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POSending string as JSON object
 

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  1. POSending string as JSON object
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    <p>I have an assignment that requires me to put a string as a json object and before sending the object i have to put this json object into a http header. This is my code:</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; NSString *nid = @""; NSString *vocab = @""; NSString *inturl = @"testoverview"; NSString *mail = @"chh@fbr.dk"; NSString *md5pw = @"4d57e7ef1b7c3f431aca424764e9d786"; NSDictionary *jsonDictionary = [NSDictionary dictionaryWithObjectsAndKeys: nid, @"nid", vocab, @"vocab", inturl, @"inturl", mail, @"mail", md5pw, @"md5pw",nil]; NSString *json = @"{nid:"",vocab:"",inturl:testoverview, mail:chh@fbr.dk, md5pw:4d57e7ef1b7c3f431aca424764e9d786}"; NSError *error; NSString *url = @"http://udv.taenk.dk/chh/drupal-taenk/services/mobile"; NSData *data = [json dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:YES]; NSData *jsonData = [NSJSONSerialization dataWithJSONObject:jsonDictionary options:NSJSONWritingPrettyPrinted error:&amp;error]; NSString *jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:url] cachePolicy:NSURLCacheStorageAllowed timeoutInterval:30.0]; NSURLConnection *connction = [[NSURLConnection alloc] initWithRequest:request delegate:self]; FSRemoteExecutor *remote = [[FSRemoteExecutor alloc] init]; [remote execute:url andHandler:[FSProductTestHandler alloc] JSONString:jsonString JSONData:jsonData Connection:connction]; [remote connection:connction didReceiveData:jsonData]; [remote connectionFinishedLoading:connction]; </code></pre> <p>My problem is that i can't use the jsonDictionary with objects and send it, cuz the string format that the service has to receive is this:</p> <p>"{"nid":"","vocab":"", "inturl":"testoverview", "mail":"", "md5pw":""}"</p> <p>The dictionary would insert = in the string and that would give me no response from the service.</p> <p>I want to send a string (json in the code) as dataWithJSONObject:jso, likes this:</p> <pre><code>NSData *jsonData = [NSJSONSerialization dataWithJSONObject:json options:NSJSONWritingPrettyPrinted error:&amp;error]; </code></pre> <p>but i get an error satating this: </p> <p><strong>Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*</strong> +<strong>[NSJSONSerialization dataWithJSONObject:options:error:]: Invalid top-level type in JSON write'</strong></p> <p>can anybody help me with this ?</p>
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