/**
 * 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.gogrid.functions;

import java.util.SortedSet;

import javax.inject.Inject;

import org.jclouds.gogrid.domain.internal.ErrorResponse;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.functions.ParseJson;

import com.google.common.base.Function;
import com.google.inject.Singleton;

/**
 * Parses {@link org.jclouds.gogrid.domain.internal.ErrorResponse error
 * response} from a json string.
 * 
 * GoGrid may return multiple error objects, if multiple errors were found.
 * 
 * @author Oleksiy Yarmula
 */
@Singleton
public class ParseErrorFromJsonResponse implements
      Function<HttpResponse, SortedSet<ErrorResponse>> {

   private final ParseJson<GenericResponseContainer<ErrorResponse>> json;

   @Inject
   ParseErrorFromJsonResponse(
         ParseJson<GenericResponseContainer<ErrorResponse>> json) {
      this.json = json;
   }

   @Override
   public SortedSet<ErrorResponse> apply(HttpResponse arg0) {
      return json.apply(arg0).getList();
   }

}
