vStationURM/Tools/Vinno.vCloud.Disk/ViewEngine/MineTypeJsonHelper.cs

using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Text;

namespace Vinno.vCloud.Disk
{
    public static class MineTypeJsonHelper
    {
        static MineTypeJsonHelper()
        {
            SetJsonRoot();
        }

        static JToken _jsonRoot;
        static void SetJsonRoot()
        {
            string str = @"{
              ""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"",
              ""woff"": ""font/x-font-woff""
            }";
            _jsonRoot = JToken.Parse(str);
        }
        public static JToken GetJsonRoot()
        {
            if (_jsonRoot == null)
            {
                SetJsonRoot();
            }
            return _jsonRoot;
        }
    }
}