(Objective-C) Delete a Google Cloud Storage Bucket

Demonstrates how to delete a Google Cloud Storage bucket.

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#import <CkoStringBuilder.h>
#import <CkoHttp.h>
#import <NSString.h>

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// This example uses a previously obtained access token having permission for the 
// scope "https://www.googleapis.com/auth/cloud-platform"

// In this example, Get Google Cloud Storage OAuth2 Access Token, 
// the service account access token was saved to a text file.  This example fetches the access token from the file..
CkoStringBuilder *sbToken = [[CkoStringBuilder alloc] init];
[sbToken LoadFile: @"qa_data/tokens/googleCloudStorageAccessToken.txt" charset: @"utf-8"];

// Send a DELETE equivalent to this curl command

// curl -X DELETE -H "Authorization: Bearer [OAUTH2_TOKEN]" \
//     "https://www.googleapis.com/storage/v1/b/[BUCKET_NAME]"
// 
CkoHttp *http = [[CkoHttp alloc] init];
http.AuthToken = [sbToken GetAsString];

[http SetUrlVar: @"bucket_name" value: @"chilkat-ocean"];
NSString *url = @"https://www.googleapis.com/storage/v1/b/{$bucket_name}";

NSString *responseBody = [http QuickDeleteStr: url];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

int responseCode = [http.LastStatus intValue];
if (responseCode == 401) {
    NSLog(@"%@",responseBody);
    NSLog(@"%@",@"If invalid credentials, then it is likely the access token expired.");
    NSLog(@"%@",@"Your app should automatically fetch a new access token and re-try.");
    return;
}

// A 204 response code indicates success..
// If not success, then examine the response code and response body..
if (responseCode != 204) {
    NSLog(@"%@%d",@"Response code: ",responseCode);
    NSLog(@"%@",@"Response body");
    NSLog(@"%@",responseBody);
}
else {
    NSLog(@"%@",@"Success.");
}