Java tutorial
/* * 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.clouddatabases; import java.io.Closeable; import java.io.IOException; import java.util.concurrent.TimeoutException; import org.jclouds.ContextBuilder; import org.jclouds.openstack.trove.v1.TroveApi; import org.jclouds.openstack.trove.v1.domain.Instance; import org.jclouds.openstack.trove.v1.features.InstanceApi; import org.jclouds.openstack.trove.v1.features.UserApi; import com.google.common.io.Closeables; import static org.jclouds.examples.rackspace.clouddatabases.Constants.*; /** * This example will create a User on the database created in the CreateDatabase example. */ public class CreateUser implements Closeable { private final TroveApi troveApi; private final InstanceApi instanceApi; private final UserApi userApi; /** * 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 { CreateUser createUser = new CreateUser(args[0], args[1]); try { createUser.createUser(); } catch (Exception e) { e.printStackTrace(); } finally { createUser.close(); } } public CreateUser(String username, String apiKey) { troveApi = ContextBuilder.newBuilder(PROVIDER).credentials(username, apiKey).buildApi(TroveApi.class); instanceApi = troveApi.getInstanceApi(REGION); userApi = troveApi.getUserApi(REGION, getInstance().getId()); } /** * @return Instance The Instance created in the CreateInstance example. */ private Instance getInstance() { for (Instance instance : instanceApi.list()) { if (instance.getName().startsWith(NAME)) { return instance; } } throw new RuntimeException(NAME + " not found. Run the CreateInstance example first."); } private void createUser() throws TimeoutException { System.out.format("Create User%n"); boolean result = userApi.create(NAME, PASSWORD, NAME); System.out.format(" %s%n", result); } /** * 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(troveApi, true); } }