Implement NSHTTPURLResponse.localizedStringForStatusCode()

Author: ianpartridge

Foundation/NSURLResponse.swift

@@ -190,7 +190,75 @@ public class NSHTTPURLResponse : NSURLResponse {
         @param the status code to use to produce a localized string.
         @result A localized string corresponding to the given status code.
     */
-    public class func localizedString(forStatusCode statusCode: Int) -> String { NSUnimplemented() }
+    public class func localizedString(forStatusCode statusCode: Int) -> String {
+        switch statusCode {
+        case 100: return "Continue"
+        case 101: return "Switching Protocols"
+        case 102: return "Processing"
+        case 100...199: return "Informational"
+        case 200: return "OK"
+        case 201: return "Created"
+        case 202: return "Accepted"
+        case 203: return "Non-Authoritative Information"
+        case 204: return "No Content"
+        case 205: return "Reset Content"
+        case 206: return "Partial Content"
+        case 207: return "Multi-Status"
+        case 208: return "Already Reported"
+        case 226: return "IM Used"
+        case 200...299: return "Success"
+        case 300: return "Multiple Choices"
+        case 301: return "Moved Permanently"
+        case 302: return "Found"
+        case 303: return "See Other"
+        case 304: return "Not Modified"
+        case 305: return "Use Proxy"
+        case 307: return "Temporary Redirect"
+        case 308: return "Permanent Redirect"
+        case 300...399: return "Redirection"
+        case 400: return "Bad Request"
+        case 401: return "Unauthorized"
+        case 402: return "Payment Required"
+        case 403: return "Forbidden"
+        case 404: return "Not Found"
+        case 405: return "Method Not Allowed"
+        case 406: return "Not Acceptable"
+        case 407: return "Proxy Authentication Required"
+        case 408: return "Request Timeout"
+        case 409: return "Conflict"
+        case 410: return "Gone"
+        case 411: return "Length Required"
+        case 412: return "Precondition Failed"
+        case 413: return "Payload Too Large"
+        case 414: return "URI Too Long"
+        case 415: return "Unsupported Media Type"
+        case 416: return "Range Not Satisfiable"
+        case 417: return "Expectation Failed"
+        case 421: return "Misdirected Request"
+        case 422: return "Unprocessable Entity"
+        case 423: return "Locked"
+        case 424: return "Failed Dependency"
+        case 426: return "Upgrade Required"
+        case 428: return "Precondition Required"
+        case 429: return "Too Many Requests"
+        case 431: return "Request Header Fields Too Large"
+        case 451: return "Unavailable For Legal Reasons"
+        case 400...499: return "Client Error"
+        case 500: return "Internal Server Error"
+        case 501: return "Not Implemented"
+        case 502: return "Bad Gateway"
+        case 503: return "Service Unavailable"
+        case 504: return "Gateway Timeout"
+        case 505: return "HTTP Version Not Supported"
+        case 506: return "Variant Also Negotiates"
+        case 507: return "Insufficient Storage"
+        case 508: return "Loop Detected"
+        case 510: return "Not Extended"
+        case 511: return "Network Authentication Required"
+        case 500...599: return "Server Error"
+        default: return "Server Error"
+        }
+    }
 }
 /// Parses the expected content length from the headers.
 ///