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.googlecomputeengine.compute.domain.internal; import static com.google.common.base.Preconditions.checkArgument; import static com.google.common.base.Preconditions.checkNotNull; import com.google.auto.value.AutoValue; import com.google.common.base.Splitter; import com.google.common.collect.Iterables; /** * Helpful when looking for resources by region and name */ @AutoValue public abstract class RegionAndName { public abstract String regionId(); public abstract String name(); RegionAndName() { } public static RegionAndName fromSlashEncoded(String name) { Iterable<String> parts = Splitter.on('/').split(checkNotNull(name, "name")); checkArgument(Iterables.size(parts) == 2, "name must be in format regionId/name"); return fromRegionAndName(Iterables.get(parts, 0), Iterables.get(parts, 1)); } public static RegionAndName fromRegionAndName(String regionId, String name) { return new AutoValue_RegionAndName(regionId, name); } public String slashEncode() { return regionId() + "/" + name(); } }