Java

Azure Storage: Get Blob Service Properties

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Azure Storage Blob Service REST API: Sample code to get a blob's service properties. 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 Properties

    // 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".
    success = rest.Connect("chilkat.blob.core.windows.net",port,bTls,bAutoReconnect);
    if (success != true) {
        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=properties");
    if (rest.get_LastMethodSuccess() != true) {
        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("Logging retention policy #days = " + xml.chilkatPath("Logging|RetentionPolicy|Days|*"));
    System.out.println("Hour metrics include APIs = " + xml.chilkatPath("HourMetrics|IncludeAPIs|*"));

    // <?xml version="1.0" encoding="utf-8" ?>
    // <StorageServiceProperties>
    //     <Logging>
    //         <Version>1.0</Version>
    //         <Read>true</Read>
    //         <Write>true</Write>
    //         <Delete>true</Delete>
    //         <RetentionPolicy>
    //             <Enabled>true</Enabled>
    //             <Days>7</Days>
    //         </RetentionPolicy>
    //     </Logging>
    //     <HourMetrics>
    //         <Version>1.0</Version>
    //         <Enabled>true</Enabled>
    //         <IncludeAPIs>true</IncludeAPIs>
    //         <RetentionPolicy>
    //             <Enabled>true</Enabled>
    //             <Days>7</Days>
    //         </RetentionPolicy>
    //     </HourMetrics>
    //     <MinuteMetrics>
    //         <Version>1.0</Version>
    //         <Enabled>false</Enabled>
    //         <RetentionPolicy>
    //             <Enabled>false</Enabled>
    //         </RetentionPolicy>
    //     </MinuteMetrics>
    //     <Cors />
    // </StorageServiceProperties>
  }
}