Getting started with jclouds

JCloudsTest.java

import java.util.Set;
import java.lang.Thread.UncaughtExceptionHandler;

import org.jclouds.ContextBuilder;
import org.jclouds.compute.ComputeService;
import org.jclouds.compute.ComputeServiceContext;
import org.jclouds.compute.domain.ComputeMetadata;

public class JCloudsTest {
  private ComputeService compute;

  public static void main(String[] args) {
    JCloudsTest jCloudsTest = new JCloudsTest();
    jCloudsTest.init();
    jCloudsTest.listServers();

    System.exit(0);  
  }

  private void listServers() {
    System.out.println("Calling listNodes...");
    Set<? extends ComputeMetadata> nodes = compute.listNodes();

    System.out.println("Total Number of Nodes = " + nodes.size());
    for (ComputeMetadata node: nodes) {
      System.out.println("\t" + node);
    }
  }

  private void init() {
    Thread.setDefaultUncaughtExceptionHandler(new UncaughtExceptionHandler() {
      public void uncaughtException(Thread t, Throwable e) {
        e.printStackTrace();
        System.exit(1);
      }
    });

    String provider = "rackspace-cloudservers-us";
    String identity = "my-username";
    String apiKey = "my-api-key";

    ComputeServiceContext context = ContextBuilder.newBuilder(provider)
      .credentials(identity, apiKey)
      .buildView(ComputeServiceContext.class);
    compute = context.getComputeService();
  }
}