(Objective-C) Amazon Glacier List Vaults

Demonstrates how to list the glacier vaults in a given region.

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#import <CkoRest.h>
#import <CkoAuthAws.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.h>
#import <NSString.h>

// 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;
BOOL 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 List Vaults Reference Documentation
// 
[rest AddHeader: @"x-amz-glacier-version" value: @"2012-06-01"];

// Get the glacier vaults in my account's us-west-2 region.
CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [rest FullRequestNoBodySb: @"GET" uriPath: @"/AWS_ACCOUNT_ID/vaults" sb: 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 200 response status with an empty response body.
NSLog(@"%@%d",@"response status code = ",respStatusCode);

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json LoadSb: sbResponseBody];
json.EmitCompact = NO;

NSLog(@"%@",[json Emit]);

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

NSString *Marker = 0;
int i;
int count_i;
NSString *CreationDate = 0;
NSString *LastInventoryDate = 0;
int NumberOfArchives;
int SizeInBytes;
NSString *VaultARN = 0;
NSString *VaultName = 0;

Marker = [json StringOf: @"Marker"];
i = 0;
count_i = [[json SizeOfArray: @"VaultList"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    CreationDate = [json StringOf: @"VaultList[i].CreationDate"];
    LastInventoryDate = [json StringOf: @"VaultList[i].LastInventoryDate"];
    NumberOfArchives = [[json IntOf: @"VaultList[i].NumberOfArchives"] intValue];
    SizeInBytes = [[json IntOf: @"VaultList[i].SizeInBytes"] intValue];
    VaultARN = [json StringOf: @"VaultList[i].VaultARN"];
    VaultName = [json StringOf: @"VaultList[i].VaultName"];
    i = i + 1;
}

// Sample response
// 
// {
//   "Marker": null,
//   "VaultList": [
//     {
//       "CreationDate": "2019-04-05T19:10:28.428Z",
//       "LastInventoryDate": null,
//       "NumberOfArchives": 0,
//       "SizeInBytes": 0,
//       "VaultARN": "arn:aws:glacier:us-west-2:954491834127:vaults/chilkat",
//       "VaultName": "chilkat"
//     },
//     {
//       "CreationDate": "2019-04-05T19:00:21.768Z",
//       "LastInventoryDate": null,
//       "NumberOfArchives": 0,
//       "SizeInBytes": 0,
//       "VaultARN": "arn:aws:glacier:us-west-2:954491834127:vaults/ocean",
//       "VaultName": "ocean"
//     }
//   ]
// }
//