| /** |
| * 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.location.suppliers.all; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Preconditions.checkState; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.domain.Location; |
| import org.jclouds.domain.LocationBuilder; |
| import org.jclouds.domain.LocationScope; |
| import org.jclouds.location.Iso3166; |
| import org.jclouds.location.Region; |
| import org.jclouds.location.suppliers.LocationsSupplier; |
| |
| import com.google.common.base.Supplier; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.ImmutableSet.Builder; |
| import com.google.common.collect.Iterables; |
| |
| /** |
| * |
| * @author Adrian Cole |
| */ |
| @Singleton |
| public class RegionToProvider implements LocationsSupplier { |
| private final JustProvider justProvider; |
| private final Supplier<Set<String>> regionsSupplier; |
| private final Supplier<Map<String, Supplier<Set<String>>>> isoCodesByIdSupplier; |
| |
| @Inject |
| public RegionToProvider(JustProvider justProvider, @Region Supplier<Set<String>> regionsSupplier, |
| @Iso3166 Supplier<Map<String, Supplier<Set<String>>>> isoCodesByIdSupplier) { |
| this.justProvider = checkNotNull(justProvider, "justProvider"); |
| this.regionsSupplier = checkNotNull(regionsSupplier, "regionsSupplier"); |
| this.isoCodesByIdSupplier = checkNotNull(isoCodesByIdSupplier, "isoCodesByIdSupplier"); |
| } |
| |
| @Override |
| public Set<? extends Location> get() { |
| Builder<Location> locations = ImmutableSet.builder(); |
| Location provider = Iterables.getOnlyElement(justProvider.get()); |
| Set<String> regions = regionsSupplier.get(); |
| checkState(regions.size() > 0, "no regions found for provider %s, using supplier %s", provider, regionsSupplier); |
| Map<String, Supplier<Set<String>>> isoCodesById = isoCodesByIdSupplier.get(); |
| for (String region : regions) { |
| LocationBuilder builder = new LocationBuilder().scope(LocationScope.REGION).id(region).description(region) |
| .parent(provider); |
| if (isoCodesById.containsKey(region)) |
| builder.iso3166Codes(isoCodesById.get(region).get()); |
| locations.add(builder.build()); |
| } |
| return locations.build(); |
| } |
| |
| } |