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.trmk.vcloud_0_8.location; 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.location.Iso3166; import org.jclouds.location.Provider; import org.jclouds.location.suppliers.LocationsSupplier; import org.jclouds.location.suppliers.all.JustProvider; import org.jclouds.trmk.vcloud_0_8.domain.Org; import org.jclouds.trmk.vcloud_0_8.domain.ReferenceType; 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 OrgAndVDCToLocationSupplier extends JustProvider implements LocationsSupplier { private final Supplier<Map<String, ReferenceType>> orgNameToResource; private final Supplier<Map<String, ? extends Org>> orgNameToVDCResource; private final Supplier<Map<String, Supplier<Set<String>>>> isoCodesByIdSupplier; @Inject OrgAndVDCToLocationSupplier(@Iso3166 Set<String> isoCodes, @Provider String providerName, @Provider Supplier<URI> endpoint, @org.jclouds.trmk.vcloud_0_8.endpoints.Org Supplier<Map<String, ReferenceType>> orgNameToResource, Supplier<Map<String, ? extends Org>> orgNameToVDCResource, @Iso3166 Supplier<Map<String, Supplier<Set<String>>>> isoCodesByIdSupplier) { super(providerName, endpoint, isoCodes); this.orgNameToResource = checkNotNull(orgNameToResource, "orgNameToResource"); this.orgNameToVDCResource = checkNotNull(orgNameToVDCResource, "orgNameToVDCResource"); this.isoCodesByIdSupplier = checkNotNull(isoCodesByIdSupplier, "isoCodesByIdSupplier"); } @Override public Set<? extends Location> get() { return buildJustProviderOrVDCs().build(); } protected Builder<Location> buildJustProviderOrVDCs() { Builder<Location> locations = ImmutableSet.builder(); Location provider = Iterables.getOnlyElement(super.get()); if (orgNameToResource.get().size() == 0) return locations.add(provider); Map<String, Supplier<Set<String>>> isoCodesById = isoCodesByIdSupplier.get(); for (ReferenceType org : orgNameToResource.get().values()) { LocationBuilder builder = new LocationBuilder().scope(LocationScope.REGION) .id(org.getHref().toASCIIString()).description(org.getName()).parent(provider); if (isoCodesById.containsKey(org.getHref().toASCIIString())) builder.iso3166Codes(isoCodesById.get(org.getHref().toASCIIString()).get()); Location orgL = builder.build(); for (ReferenceType vdc : orgNameToVDCResource.get().get(org.getName()).getVDCs().values()) { builder = new LocationBuilder().scope(LocationScope.ZONE).id(vdc.getHref().toASCIIString()) .description(vdc.getName()).parent(orgL); if (isoCodesById.containsKey(vdc.getHref().toASCIIString())) builder.iso3166Codes(isoCodesById.get(vdc.getHref().toASCIIString()).get()); locations.add(builder.build()); } } return locations; } }