org.jclouds.ecs.compute.functions.OptionToLocation.java Source code

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Here is the source code for org.jclouds.ecs.compute.functions.OptionToLocation.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.ecs.compute.functions;

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

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.ecs.domain.Option;
import org.jclouds.location.Iso3166;
import org.jclouds.location.suppliers.all.JustProvider;

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

@Singleton
public class OptionToLocation implements Function<Option, Location> {
    private final Location provider;
    private final Supplier<Map<String, Supplier<Set<String>>>> isoCodesByIdSupplier;

    @Inject
    OptionToLocation(JustProvider justProvider,
            @Iso3166 Supplier<Map<String, Supplier<Set<String>>>> isoCodesByIdSupplier) {
        this.provider = Iterables.getOnlyElement(justProvider.get());
        this.isoCodesByIdSupplier = checkNotNull(isoCodesByIdSupplier, "isoCodesByIdSupplier");
    }

    @Override
    public Location apply(Option from) {
        LocationBuilder builder = new LocationBuilder().scope(LocationScope.ZONE).id(from.getId() + "")
                .description(from.getDescription()).parent(provider);
        Map<String, Supplier<Set<String>>> isoCodesById = isoCodesByIdSupplier.get();
        if (isoCodesById.containsKey(from.getId() + ""))
            builder.iso3166Codes(isoCodesById.get(from.getId() + "").get());
        return builder.build();
    }
}