| /** |
| * 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.apache.camel.component.dns.types; |
| |
| import java.io.IOException; |
| |
| import org.apache.camel.Converter; |
| import org.xbill.DNS.DClass; |
| import org.xbill.DNS.ExtendedResolver; |
| import org.xbill.DNS.Message; |
| import org.xbill.DNS.Name; |
| import org.xbill.DNS.Record; |
| import org.xbill.DNS.Resolver; |
| import org.xbill.DNS.ReverseMap; |
| import org.xbill.DNS.Section; |
| import org.xbill.DNS.Type; |
| |
| /** |
| * More converters for all the DNS objects used by the DNS component. |
| */ |
| @Converter |
| public final class DnsRecordConverter { |
| |
| private DnsRecordConverter() { |
| } |
| |
| /** |
| * @param ip, like "192.168.1.1" |
| * @return the complete DNS record for that IP. |
| */ |
| @Converter |
| public static Record toRecord(String ip) throws IOException { |
| Resolver res = new ExtendedResolver(); |
| |
| Name name = ReverseMap.fromAddress(ip); |
| int type = Type.PTR; |
| int dclass = DClass.IN; |
| Record rec = Record.newRecord(name, type, dclass); |
| Message query = Message.newQuery(rec); |
| Message response = res.send(query); |
| |
| Record[] answers = response.getSectionArray(Section.ANSWER); |
| if (answers.length == 0) { |
| return null; |
| } else { |
| return answers[0]; |
| } |
| } |
| |
| } |