82 lines
2.6 KiB
Swift
82 lines
2.6 KiB
Swift
//////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// HTTPUpload.swift
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//
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// Created by Dalton Cherry on 6/5/14.
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// Copyright (c) 2014 Vluxe. All rights reserved.
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//
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//////////////////////////////////////////////////////////////////////////////////////////////////
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import Foundation
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#if os(iOS)
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import MobileCoreServices
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#endif
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/// Object representation of a HTTP File Upload.
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public class HTTPUpload: NSObject {
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var fileUrl: NSURL? {
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didSet {
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updateMimeType()
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loadData()
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}
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}
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var mimeType: String?
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var data: NSData?
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var fileName: String?
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/// Tries to determine the mime type from the fileUrl extension.
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func updateMimeType() {
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if mimeType == nil && fileUrl != nil {
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var UTI = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, fileUrl?.pathExtension as NSString?, nil);
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var str = UTTypeCopyPreferredTagWithClass(UTI.takeUnretainedValue(), kUTTagClassMIMEType);
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if (str == nil) {
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mimeType = "application/octet-stream";
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} else {
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mimeType = str.takeUnretainedValue() as String
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}
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}
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}
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/// loads the fileUrl into memory.
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func loadData() {
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if let url = fileUrl {
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self.fileName = url.lastPathComponent
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self.data = NSData(contentsOfURL: url, options: NSDataReadingOptions.DataReadingMappedIfSafe, error: nil)
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}
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}
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/// Initializes a new HTTPUpload Object.
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public override init() {
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super.init()
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}
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/**
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Initializes a new HTTPUpload Object with a fileUrl. The fileName and mimeType will be infered.
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:param: fileUrl The fileUrl is a standard url path to a file.
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*/
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public convenience init(fileUrl: NSURL) {
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self.init()
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self.fileUrl = fileUrl
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updateMimeType()
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loadData()
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}
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/**
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Initializes a new HTTPUpload Object with a data blob of a file. The fileName and mimeType will be infered if none are provided.
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:param: data The data is a NSData representation of a file's data.
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:param: fileName The fileName is just that. The file's name.
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:param: mimeType The mimeType is just that. The mime type you would like the file to uploaded as.
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*/
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///upload a file from a a data blob. Must add a filename and mimeType as that can't be infered from the data
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public convenience init(data: NSData, fileName: String, mimeType: String) {
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self.init()
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self.data = data
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self.fileName = fileName
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self.mimeType = mimeType
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}
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}
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