org.jclouds.vcloud.functions.OrgsForLocations Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of vcloud Show documentation

jclouds components to access an implementation of VMWare vCloud

The newest version!

/*
 * 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.vcloud.functions;

import static com.google.common.collect.Iterables.transform;

import java.net.URI;

import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Singleton;

import org.jclouds.domain.Location;
import org.jclouds.domain.LocationScope;
import org.jclouds.logging.Logger;
import org.jclouds.vcloud.VCloudApi;
import org.jclouds.vcloud.domain.Org;

import com.google.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.collect.FluentIterable;

@Singleton
public class OrgsForLocations implements Function, Iterable> {
   @Resource
   public Logger logger = Logger.NULL;
   private final VCloudApi aclient;

   @Inject
   OrgsForLocations(VCloudApi aclient) {
      this.aclient = aclient;
   }

   /**
    * Zones are assignable, but we want regions. so we look for zones, whose
    * parent is region. then, we use a set to extract the unique set.
    */
   @Override
   public Iterable apply(Iterable from) {
      FluentIterable uris = FluentIterable.from(from).filter(new Predicate() {
         public boolean apply(Location input) {
            return input.getScope() == LocationScope.ZONE;
         }
      }).transform(new Function() {
         public URI apply(Location from) {
            return URI.create(from.getParent().getId());
         }
      });
      return transform(uris, new Function() {
         public Org apply(URI from) {
            return aclient.getOrgApi().getOrg(from);
         }
      });
   }

}