/**
* 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.vcloud.location;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.Iterables.find;
import java.util.Set;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.jclouds.collect.Memoized;
import org.jclouds.domain.Location;
import org.jclouds.domain.LocationScope;
import org.jclouds.location.suppliers.ImplicitLocationSupplier;
import org.jclouds.vcloud.domain.ReferenceType;
import org.jclouds.vcloud.endpoints.VDC;
import com.google.common.base.Predicate;
import com.google.common.base.Supplier;
@Singleton
public class DefaultVDC implements ImplicitLocationSupplier {
private final Supplier<Set<? extends Location>> locationsSupplier;
private final IsDefaultVDC isDefaultVDC;
@Inject
DefaultVDC(@Memoized Supplier<Set<? extends Location>> locationsSupplier, IsDefaultVDC isDefaultVDC) {
this.locationsSupplier = checkNotNull(locationsSupplier, "locationsSupplierSupplier");
this.isDefaultVDC = checkNotNull(isDefaultVDC, "isDefaultVDC");
}
@Override
public Location get() {
return find(locationsSupplier.get(), isDefaultVDC);
}
@Singleton
public static class IsDefaultVDC implements Predicate<Location> {
private final Supplier<ReferenceType> defaultVDCSupplier;
@Inject
IsDefaultVDC(@VDC Supplier<ReferenceType> defaultVDCSupplier) {
this.defaultVDCSupplier = checkNotNull(defaultVDCSupplier, "defaultVDCSupplier");
}
@Override
public boolean apply(Location input) {
ReferenceType defaultVDC = defaultVDCSupplier.get();
return input.getScope() == LocationScope.ZONE && input.getId().equals(defaultVDC.getHref().toASCIIString());
}
@Override
public String toString() {
return "isDefaultVDC()";
}
}
}