CODEWITHSUNDEEP
iphonethree20
user370507
user370507

Reputation: 497

Three20 + JSON Parsing

I'm using Three20 and want to use JSON to populate my TTPhotoViewController.

If I go to a web address, let's say,

www.bbc.com/jsonoutput

I get the following

{"name":"MyName","curNiceDate":"Wed 29 Dec 10","images":["UK\/2010\/12\/29\/1.jpg","US\/2010\/12\/29\/2.jpg","EU``\/2010\/12\/29\/3.jpg","FR\/2010\/12\/29\/4.jpg","FR\/2010\/12\/29\/5.jpg","FR\/2010\/12\/29\/6.jpg","FR\/2010\/12\/29\/7.jpg","FR\/2010\/12\/29\/8.jpg","FR\/2010\/12\/29\/9.jpg"]}

I want to pick out images which are in www.bbc.com/images/.

All those directories are locations of images relevant from the above address. How would I go about pulling out this information from the JSON output and make it into a URL which will look like this

www.bbc.com/UK/2010/12/29/1.jpg

www.bbc.com/US/2010/12/29/2.jpg

www.bbc.com/EU/2010/12/29/3.jpg

www.bbc.com/FR/2010/12/29/4.jpg

So I can feed it into the TTPhotoView Picker.

Any help please?

Upvotes: 0

Views: 1534

Answers (3)

rain
rain

Reputation: 1

json-framework is good use it.

Upvotes: 0

keegan3d
keegan3d

Reputation: 11315

I've been happy with TouchJSON, it's also very easy to use. I'm using it in conjunction with ASIHTTPRequest.

Here's a quick modification of my code to relate to your question.

- (IBAction)getImages{
    NSURL *url = [NSURL URLWithString:@"www.bbc.com/jsonoutput"];
    ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];
    [request setDelegate:self];
    [request startAsynchronous];
}

- (void)requestFinished:(ASIHTTPRequest *)request{
    NSError *error;
    NSDictionary *bbcData = [[CJSONDeserializer deserializer] deserializeAsDictionary:[request responseData] error:&error];
    //TODO: do something with the error
    NSArray *images = [bbcData objectAtIndex:@"images"]; 
    NSLog(@"%@", images);   
}

- (void)requestFailed:(ASIHTTPRequest *)request{
    NSError *error = [request error];
    //TODO: do something with the error
}

Upvotes: 3

Matt S.
Matt S.

Reputation: 13773

https://github.com/stig/json-framework It's super easy to use. If you get stuck just look at how I used it in my code here

Upvotes: 1

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