Java tutorial
/** * * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com> * * ==================================================================== * Licensed 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.gogrid.compute.suppliers; import static com.google.common.base.Preconditions.checkNotNull; import java.net.URI; 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.gogrid.GoGridClient; import org.jclouds.gogrid.domain.Option; import org.jclouds.location.Iso3166; import org.jclouds.location.Provider; import org.jclouds.location.suppliers.JustProvider; import com.google.common.collect.ImmutableSet; import com.google.common.collect.Iterables; import com.google.common.collect.ImmutableSet.Builder; /** * * @author Adrian Cole */ @Singleton public class GoGridLocationSupplier extends JustProvider { private final GoGridClient sync; private final Map<String, Set<String>> isoCodesById; @Inject GoGridLocationSupplier(@Iso3166 Set<String> isoCodes, @Provider String providerName, @Provider URI endpoint, GoGridClient sync, @Iso3166 Map<String, Set<String>> isoCodesById) { super(isoCodes, providerName, endpoint); this.sync = checkNotNull(sync, "sync"); this.isoCodesById = checkNotNull(isoCodesById, "isoCodesById"); } @Override public Set<? extends Location> get() { Builder<Location> locations = ImmutableSet.builder(); Set<Option> list = sync.getServerServices().getDatacenters(); Location provider = Iterables.getOnlyElement(super.get()); if (list.size() == 0) locations.add(provider); else for (Option from : list) { LocationBuilder builder = new LocationBuilder().scope(LocationScope.ZONE).id(from.getId() + "") .description(from.getDescription()).parent(provider); if (isoCodesById.containsKey(from.getId() + "")) builder.iso3166Codes(isoCodesById.get(from.getId() + "")); locations.add(builder.build()); } return locations.build(); } }