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(Objective-C) Create more Complex JSON DocumentSample code to create the following JSON document: { "Title": "The Cuckoo's Calling", "Author": "Robert Galbraith", "Genre": "classic crime novel", "Detail": { "Publisher": "Little Brown", "Publication_Year": 2013, "ISBN-13": 9781408704004, "Language": "English", "Pages": 494 }, "Price": [ { "type": "Hardcover", "price": 16.65 }, { "type": "Kindle Edition", "price": 7.00 } ] } Note: This example requires Chilkat v11.1.0 or greater.
#import <CkoJsonObject.h> #import <CkoJsonArray.h> BOOL success = NO; CkoJsonObject *json = [[CkoJsonObject alloc] init]; // The only reason for failure in the following lines of code would be an out-of-memory condition.. // An index value of -1 is used to append at the end. int index = -1; success = [json AddStringAt: [NSNumber numberWithInt: -1] name: @"Title" value: @"The Cuckoo's Calling"]; success = [json AddStringAt: [NSNumber numberWithInt: -1] name: @"Author" value: @"Robert Galbraith"]; success = [json AddStringAt: [NSNumber numberWithInt: -1] name: @"Genre" value: @"classic crime novel"]; // Let's create the Detail JSON object: CkoJsonObject *detail = [[CkoJsonObject alloc] init]; [json AppendObject2: @"Detail" jsonObj: detail]; success = [detail AddStringAt: [NSNumber numberWithInt: -1] name: @"Publisher" value: @"Little Brown"]; success = [detail AddIntAt: [NSNumber numberWithInt: -1] name: @"Publication_Year" value: [NSNumber numberWithInt: 2013]]; success = [detail AddNumberAt: [NSNumber numberWithInt: -1] name: @"ISBN-13" numericStr: @"9781408704004"]; success = [detail AddStringAt: [NSNumber numberWithInt: -1] name: @"Language" value: @"English"]; success = [detail AddIntAt: [NSNumber numberWithInt: -1] name: @"Pages" value: [NSNumber numberWithInt: 494]]; // Add the array for Price CkoJsonArray *aPrice = [[CkoJsonArray alloc] init]; [json AppendArray2: @"Price" jarr: aPrice]; // Entry in aPrice will be a JSON object. // Append a new/empty ojbect to the end of the aPrice array. CkoJsonObject *priceObj = [[CkoJsonObject alloc] init]; [aPrice AddObjectAt2: [NSNumber numberWithInt: -1] json: priceObj]; success = [priceObj AddStringAt: [NSNumber numberWithInt: -1] name: @"type" value: @"Hardcover"]; success = [priceObj AddNumberAt: [NSNumber numberWithInt: -1] name: @"price" numericStr: @"16.65"]; [aPrice AddObjectAt2: [NSNumber numberWithInt: -1] json: priceObj]; success = [priceObj AddStringAt: [NSNumber numberWithInt: -1] name: @"type" value: @"Kindle Edition"]; success = [priceObj AddNumberAt: [NSNumber numberWithInt: -1] name: @"price" numericStr: @"7.00"]; json.EmitCompact = NO; NSLog(@"%@",[json Emit]); |
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