Получить тип Mime от NSURL

Я разрабатываю приложение, используя UIDocumentPickerViewController, чтобы выбрать файл для отправки на сервер.Получить тип Mime от NSURL

Я должен извлечь Mime Type этого файла, чтобы правильно отправить этот файл с Amalofire:

Alamofire.upload(.POST, url, headers: headers, multipartFormData: { multipartFormData in 
    if let url = attachment as? NSURL, let data = NSData(contentsOfURL: url) { 
     multipartFormData.appendBodyPart(data: data, name :"File\(i)", fileName: "file\(i).\(url.pathExtension)", mimeType: "???") 
    } 
}

Есть ли способ иметь возможность получить тип пантомимы от расширения или NSURL?

источник

2016-12-19 Florian Mac Langlade

Заканчивать http://stackoverflow.com/questions/21789770/determine-mime-type-from-nsdata - может help –

Не обрабатывает все типы файлов ... –

yes - вам нужно добавить остальные, у вас есть информация в лучшем ответе, если вы не найдете ничего уже закодированного, вам нужно будет сделать это самостоятельно , Это не должно быть очень сложной задачей. –

Я обнаружил, что и хорошо работает:

internal let DEFAULT_MIME_TYPE = "application/octet-stream" 

internal let mimeTypes = [ 
"html": "text/html", 
"htm": "text/html", 
"shtml": "text/html", 
"css": "text/css", 
"xml": "text/xml", 
"gif": "image/gif", 
"jpeg": "image/jpeg", 
"jpg": "image/jpeg", 
"js": "application/javascript", 
"atom": "application/atom+xml", 
"rss": "application/rss+xml", 
"mml": "text/mathml", 
"txt": "text/plain", 
"jad": "text/vnd.sun.j2me.app-descriptor", 
"wml": "text/vnd.wap.wml", 
"htc": "text/x-component", 
"png": "image/png", 
"tif": "image/tiff", 
"tiff": "image/tiff", 
"wbmp": "image/vnd.wap.wbmp", 
"ico": "image/x-icon", 
"jng": "image/x-jng", 
"bmp": "image/x-ms-bmp", 
"svg": "image/svg+xml", 
"svgz": "image/svg+xml", 
"webp": "image/webp", 
"woff": "application/font-woff", 
"jar": "application/java-archive", 
"war": "application/java-archive", 
"ear": "application/java-archive", 
"json": "application/json", 
"hqx": "application/mac-binhex40", 
"doc": "application/msword", 
"pdf": "application/pdf", 
"ps": "application/postscript", 
"eps": "application/postscript", 
"ai": "application/postscript", 
"rtf": "application/rtf", 
"m3u8": "application/vnd.apple.mpegurl", 
"xls": "application/vnd.ms-excel", 
"eot": "application/vnd.ms-fontobject", 
"ppt": "application/vnd.ms-powerpoint", 
"wmlc": "application/vnd.wap.wmlc", 
"kml": "application/vnd.google-earth.kml+xml", 
"kmz": "application/vnd.google-earth.kmz", 
"7z": "application/x-7z-compressed", 
"cco": "application/x-cocoa", 
"jardiff": "application/x-java-archive-diff", 
"jnlp": "application/x-java-jnlp-file", 
"run": "application/x-makeself", 
"pl": "application/x-perl", 
"pm": "application/x-perl", 
"prc": "application/x-pilot", 
"pdb": "application/x-pilot", 
"rar": "application/x-rar-compressed", 
"rpm": "application/x-redhat-package-manager", 
"sea": "application/x-sea", 
"swf": "application/x-shockwave-flash", 
"sit": "application/x-stuffit", 
"tcl": "application/x-tcl", 
"tk": "application/x-tcl", 
"der": "application/x-x509-ca-cert", 
"pem": "application/x-x509-ca-cert", 
"crt": "application/x-x509-ca-cert", 
"xpi": "application/x-xpinstall", 
"xhtml": "application/xhtml+xml", 
"xspf": "application/xspf+xml", 
"zip": "application/zip", 
"bin": "application/octet-stream", 
"exe": "application/octet-stream", 
"dll": "application/octet-stream", 
"deb": "application/octet-stream", 
"dmg": "application/octet-stream", 
"iso": "application/octet-stream", 
"img": "application/octet-stream", 
"msi": "application/octet-stream", 
"msp": "application/octet-stream", 
"msm": "application/octet-stream", 
"docx": "application/vnd.openxmlformats-officedocument.wordprocessingml.document", 
"xlsx": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", 
"pptx": "application/vnd.openxmlformats-officedocument.presentationml.presentation", 
"mid": "audio/midi", 
"midi": "audio/midi", 
"kar": "audio/midi", 
"mp3": "audio/mpeg", 
"ogg": "audio/ogg", 
"m4a": "audio/x-m4a", 
"ra": "audio/x-realaudio", 
"3gpp": "video/3gpp", 
"3gp": "video/3gpp", 
"ts": "video/mp2t", 
"mp4": "video/mp4", 
"mpeg": "video/mpeg", 
"mpg": "video/mpeg", 
"mov": "video/quicktime", 
"webm": "video/webm", 
"flv": "video/x-flv", 
"m4v": "video/x-m4v", 
"mng": "video/x-mng", 
"asx": "video/x-ms-asf", 
"asf": "video/x-ms-asf", 
"wmv": "video/x-ms-wmv", 
"avi": "video/x-msvideo" 
] 

internal func MimeType(ext: String?) -> String { 
if ext != nil && mimeTypes.contains({ $0.0 == ext!.lowercaseString }) { 
     return mimeTypes[ext!.lowercaseString]! 
    } 
    return DEFAULT_MIME_TYPE 
} 

extension NSURL { 
    public func mimeType() -> String { 
     return MimeType(self.pathExtension) 
    } 
} 


extension NSString { 
    public func mimeType() -> String { 
     return MimeType(self.pathExtension) 
    } 
} 

extension String { 
    public func mimeType() -> String { 
     return (self as NSString).mimeType() 
    } 
}

От here

источник

2016-12-19 10:10:03

Получить тип Mime от NSURL

ответ

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