/*
* 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.rackspace.clouddns.v1.functions;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.jclouds.rackspace.clouddns.v1.functions.ParseRecord.toRecordDetails;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.functions.ParseJson;
import org.jclouds.rackspace.clouddns.v1.domain.RecordDetail;
import org.jclouds.rackspace.clouddns.v1.functions.ParseRecord.RawRecord;
import com.google.common.base.Function;
import com.google.common.collect.Iterables;
/**
* @author Everett Toews
*/
public class ParseOnlyRecord implements Function<HttpResponse, RecordDetail> {
private final ParseJson<Map<String, List<RawRecord>>> json;
@Inject
ParseOnlyRecord(ParseJson<Map<String, List<RawRecord>>> json) {
this.json = checkNotNull(json, "json");
}
@Override
public RecordDetail apply(HttpResponse response) {
Map<String, List<RawRecord>> records = json.apply(response);
if (records == null)
return null;
RawRecord rawRecord = Iterables.getOnlyElement(records.get("records"));
return toRecordDetails.apply(rawRecord);
}
}