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/*
 * 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.openstack.nova.v2_0.binders;

import static shaded.com.google.common.base.Preconditions.checkArgument;
import static shaded.com.google.common.base.Preconditions.checkNotNull;
import static shaded.com.google.common.base.Predicates.instanceOf;
import static shaded.com.google.common.collect.Iterables.find;

import java.util.Map;

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

import org.jclouds.http.HttpRequest;
import org.jclouds.json.Json;
import org.jclouds.openstack.nova.v2_0.domain.Ingress;
import org.jclouds.rest.MapBinder;
import org.jclouds.rest.binders.BindToJsonPayload;
import org.jclouds.rest.internal.GeneratedHttpRequest;

import shaded.com.google.common.collect.ImmutableMap;
import shaded.com.google.common.collect.ImmutableMap.Builder;

@Singleton
public class BindSecurityGroupRuleToJsonPayload extends BindToJsonPayload implements MapBinder {
   @Inject
   public BindSecurityGroupRuleToJsonPayload(Json jsonBinder) {
      super(jsonBinder);
   }

   @Override
   public  R bindToRequest(R request, Map postParams) {
      Builder payload = ImmutableMap.builder();
      payload.putAll(postParams);
      checkArgument(checkNotNull(request, "request") instanceof GeneratedHttpRequest,
               "this binder is only valid for GeneratedHttpRequests!");
      GeneratedHttpRequest gRequest = (GeneratedHttpRequest) request;

      Ingress ingress = Ingress.class.cast(find(gRequest.getInvocation().getArgs(), instanceOf(Ingress.class)));
      payload.put("ip_protocol", ingress.getIpProtocol().toString());
      payload.put("from_port", ingress.getFromPort() + "");
      payload.put("to_port", ingress.getToPort() + "");

      return super.bindToRequest(request, ImmutableMap.of("security_group_rule", payload.build()));
   }
}