public class FileContentType
{
private static IDictionary< string , string > _mappings = new Dictionary< string , string >(StringComparer.InvariantCultureIgnoreCase) {
#region Big freaking list of mime types
// combination of values from Windows 7 Registry and
// from C:\Windows\System32\inetsrv\config\applicationHost.config
// some added, including .7z and .dat
{ ".323" , "text/h323" },
{ ".3g2" , "video/3gpp2" },
{ ".3gp" , "video/3gpp" },
{ ".3gp2" , "video/3gpp2" },
{ ".3gpp" , "video/3gpp" },
{ ".7z" , "application/x-7z-compressed" },
{ ".aa" , "audio/audible" },
{ ".AAC" , "audio/aac" },
{ ".aaf" , "application/octet-stream" },
{ ".aax" , "audio/vnd.audible.aax" },
{ ".ac3" , "audio/ac3" },
{ ".aca" , "application/octet-stream" },
{ ".accda" , "application/msaccess.addin" },
{ ".accdb" , "application/msaccess" },
{ ".accdc" , "application/msaccess.cab" },
{ ".accde" , "application/msaccess" },
{ ".accdr" , "application/msaccess.runtime" },
{ ".accdt" , "application/msaccess" },
{ ".accdw" , "application/msaccess.webapplication" },
{ ".accft" , "application/msaccess.ftemplate" },
{ ".acx" , "application/internet-property-stream" },
{ ".AddIn" , "text/xml" },
{ ".ade" , "application/msaccess" },
{ ".adobebridge" , "application/x-bridge-url" },
{ ".adp" , "application/msaccess" },
{ ".ADT" , "audio/vnd.dlna.adts" },
{ ".ADTS" , "audio/aac" },
{ ".afm" , "application/octet-stream" },
{ ".ai" , "application/postscript" },
{ ".aif" , "audio/x-aiff" },
{ ".aifc" , "audio/aiff" },
{ ".aiff" , "audio/aiff" },
{ ".air" , "application/vnd.adobe.air-application-installer-package+zip" },
{ ".amc" , "application/x-mpeg" },
{ ".application" , "application/x-ms-application" },
{ ".art" , "image/x-jg" },
{ ".asa" , "application/xml" },
{ ".asax" , "application/xml" },
{ ".ascx" , "application/xml" },
{ ".asd" , "application/octet-stream" },
{ ".asf" , "video/x-ms-asf" },
{ ".ashx" , "application/xml" },
{ ".asi" , "application/octet-stream" },
{ ".asm" , "text/plain" },
{ ".asmx" , "application/xml" },
{ ".aspx" , "application/xml" },
{ ".asr" , "video/x-ms-asf" },
{ ".asx" , "video/x-ms-asf" },
{ ".atom" , "application/atom+xml" },
{ ".au" , "audio/basic" },
{ ".avi" , "video/x-msvideo" },
{ ".axs" , "application/olescript" },
{ ".bas" , "text/plain" },
{ ".bcpio" , "application/x-bcpio" },
{ ".bin" , "application/octet-stream" },
{ ".bmp" , "image/bmp" },
{ ".c" , "text/plain" },
{ ".cab" , "application/octet-stream" },
{ ".caf" , "audio/x-caf" },
{ ".calx" , "application/vnd.ms-office.calx" },
{ ".cat" , "application/vnd.ms-pki.seccat" },
{ ".cc" , "text/plain" },
{ ".cd" , "text/plain" },
{ ".cdda" , "audio/aiff" },
{ ".cdf" , "application/x-cdf" },
{ ".cer" , "application/x-x509-ca-cert" },
{ ".chm" , "application/octet-stream" },
{ ".class" , "application/x-java-applet" },
{ ".clp" , "application/x-msclip" },
{ ".cmx" , "image/x-cmx" },
{ ".cnf" , "text/plain" },
{ ".cod" , "image/cis-cod" },
{ ".config" , "application/xml" },
{ ".contact" , "text/x-ms-contact" },
{ ".coverage" , "application/xml" },
{ ".cpio" , "application/x-cpio" },
{ ".cpp" , "text/plain" },
{ ".crd" , "application/x-mscardfile" },
{ ".crl" , "application/pkix-crl" },
{ ".crt" , "application/x-x509-ca-cert" },
{ ".cs" , "text/plain" },
{ ".csdproj" , "text/plain" },
{ ".csh" , "application/x-csh" },
{ ".csproj" , "text/plain" },
{ ".css" , "text/css" },
{ ".csv" , "text/csv" },
{ ".cur" , "application/octet-stream" },
{ ".cxx" , "text/plain" },
{ ".dat" , "application/octet-stream" },
{ ".datasource" , "application/xml" },
{ ".dbproj" , "text/plain" },
{ ".dcr" , "application/x-director" },
{ ".def" , "text/plain" },
{ ".deploy" , "application/octet-stream" },
{ ".der" , "application/x-x509-ca-cert" },
{ ".dgml" , "application/xml" },
{ ".dib" , "image/bmp" },
{ ".dif" , "video/x-dv" },
{ ".dir" , "application/x-director" },
{ ".disco" , "text/xml" },
{ ".dll" , "application/x-msdownload" },
{ ".dll.config" , "text/xml" },
{ ".dlm" , "text/dlm" },
{ ".doc" , "application/msword" },
{ ".docm" , "application/vnd.ms-word.document.macroEnabled.12" },
{ ".docx" , "application/vnd.openxmlformats-officedocument.wordprocessingml.document" },
{ ".dot" , "application/msword" },
{ ".dotm" , "application/vnd.ms-word.template.macroEnabled.12" },
{ ".dotx" , "application/vnd.openxmlformats-officedocument.wordprocessingml.template" },
{ ".dsp" , "application/octet-stream" },
{ ".dsw" , "text/plain" },
{ ".dtd" , "text/xml" },
{ ".dtsConfig" , "text/xml" },
{ ".dv" , "video/x-dv" },
{ ".dvi" , "application/x-dvi" },
{ ".dwf" , "drawing/x-dwf" },
{ ".dwp" , "application/octet-stream" },
{ ".dxr" , "application/x-director" },
{ ".eml" , "message/rfc822" },
{ ".emz" , "application/octet-stream" },
{ ".eot" , "application/octet-stream" },
{ ".eps" , "application/postscript" },
{ ".etl" , "application/etl" },
{ ".etx" , "text/x-setext" },
{ ".evy" , "application/envoy" },
{ ".exe" , "application/octet-stream" },
{ ".exe.config" , "text/xml" },
{ ".fdf" , "application/vnd.fdf" },
{ ".fif" , "application/fractals" },
{ ".filters" , "Application/xml" },
{ ".fla" , "application/octet-stream" },
{ ".flr" , "x-world/x-vrml" },
{ ".flv" , "video/x-flv" },
{ ".fsscript" , "application/fsharp-script" },
{ ".fsx" , "application/fsharp-script" },
{ ".generictest" , "application/xml" },
{ ".gif" , "image/gif" },
{ ".group" , "text/x-ms-group" },
{ ".gsm" , "audio/x-gsm" },
{ ".gtar" , "application/x-gtar" },
{ ".gz" , "application/x-gzip" },
{ ".h" , "text/plain" },
{ ".hdf" , "application/x-hdf" },
{ ".hdml" , "text/x-hdml" },
{ ".hhc" , "application/x-oleobject" },
{ ".hhk" , "application/octet-stream" },
{ ".hhp" , "application/octet-stream" },
{ ".hlp" , "application/winhlp" },
{ ".hpp" , "text/plain" },
{ ".hqx" , "application/mac-binhex40" },
{ ".hta" , "application/hta" },
{ ".htc" , "text/x-component" },
{ ".htm" , "text/html" },
{ ".html" , "text/html" },
{ ".htt" , "text/webviewhtml" },
{ ".hxa" , "application/xml" },
{ ".hxc" , "application/xml" },
{ ".hxd" , "application/octet-stream" },
{ ".hxe" , "application/xml" },
{ ".hxf" , "application/xml" },
{ ".hxh" , "application/octet-stream" },
{ ".hxi" , "application/octet-stream" },
{ ".hxk" , "application/xml" },
{ ".hxq" , "application/octet-stream" },
{ ".hxr" , "application/octet-stream" },
{ ".hxs" , "application/octet-stream" },
{ ".hxt" , "text/html" },
{ ".hxv" , "application/xml" },
{ ".hxw" , "application/octet-stream" },
{ ".hxx" , "text/plain" },
{ ".i" , "text/plain" },
{ ".ico" , "image/x-icon" },
{ ".ics" , "application/octet-stream" },
{ ".idl" , "text/plain" },
{ ".ief" , "image/ief" },
{ ".iii" , "application/x-iphone" },
{ ".inc" , "text/plain" },
{ ".inf" , "application/octet-stream" },
{ ".inl" , "text/plain" },
{ ".ins" , "application/x-internet-signup" },
{ ".ipa" , "application/x-itunes-ipa" },
{ ".ipg" , "application/x-itunes-ipg" },
{ ".ipproj" , "text/plain" },
{ ".ipsw" , "application/x-itunes-ipsw" },
{ ".iqy" , "text/x-ms-iqy" },
{ ".isp" , "application/x-internet-signup" },
{ ".ite" , "application/x-itunes-ite" },
{ ".itlp" , "application/x-itunes-itlp" },
{ ".itms" , "application/x-itunes-itms" },
{ ".itpc" , "application/x-itunes-itpc" },
{ ".IVF" , "video/x-ivf" },
{ ".jar" , "application/java-archive" },
{ ".java" , "application/octet-stream" },
{ ".jck" , "application/liquidmotion" },
{ ".jcz" , "application/liquidmotion" },
{ ".jfif" , "image/pjpeg" },
{ ".jnlp" , "application/x-java-jnlp-file" },
{ ".jpb" , "application/octet-stream" },
{ ".jpe" , "image/jpeg" },
{ ".jpeg" , "image/jpeg" },
{ ".jpg" , "image/jpeg" },
{ ".js" , "application/x-javascript" },
{ ".jsx" , "text/jscript" },
{ ".jsxbin" , "text/plain" },
{ ".latex" , "application/x-latex" },
{ ".library-ms" , "application/windows-library+xml" },
{ ".lit" , "application/x-ms-reader" },
{ ".loadtest" , "application/xml" },
{ ".lpk" , "application/octet-stream" },
{ ".lsf" , "video/x-la-asf" },
{ ".lst" , "text/plain" },
{ ".lsx" , "video/x-la-asf" },
{ ".lzh" , "application/octet-stream" },
{ ".m13" , "application/x-msmediaview" },
{ ".m14" , "application/x-msmediaview" },
{ ".m1v" , "video/mpeg" },
{ ".m2t" , "video/vnd.dlna.mpeg-tts" },
{ ".m2ts" , "video/vnd.dlna.mpeg-tts" },
{ ".m2v" , "video/mpeg" },
{ ".m3u" , "audio/x-mpegurl" },
{ ".m3u8" , "audio/x-mpegurl" },
{ ".m4a" , "audio/m4a" },
{ ".m4b" , "audio/m4b" },
{ ".m4p" , "audio/m4p" },
{ ".m4r" , "audio/x-m4r" },
{ ".m4v" , "video/x-m4v" },
{ ".mac" , "image/x-macpaint" },
{ ".mak" , "text/plain" },
{ ".man" , "application/x-troff-man" },
{ ".manifest" , "application/x-ms-manifest" },
{ ".map" , "text/plain" },
{ ".master" , "application/xml" },
{ ".mda" , "application/msaccess" },
{ ".mdb" , "application/x-msaccess" },
{ ".mde" , "application/msaccess" },
{ ".mdp" , "application/octet-stream" },
{ ".me" , "application/x-troff-me" },
{ ".mfp" , "application/x-shockwave-flash" },
{ ".mht" , "message/rfc822" },
{ ".mhtml" , "message/rfc822" },
{ ".mid" , "audio/mid" },
{ ".midi" , "audio/mid" },
{ ".mix" , "application/octet-stream" },
{ ".mk" , "text/plain" },
{ ".mmf" , "application/x-smaf" },
{ ".mno" , "text/xml" },
{ ".mny" , "application/x-msmoney" },
{ ".mod" , "video/mpeg" },
{ ".mov" , "video/quicktime" },
{ ".movie" , "video/x-sgi-movie" },
{ ".mp2" , "video/mpeg" },
{ ".mp2v" , "video/mpeg" },
{ ".mp3" , "audio/mpeg" },
{ ".mp4" , "video/mp4" },
{ ".mp4v" , "video/mp4" },
{ ".mpa" , "video/mpeg" },
{ ".mpe" , "video/mpeg" },
{ ".mpeg" , "video/mpeg" },
{ ".mpf" , "application/vnd.ms-mediapackage" },
{ ".mpg" , "video/mpeg" },
{ ".mpp" , "application/vnd.ms-project" },
{ ".mpv2" , "video/mpeg" },
{ ".mqv" , "video/quicktime" },
{ ".ms" , "application/x-troff-ms" },
{ ".msi" , "application/octet-stream" },
{ ".mso" , "application/octet-stream" },
{ ".mts" , "video/vnd.dlna.mpeg-tts" },
{ ".mtx" , "application/xml" },
{ ".mvb" , "application/x-msmediaview" },
{ ".mvc" , "application/x-miva-compiled" },
{ ".mxp" , "application/x-mmxp" },
{ ".nc" , "application/x-netcdf" },
{ ".nsc" , "video/x-ms-asf" },
{ ".nws" , "message/rfc822" },
{ ".ocx" , "application/octet-stream" },
{ ".oda" , "application/oda" },
{ ".odc" , "text/x-ms-odc" },
{ ".odh" , "text/plain" },
{ ".odl" , "text/plain" },
{ ".odp" , "application/vnd.oasis.opendocument.presentation" },
{ ".ods" , "application/oleobject" },
{ ".odt" , "application/vnd.oasis.opendocument.text" },
{ ".one" , "application/onenote" },
{ ".onea" , "application/onenote" },
{ ".onepkg" , "application/onenote" },
{ ".onetmp" , "application/onenote" },
{ ".onetoc" , "application/onenote" },
{ ".onetoc2" , "application/onenote" },
{ ".orderedtest" , "application/xml" },
{ ".osdx" , "application/opensearchdescription+xml" },
{ ".p10" , "application/pkcs10" },
{ ".p12" , "application/x-pkcs12" },
{ ".p7b" , "application/x-pkcs7-certificates" },
{ ".p7c" , "application/pkcs7-mime" },
{ ".p7m" , "application/pkcs7-mime" },
{ ".p7r" , "application/x-pkcs7-certreqresp" },
{ ".p7s" , "application/pkcs7-signature" },
{ ".pbm" , "image/x-portable-bitmap" },
{ ".pcast" , "application/x-podcast" },
{ ".pct" , "image/pict" },
{ ".pcx" , "application/octet-stream" },
{ ".pcz" , "application/octet-stream" },
{ ".pdf" , "application/pdf" },
{ ".pfb" , "application/octet-stream" },
{ ".pfm" , "application/octet-stream" },
{ ".pfx" , "application/x-pkcs12" },
{ ".pgm" , "image/x-portable-graymap" },
{ ".pic" , "image/pict" },
{ ".pict" , "image/pict" },
{ ".pkgdef" , "text/plain" },
{ ".pkgundef" , "text/plain" },
{ ".pko" , "application/vnd.ms-pki.pko" },
{ ".pls" , "audio/scpls" },
{ ".pma" , "application/x-perfmon" },
{ ".pmc" , "application/x-perfmon" },
{ ".pml" , "application/x-perfmon" },
{ ".pmr" , "application/x-perfmon" },
{ ".pmw" , "application/x-perfmon" },
{ ".png" , "image/png" },
{ ".pnm" , "image/x-portable-anymap" },
{ ".pnt" , "image/x-macpaint" },
{ ".pntg" , "image/x-macpaint" },
{ ".pnz" , "image/png" },
{ ".pot" , "application/vnd.ms-powerpoint" },
{ ".potm" , "application/vnd.ms-powerpoint.template.macroEnabled.12" },
{ ".potx" , "application/vnd.openxmlformats-officedocument.presentationml.template" },
{ ".ppa" , "application/vnd.ms-powerpoint" },
{ ".ppam" , "application/vnd.ms-powerpoint.addin.macroEnabled.12" },
{ ".ppm" , "image/x-portable-pixmap" },
{ ".pps" , "application/vnd.ms-powerpoint" },
{ ".ppsm" , "application/vnd.ms-powerpoint.slideshow.macroEnabled.12" },
{ ".ppsx" , "application/vnd.openxmlformats-officedocument.presentationml.slideshow" },
{ ".ppt" , "application/vnd.ms-powerpoint" },
{ ".pptm" , "application/vnd.ms-powerpoint.presentation.macroEnabled.12" },
{ ".pptx" , "application/vnd.openxmlformats-officedocument.presentationml.presentation" },
{ ".prf" , "application/pics-rules" },
{ ".prm" , "application/octet-stream" },
{ ".prx" , "application/octet-stream" },
{ ".ps" , "application/postscript" },
{ ".psc1" , "application/PowerShell" },
{ ".psd" , "application/octet-stream" },
{ ".psess" , "application/xml" },
{ ".psm" , "application/octet-stream" },
{ ".psp" , "application/octet-stream" },
{ ".pub" , "application/x-mspublisher" },
{ ".pwz" , "application/vnd.ms-powerpoint" },
{ ".qht" , "text/x-html-insertion" },
{ ".qhtm" , "text/x-html-insertion" },
{ ".qt" , "video/quicktime" },
{ ".qti" , "image/x-quicktime" },
{ ".qtif" , "image/x-quicktime" },
{ ".qtl" , "application/x-quicktimeplayer" },
{ ".qxd" , "application/octet-stream" },
{ ".ra" , "audio/x-pn-realaudio" },
{ ".ram" , "audio/x-pn-realaudio" },
{ ".rar" , "application/octet-stream" },
{ ".ras" , "image/x-cmu-raster" },
{ ".rat" , "application/rat-file" },
{ ".rc" , "text/plain" },
{ ".rc2" , "text/plain" },
{ ".rct" , "text/plain" },
{ ".rdlc" , "application/xml" },
{ ".resx" , "application/xml" },
{ ".rf" , "image/vnd.rn-realflash" },
{ ".rgb" , "image/x-rgb" },
{ ".rgs" , "text/plain" },
{ ".rm" , "application/vnd.rn-realmedia" },
{ ".rmi" , "audio/mid" },
{ ".rmp" , "application/vnd.rn-rn_music_package" },
{ ".roff" , "application/x-troff" },
{ ".rpm" , "audio/x-pn-realaudio-plugin" },
{ ".rqy" , "text/x-ms-rqy" },
{ ".rtf" , "application/rtf" },
{ ".rtx" , "text/richtext" },
{ ".ruleset" , "application/xml" },
{ ".s" , "text/plain" },
{ ".safariextz" , "application/x-safari-safariextz" },
{ ".scd" , "application/x-msschedule" },
{ ".sct" , "text/scriptlet" },
{ ".sd2" , "audio/x-sd2" },
{ ".sdp" , "application/sdp" },
{ ".sea" , "application/octet-stream" },
{ ".searchConnector-ms" , "application/windows-search-connector+xml" },
{ ".setpay" , "application/set-payment-initiation" },
{ ".setreg" , "application/set-registration-initiation" },
{ ".settings" , "application/xml" },
{ ".sgimb" , "application/x-sgimb" },
{ ".sgml" , "text/sgml" },
{ ".sh" , "application/x-sh" },
{ ".shar" , "application/x-shar" },
{ ".shtml" , "text/html" },
{ ".sit" , "application/x-stuffit" },
{ ".sitemap" , "application/xml" },
{ ".skin" , "application/xml" },
{ ".sldm" , "application/vnd.ms-powerpoint.slide.macroEnabled.12" },
{ ".sldx" , "application/vnd.openxmlformats-officedocument.presentationml.slide" },
{ ".slk" , "application/vnd.ms-excel" },
{ ".sln" , "text/plain" },
{ ".slupkg-ms" , "application/x-ms-license" },
{ ".smd" , "audio/x-smd" },
{ ".smi" , "application/octet-stream" },
{ ".smx" , "audio/x-smd" },
{ ".smz" , "audio/x-smd" },
{ ".snd" , "audio/basic" },
{ ".snippet" , "application/xml" },
{ ".snp" , "application/octet-stream" },
{ ".sol" , "text/plain" },
{ ".sor" , "text/plain" },
{ ".spc" , "application/x-pkcs7-certificates" },
{ ".spl" , "application/futuresplash" },
{ ".src" , "application/x-wais-source" },
{ ".srf" , "text/plain" },
{ ".SSISDeploymentManifest" , "text/xml" },
{ ".ssm" , "application/streamingmedia" },
{ ".sst" , "application/vnd.ms-pki.certstore" },
{ ".stl" , "application/vnd.ms-pki.stl" },
{ ".sv4cpio" , "application/x-sv4cpio" },
{ ".sv4crc" , "application/x-sv4crc" },
{ ".svc" , "application/xml" },
{ ".swf" , "application/x-shockwave-flash" },
{ ".t" , "application/x-troff" },
{ ".tar" , "application/x-tar" },
{ ".tcl" , "application/x-tcl" },
{ ".testrunconfig" , "application/xml" },
{ ".testsettings" , "application/xml" },
{ ".tex" , "application/x-tex" },
{ ".texi" , "application/x-texinfo" },
{ ".texinfo" , "application/x-texinfo" },
{ ".tgz" , "application/x-compressed" },
{ ".thmx" , "application/vnd.ms-officetheme" },
{ ".thn" , "application/octet-stream" },
{ ".tif" , "image/tiff" },
{ ".tiff" , "image/tiff" },
{ ".tlh" , "text/plain" },
{ ".tli" , "text/plain" },
{ ".toc" , "application/octet-stream" },
{ ".tr" , "application/x-troff" },
{ ".trm" , "application/x-msterminal" },
{ ".trx" , "application/xml" },
{ ".ts" , "video/vnd.dlna.mpeg-tts" },
{ ".tsv" , "text/tab-separated-values" },
{ ".ttf" , "application/octet-stream" },
{ ".tts" , "video/vnd.dlna.mpeg-tts" },
{ ".txt" , "text/plain" },
{ ".u32" , "application/octet-stream" },
{ ".uls" , "text/iuls" },
{ ".user" , "text/plain" },
{ ".ustar" , "application/x-ustar" },
{ ".vb" , "text/plain" },
{ ".vbdproj" , "text/plain" },
{ ".vbk" , "video/mpeg" },
{ ".vbproj" , "text/plain" },
{ ".vbs" , "text/vbscript" },
{ ".vcf" , "text/x-vcard" },
{ ".vcproj" , "Application/xml" },
{ ".vcs" , "text/plain" },
{ ".vcxproj" , "Application/xml" },
{ ".vddproj" , "text/plain" },
{ ".vdp" , "text/plain" },
{ ".vdproj" , "text/plain" },
{ ".vdx" , "application/vnd.ms-visio.viewer" },
{ ".vml" , "text/xml" },
{ ".vscontent" , "application/xml" },
{ ".vsct" , "text/xml" },
{ ".vsd" , "application/vnd.visio" },
{ ".vsi" , "application/ms-vsi" },
{ ".vsix" , "application/vsix" },
{ ".vsixlangpack" , "text/xml" },
{ ".vsixmanifest" , "text/xml" },
{ ".vsmdi" , "application/xml" },
{ ".vspscc" , "text/plain" },
{ ".vss" , "application/vnd.visio" },
{ ".vsscc" , "text/plain" },
{ ".vssettings" , "text/xml" },
{ ".vssscc" , "text/plain" },
{ ".vst" , "application/vnd.visio" },
{ ".vstemplate" , "text/xml" },
{ ".vsto" , "application/x-ms-vsto" },
{ ".vsw" , "application/vnd.visio" },
{ ".vsx" , "application/vnd.visio" },
{ ".vtx" , "application/vnd.visio" },
{ ".wav" , "audio/wav" },
{ ".wave" , "audio/wav" },
{ ".wax" , "audio/x-ms-wax" },
{ ".wbk" , "application/msword" },
{ ".wbmp" , "image/vnd.wap.wbmp" },
{ ".wcm" , "application/vnd.ms-works" },
{ ".wdb" , "application/vnd.ms-works" },
{ ".wdp" , "image/vnd.ms-photo" },
{ ".webarchive" , "application/x-safari-webarchive" },
{ ".webtest" , "application/xml" },
{ ".wiq" , "application/xml" },
{ ".wiz" , "application/msword" },
{ ".wks" , "application/vnd.ms-works" },
{ ".WLMP" , "application/wlmoviemaker" },
{ ".wlpginstall" , "application/x-wlpg-detect" },
{ ".wlpginstall3" , "application/x-wlpg3-detect" },
{ ".wm" , "video/x-ms-wm" },
{ ".wma" , "audio/x-ms-wma" },
{ ".wmd" , "application/x-ms-wmd" },
{ ".wmf" , "application/x-msmetafile" },
{ ".wml" , "text/vnd.wap.wml" },
{ ".wmlc" , "application/vnd.wap.wmlc" },
{ ".wmls" , "text/vnd.wap.wmlscript" },
{ ".wmlsc" , "application/vnd.wap.wmlscriptc" },
{ ".wmp" , "video/x-ms-wmp" },
{ ".wmv" , "video/x-ms-wmv" },
{ ".wmx" , "video/x-ms-wmx" },
{ ".wmz" , "application/x-ms-wmz" },
{ ".wpl" , "application/vnd.ms-wpl" },
{ ".wps" , "application/vnd.ms-works" },
{ ".wri" , "application/x-mswrite" },
{ ".wrl" , "x-world/x-vrml" },
{ ".wrz" , "x-world/x-vrml" },
{ ".wsc" , "text/scriptlet" },
{ ".wsdl" , "text/xml" },
{ ".wvx" , "video/x-ms-wvx" },
{ ".x" , "application/directx" },
{ ".xaf" , "x-world/x-vrml" },
{ ".xaml" , "application/xaml+xml" },
{ ".xap" , "application/x-silverlight-app" },
{ ".xbap" , "application/x-ms-xbap" },
{ ".xbm" , "image/x-xbitmap" },
{ ".xdr" , "text/plain" },
{ ".xht" , "application/xhtml+xml" },
{ ".xhtml" , "application/xhtml+xml" },
{ ".xla" , "application/vnd.ms-excel" },
{ ".xlam" , "application/vnd.ms-excel.addin.macroEnabled.12" },
{ ".xlc" , "application/vnd.ms-excel" },
{ ".xld" , "application/vnd.ms-excel" },
{ ".xlk" , "application/vnd.ms-excel" },
{ ".xll" , "application/vnd.ms-excel" },
{ ".xlm" , "application/vnd.ms-excel" },
{ ".xls" , "application/vnd.ms-excel" },
{ ".xlsb" , "application/vnd.ms-excel.sheet.binary.macroEnabled.12" },
{ ".xlsm" , "application/vnd.ms-excel.sheet.macroEnabled.12" },
{ ".xlsx" , "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" },
{ ".xlt" , "application/vnd.ms-excel" },
{ ".xltm" , "application/vnd.ms-excel.template.macroEnabled.12" },
{ ".xltx" , "application/vnd.openxmlformats-officedocument.spreadsheetml.template" },
{ ".xlw" , "application/vnd.ms-excel" },
{ ".xml" , "text/xml" },
{ ".xmta" , "application/xml" },
{ ".xof" , "x-world/x-vrml" },
{ ".XOML" , "text/plain" },
{ ".xpm" , "image/x-xpixmap" },
{ ".xps" , "application/vnd.ms-xpsdocument" },
{ ".xrm-ms" , "text/xml" },
{ ".xsc" , "application/xml" },
{ ".xsd" , "text/xml" },
{ ".xsf" , "text/xml" },
{ ".xsl" , "text/xml" },
{ ".xslt" , "text/xml" },
{ ".xsn" , "application/octet-stream" },
{ ".xss" , "application/xml" },
{ ".xtp" , "application/octet-stream" },
{ ".xwd" , "image/x-xwindowdump" },
{ ".z" , "application/x-compress" },
{ ".zip" , "application/x-zip-compressed" },
#endregion
};
public static string GetMimeType( string extension)
{
if (extension == null )
{
throw new ArgumentNullException( "extension" );
}
if (!extension.StartsWith( "." ))
{
extension = "." + extension;
}
string mime;
return _mappings.TryGetValue(extension, out mime) ? mime : "application/octet-stream" ;
}
}