Android-File extension name MIME type String array

final String[][] MIME_MapTable = {
                //{ ，MIME }
                {".3gp", "video/3gpp"},
                {".apk", "application/vnd.android.package-archive"},
                {".asf", "video/x-ms-asf"},
                {".avi", "video/x-msvideo"},
                {".bin", "application/octet-stream"},
                {".bmp", "image/bmp"},
                {".c", "text/plain"},
                {".class", "application/octet-stream"},
                {".conf", "text/plain"},
                {".cpp", "text/plain"},
                {".doc", "application/msword"},
                {".docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document"},
                {".xls", "application/vnd.ms-excel"},
                {".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"},
                {".exe", "application/octet-stream"},
                {".gif", "image/gif"},
                {".gtar", "application/x-gtar"},
                {".gz", "application/x-gzip"},
                {".h", "text/plain"},
                {".htm", "text/html"},
                {".html", "text/html"},
                {".jar", "application/java-archive"},
                {".java", "text/plain"},
                {".jpeg", "image/jpeg"},
                {".jpg", "image/jpeg"},
                {".js", "application/x-javascript"},
                {".log", "text/plain"},
                {".m3u", "audio/x-mpegurl"},
                {".m4a", "audio/mp4a-latm"},
                {".m4b", "audio/mp4a-latm"},
                {".m4p", "audio/mp4a-latm"},
                {".m4u", "video/vnd.mpegurl"},
                {".m4v", "video/x-m4v"},
                {".mov", "video/quicktime"},
                {".mp2", "audio/x-mpeg"},
                {".mp3", "audio/x-mpeg"},
                {".mp4", "video/mp4"},
                {".mpc", "application/vnd.mpohun.certificate"},
                {".mpe", "video/mpeg"},
                {".mpeg", "video/mpeg"},
                {".mpg", "video/mpeg"},
                {".mpg4", "video/mp4"}, {".m3u8", "application/x-mpegURL"},
                {".mpga", "audio/mpeg"},
                {".msg", "application/vnd.ms-outlook"},
                {".ogg", "audio/ogg"},
                {".pdf", "application/pdf"},
                {".png", "image/png"},
                {".pps", "application/vnd.ms-powerpoint"},
                {".ppt", "application/vnd.ms-powerpoint"},
                {".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation"},
                {".prop", "text/plain"},
                {".rc", "text/plain"},
                {".rmvb", "audio/x-pn-realaudio"},
                {".rtf", "application/rtf"},
                {".sh", "text/plain"},
                {".tar", "application/x-tar"},
                {".tgz", "application/x-compressed"},
                {".txt", "text/plain"},
                {".wav", "audio/x-wav"},
                {".wma", "audio/x-ms-wma"},
                {".wmv", "audio/x-ms-wmv"},
                {".wps", "application/vnd.ms-works"},
                {".xml", "text/plain"},
                {".z", "application/x-compress"},
                {".zip", "application/x-zip-compressed"},
                {"", "*/*"}
        };