MimeMapping.cs source code in C# .NET

                        
Code:
                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / MimeMapping.cs / 3 / MimeMapping.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/*++ 
        MimeMapping : This module maps document extensions to Content Mime Type. 
        Copyright (c) 1999 Microsoft Corporation
--*/ 

using System.Collections;
using System.Globalization;
 
namespace System.Web {
    internal class MimeMapping { 
        static private Hashtable _extensionToMimeMappingTable = new Hashtable(190, StringComparer.CurrentCultureIgnoreCase); 

        private MimeMapping() { 
        }

        static private void AddMimeMapping(String extension, String MimeType) {
            _extensionToMimeMappingTable.Add(extension, MimeType); 
        }
 
        // *********************************************************************** 

        internal /*public*/ static String GetMimeMapping(String FileName) { 
            String  contentType = null;

            int     extpos = FileName.LastIndexOf('.');
 
            if ( (0 < extpos) && (extpos > FileName.LastIndexOf('\\')) ) {
                // 
                // There is a file extension 
                //
 
                //String  ext = (FileName.Substring(extpos)).ToLower(CultureInfo.InvariantCulture);
                contentType = (String)_extensionToMimeMappingTable[FileName.Substring(extpos)];
            }
 
            if ( null == contentType)
                contentType = (String)_extensionToMimeMappingTable[".*"]; 
 
            return contentType;
        } 

        // ***********************************************************************

        static MimeMapping() { 
            //
            // Populate the mime table. This list is the one used by IIS. 
            // 

            AddMimeMapping(".323",      "text/h323"); 

            AddMimeMapping(".asx",      "video/x-ms-asf");
            AddMimeMapping(".acx",      "application/internet-property-stream");
            AddMimeMapping(".ai",       "application/postscript"); 
            AddMimeMapping(".aif",      "audio/x-aiff");
            AddMimeMapping(".aiff",     "audio/aiff"); 
            AddMimeMapping(".axs",      "application/olescript"); 
            AddMimeMapping(".aifc",     "audio/aiff");
            AddMimeMapping(".asr",      "video/x-ms-asf"); 
            AddMimeMapping(".avi",      "video/x-msvideo");
            AddMimeMapping(".asf",      "video/x-ms-asf");
            AddMimeMapping(".au",       "audio/basic");
            AddMimeMapping(".application", "application/x-ms-application"); 

            AddMimeMapping(".bin",      "application/octet-stream"); 
            AddMimeMapping(".bas",      "text/plain"); 
            AddMimeMapping(".bcpio",    "application/x-bcpio");
            AddMimeMapping(".bmp",      "image/bmp"); 

            AddMimeMapping(".cdf",      "application/x-cdf");
            AddMimeMapping(".cat",      "application/vndms-pkiseccat");
            AddMimeMapping(".crt",      "application/x-x509-ca-cert"); 
            AddMimeMapping(".c",        "text/plain");
            AddMimeMapping(".css",      "text/css"); 
            AddMimeMapping(".cer",      "application/x-x509-ca-cert"); 
            AddMimeMapping(".crl",      "application/pkix-crl");
            AddMimeMapping(".cmx",      "image/x-cmx"); 
            AddMimeMapping(".csh",      "application/x-csh");
            AddMimeMapping(".cod",      "image/cis-cod");
            AddMimeMapping(".cpio",     "application/x-cpio");
            AddMimeMapping(".clp",      "application/x-msclip"); 
            AddMimeMapping(".crd",      "application/x-mscardfile");
 
            AddMimeMapping(".deploy",   "application/octet-stream"); 
            AddMimeMapping(".dll",      "application/x-msdownload");
            AddMimeMapping(".dot",      "application/msword"); 
            AddMimeMapping(".doc",      "application/msword");
            AddMimeMapping(".dvi",      "application/x-dvi");
            AddMimeMapping(".dir",      "application/x-director");
            AddMimeMapping(".dxr",      "application/x-director"); 
            AddMimeMapping(".der",      "application/x-x509-ca-cert");
            AddMimeMapping(".dib",      "image/bmp"); 
            AddMimeMapping(".dcr",      "application/x-director"); 
            AddMimeMapping(".disco",     "text/xml");
 
            AddMimeMapping(".exe",      "application/octet-stream");
            AddMimeMapping(".etx",      "text/x-setext");
            AddMimeMapping(".evy",      "application/envoy");
            AddMimeMapping(".eml",      "message/rfc822"); 
            AddMimeMapping(".eps",      "application/postscript");
 
            AddMimeMapping(".flr",      "x-world/x-vrml"); 
            AddMimeMapping(".fif",      "application/fractals");
 
            AddMimeMapping(".gtar",     "application/x-gtar");
            AddMimeMapping(".gif",      "image/gif");
            AddMimeMapping(".gz" ,      "application/x-gzip");
 
            AddMimeMapping(".hta",      "application/hta");
            AddMimeMapping(".htc",      "text/x-component"); 
            AddMimeMapping(".htt",      "text/webviewhtml"); 
            AddMimeMapping(".h"  ,      "text/plain");
            AddMimeMapping(".hdf",      "application/x-hdf"); 
            AddMimeMapping(".hlp",      "application/winhlp");
            AddMimeMapping(".html",     "text/html");
            AddMimeMapping(".htm",      "text/html");
            AddMimeMapping(".hqx",      "application/mac-binhex40"); 

            AddMimeMapping(".isp",      "application/x-internet-signup"); 
            AddMimeMapping(".iii",      "application/x-iphone"); 
            AddMimeMapping(".ief",      "image/ief");
            AddMimeMapping(".ivf",      "video/x-ivf"); 
            AddMimeMapping(".ins",      "application/x-internet-signup");
            AddMimeMapping(".ico",      "image/x-icon");

            AddMimeMapping(".jpg",      "image/jpeg"); 
            AddMimeMapping(".jfif",     "image/pjpeg");
            AddMimeMapping(".jpe",      "image/jpeg"); 
            AddMimeMapping(".jpeg",     "image/jpeg"); 
            AddMimeMapping(".js",       "application/x-javascript");
 
            AddMimeMapping(".lsx",      "video/x-la-asf");
            AddMimeMapping(".latex",    "application/x-latex");
            AddMimeMapping(".lsf",      "video/x-la-asf");
 
            AddMimeMapping(".manifest", "application/x-ms-manifest");
            AddMimeMapping(".mhtml",    "message/rfc822"); 
            AddMimeMapping(".mny",      "application/x-msmoney"); 
            AddMimeMapping(".mht",      "message/rfc822");
            AddMimeMapping(".mid",      "audio/mid"); 
            AddMimeMapping(".mpv2",     "video/mpeg");
            AddMimeMapping(".man",      "application/x-troff-man");
            AddMimeMapping(".mvb",      "application/x-msmediaview");
            AddMimeMapping(".mpeg",     "video/mpeg"); 
            AddMimeMapping(".m3u",      "audio/x-mpegurl");
            AddMimeMapping(".mdb",      "application/x-msaccess"); 
            AddMimeMapping(".mpp",      "application/vnd.ms-project"); 
            AddMimeMapping(".m1v",      "video/mpeg");
            AddMimeMapping(".mpa",      "video/mpeg"); 
            AddMimeMapping(".me",       "application/x-troff-me");
            AddMimeMapping(".m13",      "application/x-msmediaview");
            AddMimeMapping(".movie",    "video/x-sgi-movie");
            AddMimeMapping(".m14",      "application/x-msmediaview"); 
            AddMimeMapping(".mpe",      "video/mpeg");
            AddMimeMapping(".mp2",      "video/mpeg"); 
            AddMimeMapping(".mov",      "video/quicktime"); 
            AddMimeMapping(".mp3",      "audio/mpeg");
            AddMimeMapping(".mpg",      "video/mpeg"); 
            AddMimeMapping(".ms",       "application/x-troff-ms");

            AddMimeMapping(".nc",       "application/x-netcdf");
            AddMimeMapping(".nws",      "message/rfc822"); 

            AddMimeMapping(".oda",      "application/oda"); 
            AddMimeMapping(".ods",      "application/oleobject"); 

            AddMimeMapping(".pmc",      "application/x-perfmon"); 
            AddMimeMapping(".p7r",      "application/x-pkcs7-certreqresp");
            AddMimeMapping(".p7b",      "application/x-pkcs7-certificates");
            AddMimeMapping(".p7s",      "application/pkcs7-signature");
            AddMimeMapping(".pmw",      "application/x-perfmon"); 
            AddMimeMapping(".ps",       "application/postscript");
            AddMimeMapping(".p7c",      "application/pkcs7-mime"); 
            AddMimeMapping(".pbm",      "image/x-portable-bitmap"); 
            AddMimeMapping(".ppm",      "image/x-portable-pixmap");
            AddMimeMapping(".pub",      "application/x-mspublisher"); 
            AddMimeMapping(".pnm",      "image/x-portable-anymap");
            AddMimeMapping(".pml",      "application/x-perfmon");
            AddMimeMapping(".p10",      "application/pkcs10");
            AddMimeMapping(".pfx",      "application/x-pkcs12"); 
            AddMimeMapping(".p12",      "application/x-pkcs12");
            AddMimeMapping(".pdf",      "application/pdf"); 
            AddMimeMapping(".pps",      "application/vnd.ms-powerpoint"); 
            AddMimeMapping(".p7m",      "application/pkcs7-mime");
            AddMimeMapping(".pko",      "application/vndms-pkipko"); 
            AddMimeMapping(".ppt",      "application/vnd.ms-powerpoint");
            AddMimeMapping(".pmr",      "application/x-perfmon");
            AddMimeMapping(".pma",      "application/x-perfmon");
            AddMimeMapping(".pot",      "application/vnd.ms-powerpoint"); 
            AddMimeMapping(".prf",      "application/pics-rules");
            AddMimeMapping(".pgm",      "image/x-portable-graymap"); 
 
            AddMimeMapping(".qt" ,      "video/quicktime");
 
            AddMimeMapping(".ra" ,      "audio/x-pn-realaudio");
            AddMimeMapping(".rgb",      "image/x-rgb");
            AddMimeMapping(".ram",      "audio/x-pn-realaudio");
            AddMimeMapping(".rmi",      "audio/mid"); 
            AddMimeMapping(".ras",      "image/x-cmu-raster");
            AddMimeMapping(".roff",     "application/x-troff"); 
            AddMimeMapping(".rtf",      "application/rtf"); 
            AddMimeMapping(".rtx",      "text/richtext");
 
            AddMimeMapping(".sv4crc",   "application/x-sv4crc");
            AddMimeMapping(".spc",      "application/x-pkcs7-certificates");
            AddMimeMapping(".setreg",   "application/set-registration-initiation");
            AddMimeMapping(".snd",      "audio/basic"); 
            AddMimeMapping(".stl",      "application/vndms-pkistl");
            AddMimeMapping(".setpay",   "application/set-payment-initiation"); 
            AddMimeMapping(".stm",      "text/html"); 
            AddMimeMapping(".shar",     "application/x-shar");
            AddMimeMapping(".sh",       "application/x-sh"); 
            AddMimeMapping(".sit",      "application/x-stuffit");
            AddMimeMapping(".spl",      "application/futuresplash");
            AddMimeMapping(".sct",      "text/scriptlet");
            AddMimeMapping(".scd",      "application/x-msschedule"); 
            AddMimeMapping(".sst",      "application/vndms-pkicertstore");
            AddMimeMapping(".src",      "application/x-wais-source"); 
            AddMimeMapping(".sv4cpio",  "application/x-sv4cpio"); 

            AddMimeMapping(".tex",      "application/x-tex"); 
            AddMimeMapping(".tgz",      "application/x-compressed");
            AddMimeMapping(".t",        "application/x-troff");
            AddMimeMapping(".tar",      "application/x-tar");
            AddMimeMapping(".tr",       "application/x-troff"); 
            AddMimeMapping(".tif",      "image/tiff");
            AddMimeMapping(".txt",      "text/plain"); 
            AddMimeMapping(".texinfo",  "application/x-texinfo"); 
            AddMimeMapping(".trm",      "application/x-msterminal");
            AddMimeMapping(".tiff",     "image/tiff"); 
            AddMimeMapping(".tcl",      "application/x-tcl");
            AddMimeMapping(".texi",     "application/x-texinfo");
            AddMimeMapping(".tsv",      "text/tab-separated-values");
 
            AddMimeMapping(".ustar",    "application/x-ustar");
            AddMimeMapping(".uls",      "text/iuls"); 
 
            AddMimeMapping(".vcf",      "text/x-vcard");
 
            AddMimeMapping(".wps",      "application/vnd.ms-works");
            AddMimeMapping(".wav",      "audio/wav");
            AddMimeMapping(".wrz",      "x-world/x-vrml");
            AddMimeMapping(".wri",      "application/x-mswrite"); 
            AddMimeMapping(".wks",      "application/vnd.ms-works");
            AddMimeMapping(".wmf",      "application/x-msmetafile"); 
            AddMimeMapping(".wcm",      "application/vnd.ms-works"); 
            AddMimeMapping(".wrl",      "x-world/x-vrml");
            AddMimeMapping(".wdb",      "application/vnd.ms-works"); 
            AddMimeMapping(".wsdl",     "text/xml");


            AddMimeMapping(".xml",      "text/xml"); 
            AddMimeMapping(".xlm",      "application/vnd.ms-excel");
            AddMimeMapping(".xaf",      "x-world/x-vrml"); 
            AddMimeMapping(".xla",      "application/vnd.ms-excel"); 
            AddMimeMapping(".xls",      "application/vnd.ms-excel");
            AddMimeMapping(".xof",      "x-world/x-vrml"); 
            AddMimeMapping(".xlt",      "application/vnd.ms-excel");
            AddMimeMapping(".xlc",      "application/vnd.ms-excel");
            AddMimeMapping(".xsl",      "text/xml");
            AddMimeMapping(".xbm",      "image/x-xbitmap"); 
            AddMimeMapping(".xlw",      "application/vnd.ms-excel");
            AddMimeMapping(".xpm",      "image/x-xpixmap"); 
            AddMimeMapping(".xwd",      "image/x-xwindowdump"); 
            AddMimeMapping(".xsd",      "text/xml");
 
            AddMimeMapping(".z",        "application/x-compress");
            AddMimeMapping(".zip",      "application/x-zip-compressed");

            AddMimeMapping(".*",        "application/octet-stream"); 
        }
    }; 
 
}


                        

                        

                        
                        

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