| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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.deltacloud.config; |
| |
| import static org.jclouds.Constants.PROPERTY_SESSION_INTERVAL; |
| |
| import java.net.URI; |
| import java.util.NoSuchElementException; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.deltacloud.DeltacloudAsyncClient; |
| import org.jclouds.deltacloud.DeltacloudClient; |
| import org.jclouds.deltacloud.collections.HardwareProfiles; |
| import org.jclouds.deltacloud.collections.Images; |
| import org.jclouds.deltacloud.collections.InstanceStates; |
| import org.jclouds.deltacloud.collections.Instances; |
| import org.jclouds.deltacloud.collections.Realms; |
| import org.jclouds.deltacloud.domain.DeltacloudCollection; |
| import org.jclouds.deltacloud.handlers.DeltacloudErrorHandler; |
| import org.jclouds.deltacloud.handlers.DeltacloudRedirectionRetryHandler; |
| import org.jclouds.http.HttpErrorHandler; |
| import org.jclouds.http.HttpRetryHandler; |
| import org.jclouds.http.annotation.ClientError; |
| import org.jclouds.http.annotation.Redirection; |
| import org.jclouds.http.annotation.ServerError; |
| import org.jclouds.rest.AuthorizationException; |
| import org.jclouds.rest.ConfiguresRestClient; |
| import org.jclouds.rest.config.RestClientModule; |
| import org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Supplier; |
| import com.google.common.base.Suppliers; |
| import com.google.common.collect.Iterables; |
| import com.google.inject.Provides; |
| |
| /** |
| * Configures the deltacloud connection. |
| * |
| * @author Adrian Cole |
| */ |
| @ConfiguresRestClient |
| public class DeltacloudRestClientModule extends RestClientModule<DeltacloudClient, DeltacloudAsyncClient> { |
| |
| public DeltacloudRestClientModule() { |
| super(DeltacloudClient.class, DeltacloudAsyncClient.class); |
| } |
| |
| @Override |
| protected void bindErrorHandlers() { |
| bind(HttpErrorHandler.class).annotatedWith(Redirection.class).to(DeltacloudErrorHandler.class); |
| bind(HttpErrorHandler.class).annotatedWith(ClientError.class).to(DeltacloudErrorHandler.class); |
| bind(HttpErrorHandler.class).annotatedWith(ServerError.class).to(DeltacloudErrorHandler.class); |
| } |
| |
| @Override |
| protected void bindRetryHandlers() { |
| bind(HttpRetryHandler.class).annotatedWith(Redirection.class).to(DeltacloudRedirectionRetryHandler.class); |
| } |
| |
| protected AtomicReference<AuthorizationException> authException = new AtomicReference<AuthorizationException>(); |
| |
| @Provides |
| @Singleton |
| protected Supplier<Set<? extends DeltacloudCollection>> provideCollections( |
| @Named(PROPERTY_SESSION_INTERVAL) long seconds, final DeltacloudClient client) { |
| return new MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier<Set<? extends DeltacloudCollection>>( |
| authException, seconds, new Supplier<Set<? extends DeltacloudCollection>>() { |
| @Override |
| public Set<? extends DeltacloudCollection> get() { |
| return client.getCollections(); |
| } |
| }); |
| } |
| |
| /** |
| * since the supplier is memoized, and there are no objects created here, this doesn't need to be |
| * singleton. |
| */ |
| @Provides |
| @Images |
| protected Supplier<URI> provideImageCollection(Supplier<Set<? extends DeltacloudCollection>> collectionSupplier) { |
| return Suppliers.compose(new FindCollectionWithRelAndReturnHref("images"), collectionSupplier); |
| } |
| |
| public static class FindCollectionWithRelAndReturnHref implements Function<Set<? extends DeltacloudCollection>, URI> { |
| private final String rel; |
| |
| public FindCollectionWithRelAndReturnHref(String rel) { |
| this.rel = rel; |
| } |
| |
| @Override |
| public URI apply(Set<? extends DeltacloudCollection> arg0) { |
| try { |
| return Iterables.find(arg0, new Predicate<DeltacloudCollection>() { |
| |
| @Override |
| public boolean apply(DeltacloudCollection arg0) { |
| return arg0.getRel().equals(rel); |
| } |
| |
| }).getHref(); |
| } catch (NoSuchElementException e) { |
| throw new NoSuchElementException("could not find rel " + rel + " in collections " + arg0); |
| } |
| } |
| |
| } |
| |
| @Provides |
| @HardwareProfiles |
| protected Supplier<URI> provideHardwareProfileCollection(Supplier<Set<? extends DeltacloudCollection>> collectionSupplier) { |
| return Suppliers.compose(new FindCollectionWithRelAndReturnHref("hardware_profiles"), collectionSupplier); |
| } |
| |
| @Provides |
| @Instances |
| protected Supplier<URI> provideInstanceCollection(Supplier<Set<? extends DeltacloudCollection>> collectionSupplier) { |
| return Suppliers.compose(new FindCollectionWithRelAndReturnHref("instances"), collectionSupplier); |
| } |
| |
| @Provides |
| @Realms |
| protected Supplier<URI> provideRealmCollection(Supplier<Set<? extends DeltacloudCollection>> collectionSupplier) { |
| return Suppliers.compose(new FindCollectionWithRelAndReturnHref("realms"), collectionSupplier); |
| } |
| |
| @Provides |
| @InstanceStates |
| protected Supplier<URI> provideInstanceStateCollection(Supplier<Set<? extends DeltacloudCollection>> collectionSupplier) { |
| return Suppliers.compose(new FindCollectionWithRelAndReturnHref("instance_states"), collectionSupplier); |
| } |
| } |