMessageForStatus(statusCode) + " " + System.SR.Format(System.SR.MailServerResponse, serverResponse);
    }
 
    private static string GetMessageForStatus(SmtpStatusCode statusCode)
    {
        return statusCode switch
        {
            SmtpStatusCode.SyntaxError => System.SR.SmtpSyntaxError, 
            SmtpStatusCode.CommandNotImplemented => System.SR.SmtpCommandNotImplemented, 
            SmtpStatusCode.BadCommandSequence => System.SR.SmtpBadCommandSequence, 
            SmtpStatusCode.CommandParameterNotImplemented => System.SR.SmtpCommandParameterNotImplemented, 
            SmtpStatusCode.SystemStatus => System.SR.SmtpSystemStatus, 
            SmtpStatusCode.HelpMessage => System.SR.SmtpHelpMessage, 
            SmtpStatusCode.ServiceReady => System.SR.SmtpServiceReady, 
            SmtpStatusCode.ServiceClosingTransmissionChannel => System.SR.SmtpServiceClosingTransmissionChannel, 
            SmtpStatusCode.ServiceNotAvailable => System.SR.SmtpServiceNotAvailable, 
            SmtpStatusCode.Ok => System.SR.SmtpOK, 
            SmtpStatusCode.UserNotLocalWillForward => System.SR.SmtpUserNotLocalWillForward, 
            SmtpStatusCode.MailboxBusy => System.SR.SmtpMailboxBusy, 
            SmtpStatusCode.MailboxUnavailable => System.SR.SmtpMailboxUnavailable, 
            SmtpStatusCode.LocalErrorInProcessing => System.SR.SmtpLocalErrorInProcessing, 
            SmtpStatusCode.UserNotLocalTryAlternatePath => System.SR.SmtpUserNotLocalTryAlternatePath, 
            SmtpStatusCode.InsufficientStorage => System.SR.SmtpInsufficientStorage, 
            SmtpStatusCode.ExceededStorageAllocation => System.SR.SmtpExceededStorageAllocation, 
            SmtpStatusCode.MailboxNameNotAllowed => System.SR.SmtpMailboxNameNotAllowed, 
            SmtpStatusCode.StartMailInput => System.SR.SmtpStartMailInput, 
            SmtpStatusCode.TransactionFailed => System.SR.SmtpTransactionFailed, 
            SmtpStatusCode.ClientNotPermitted => System.SR.SmtpClientNotPermitted, 
            SmtpStatusCode.MustIssueStartTlsFirst => System.SR.SmtpMustIssueStartTlsFirst, 
            _ => System.SR.SmtpCommandUnrecognized, 
        };
    }
 
    public SmtpException(SmtpStatusCode statusCode)
        : base(GetMessageForStatus(statusCode))
    {
        _statusCode = statusCode;
    }
 
    public SmtpException(SmtpStatusCode statusCode, string? message)
        : base(message)
    {
        _statusCode = statusCode;
    }
 
    public SmtpException()
        : this(SmtpStatusCode.GeneralFailure)
    {
    }
 
    public SmtpException(string? message)
        : base(message)
    {
    }
 
    public SmtpException(string? message, Exception? innerException)
        : base(message, innerException)
    {
    }
 
    protected SmtpException(SerializationInfo serializationInfo, StreamingContext streamingContext)
        : base(serializationInfo, streamingContext)
    {
        _statusCode = (SmtpStatusCode)serializationInfo.GetInt32("Status");
    }
 
    internal SmtpException(SmtpStatusCode statusCode, string serverMessage, bool serverResponse)
        : base(GetMessageForStatus(statusCode, serverMessage))
    {
        _statusCode = statusCode;
    }
 
    internal SmtpException(string message, string serverResponse)
        : base(message + " " + System.SR.Format(System.SR.MailServerResponse, serverResponse))
    {
    }
 
    void ISerializable.GetObjectData(SerializationInfo serializationInfo, StreamingContext streamingContext)
    {
        GetObjectData(serializationInfo, streamingContext);
    }
 
    public override void GetObjectData(SerializationInfo serializationInfo, StreamingContext streamingContext)
    {
        base.GetObjectData(serializationInfo, streamingContext);
        serializationInfo.AddValue("Status", (int)_statusCode, typeof(int));
    }
}