2015-03-16 07:46:14 +01:00
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/*
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* Copyright 2015 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.dns;
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import io.netty.buffer.ByteBuf;
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import io.netty.util.internal.StringUtil;
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2016-04-12 14:22:41 +02:00
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import io.netty.util.internal.UnstableApi;
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2015-03-16 07:46:14 +01:00
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import static io.netty.util.internal.ObjectUtil.checkNotNull;
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/**
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* The default {@code DnsRawRecord} implementation.
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*/
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2016-04-12 14:22:41 +02:00
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@UnstableApi
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2015-03-16 07:46:14 +01:00
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public class DefaultDnsRawRecord extends AbstractDnsRecord implements DnsRawRecord {
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private final ByteBuf content;
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/**
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* Creates a new {@link #CLASS_IN IN-class} record.
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*
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* @param name the domain name
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* @param type the type of the record
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* @param timeToLive the TTL value of the record
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*/
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public DefaultDnsRawRecord(String name, DnsRecordType type, long timeToLive, ByteBuf content) {
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this(name, type, DnsRecord.CLASS_IN, timeToLive, content);
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}
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/**
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* Creates a new record.
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*
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* @param name the domain name
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* @param type the type of the record
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* @param dnsClass the class of the record, usually one of the following:
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* <ul>
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* <li>{@link #CLASS_IN}</li>
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* <li>{@link #CLASS_CSNET}</li>
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* <li>{@link #CLASS_CHAOS}</li>
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* <li>{@link #CLASS_HESIOD}</li>
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* <li>{@link #CLASS_NONE}</li>
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* <li>{@link #CLASS_ANY}</li>
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* </ul>
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* @param timeToLive the TTL value of the record
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*/
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public DefaultDnsRawRecord(
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String name, DnsRecordType type, int dnsClass, long timeToLive, ByteBuf content) {
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super(name, type, dnsClass, timeToLive);
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this.content = checkNotNull(content, "content");
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}
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@Override
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public ByteBuf content() {
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return content;
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}
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@Override
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public DnsRawRecord copy() {
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return new DefaultDnsRawRecord(name(), type(), dnsClass(), timeToLive(), content().copy());
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}
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@Override
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public DnsRawRecord duplicate() {
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return new DefaultDnsRawRecord(name(), type(), dnsClass(), timeToLive(), content().duplicate());
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}
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@Override
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public int refCnt() {
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return content().refCnt();
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}
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@Override
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public DnsRawRecord retain() {
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content().retain();
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return this;
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}
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@Override
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public DnsRawRecord retain(int increment) {
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content().retain(increment);
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return this;
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}
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@Override
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public boolean release() {
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return content().release();
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}
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@Override
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public boolean release(int decrement) {
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return content().release(decrement);
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}
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@Override
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public DnsRawRecord touch() {
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content().touch();
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return this;
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}
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@Override
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public DnsRawRecord touch(Object hint) {
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content().touch(hint);
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return this;
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}
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@Override
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public String toString() {
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final StringBuilder buf = new StringBuilder(64).append(StringUtil.simpleClassName(this)).append('(');
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final DnsRecordType type = type();
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if (type != DnsRecordType.OPT) {
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buf.append(name().isEmpty()? "<root>" : name())
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.append(' ')
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.append(timeToLive())
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.append(' ');
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DnsMessageUtil.appendRecordClass(buf, dnsClass())
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.append(' ')
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.append(type.name());
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} else {
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buf.append("OPT flags:")
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.append(timeToLive())
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.append(" udp:")
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.append(dnsClass());
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}
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buf.append(' ')
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.append(content().readableBytes())
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.append("B)");
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return buf.toString();
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}
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}
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