Re: getting a nsurl file size
Re: getting a nsurl file size
- Subject: Re: getting a nsurl file size
- From: Eric Smith <email@hidden>
- Date: Sun, 29 Jan 2012 08:13:19 -0800
Charles,
Works like a charm. Thank you!
Eric
On Jan 28, 2012, at 11:28 PM, Charles Srstka wrote:
> On Jan 29, 2012, at 12:21 AM, Ken Thomases wrote:
>
>> * The keys that are valid for that method are those listed in the NSURL documentation. They may bear no relation to HTTP response header fields. So, I see no reason to believe that "content-length" is a valid key. Have you tried NSURLFileSizeKey?
>>
>>
>>> If I send:
>>>
>>> value = [path propertyForKey:@"content-length"];
>>>
>>> which is deprecated, I get the correct file size.
>>
>> That may be fluke.
>
> NSURL’s now deprecated -propertyForKey: method existed long before any of those NSURL*Key constants did, so it’s difficult to imagine what could have been passed to it other than HTTP response header field names.
>
> At any rate, this should do what you want:
>
> NSMutableURLRequest *req = [NSMutableURLRequest requestWithURL:url];
>
> req.HTTPMethod = @"HEAD";
> [req setValue:@"" forHTTPHeaderField:@"Accept-Encoding"];
>
> void (^completionBlock)(NSURLResponse *resp, NSData *data, NSError *error) = ^(NSURLResponse *resp, NSData *data, NSError *error) {
> if([resp isKindOfClass:[NSHTTPURLResponse class]]) {
> NSLog(@"length is %@", [((NSHTTPURLResponse *)resp).allHeaderFields objectForKey:@"Content-Length"]);
> }
> };
>
> [NSURLConnection sendAsynchronousRequest:req queue:[NSOperationQueue mainQueue] completionHandler:completionBlock];
>
> Charles
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