apis/cloudsigma/src/main/java/org/jclouds/cloudsigma/functions/MapToServerInfo.java

/**
 * 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.Date;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

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

import org.jclouds.cloudsigma.domain.Device;
import org.jclouds.cloudsigma.domain.NIC;
import org.jclouds.cloudsigma.domain.ServerInfo;
import org.jclouds.cloudsigma.domain.ServerMetrics;
import org.jclouds.cloudsigma.domain.ServerStatus;
import org.jclouds.cloudsigma.domain.VNC;

import com.google.common.base.Function;
import com.google.common.base.Splitter;
import com.google.common.collect.Maps;

/**
 * 
 * @author Adrian Cole
 */
@Singleton
public class MapToServerInfo implements Function<Map<String, String>, ServerInfo> {
   private final Function<Map<String, String>, Map<String, ? extends Device>> mapToDevices;
   private final Function<Map<String, String>, ServerMetrics> mapToMetrics;
   private final Function<Map<String, String>, List<NIC>> mapToNICs;

   @Inject
   public MapToServerInfo(Function<Map<String, String>, Map<String, ? extends Device>> mapToDevices,
         Function<Map<String, String>, ServerMetrics> mapToMetrics, Function<Map<String, String>, List<NIC>> mapToNICs) {
      this.mapToDevices = mapToDevices;
      this.mapToMetrics = mapToMetrics;
      this.mapToNICs = mapToNICs;
   }

   @Override
   public ServerInfo apply(Map<String, String> from) {
      if (from.size() == 0)
         return null;
      ServerInfo.Builder builder = new ServerInfo.Builder();
      builder.name(from.get("name"));
      builder.description(from.get("description"));
      builder.persistent(Boolean.parseBoolean(from.get("persistent")));
      if (from.containsKey("use"))
         builder.use(Splitter.on(' ').split(from.get("use")));
      if (from.containsKey("status"))
         builder.status(ServerStatus.fromValue(from.get("status")));
      if (from.containsKey("smp") && !"auto".equals(from.get("smp")))
         builder.smp(Integer.valueOf(from.get("smp")));
      builder.cpu(Integer.parseInt(from.get("cpu")));
      builder.mem(Integer.parseInt(from.get("mem")));
      builder.user(from.get("user"));
      if (from.containsKey("started"))
         builder.started(new Date(Long.valueOf(from.get("started"))));
      builder.uuid(from.get("server"));
      builder.vnc(new VNC(from.get("vnc:ip"), from.get("vnc:password"), from.containsKey("vnc:tls")
            && Boolean.valueOf(from.get("vnc:tls"))));
      if (from.containsKey("boot"))
         builder.bootDeviceIds(Splitter.on(' ').split(from.get("boot")));

      Map<String, String> metadata = Maps.newLinkedHashMap();
      for (Entry<String, String> entry : from.entrySet()) {
         if (entry.getKey().startsWith("user:"))
            metadata.put(entry.getKey().substring(entry.getKey().indexOf(':') + 1), entry.getValue());
      }
      builder.nics(mapToNICs.apply(from));
      builder.devices(mapToDevices.apply(from));
      builder.metrics(mapToMetrics.apply(from));
      return builder.build();
   }
}