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Re: NSURLDownload step by step
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Re: NSURLDownload step by step


  • Subject: Re: NSURLDownload step by step
  • From: Lorenzo <email@hidden>
  • Date: Tue, 27 Jan 2004 09:03:41 +0100

Hi,
sorry if I ask again, I did what you said. I used NSURLConnection and at the
end of the download I save the NSData to the disk. Fine.
But, I cannot yet start a download from a given offset.

I did:
--------------------
NSURL *movieUrl = [NSURL URLWithString:movieLink];
NSURLRequest *theRequest=[NSURLRequest requestWithURL:movieUrl
cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:30.0];

And I tried to get the header fields with
--------------------
NSDictionary *dict = [theRequest allHTTPHeaderFields];

bul dict is always nil. Should I create it by myself?
How do create a new header field and set the offset?
Which name of the field does specify the offset value?
How to do? Thank you.


Best Regards
--
Lorenzo
email: email@hidden

> From: Scott Anguish <email@hidden>
> Date: Tue, 20 Jan 2004 15:13:15 -0500
> To: Lorenzo <email@hidden>
> Cc: email@hidden
> Subject: Re: NSURLDownload step by step
>
> You'd have to move to using NSURLConnection rather than NSURLDownload
> and manage all the disk caching yourself. In addition, for continued
> downloads you'd need to pass a new header field with the starting
> offset.
>
> Or, file a bug and ask that NSURLDownload support it natively. :-)
>
> On Jan 20, 2004, at 10:11 AM, Lorenzo wrote:
>
>> Hi,
>> I use to download a large file from the web using the NSURLDownload
>> APIs.
>> Anyway if the user quits during the download, I lose the whole
>> download.
>> And the next time the user launchs the same download, I have to
>> download the
>> file again from the beginning. Instead I would like to save the
>> downloaded
>> data to a file on the local disk (e.g. File_001_Temp.txt) before
>> quitting,
>> and, at the next time the user re-launchs the SAME download, I append
>> the
>> new data to that file.
>>
>> How can I do download a file step by step?
>> Any idea, sample code, would be appreciated. Thank you.
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  • Follow-Ups:
    • Re: NSURLDownload step by step
      • From: Sherm Pendley <email@hidden>
References: 
 >Re: NSURLDownload step by step (From: Scott Anguish <email@hidden>)

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