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ComputeService binding to the CloudSigma API

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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.cloudsigma.functions;

import java.util.Map;

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

import org.jclouds.cloudsigma.domain.VLANInfo;
import org.jclouds.logging.Logger;

import com.google.common.base.Function;

/**
 * 
 * @author Adrian Cole
 */
@Singleton
public class MapToVLANInfo implements Function, VLANInfo> {

   @Resource
   protected Logger logger = Logger.NULL;

   @Override
   public VLANInfo apply(Map from) {
      if (from.size() == 0)
         return null;
      if (from.size() == 0)
         return null;
      VLANInfo.Builder builder = new VLANInfo.Builder();
      builder.uuid(from.get("resource"));
      builder.name(from.get("name"));
      builder.user(from.get("user"));
     try {
         return builder.build();
      } catch (NullPointerException e) {
         logger.trace("entry missing data: %s; %s", e.getMessage(), from);
         return null;
      }
   }
}