Adds CDN examples
diff --git a/rackspace/src/main/java/org/jclouds/examples/rackspace/SmokeTest.java b/rackspace/src/main/java/org/jclouds/examples/rackspace/SmokeTest.java
index 7926b55..94662ca 100644
--- a/rackspace/src/main/java/org/jclouds/examples/rackspace/SmokeTest.java
+++ b/rackspace/src/main/java/org/jclouds/examples/rackspace/SmokeTest.java
@@ -1,25 +1,25 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
  *
- *   http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 package org.jclouds.examples.rackspace;
 
 import java.io.IOException;
 
+import org.jclouds.examples.rackspace.cdn.CreateService;
+import org.jclouds.examples.rackspace.cdn.UpdateService;
 import org.jclouds.examples.rackspace.cloudblockstorage.*;
 import org.jclouds.examples.rackspace.clouddns.*;
 import org.jclouds.examples.rackspace.cloudfiles.*;
@@ -30,6 +30,8 @@
 import org.jclouds.examples.rackspace.cloudservers.*;
 import org.jclouds.examples.rackspace.clouddatabases.*;
 import org.jclouds.examples.rackspace.autoscale.*;
+import org.jclouds.examples.rackspace.cdn.*;
+import org.jclouds.openstack.poppy.v1.domain.*;
 
 /**
  * This example smoke tests all of the other examples in these packages.
@@ -119,5 +121,10 @@
       ProducerConsumer.main(args);
       PublishSubscribe.main(args);
       StreamMessages.main(args);
+
+      CreateService.main(args);
+      UpdateService.main(args);
+      PurgeServiceAssets.main(args);
+      DeleteService.main(args);
    }
 }
diff --git a/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/Constants.java b/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/Constants.java
new file mode 100644
index 0000000..a5a5612
--- /dev/null
+++ b/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/Constants.java
@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jclouds.examples.rackspace.cdn;
+
+/**
+ * Constants used by the Rackspace Examples.
+ */
+public class Constants {
+   // The provider configures jclouds To use the Rackspace Cloud (US)
+   // To use the Rackspace Cloud (UK) set the system property or default value to "rackspace-cdn-uk"
+   public static final String PROVIDER = System.getProperty("provider.cs", "rackspace-cdn-us");
+}
diff --git a/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/CreateService.java b/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/CreateService.java
new file mode 100644
index 0000000..f8d4229
--- /dev/null
+++ b/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/CreateService.java
@@ -0,0 +1,129 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jclouds.examples.rackspace.cdn;
+
+import static org.jclouds.examples.rackspace.cdn.Constants.PROVIDER;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.net.URI;
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+import org.jclouds.ContextBuilder;
+import org.jclouds.logging.slf4j.config.SLF4JLoggingModule;
+import org.jclouds.openstack.poppy.v1.PoppyApi;
+import org.jclouds.openstack.poppy.v1.domain.Caching;
+import org.jclouds.openstack.poppy.v1.domain.Domain;
+import org.jclouds.openstack.poppy.v1.domain.Origin;
+import org.jclouds.openstack.poppy.v1.domain.Restriction;
+import org.jclouds.openstack.poppy.v1.features.FlavorApi;
+import org.jclouds.openstack.poppy.v1.features.ServiceApi;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.io.Closeables;
+import com.google.common.util.concurrent.Uninterruptibles;
+import com.google.inject.Module;
+
+/**
+ * Demonstrates how to create a Poppy service on Rackspace (Rackspace CDN).
+ * Cleans up the service on fail.
+ */
+public class CreateService implements Closeable {
+   private final PoppyApi cdnApi;
+   private final FlavorApi flavorApi;
+   private final ServiceApi serviceApi;
+
+   /**
+    * To get a username and API key see
+    * http://jclouds.apache.org/guides/rackspace/
+    *
+    * The first argument (args[0]) must be your username
+    * The second argument (args[1]) must be your API key
+    */
+   public static void main(String[] args) throws IOException {
+      CreateService createPolicy = new CreateService(args[0], args[1]);
+
+      try {
+         createPolicy.createService();
+      }
+      catch (Exception e) {
+         e.printStackTrace();
+      }
+      finally {
+         createPolicy.close();
+      }
+   }
+
+   public CreateService(String username, String apiKey) {
+      cdnApi = ContextBuilder.newBuilder(PROVIDER)
+            .credentials(username, apiKey)
+            .buildApi(PoppyApi.class);
+
+      serviceApi = cdnApi.getServiceApi();
+      flavorApi = cdnApi.getFlavorApi();
+   }
+
+   private void createService() {
+
+      String serviceId = null;
+      try {
+         URI serviceURI = serviceApi.create(
+               org.jclouds.openstack.poppy.v1.domain.CreateService.builder()
+                     .name("jclouds_test_service")
+                     .domains(
+                           ImmutableList.of(
+                                 // Domain might be taken already - will result in failure. Use UUID in the test
+                                 // to get a random domain.
+                                 Domain.builder().domain("www.example" + UUID.randomUUID() + ".com").build()))
+                     .origins(ImmutableList.of(
+                           Origin.builder()
+                                 .origin("example" + UUID.randomUUID() + ".com")
+                                 .build()))
+                     .caching(ImmutableList.<Caching>of())
+                     .restrictions(ImmutableList.<Restriction>of())
+                     .flavorId(flavorApi.list().first().get().getId())
+                     .build()
+         );
+         String path = serviceURI.getPath();
+         serviceId = path.substring(path.lastIndexOf('/') + 1);
+
+         System.out.println("Created Poppy service with id " + serviceId);
+         System.out.println("Waiting for service to deploy");
+
+         // Not available in 1.9.0; available in SNAPSHOT
+         //ServicePredicates.awaitDeployed(serviceApi).apply(serviceApi.get(serviceId));
+         Uninterruptibles.sleepUninterruptibly(30, TimeUnit.SECONDS);
+      } catch (Exception e) {
+         // Cleanup on fail
+         if (serviceId != null) {
+            serviceApi.delete(serviceId);
+         }
+      }
+   }
+
+   /**
+    * Always close your service when you're done with it.
+    *
+    * Note that closing quietly like this is not necessary in Java 7.
+    * You would use try-with-resources in the main method instead.
+    */
+   public void close() throws IOException {
+      Closeables.close(cdnApi, true);
+   }
+}
diff --git a/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/DeleteService.java b/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/DeleteService.java
new file mode 100644
index 0000000..9789cf4
--- /dev/null
+++ b/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/DeleteService.java
@@ -0,0 +1,100 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jclouds.examples.rackspace.cdn;
+
+import static org.jclouds.examples.rackspace.cdn.Constants.PROVIDER;
+
+import java.io.Closeable;
+import java.io.IOException;
+
+import org.jclouds.ContextBuilder;
+import org.jclouds.logging.slf4j.config.SLF4JLoggingModule;
+import org.jclouds.openstack.poppy.v1.PoppyApi;
+import org.jclouds.openstack.poppy.v1.domain.Service;
+import org.jclouds.openstack.poppy.v1.features.ServiceApi;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.io.Closeables;
+import com.google.inject.Module;
+
+/**
+ * Updates a Poppy service. (Rackspace CDN).
+ * This operation internally diffs a target Service with a currently exsiting source service
+ * and automatically sends the json-patch diff to Poppy, which applies it.
+ */
+public class DeleteService implements Closeable {
+   private final PoppyApi cdnApi;
+   private final ServiceApi serviceApi;
+
+   /**
+    * To get a username and API key see
+    * http://jclouds.apache.org/guides/rackspace/
+    *
+    * The first argument (args[0]) must be your username
+    * The second argument (args[1]) must be your API key
+    */
+   public static void main(String[] args) throws IOException {
+      DeleteService deleteService = new DeleteService(args[0], args[1]);
+
+      try {
+         deleteService.deleteService();
+      }
+      catch (Exception e) {
+         e.printStackTrace();
+      }
+      finally {
+         deleteService.close();
+      }
+   }
+
+   public DeleteService(String username, String apiKey) {
+      Iterable<Module> modules = ImmutableSet.<Module> of(new SLF4JLoggingModule());
+      cdnApi = ContextBuilder.newBuilder(PROVIDER)
+            .credentials(username, apiKey)
+            .modules(modules)
+            .buildApi(PoppyApi.class);
+
+      serviceApi = cdnApi.getServiceApi();
+   }
+
+   private void deleteService() {
+
+      String serviceId = null;
+      try {
+         // Delete all services
+
+         for (Service service : serviceApi.list().concat().toList()) {
+            System.out.println("Delete service " + service.getId());
+            serviceApi.delete(service.getId());
+         }
+
+      } finally {
+         // Do nothing on fail
+      }
+   }
+
+   /**
+    * Always close your service when you're done with it.
+    *
+    * Note that closing quietly like this is not necessary in Java 7.
+    * You would use try-with-resources in the main method instead.
+    */
+   public void close() throws IOException {
+      Closeables.close(cdnApi, true);
+   }
+}
diff --git a/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/PurgeServiceAssets.java b/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/PurgeServiceAssets.java
new file mode 100644
index 0000000..c772116
--- /dev/null
+++ b/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/PurgeServiceAssets.java
@@ -0,0 +1,92 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jclouds.examples.rackspace.cdn;
+
+import static org.jclouds.examples.rackspace.cdn.Constants.PROVIDER;
+
+import java.io.Closeable;
+import java.io.IOException;
+
+import org.jclouds.ContextBuilder;
+import org.jclouds.openstack.poppy.v1.PoppyApi;
+import org.jclouds.openstack.poppy.v1.domain.Service;
+import org.jclouds.openstack.poppy.v1.features.ServiceApi;
+
+import com.google.common.io.Closeables;
+
+/**
+ * Purges cached service assets.
+ * This removes CDN-cached files from the cache.
+ * The system will reload these assets into the cache the next time they are requested.
+ */
+public class PurgeServiceAssets implements Closeable {
+   private final PoppyApi cdnApi;
+   private final ServiceApi serviceApi;
+
+   /**
+    * To get a username and API key see
+    * http://jclouds.apache.org/guides/rackspace/
+    *
+    * The first argument (args[0]) must be your username
+    * The second argument (args[1]) must be your API key
+    */
+   public static void main(String[] args) throws IOException {
+      PurgeServiceAssets createPolicy = new PurgeServiceAssets(args[0], args[1]);
+
+      try {
+         createPolicy.updateService();
+      }
+      catch (Exception e) {
+         e.printStackTrace();
+      }
+      finally {
+         createPolicy.close();
+      }
+   }
+
+   public PurgeServiceAssets(String username, String apiKey) {
+      cdnApi = ContextBuilder.newBuilder(PROVIDER)
+            .credentials(username, apiKey)
+            .buildApi(PoppyApi.class);
+
+      serviceApi = cdnApi.getServiceApi();
+   }
+
+   private void updateService() {
+      try {
+         Service serviceList = serviceApi.list().concat().toSet().iterator().next();
+         System.out.println("Purging assets for " + serviceList.getId());
+         /** Only available in SNAPSHOT builds. Not available in 1.9.0
+         serviceApi.deleteAsset(serviceList.getId(), "image/1.jpg"));
+         serviceApi.deleteAssets(serviceList.getId()));
+          */
+      } finally {
+         // Do nothing on fail.
+      }
+   }
+
+   /**
+    * Always close your service when you're done with it.
+    *
+    * Note that closing quietly like this is not necessary in Java 7.
+    * You would use try-with-resources in the main method instead.
+    */
+   public void close() throws IOException {
+      Closeables.close(cdnApi, true);
+   }
+}
diff --git a/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/UpdateService.java b/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/UpdateService.java
new file mode 100644
index 0000000..7b0141d
--- /dev/null
+++ b/rackspace/src/main/java/org/jclouds/examples/rackspace/cdn/UpdateService.java
@@ -0,0 +1,96 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jclouds.examples.rackspace.cdn;
+
+import static org.jclouds.examples.rackspace.cdn.Constants.PROVIDER;
+
+import java.io.Closeable;
+import java.io.IOException;
+
+import org.jclouds.ContextBuilder;
+import org.jclouds.logging.slf4j.config.SLF4JLoggingModule;
+import org.jclouds.openstack.poppy.v1.PoppyApi;
+import org.jclouds.openstack.poppy.v1.domain.Service;
+import org.jclouds.openstack.poppy.v1.features.ServiceApi;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.io.Closeables;
+import com.google.inject.Module;
+
+/**
+ * Updates a Poppy service. (Rackspace CDN).
+ * This operation internally diffs a target Service with a currently exsiting source service
+ * and automatically sends the json-patch diff to Poppy, which applies it.
+ */
+public class UpdateService implements Closeable {
+   private final PoppyApi cdnApi;
+   private final ServiceApi serviceApi;
+
+   /**
+    * To get a username and API key see
+    * http://jclouds.apache.org/guides/rackspace/
+    *
+    * The first argument (args[0]) must be your username
+    * The second argument (args[1]) must be your API key
+    */
+   public static void main(String[] args) throws IOException {
+      UpdateService createPolicy = new UpdateService(args[0], args[1]);
+
+      try {
+         createPolicy.updateService();
+      }
+      catch (Exception e) {
+         e.printStackTrace();
+      }
+      finally {
+         createPolicy.close();
+      }
+   }
+
+   public UpdateService(String username, String apiKey) {
+      cdnApi = ContextBuilder.newBuilder(PROVIDER)
+            .credentials(username, apiKey)
+            .buildApi(PoppyApi.class);
+
+      serviceApi = cdnApi.getServiceApi();
+   }
+
+   private void updateService() {
+      try {
+         Service serviceList = serviceApi.list().concat().toSet().iterator().next();
+
+         System.out.println("Update service " + serviceList.getId());
+         System.out.println("Status: " + serviceList.getStatus());
+
+         org.jclouds.openstack.poppy.v1.domain.UpdateService updated = serviceList.toUpdatableService().name("updated_name").build();
+         serviceApi.update(serviceList.getId(), serviceList, updated);
+      } finally {
+         // Do nothing on fail.
+      }
+   }
+
+   /**
+    * Always close your service when you're done with it.
+    *
+    * Note that closing quietly like this is not necessary in Java 7.
+    * You would use try-with-resources in the main method instead.
+    */
+   public void close() throws IOException {
+      Closeables.close(cdnApi, true);
+   }
+}