MailWriter.cs

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using System.Collections.Specialized;
using System.IO;
using System.Net.Mime;
 
namespace System.Net.Mail;
 
internal sealed class MailWriter : BaseWriter
{
    internal MailWriter(Stream stream, bool encodeForTransport)
        : base(stream, encodeForTransport)
    {
    }
 
    internal override void WriteHeaders(NameValueCollection headers, bool allowUnicode)
    {
        if (headers == null)
        {
            throw new ArgumentNullException("headers");
        }
        foreach (string header in headers)
        {
            string[] values = headers.GetValues(header);
            string[] array = values;
            foreach (string value in array)
            {
                WriteHeader(header, value, allowUnicode);
            }
        }
    }
 
    internal override void Close()
    {
        _bufferBuilder.Append(BaseWriter.s_crlf);
        Flush(null);
        _stream.Close();
    }
 
    protected override void OnClose(object sender, EventArgs args)
    {
        _contentStream.Flush();
        _contentStream = null;
    }
}