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Objective-C

Amazon Glacier Remove Tags from Vault

See more Amazon Glacier Examples

Demonstrates how to remove one or more tags from the set of tags attached to a vault.

Chilkat Objective-C Downloads

Objective-C
#import <CkoRest.h>
#import <CkoAuthAws.h>
#import <CkoJsonObject.h>
#import <CkoStringBuilder.h>

BOOL success = NO;

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

CkoRest *rest = [[CkoRest alloc] init];

//  Connect to the Amazon AWS REST server in the desired region.
BOOL bTls = YES;
int port = 443;
BOOL bAutoReconnect = YES;
success = [rest Connect: @"glacier.us-west-2.amazonaws.com" port: [NSNumber numberWithInt: port] tls: bTls autoReconnect: bAutoReconnect];

//  Provide AWS credentials.
CkoAuthAws *authAws = [[CkoAuthAws alloc] init];
authAws.AccessKey = @"AWS_ACCESS_KEY";
authAws.SecretKey = @"AWS_SECRET_KEY";
authAws.ServiceName = @"glacier";
authAws.Region = @"us-west-2";

success = [rest SetAuthAws: authAws];

//  --------------------------------------------------------------------------
//  Note: The above REST connection and setup of the AWS credentials
//  can be done once.  After connecting, any number of REST calls can be made.
//  The "auto reconnect" property passed to rest.Connect indicates that if
//  the connection is lost, a REST method call will automatically reconnect
//  if needed.
//  --------------------------------------------------------------------------

//  For more information, see Glacier Remove Tags from Vault Reference Documentation
//  
[rest AddHeader: @"x-amz-glacier-version" value: @"2012-06-01"];

//  Create the JSON indicating the tags to be removed:
//  Use this online tool to generate the code from sample JSON: 
//  Generate Code to Create JSON

//  {
//     "TagKeys": [
//        "tagName1",
//        "tagName2"
//     ]
//  }

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"TagKeys[0]" value: @"tagName1"];
[json UpdateString: @"TagKeys[1]" value: @"tagName2"];
//  ...
//  ...

CkoStringBuilder *sbRequestBody = [[CkoStringBuilder alloc] init];
[json EmitSb: sbRequestBody];

//  Add tags to the vault named "chilkat"
CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [rest FullRequestSb: @"POST" uriPath: @"/AWS_ACCOUNT_ID/vaults/chilkat/tags?operation=remove" requestBody: sbRequestBody responseBody: sbResponseBody];
if (success != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

int respStatusCode = [rest.ResponseStatusCode intValue];
if (respStatusCode >= 400) {
    NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",rest.ResponseHeader);
    NSLog(@"%@",@"Response Body:");
    NSLog(@"%@",[sbResponseBody GetAsString]);
    return;
}

//  Success is indicated by a 204 response status with an empty response body.
NSLog(@"%@%d",@"response status code = ",respStatusCode);