org.jclouds.rimuhosting.miro.location.RimuHostingDefaultLocationSupplier.java Source code

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Here is the source code for org.jclouds.rimuhosting.miro.location.RimuHostingDefaultLocationSupplier.java

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/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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.rimuhosting.miro.location;

import static com.google.common.base.Preconditions.checkNotNull;
import static org.jclouds.compute.config.ComputeServiceProperties.TEMPLATE;

import java.util.Map;
import java.util.Set;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import org.jclouds.collect.Memoized;
import org.jclouds.domain.Location;
import org.jclouds.location.suppliers.ImplicitLocationSupplier;

import com.google.common.base.Predicate;
import com.google.common.base.Splitter;
import com.google.common.base.Supplier;
import com.google.common.collect.Iterables;

/**
 * 
 * @author Adrian Cole
 */
@Singleton
public class RimuHostingDefaultLocationSupplier implements ImplicitLocationSupplier {
    private final Supplier<Set<? extends Location>> locations;
    private final String defaultDC;

    @Inject
    RimuHostingDefaultLocationSupplier(@Memoized Supplier<Set<? extends Location>> locations,
            @Named(TEMPLATE) String template) {
        this.locations = locations;
        Map<String, String> map = Splitter.on(',').trimResults().withKeyValueSeparator("=").split(template);
        // TODO: move to real ImplicitLocationSupplier
        this.defaultDC = checkNotNull(map.get("locationId"), "locationId not in % value: %s", TEMPLATE, template);
    }

    @Override
    public Location get() {
        return Iterables.find(locations.get(), new Predicate<Location>() {

            @Override
            public boolean apply(Location input) {
                return input.getId().equals(defaultDC);
            }

        });
    }
}