Test.java

import com.google.common.collect.ImmutableSet;
import com.google.inject.Module;
import org.jclouds.ContextBuilder;
import org.jclouds.blobstore.BlobStore;
import org.jclouds.logging.slf4j.config.SLF4JLoggingModule;
import org.jclouds.openstack.swift.v1.blobstore.RegionScopedBlobStoreContext;
import org.jclouds.rackspace.cloudfiles.v1.CloudFilesApi;

import java.io.IOException;

public class Test {

   public static void main(String[] args) throws IOException {
      Iterable<Module> modules = ImmutableSet.<Module>of(
            new SLF4JLoggingModule());

      ContextBuilder builder = ContextBuilder.newBuilder("rackspace-cloudfiles-uk")
            .modules(modules)
            .endpoint("https://lon.identity.api.rackspacecloud.com/v2.0/")
            .credentials("uk_username", "uk_apikey");
      BlobStore blobStore = builder.buildView(RegionScopedBlobStoreContext.class).blobStoreInRegion("LON");
      CloudFilesApi cloudFilesApi = blobStore.getContext().unwrapApi(CloudFilesApi.class);

      System.out.println("cloudFilesApi.getConfiguredRegions() = " + cloudFilesApi.getConfiguredRegions());
   }
}