org.jclouds.cloudstack.compute.functions.ZoneToLocation.java Source code

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Here is the source code for org.jclouds.cloudstack.compute.functions.ZoneToLocation.java

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/*
 * 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.cloudstack.compute.functions;

import static com.google.common.base.Preconditions.checkNotNull;

import javax.inject.Inject;

import org.jclouds.cloudstack.domain.Zone;
import org.jclouds.domain.Location;
import org.jclouds.domain.LocationBuilder;
import org.jclouds.domain.LocationScope;
import org.jclouds.location.suppliers.all.JustProvider;

import com.google.common.base.Function;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;

/**
 * Converts an Zone into a Location.
 */
public class ZoneToLocation implements Function<Zone, Location> {
    private final JustProvider provider;

    // allow us to lazy discover the provider of a resource
    @Inject
    public ZoneToLocation(JustProvider provider) {
        this.provider = checkNotNull(provider, "provider");
    }

    @Override
    public Location apply(Zone zone) {
        return new LocationBuilder().scope(LocationScope.ZONE).metadata(ImmutableMap.<String, Object>of())
                .description(zone.getName()).id(zone.getId()).parent(Iterables.getOnlyElement(provider.get()))
                .build();
    }

}