/**
 * 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.cloudfiles.blobstore.functions;

import java.net.URI;

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

import org.jclouds.cloudfiles.CloudFilesClient;

import com.google.common.base.Function;
import com.google.common.cache.LoadingCache;

/**
 * 
 * @author Adrian Cole
 */
@Singleton
public class EnableCDNAndCache implements Function<String, URI> {
   private final LoadingCache<String, URI> cdnContainer;
   private final CloudFilesClient sync;

   @Inject
   public EnableCDNAndCache(CloudFilesClient sync, LoadingCache<String, URI> cdnContainer) {
      this.sync = sync;
      this.cdnContainer = cdnContainer;
   }

   @Override
   public URI apply(String input) {
      URI uri = sync.enableCDN(input);
      cdnContainer.put(input, uri);
      return uri;
   }

}