Android™

S3 Find Bucket Region

See more Amazon S3 (new) Examples

Demonstrates how to find out the region of an S3 bucket. Android™

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    boolean success = false;

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

    CkRest rest = new CkRest();

    // Connect to the Amazon AWS REST server using the correct region (in this example, "us-west-2")
    boolean bTls = true;
    int port = 443;
    boolean bAutoReconnect = true;
    success = rest.Connect("s3.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials for the REST call.
    CkAuthAws authAws = new CkAuthAws();
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    authAws.put_ServiceName("s3");
    success = rest.SetAuthAws(authAws);

    // The bucket name we want to know about is set in the HOST header.
    // In this example, we want to find the region for the "chilkat.qa" bucket.
    rest.put_Host("chilkat.qa.s3.amazonaws.com");

    // Send the GET request to query the bucket location.
    String strResult = rest.fullRequestNoBody("GET","/?location");
    if (rest.get_LastMethodSuccess() != true) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    int responseStatusCode = rest.get_ResponseStatusCode();
    Log.i(TAG, "Response status code = " + String.valueOf(responseStatusCode));
    if (responseStatusCode != 200) {
        Log.i(TAG, rest.responseHeader());
        Log.i(TAG, strResult);
        Log.i(TAG, "Failed.");
        return;
        }

    Log.i(TAG, strResult);

    // The result contains XML like this:
    // <?xml version="1.0" encoding="UTF-8"?>
    // <LocationConstraint xmlns="http://s3.amazonaws.com/doc/2006-03-01/">us-west-2</LocationConstraint>

    // Get the "us-west-2" from the XML
    CkXml xml = new CkXml();
    success = xml.LoadXml(strResult);
    Log.i(TAG, "region = " + xml.content());

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}