(Java) Backblaze S3 List Buckets

See more Backblaze S3 Examples

Demonstrates how to list Backblaze buckets.

The Chilkat S3 functions in the HTTP class are compatible with the Backblaze service. However, because of some specific issues, Chilkat v9.5.0.89 or later is needed.

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

    CkHttp http = new CkHttp();
    boolean success;

    // keyID = Access Key ID or Access Key
    http.put_AwsAccessKey("access-key");

    // applicationKey = Secret Access Key or Secret Key
    http.put_AwsSecretKey("secret-key");

    // Region is the 2nd part of your S3 Endpoint
    http.put_AwsEndpoint("s3.us-west-002.backblazeb2.com");

    String bucketsXml = http.s3_ListBuckets();

    if (http.get_LastMethodSuccess() != true) {
        System.out.println(http.lastErrorText());
        return;
        }

    CkXml xml = new CkXml();
    xml.LoadXml(bucketsXml);
    System.out.println(xml.getXml());

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

    // Sample output:

    // <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    // <ListAllMyBucketsResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
    //     <Owner>
    //         <ID>f2ebbc5f792c</ID>
    //         <DisplayName/>
    //     </Owner>
    //     <Buckets>
    //         <Bucket>
    //             <Name>chilkat</Name>
    //             <CreationDate>2021-10-30T14:17:30.004Z</CreationDate>
    //         </Bucket>
    //         <Bucket>
    //             <Name>chilkat-test</Name>
    //             <CreationDate>2021-10-30T14:25:52.556Z</CreationDate>
    //         </Bucket>
    //     </Buckets>
    // </ListAllMyBucketsResult>

    String Name;
    String CreationDate;

    String ListAllMyBucketsResult_xmlns = xml.getAttrValue("xmlns");
    String ID = xml.getChildContent("Owner|ID");
    int i = 0;
    int count_i = xml.NumChildrenHavingTag("Buckets|Bucket");
    while (i < count_i) {
        xml.put_I(i);
        Name = xml.getChildContent("Buckets|Bucket[i]|Name");
        CreationDate = xml.getChildContent("Buckets|Bucket[i]|CreationDate");
        i = i+1;
        }
  }
}