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jclouds components to access UltraDNS Web Services 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.ultradns.ws.binders;

import static java.lang.String.format;

import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;

import org.jclouds.http.HttpRequest;
import org.jclouds.rest.MapBinder;
import org.jclouds.ultradns.ws.domain.DirectionalGroup;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Joiner;

/**
 * 
 * @author Adrian Cole
 */
public class UpdateDirectionalDNSGroupToXML implements MapBinder {

   @SuppressWarnings("unchecked")
   @Override
   public  R bindToRequest(R request, Map postParams) {
      DirectionalGroup group = DirectionalGroup.class.cast(postParams.get("group"));
      String xml = toXML(postParams.get("dirPoolRecordId"), group);
      return (R) request.toBuilder().payload(xml).build();
   }

   private static final String template = "%s%s";

   @VisibleForTesting
   static String toXML(Object dirPoolRecordId, DirectionalGroup group) {
      return format(template, dirPoolRecordId, geo(group));
   }

   private static String geo(DirectionalGroup group) {
      StringBuilder groupData = new StringBuilder();
      groupData.append("");
      for (Entry> region : group.asMap().entrySet()) {
         groupData.append("");
      }
      groupData.append("");
      return groupData.toString();
   }

   @Override
   public  R bindToRequest(R request, Object input) {
      throw new UnsupportedOperationException("use map form");
   }
}