Package org.jclouds.googlecomputeengine.handlers

Source Code of org.jclouds.googlecomputeengine.handlers.MetadataBinder

/*
* 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.googlecomputeengine.handlers;

import static com.google.common.base.Preconditions.checkNotNull;

import java.util.Map;

import javax.inject.Inject;

import org.jclouds.googlecomputeengine.domain.Metadata;
import org.jclouds.http.HttpRequest;
import org.jclouds.rest.MapBinder;
import org.jclouds.rest.binders.BindToJsonPayload;

import com.google.common.collect.ImmutableMap;

/**
* @author David Alves
*/
public class MetadataBinder implements MapBinder {

   @Inject
   private BindToJsonPayload jsonBinder;

   /**
    * {@inheritDoc}
    */
   @Override
   public <R extends HttpRequest> R bindToRequest(R request, Map<String, Object> postParams) {
      Map<String, String> items = ImmutableMap.copyOf((Map<String,String>)checkNotNull(postParams.get("items"), "item"));
      String fingerprint = (String) checkNotNull(postParams.get("fingerprint"), "fingerprint");
      Metadata metadata = Metadata.builder()
              .fingerprint(fingerprint)
              .items(items)
              .build();
      return bindToRequest(request, metadata);
   }

   /**
    * {@inheritDoc}
    */
   @Override
   public <R extends HttpRequest> R bindToRequest(R request, Object input) {
      return jsonBinder.bindToRequest(request, input);
   }

}
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