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.rackspace.clouddns.v1.functions; import java.util.Map; import java.util.Set; import org.jclouds.rackspace.clouddns.v1.domain.Domain; import com.google.common.base.Function; import com.google.common.collect.Maps; /** * Functions for working with Domains. * * @author Everett Toews */ public class DomainFunctions { /** * Take a Set of Domains and return a Map of domain name to the Domain. */ public static Map<String, Domain> toDomainMap(Set<Domain> domains) { return Maps.uniqueIndex(domains, DomainFunctions.GET_DOMAIN_NAME); } /** * Take a Domain and return its name. */ public static final Function<Domain, String> GET_DOMAIN_NAME = new Function<Domain, String>() { public String apply(Domain domain) { return domain.getName(); } }; }