io.vertx.core.dns.impl.netty.decoder.DomainDecoder Maven / Gradle / Ivy
/*
* Copyright (c) 2013 The Netty Project
* ------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.vertx.core.dns.impl.netty.decoder;
import io.vertx.core.dns.impl.netty.DnsResource;
import io.vertx.core.dns.impl.netty.DnsResponse;
import io.vertx.core.dns.impl.netty.DnsResponseDecoder;
/**
* Decodes any record that simply returns a domain name, such as NS (name
* server) and CNAME (canonical name) resource records.
*/
public class DomainDecoder implements RecordDecoder {
/**
* Returns the decoded domain name for a resource record.
*
* @param response
* the {@link io.vertx.core.dns.impl.netty.DnsResponse} received that contained the resource
* record being decoded
* @param resource
* the {@link DnsResource} being decoded
*/
@Override
public String decode(DnsResponse response, DnsResource resource) {
return DnsResponseDecoder.getName(response.content(), resource.contentIndex());
}
}