Java

Azure Storage: Get Blob Service Stats

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Azure Storage Blob Service REST API: Sample code to get Blob Service Stats Java

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

    // Azure Blob Service Example: Get Blob Service Stats

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

    CkRest rest = new CkRest();

    // 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".
    // ---- IMPORTANT ----
    // The "-secondary" suffix is required.
    // This requires an Azure storage account with replication set to "Read-access geo-redundant storage (RA-GRS)"
    // If you made the change just prior to testing this example, you'll need to give it time for the 
    // DNS to become available..  
    // ---- IMPORTANT ----
    success = rest.Connect("chilkat-secondary.blob.core.windows.net",port,bTls,bAutoReconnect);
    if (success == false) {
        System.out.println(rest.lastErrorText());
        return;
        }

    // Provide Azure Cloud credentials for the REST call.
    CkAuthAzureStorage azAuth = new CkAuthAzureStorage();
    azAuth.put_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.put_Account("chilkat");
    azAuth.put_Scheme("SharedKey");
    azAuth.put_Service("Blob");
    // This causes the "x-ms-version: 2021-08-06" header to be automatically added.
    azAuth.put_XMsVersion("2021-08-06");
    success = rest.SetAuthAzureStorage(azAuth);

    // 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 = rest.fullRequestNoBody("GET","/?restype=service&comp=stats");
    if (rest.get_LastMethodSuccess() == false) {
        System.out.println(rest.lastErrorText());
        return;
        }

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

    // Load the XML response for parsing.
    // An example of the response XML is shown below.
    CkXml xml = new CkXml();
    success = xml.LoadXml(responseStr);

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

    // Use the ChilkatPath method to get various pieces of information out
    // of the XML.  For example:

    System.out.println("Status = " + xml.chilkatPath("GeoReplication|Status|*"));
    String lastSyncTimeStr = xml.chilkatPath("GeoReplication|LastSyncTime|*");
    System.out.println("LastSyncTime = " + lastSyncTimeStr);

    // The date/time string can be loaded into a CkDateTime object for 
    // access to individual parts, or conversion to other formats.
    CkDateTime dateTime = new CkDateTime();
    success = dateTime.SetFromRfc822(lastSyncTimeStr);

    // For example:
    boolean bLocalTime = true;
    CkDtObj dt = new CkDtObj();
    dateTime.ToDtObj(bLocalTime,dt);

    System.out.println(dt.get_Year() + "/" + dt.get_Month() + "/" + dt.get_Day());

    // <StorageServiceStats>
    //     <GeoReplication>
    //         <Status>live</Status>
    //         <LastSyncTime>Tue, 03 May 2016 23:57:54 GMT</LastSyncTime>
    //     </GeoReplication>
    // </StorageServiceStats>
  }
}