Java

Azure Blob Service - List all Containers in a Storage Account

See more Azure Cloud Storage Examples

Azure Storage Blob Service REST API: Lists all the containers in a storage account. Chilkat2 Java

import com.chilkatsoft.chilkat2.AuthAzureStorage;
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.DateTime;
import com.chilkatsoft.chilkat2.Rest;
import com.chilkatsoft.chilkat2.Xml;

public class ChilkatExample {

    public static void main(String[] args) {
        // 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.

        Rest rest = new Rest();

        // Connect to the Azure Storage Blob Service
        boolean bTls = true;
        int port = 443;
        boolean bAutoReconnect = true;
        // In this example, the storage account name is "chilkat".
        try {
            rest.connect("chilkat.blob.core.windows.net", port, bTls, bAutoReconnect);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Provide Azure Cloud credentials for the REST call.
        AuthAzureStorage azAuth = new AuthAzureStorage();
        azAuth.setAccessKey("AZURE_ACCESS_KEY");
        // The account name used here should match the 1st part of the domain passed in the call to Connect (above).
        azAuth.setAccount("chilkat");
        azAuth.setScheme("SharedKey");
        azAuth.setService("Blob");
        // This causes the "x-ms-version: 2021-08-06" header to be automatically added.
        azAuth.setXMsVersion("2021-08-06");
        rest.setAuthAzureStorage(azAuth);

        // URI parameters, such as "maxresults", are added by calling AddQueryParam
        rest.addQueryParam("maxresults", "1000");

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

        String responseStr;
        try {
            responseStr = rest.fullRequestNoBody("GET", "/?comp=list");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // When successful, the Azure Storage service will respond with a 200 response code,
        // with an XML body.
        if (rest.getResponseStatusCode() != 200) {
            // Examine the request/response to see what happened.
            System.out.println("response status code = " + rest.getResponseStatusCode());
            System.out.println("response status text = " + rest.getResponseStatusText());
            System.out.println("response header: " + rest.getResponseHeader());
            System.out.println("response body (if any): " + responseStr);
            System.out.println("---");
            System.out.println("LastRequestStartLine: " + rest.getLastRequestStartLine());
            System.out.println("LastRequestHeader: " + rest.getLastRequestHeader());
            return;
        }

        // Load the XML response for parsing.
        // A sample XML response containing 2 containers is shown below.
        Xml xml = new Xml();
        xml.loadXml(responseStr);

        System.out.println(xml.getXml());

        // Iterate over the containers, listing some information about each.
        xml.findChild2("Containers");
        int numContainers = xml.getNumChildren();
        int i = 0;
        while (i < numContainers) {
            xml.getChild2(i);
            System.out.println("Container Name: " + xml.getChildContent("Name"));
            String lastModDateStr = xml.chilkatPath("Properties|Last-Modified|*");
            System.out.println("Last Modified: " + lastModDateStr);
            // The date/time string can be loaded into a CkDateTime object for conversion to other date formats..
            DateTime dateTime = new DateTime();
            dateTime.setFromRfc822(lastModDateStr);

            String leaseState = xml.chilkatPath("Properties|LeaseState|*");
            System.out.println("Lease State: " + leaseState);

            xml.getParent2();
            i = i + 1;
        }

        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>
    }
}