mono/mcs/class/System/System.Net.Mail/AttachmentBase.cs

//
// System.Net.Mail.AttachmentBase.cs
//
// Author:
//	John Luke ([email protected])
//
// Copyright (C) John Luke, 2005
//

//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System.IO;
using System.Net.Mime;
using System.Text;
using System.Collections;

namespace System.Net.Mail {
	public abstract class AttachmentBase : IDisposable
	{
		#region Fields

		string id;
		ContentType contentType = new ContentType ();
		Stream contentStream;
		TransferEncoding transferEncoding = TransferEncoding.Base64;

		#endregion // Fields

		#region Constructors

		protected AttachmentBase (Stream contentStream)
		{
			if (contentStream == null)
				throw new ArgumentNullException ();
			this.contentStream = contentStream;
			contentType.MediaType = MediaTypeNames.Application.Octet;
			contentType.CharSet = null;
		}

		protected AttachmentBase (Stream contentStream, ContentType contentType)
		{
			if (contentStream == null || contentType == null)
				throw new ArgumentNullException ();
			this.contentStream = contentStream;
			this.contentType = contentType;
		}

		protected AttachmentBase (Stream contentStream, string mediaType)
		{
			if (contentStream == null)
				throw new ArgumentNullException ();
			this.contentStream = contentStream;
			contentType.MediaType = mediaType;
		}

		protected AttachmentBase (string fileName)
		{
			if (fileName == null)
				throw new ArgumentNullException ();
			contentStream = File.OpenRead (fileName);
			contentType = new ContentType (MimeTypes.GetMimeType (fileName));
		}

		protected AttachmentBase (string fileName, ContentType contentType) {
			if (fileName == null)
				throw new ArgumentNullException ();
			contentStream = File.OpenRead (fileName);
			this.contentType = contentType;
		}

		protected AttachmentBase (string fileName, string mediaType)
		{
			if (fileName == null)
				throw new ArgumentNullException ();
			contentStream = File.OpenRead (fileName);
			contentType.MediaType = mediaType;
		}

		#endregion // Constructors

		#region Properties

		public string ContentId {
			get { return id; }
			set {
				if (value == null)
					throw new ArgumentNullException ();
				id = value;
			}
		}

		public Stream ContentStream {
			get { return contentStream; }
		}

		public ContentType ContentType {
			get { return contentType; }
			set { contentType = value; }
		}

		public TransferEncoding TransferEncoding {
			get { return transferEncoding; }
			set { transferEncoding = value; }
		}

		#endregion // Properties

		#region Methods

		public void Dispose ()
		{
			Dispose (true);
			//GC.SuppressFinalize (this);
		}

		protected virtual void Dispose (bool disposing)
		{
			if (disposing)
				contentStream.Close ();
		}

		#endregion // Methods
		private class MimeTypes
		{
			static Hashtable mimeTypes;

			static MimeTypes () {
				mimeTypes = new Hashtable (StringComparer.InvariantCultureIgnoreCase);

				mimeTypes.Add ("3dm", "x-world/x-3dmf");
				mimeTypes.Add ("3dmf", "x-world/x-3dmf");
				mimeTypes.Add ("aab", "application/x-authorware-bin");
				mimeTypes.Add ("aam", "application/x-authorware-map");
				mimeTypes.Add ("aas", "application/x-authorware-seg");
				mimeTypes.Add ("abc", "text/vnd.abc");
				mimeTypes.Add ("acgi", "text/html");
				mimeTypes.Add ("afl", "video/animaflex");
				mimeTypes.Add ("ai", "application/postscript");
				mimeTypes.Add ("aif", "audio/aiff");
				mimeTypes.Add ("aifc", "audio/aiff");
				mimeTypes.Add ("aiff", "audio/aiff");
				mimeTypes.Add ("aim", "application/x-aim");
				mimeTypes.Add ("aip", "text/x-audiosoft-intra");
				mimeTypes.Add ("ani", "application/x-navi-animation");
				mimeTypes.Add ("aos", "application/x-nokia-9000-communicator-add-on-software");
				mimeTypes.Add ("aps", "application/mime");
				mimeTypes.Add ("art", "image/x-jg");
				mimeTypes.Add ("asf", "video/x-ms-asf");
				mimeTypes.Add ("asm", "text/x-asm");
				mimeTypes.Add ("asp", "text/asp");
				mimeTypes.Add ("asx", "application/x-mplayer2");
				mimeTypes.Add ("au", "audio/x-au");
				mimeTypes.Add ("avi", "video/avi");
				mimeTypes.Add ("avs", "video/avs-video");
				mimeTypes.Add ("bcpio", "application/x-bcpio");
				mimeTypes.Add ("bm", "image/bmp");
				mimeTypes.Add ("bmp", "image/bmp");
				mimeTypes.Add ("boo", "application/book");
				mimeTypes.Add ("book", "application/book");
				mimeTypes.Add ("boz", "application/x-bzip2");
				mimeTypes.Add ("bsh", "application/x-bsh");
				mimeTypes.Add ("bz", "application/x-bzip");
				mimeTypes.Add ("bz2", "application/x-bzip2");
				mimeTypes.Add ("c", "text/plain");
				mimeTypes.Add ("c++", "text/plain");
				mimeTypes.Add ("cat", "application/vnd.ms-pki.seccat");
				mimeTypes.Add ("cc", "text/plain");
				mimeTypes.Add ("ccad", "application/clariscad");
				mimeTypes.Add ("cco", "application/x-cocoa");
				mimeTypes.Add ("cdf", "application/cdf");
				mimeTypes.Add ("cer", "application/pkix-cert");
				mimeTypes.Add ("cha", "application/x-chat");
				mimeTypes.Add ("chat", "application/x-chat");
				mimeTypes.Add ("class", "application/java");
				mimeTypes.Add ("conf", "text/plain");
				mimeTypes.Add ("cpio", "application/x-cpio");
				mimeTypes.Add ("cpp", "text/plain");
				mimeTypes.Add ("cpt", "application/x-cpt");
				mimeTypes.Add ("crl", "application/pkix-crl");
				mimeTypes.Add ("crt", "application/pkix-cert");
				mimeTypes.Add ("csh", "application/x-csh");
				mimeTypes.Add ("css", "text/css");
				mimeTypes.Add ("cxx", "text/plain");
				mimeTypes.Add ("dcr", "application/x-director");
				mimeTypes.Add ("deepv", "application/x-deepv");
				mimeTypes.Add ("def", "text/plain");
				mimeTypes.Add ("der", "application/x-x509-ca-cert");
				mimeTypes.Add ("dif", "video/x-dv");
				mimeTypes.Add ("dir", "application/x-director");
				mimeTypes.Add ("dl", "video/dl");
				mimeTypes.Add ("doc", "application/msword");
				mimeTypes.Add ("dot", "application/msword");
				mimeTypes.Add ("dp", "application/commonground");
				mimeTypes.Add ("drw", "application/drafting");
				mimeTypes.Add ("dv", "video/x-dv");
				mimeTypes.Add ("dvi", "application/x-dvi");
				mimeTypes.Add ("dwf", "drawing/x-dwf (old)");
				mimeTypes.Add ("dwg", "application/acad");
				mimeTypes.Add ("dxf", "application/dxf");
				mimeTypes.Add ("dxr", "application/x-director");
				mimeTypes.Add ("el", "text/x-script.elisp");
				mimeTypes.Add ("elc", "application/x-elc");
				mimeTypes.Add ("eps", "application/postscript");
				mimeTypes.Add ("es", "application/x-esrehber");
				mimeTypes.Add ("etx", "text/x-setext");
				mimeTypes.Add ("evy", "application/envoy");
				mimeTypes.Add ("f", "text/plain");
				mimeTypes.Add ("f77", "text/plain");
				mimeTypes.Add ("f90", "text/plain");
				mimeTypes.Add ("fdf", "application/vnd.fdf");
				mimeTypes.Add ("fif", "image/fif");
				mimeTypes.Add ("fli", "video/fli");
				mimeTypes.Add ("flo", "image/florian");
				mimeTypes.Add ("flx", "text/vnd.fmi.flexstor");
				mimeTypes.Add ("fmf", "video/x-atomic3d-feature");
				mimeTypes.Add ("for", "text/plain");
				mimeTypes.Add ("fpx", "image/vnd.fpx");
				mimeTypes.Add ("frl", "application/freeloader");
				mimeTypes.Add ("funk", "audio/make");
				mimeTypes.Add ("g", "text/plain");
				mimeTypes.Add ("g3", "image/g3fax");
				mimeTypes.Add ("gif", "image/gif");
				mimeTypes.Add ("gl", "video/gl");
				mimeTypes.Add ("gsd", "audio/x-gsm");
				mimeTypes.Add ("gsm", "audio/x-gsm");
				mimeTypes.Add ("gsp", "application/x-gsp");
				mimeTypes.Add ("gss", "application/x-gss");
				mimeTypes.Add ("gtar", "application/x-gtar");
				mimeTypes.Add ("gz", "application/x-gzip");
				mimeTypes.Add ("gzip", "application/x-gzip");
				mimeTypes.Add ("h", "text/plain");
				mimeTypes.Add ("hdf", "application/x-hdf");
				mimeTypes.Add ("help", "application/x-helpfile");
				mimeTypes.Add ("hgl", "application/vnd.hp-HPGL");
				mimeTypes.Add ("hh", "text/plain");
				mimeTypes.Add ("hlb", "text/x-script");
				mimeTypes.Add ("hlp", "application/x-helpfile");
				mimeTypes.Add ("hpg", "application/vnd.hp-HPGL");
				mimeTypes.Add ("hpgl", "application/vnd.hp-HPGL");
				mimeTypes.Add ("hqx", "application/binhex");
				mimeTypes.Add ("hta", "application/hta");
				mimeTypes.Add ("htc", "text/x-component");
				mimeTypes.Add ("htm", "text/html");
				mimeTypes.Add ("html", "text/html");
				mimeTypes.Add ("htmls", "text/html");
				mimeTypes.Add ("htt", "text/webviewhtml");
				mimeTypes.Add ("htx", "text/html");
				mimeTypes.Add ("ice", "x-conference/x-cooltalk");
				mimeTypes.Add ("ico", "image/x-icon");
				mimeTypes.Add ("idc", "text/plain");
				mimeTypes.Add ("ief", "image/ief");
				mimeTypes.Add ("iefs", "image/ief");
				mimeTypes.Add ("iges", "application/iges");
				mimeTypes.Add ("igs", "application/iges");
				mimeTypes.Add ("ima", "application/x-ima");
				mimeTypes.Add ("imap", "application/x-httpd-imap");
				mimeTypes.Add ("inf", "application/inf");
				mimeTypes.Add ("ins", "application/x-internett-signup");
				mimeTypes.Add ("ip", "application/x-ip2");
				mimeTypes.Add ("isu", "video/x-isvideo");
				mimeTypes.Add ("it", "audio/it");
				mimeTypes.Add ("iv", "application/x-inventor");
				mimeTypes.Add ("ivr", "i-world/i-vrml");
				mimeTypes.Add ("ivy", "application/x-livescreen");
				mimeTypes.Add ("jam", "audio/x-jam");
				mimeTypes.Add ("jav", "text/plain");
				mimeTypes.Add ("java", "text/plain");
				mimeTypes.Add ("jcm", "application/x-java-commerce");
				mimeTypes.Add ("jfif", "image/jpeg");
				mimeTypes.Add ("jfif-tbnl", "image/jpeg");
				mimeTypes.Add ("jpe", "image/jpeg");
				mimeTypes.Add ("jpeg", "image/jpeg");
				mimeTypes.Add ("jpg", "image/jpeg");
				mimeTypes.Add ("jps", "image/x-jps");
				mimeTypes.Add ("js", "application/x-javascript");
				mimeTypes.Add ("jut", "image/jutvision");
				mimeTypes.Add ("kar", "audio/midi");
				mimeTypes.Add ("ksh", "text/x-script.ksh");
				mimeTypes.Add ("la", "audio/nspaudio");
				mimeTypes.Add ("lam", "audio/x-liveaudio");
				mimeTypes.Add ("latex", "application/x-latex");
				mimeTypes.Add ("list", "text/plain");
				mimeTypes.Add ("lma", "audio/nspaudio");
				mimeTypes.Add ("log", "text/plain");
				mimeTypes.Add ("lsp", "application/x-lisp");
				mimeTypes.Add ("lst", "text/plain");
				mimeTypes.Add ("lsx", "text/x-la-asf");
				mimeTypes.Add ("ltx", "application/x-latex");
				mimeTypes.Add ("m", "text/plain");
				mimeTypes.Add ("m1v", "video/mpeg");
				mimeTypes.Add ("m2a", "audio/mpeg");
				mimeTypes.Add ("m2v", "video/mpeg");
				mimeTypes.Add ("m3u", "audio/x-mpequrl");
				mimeTypes.Add ("man", "application/x-troff-man");
				mimeTypes.Add ("map", "application/x-navimap");
				mimeTypes.Add ("mar", "text/plain");
				mimeTypes.Add ("mbd", "application/mbedlet");
				mimeTypes.Add ("mc$", "application/x-magic-cap-package-1.0");
				mimeTypes.Add ("mcd", "application/mcad");
				mimeTypes.Add ("mcf", "image/vasa");
				mimeTypes.Add ("mcp", "application/netmc");
				mimeTypes.Add ("me", "application/x-troff-me");
				mimeTypes.Add ("mht", "message/rfc822");
				mimeTypes.Add ("mhtml", "message/rfc822");
				mimeTypes.Add ("mid", "audio/midi");
				mimeTypes.Add ("midi", "audio/midi");
				mimeTypes.Add ("mif", "application/x-mif");
				mimeTypes.Add ("mime", "message/rfc822");
				mimeTypes.Add ("mjf", "audio/x-vnd.AudioExplosion.MjuiceMediaFile");
				mimeTypes.Add ("mjpg", "video/x-motion-jpeg");
				mimeTypes.Add ("mm", "application/base64");
				mimeTypes.Add ("mme", "application/base64");
				mimeTypes.Add ("mod", "audio/mod");
				mimeTypes.Add ("moov", "video/quicktime");
				mimeTypes.Add ("mov", "video/quicktime");
				mimeTypes.Add ("movie", "video/x-sgi-movie");
				mimeTypes.Add ("mp2", "video/mpeg");
				mimeTypes.Add ("mp3", "audio/mpeg3");
				mimeTypes.Add ("mpa", "audio/mpeg");
				mimeTypes.Add ("mpc", "application/x-project");
				mimeTypes.Add ("mpe", "video/mpeg");
				mimeTypes.Add ("mpeg", "video/mpeg");
				mimeTypes.Add ("mpg", "video/mpeg");
				mimeTypes.Add ("mpga", "audio/mpeg");
				mimeTypes.Add ("mpp", "application/vnd.ms-project");
				mimeTypes.Add ("mpt", "application/x-project");
				mimeTypes.Add ("mpv", "application/x-project");
				mimeTypes.Add ("mpx", "application/x-project");
				mimeTypes.Add ("mrc", "application/marc");
				mimeTypes.Add ("ms", "application/x-troff-ms");
				mimeTypes.Add ("mv", "video/x-sgi-movie");
				mimeTypes.Add ("my", "audio/make");
				mimeTypes.Add ("mzz", "application/x-vnd.AudioExplosion.mzz");
				mimeTypes.Add ("nap", "image/naplps");
				mimeTypes.Add ("naplps", "image/naplps");
				mimeTypes.Add ("nc", "application/x-netcdf");
				mimeTypes.Add ("ncm", "application/vnd.nokia.configuration-message");
				mimeTypes.Add ("nif", "image/x-niff");
				mimeTypes.Add ("niff", "image/x-niff");
				mimeTypes.Add ("nix", "application/x-mix-transfer");
				mimeTypes.Add ("nsc", "application/x-conference");
				mimeTypes.Add ("nvd", "application/x-navidoc");
				mimeTypes.Add ("oda", "application/oda");
				mimeTypes.Add ("omc", "application/x-omc");
				mimeTypes.Add ("omcd", "application/x-omcdatamaker");
				mimeTypes.Add ("omcr", "application/x-omcregerator");
				mimeTypes.Add ("p", "text/x-pascal");
				mimeTypes.Add ("p10", "application/pkcs10");
				mimeTypes.Add ("p12", "application/pkcs-12");
				mimeTypes.Add ("p7a", "application/x-pkcs7-signature");
				mimeTypes.Add ("p7c", "application/pkcs7-mime");
				mimeTypes.Add ("p7m", "application/pkcs7-mime");
				mimeTypes.Add ("p7r", "application/x-pkcs7-certreqresp");
				mimeTypes.Add ("p7s", "application/pkcs7-signature");
				mimeTypes.Add ("part", "application/pro_eng");
				mimeTypes.Add ("pas", "text/pascal");
				mimeTypes.Add ("pbm", "image/x-portable-bitmap");
				mimeTypes.Add ("pcl", "application/x-pcl");
				mimeTypes.Add ("pct", "image/x-pict");
				mimeTypes.Add ("pcx", "image/x-pcx");
				mimeTypes.Add ("pdb", "chemical/x-pdb");
				mimeTypes.Add ("pdf", "application/pdf");
				mimeTypes.Add ("pfunk", "audio/make");
				mimeTypes.Add ("pgm", "image/x-portable-graymap");
				mimeTypes.Add ("pic", "image/pict");
				mimeTypes.Add ("pict", "image/pict");
				mimeTypes.Add ("pkg", "application/x-newton-compatible-pkg");
				mimeTypes.Add ("pko", "application/vnd.ms-pki.pko");
				mimeTypes.Add ("pl", "text/plain");
				mimeTypes.Add ("plx", "application/x-PiXCLscript");
				mimeTypes.Add ("pm", "image/x-xpixmap");
				mimeTypes.Add ("pm4", "application/x-pagemaker");
				mimeTypes.Add ("pm5", "application/x-pagemaker");
				mimeTypes.Add ("png", "image/png");
				mimeTypes.Add ("pnm", "application/x-portable-anymap");
				mimeTypes.Add ("pot", "application/mspowerpoint");
				mimeTypes.Add ("pov", "model/x-pov");
				mimeTypes.Add ("ppa", "application/vnd.ms-powerpoint");
				mimeTypes.Add ("ppm", "image/x-portable-pixmap");
				mimeTypes.Add ("pps", "application/mspowerpoint");
				mimeTypes.Add ("ppt", "application/mspowerpoint");
				mimeTypes.Add ("ppz", "application/mspowerpoint");
				mimeTypes.Add ("pre", "application/x-freelance");
				mimeTypes.Add ("prt", "application/pro_eng");
				mimeTypes.Add ("ps", "application/postscript");
				mimeTypes.Add ("pvu", "paleovu/x-pv");
				mimeTypes.Add ("pwz", "application/vnd.ms-powerpoint");
				mimeTypes.Add ("py", "text/x-script.phyton");
				mimeTypes.Add ("pyc", "applicaiton/x-bytecode.python");
				mimeTypes.Add ("qcp", "audio/vnd.qcelp");
				mimeTypes.Add ("qd3", "x-world/x-3dmf");
				mimeTypes.Add ("qd3d", "x-world/x-3dmf");
				mimeTypes.Add ("qif", "image/x-quicktime");
				mimeTypes.Add ("qt", "video/quicktime");
				mimeTypes.Add ("qtc", "video/x-qtc");
				mimeTypes.Add ("qti", "image/x-quicktime");
				mimeTypes.Add ("qtif", "image/x-quicktime");
				mimeTypes.Add ("ra", "audio/x-pn-realaudio");
				mimeTypes.Add ("ram", "audio/x-pn-realaudio");
				mimeTypes.Add ("ras", "application/x-cmu-raster");
				mimeTypes.Add ("rast", "image/cmu-raster");
				mimeTypes.Add ("rexx", "text/x-script.rexx");
				mimeTypes.Add ("rf", "image/vnd.rn-realflash");
				mimeTypes.Add ("rgb", "image/x-rgb");
				mimeTypes.Add ("rm", "application/vnd.rn-realmedia");
				mimeTypes.Add ("rmi", "audio/mid");
				mimeTypes.Add ("rmm", "audio/x-pn-realaudio");
				mimeTypes.Add ("rmp", "audio/x-pn-realaudio");
				mimeTypes.Add ("rng", "application/ringing-tones");
				mimeTypes.Add ("rnx", "application/vnd.rn-realplayer");
				mimeTypes.Add ("roff", "application/x-troff");
				mimeTypes.Add ("rp", "image/vnd.rn-realpix");
				mimeTypes.Add ("rpm", "audio/x-pn-realaudio-plugin");
				mimeTypes.Add ("rss", "text/xml");
				mimeTypes.Add ("rt", "text/richtext");
				mimeTypes.Add ("rtf", "text/richtext");
				mimeTypes.Add ("rtx", "text/richtext");
				mimeTypes.Add ("rv", "video/vnd.rn-realvideo");
				mimeTypes.Add ("s", "text/x-asm");
				mimeTypes.Add ("s3m", "audio/s3m");
				mimeTypes.Add ("sbk", "application/x-tbook");
				mimeTypes.Add ("scm", "application/x-lotusscreencam");
				mimeTypes.Add ("sdml", "text/plain");
				mimeTypes.Add ("sdp", "application/sdp");
				mimeTypes.Add ("sdr", "application/sounder");
				mimeTypes.Add ("sea", "application/sea");
				mimeTypes.Add ("set", "application/set");
				mimeTypes.Add ("sgm", "text/sgml");
				mimeTypes.Add ("sgml", "text/sgml");
				mimeTypes.Add ("sh", "text/x-script.sh");
				mimeTypes.Add ("shar", "application/x-bsh");
				mimeTypes.Add ("shtml", "text/html");
				mimeTypes.Add ("sid", "audio/x-psid");
				mimeTypes.Add ("sit", "application/x-sit");
				mimeTypes.Add ("skd", "application/x-koan");
				mimeTypes.Add ("skm", "application/x-koan");
				mimeTypes.Add ("skp", "application/x-koan");
				mimeTypes.Add ("skt", "application/x-koan");
				mimeTypes.Add ("sl", "application/x-seelogo");
				mimeTypes.Add ("smi", "application/smil");
				mimeTypes.Add ("smil", "application/smil");
				mimeTypes.Add ("snd", "audio/basic");
				mimeTypes.Add ("sol", "application/solids");
				mimeTypes.Add ("spc", "application/x-pkcs7-certificates");
				mimeTypes.Add ("spl", "application/futuresplash");
				mimeTypes.Add ("spr", "application/x-sprite");
				mimeTypes.Add ("sprite", "application/x-sprite");
				mimeTypes.Add ("src", "application/x-wais-source");
				mimeTypes.Add ("ssi", "text/x-server-parsed-html");
				mimeTypes.Add ("ssm", "application/streamingmedia");
				mimeTypes.Add ("sst", "application/vnd.ms-pki.certstore");
				mimeTypes.Add ("step", "application/step");
				mimeTypes.Add ("stl", "application/sla");
				mimeTypes.Add ("stp", "application/step");
				mimeTypes.Add ("sv4cpio", "application/x-sv4cpio");
				mimeTypes.Add ("sv4crc", "application/x-sv4crc");
				mimeTypes.Add ("svf", "image/x-dwg");
				mimeTypes.Add ("svr", "application/x-world");
				mimeTypes.Add ("swf", "application/x-shockwave-flash");
				mimeTypes.Add ("t", "application/x-troff");
				mimeTypes.Add ("talk", "text/x-speech");
				mimeTypes.Add ("tar", "application/x-tar");
				mimeTypes.Add ("tbk", "application/toolbook");
				mimeTypes.Add ("tcl", "text/x-script.tcl");
				mimeTypes.Add ("tcsh", "text/x-script.tcsh");
				mimeTypes.Add ("tex", "application/x-tex");
				mimeTypes.Add ("texi", "application/x-texinfo");
				mimeTypes.Add ("texinfo", "application/x-texinfo");
				mimeTypes.Add ("text", "text/plain");
				mimeTypes.Add ("tgz", "application/x-compressed");
				mimeTypes.Add ("tif", "image/tiff");
				mimeTypes.Add ("tiff", "image/tiff");
				mimeTypes.Add ("tr", "application/x-troff");
				mimeTypes.Add ("tsi", "audio/tsp-audio");
				mimeTypes.Add ("tsp", "audio/tsplayer");
				mimeTypes.Add ("tsv", "text/tab-separated-values");
				mimeTypes.Add ("turbot", "image/florian");
				mimeTypes.Add ("txt", "text/plain");
				mimeTypes.Add ("uil", "text/x-uil");
				mimeTypes.Add ("uni", "text/uri-list");
				mimeTypes.Add ("unis", "text/uri-list");
				mimeTypes.Add ("unv", "application/i-deas");
				mimeTypes.Add ("uri", "text/uri-list");
				mimeTypes.Add ("uris", "text/uri-list");
				mimeTypes.Add ("ustar", "multipart/x-ustar");
				mimeTypes.Add ("uu", "text/x-uuencode");
				mimeTypes.Add ("uue", "text/x-uuencode");
				mimeTypes.Add ("vcd", "application/x-cdlink");
				mimeTypes.Add ("vcs", "text/x-vCalendar");
				mimeTypes.Add ("vda", "application/vda");
				mimeTypes.Add ("vdo", "video/vdo");
				mimeTypes.Add ("vew", "application/groupwise");
				mimeTypes.Add ("viv", "video/vivo");
				mimeTypes.Add ("vivo", "video/vivo");
				mimeTypes.Add ("vmd", "application/vocaltec-media-desc");
				mimeTypes.Add ("vmf", "application/vocaltec-media-file");
				mimeTypes.Add ("voc", "audio/voc");
				mimeTypes.Add ("vos", "video/vosaic");
				mimeTypes.Add ("vox", "audio/voxware");
				mimeTypes.Add ("vqe", "audio/x-twinvq-plugin");
				mimeTypes.Add ("vqf", "audio/x-twinvq");
				mimeTypes.Add ("vql", "audio/x-twinvq-plugin");
				mimeTypes.Add ("vrml", "application/x-vrml");
				mimeTypes.Add ("vrt", "x-world/x-vrt");
				mimeTypes.Add ("vsd", "application/x-visio");
				mimeTypes.Add ("vst", "application/x-visio");
				mimeTypes.Add ("vsw", "application/x-visio");
				mimeTypes.Add ("w60", "application/wordperfect6.0");
				mimeTypes.Add ("w61", "application/wordperfect6.1");
				mimeTypes.Add ("w6w", "application/msword");
				mimeTypes.Add ("wav", "audio/wav");
				mimeTypes.Add ("wb1", "application/x-qpro");
				mimeTypes.Add ("wbmp", "image/vnd.wap.wbmp");
				mimeTypes.Add ("web", "application/vnd.xara");
				mimeTypes.Add ("wiz", "application/msword");
				mimeTypes.Add ("wk1", "application/x-123");
				mimeTypes.Add ("wmf", "windows/metafile");
				mimeTypes.Add ("wml", "text/vnd.wap.wml");
				mimeTypes.Add ("wmlc", "application/vnd.wap.wmlc");
				mimeTypes.Add ("wmls", "text/vnd.wap.wmlscript");
				mimeTypes.Add ("wmlsc", "application/vnd.wap.wmlscriptc");
				mimeTypes.Add ("word", "application/msword");
				mimeTypes.Add ("wp", "application/wordperfect");
				mimeTypes.Add ("wp5", "application/wordperfect");
				mimeTypes.Add ("wp6", "application/wordperfect");
				mimeTypes.Add ("wpd", "application/wordperfect");
				mimeTypes.Add ("wq1", "application/x-lotus");
				mimeTypes.Add ("wri", "application/mswrite");
				mimeTypes.Add ("wrl", "application/x-world");
				mimeTypes.Add ("wrz", "model/vrml");
				mimeTypes.Add ("wsc", "text/scriplet");
				mimeTypes.Add ("wsrc", "application/x-wais-source");
				mimeTypes.Add ("wtk", "application/x-wintalk");
				mimeTypes.Add ("xbm", "image/x-xbitmap");
				mimeTypes.Add ("xdr", "video/x-amt-demorun");
				mimeTypes.Add ("xgz", "xgl/drawing");
				mimeTypes.Add ("xif", "image/vnd.xiff");
				mimeTypes.Add ("xl", "application/excel");
				mimeTypes.Add ("xla", "application/excel");
				mimeTypes.Add ("xlb", "application/excel");
				mimeTypes.Add ("xlc", "application/excel");
				mimeTypes.Add ("xld", "application/excel");
				mimeTypes.Add ("xlk", "application/excel");
				mimeTypes.Add ("xll", "application/excel");
				mimeTypes.Add ("xlm", "application/excel");
				mimeTypes.Add ("xls", "application/excel");
				mimeTypes.Add ("xlt", "application/excel");
				mimeTypes.Add ("xlv", "application/excel");
				mimeTypes.Add ("xlw", "application/excel");
				mimeTypes.Add ("xm", "audio/xm");
				mimeTypes.Add ("xml", "text/xml");
				mimeTypes.Add ("xmz", "xgl/movie");
				mimeTypes.Add ("xpix", "application/x-vnd.ls-xpix");
				mimeTypes.Add ("xpm", "image/xpm");
				mimeTypes.Add ("x-png", "image/png");
				mimeTypes.Add ("xsr", "video/x-amt-showrun");
				mimeTypes.Add ("xwd", "image/x-xwd");
				mimeTypes.Add ("xyz", "chemical/x-pdb");
				mimeTypes.Add ("z", "application/x-compressed");
				mimeTypes.Add ("zip", "application/zip");
				mimeTypes.Add ("zsh", "text/x-script.zsh");
			}

			public static string GetMimeType (string fileName) {
				string result = null;
				int dot = fileName.LastIndexOf ('.');

				if (dot != -1 && fileName.Length > dot + 1)
					result = mimeTypes [fileName.Substring (dot + 1)] as string;

				if (result == null)
					result = "application/octet-stream";

				return result;
			}
		}
	}
}