| /** |
| * 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.openstack.keystone.v2_0.config; |
| |
| import static org.jclouds.util.Suppliers2.getLastValueInMap; |
| |
| import java.net.URI; |
| import java.util.Map; |
| import java.util.NoSuchElementException; |
| |
| import javax.inject.Singleton; |
| |
| import org.jclouds.http.HttpErrorHandler; |
| import org.jclouds.http.annotation.ClientError; |
| import org.jclouds.http.annotation.Redirection; |
| import org.jclouds.http.annotation.ServerError; |
| import org.jclouds.location.Provider; |
| import org.jclouds.openstack.keystone.v2_0.KeystoneApi; |
| import org.jclouds.openstack.keystone.v2_0.KeystoneAsyncApi; |
| import org.jclouds.openstack.keystone.v2_0.features.ServiceApi; |
| import org.jclouds.openstack.keystone.v2_0.features.ServiceAsyncApi; |
| import org.jclouds.openstack.keystone.v2_0.features.TenantApi; |
| import org.jclouds.openstack.keystone.v2_0.features.TenantAsyncApi; |
| import org.jclouds.openstack.keystone.v2_0.features.TokenApi; |
| import org.jclouds.openstack.keystone.v2_0.features.TokenAsyncApi; |
| import org.jclouds.openstack.keystone.v2_0.features.UserApi; |
| import org.jclouds.openstack.keystone.v2_0.features.UserAsyncApi; |
| import org.jclouds.openstack.keystone.v2_0.functions.PresentWhenAdminURLExistsForIdentityService; |
| import org.jclouds.openstack.keystone.v2_0.handlers.KeystoneErrorHandler; |
| import org.jclouds.openstack.keystone.v2_0.suppliers.RegionIdToAdminURIFromAccessForTypeAndVersion; |
| import org.jclouds.openstack.keystone.v2_0.suppliers.RegionIdToAdminURISupplier; |
| import org.jclouds.openstack.v2_0.ServiceType; |
| import org.jclouds.openstack.v2_0.services.Identity; |
| import org.jclouds.rest.ConfiguresRestClient; |
| import org.jclouds.rest.annotations.ApiVersion; |
| import org.jclouds.rest.config.RestClientModule; |
| import org.jclouds.rest.functions.ImplicitOptionalConverter; |
| import org.jclouds.util.Suppliers2; |
| |
| import com.google.common.base.Supplier; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.reflect.TypeToken; |
| import com.google.inject.AbstractModule; |
| import com.google.inject.Provides; |
| import com.google.inject.assistedinject.FactoryModuleBuilder; |
| |
| /** |
| * Configures the Keystone connection. |
| * |
| * @author Adam Lowe |
| */ |
| @ConfiguresRestClient |
| public class KeystoneRestClientModule<S extends KeystoneApi, A extends KeystoneAsyncApi> extends |
| RestClientModule<S, A> { |
| |
| public static final Map<Class<?>, Class<?>> DELEGATE_MAP = ImmutableMap.<Class<?>, Class<?>> builder() |
| .put(ServiceApi.class, ServiceAsyncApi.class).put(TokenApi.class, TokenAsyncApi.class) |
| .put(UserApi.class, UserAsyncApi.class).put(TenantApi.class, TenantAsyncApi.class).build(); |
| |
| @SuppressWarnings("unchecked") |
| public KeystoneRestClientModule() { |
| super(TypeToken.class.cast(TypeToken.of(KeystoneApi.class)), TypeToken.class.cast(TypeToken |
| .of(KeystoneAsyncApi.class)), DELEGATE_MAP); |
| } |
| |
| protected KeystoneRestClientModule(TypeToken<S> syncApiType, TypeToken<A> asyncApiType, |
| Map<Class<?>, Class<?>> sync2Async) { |
| super(syncApiType, asyncApiType, sync2Async); |
| } |
| |
| public static class KeystoneAdminURLModule extends AbstractModule { |
| |
| @Override |
| protected void configure() { |
| bind(ImplicitOptionalConverter.class).to(PresentWhenAdminURLExistsForIdentityService.class); |
| install(new FactoryModuleBuilder().implement(RegionIdToAdminURISupplier.class, |
| RegionIdToAdminURIFromAccessForTypeAndVersion.class).build(RegionIdToAdminURISupplier.Factory.class)); |
| } |
| |
| /** |
| * in some cases, there is no {@link ServiceType#IDENTITY} entry in the service catalog. In |
| * other cases, there's no adminURL entry present. Fallback to the provider in this case. |
| */ |
| @Provides |
| @Singleton |
| @Identity |
| protected Supplier<URI> provideStorageUrl(final RegionIdToAdminURISupplier.Factory factory, |
| @ApiVersion final String version, @Provider final Supplier<URI> providerURI) { |
| Supplier<URI> identityServiceForVersion = getLastValueInMap(factory.createForApiTypeAndVersion( |
| ServiceType.IDENTITY, version)); |
| Supplier<URI> whenIdentityServiceIsntListedFallbackToProviderURI = Suppliers2.onThrowable( |
| identityServiceForVersion, NoSuchElementException.class, providerURI); |
| Supplier<URI> whenIdentityServiceHasNoAdminURLFallbackToProviderURI = Suppliers2.or( |
| whenIdentityServiceIsntListedFallbackToProviderURI, providerURI); |
| return whenIdentityServiceHasNoAdminURLFallbackToProviderURI; |
| } |
| } |
| |
| @Override |
| protected void bindErrorHandlers() { |
| bind(HttpErrorHandler.class).annotatedWith(Redirection.class).to(KeystoneErrorHandler.class); |
| bind(HttpErrorHandler.class).annotatedWith(ClientError.class).to(KeystoneErrorHandler.class); |
| bind(HttpErrorHandler.class).annotatedWith(ServerError.class).to(KeystoneErrorHandler.class); |
| } |
| } |