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(Objective-C) Azure Blob Service - List all Containers in a Storage Account

Azure Storage Blob Service REST API: Lists all the containers in a storage account.

Chilkat Objective-C Library Downloads

MAC OS X (Cocoa) Libs

iOS Libs

#import <CkoRest.h>
#import <CkoAuthAzureStorage.h>
#import <NSString.h>
#import <CkoXml.h>
#import <CkoDateTime.h>

// Azure Blob Service Example: List all of the containers in an account.

// 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 Azure Storage Blob Service
BOOL bTls = YES;
int port = 443;
BOOL bAutoReconnect = YES;
// In this example, the storage account name is "chilkat".
BOOL success = [rest Connect: @"chilkat.blob.core.windows.net" port: [NSNumber numberWithInt: port] tls: bTls autoReconnect: bAutoReconnect];
if (success != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

// Provide Azure Cloud credentials for the REST call.
CkoAuthAzureStorage *azAuth = [[CkoAuthAzureStorage alloc] init];
azAuth.AccessKey = @"AZURE_ACCESS_KEY";
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
azAuth.Account = @"chilkat";
azAuth.Scheme = @"SharedKey";
azAuth.Service = @"Blob";
// This causes the "x-ms-version: 2020-08-04" header to be automatically added.
azAuth.XMsVersion = @"2020-08-04";
success = [rest SetAuthAzureStorage: azAuth];

// URI parameters, such as "maxresults", are added by calling AddQueryParam
success = [rest AddQueryParam: @"maxresults" value: @"1000"];

// Note: The application does not need to explicitly set the following
// headers: x-ms-date, Authorization.  These headers
// are automatically set by Chilkat.

NSString *responseStr = [rest FullRequestNoBody: @"GET" uriPath: @"/?comp=list"];
if (rest.LastMethodSuccess != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

// When successful, the Azure Storage service will respond with a 200 response code,
// with an XML body.  
if ([rest.ResponseStatusCode intValue] != 200) {
    // Examine the request/response to see what happened.
    NSLog(@"%@%d",@"response status code = ",[rest.ResponseStatusCode intValue]);
    NSLog(@"%@%@",@"response status text = ",rest.ResponseStatusText);
    NSLog(@"%@%@",@"response header: ",rest.ResponseHeader);
    NSLog(@"%@%@",@"response body (if any): ",responseStr);
    NSLog(@"%@",@"---");
    NSLog(@"%@%@",@"LastRequestStartLine: ",rest.LastRequestStartLine);
    NSLog(@"%@%@",@"LastRequestHeader: ",rest.LastRequestHeader);
    return;
}

// Load the XML response for parsing.
// A sample XML response containing 2 containers is shown below.
CkoXml *xml = [[CkoXml alloc] init];
success = [xml LoadXml: responseStr];

NSLog(@"%@",[xml GetXml]);

// Iterate over the containers, listing some information about each.
success = [xml FindChild2: @"Containers"];
int numContainers = [xml.NumChildren intValue];
int i = 0;
while ((i < numContainers)) {
    success = [xml GetChild2: [NSNumber numberWithInt: i]];
    NSLog(@"%@%@",@"Container Name: ",[xml GetChildContent: @"Name"]);
    NSString *lastModDateStr = [xml ChilkatPath: @"Properties|Last-Modified|*"];
    NSLog(@"%@%@",@"Last Modified: ",lastModDateStr);
    // The date/time string can be loaded into a CkDateTime object for conversion to other date formats..
    CkoDateTime *dateTime = [[CkoDateTime alloc] init];
    success = [dateTime SetFromRfc822: lastModDateStr];

    NSString *leaseState = [xml ChilkatPath: @"Properties|LeaseState|*"];
    NSLog(@"%@%@",@"Lease State: ",leaseState);

    success = [xml GetParent2];
    i = i + 1;
}

success = [xml GetParent2];

// Sample XML response:

// 	<?xml version="1.0" encoding="utf-8" ?>
// 	<EnumerationResults ServiceEndpoint="https://chilkat.blob.core.windows.net/">
// 	    <MaxResults>1000</MaxResults>
// 	    <Containers>
// 	        <Container>
// 	            <Name>test</Name>
// 	            <Properties>
// 	                <Last-Modified>Wed, 20 Apr 2016 01:02:25 GMT</Last-Modified>
// 	                <Etag>"0x8D368B77024C583"</Etag>
// 	                <LeaseStatus>unlocked</LeaseStatus>
// 	                <LeaseState>available</LeaseState>
// 	            </Properties>
// 	        </Container>
// 	        <Container>
// 	            <Name>test2</Name>
// 	            <Properties>
// 	                <Last-Modified>Tue, 03 May 2016 17:13:01 GMT</Last-Modified>
// 	                <Etag>"0x8D373762EB6AC85"</Etag>
// 	                <LeaseStatus>unlocked</LeaseStatus>
// 	                <LeaseState>available</LeaseState>
// 	            </Properties>
// 	        </Container>
// 	    </Containers>
// 	    <NextMarker />
// 	</EnumerationResults>
 

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