Java tutorial
/* * Copyright 2015 The Netty Project * * The Netty Project 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 io.netty.handler.codec.dns; import io.netty.util.internal.UnstableApi; import static io.netty.util.internal.ObjectUtil.checkNotNull; /** * The default {@link DnsResponse} implementation. */ @UnstableApi public class DefaultDnsResponse extends AbstractDnsMessage implements DnsResponse { private boolean authoritativeAnswer; private boolean truncated; private boolean recursionAvailable; private DnsResponseCode code; /** * Creates a new instance with the {@link DnsOpCode#QUERY} {@code opCode} and * the {@link DnsResponseCode#NOERROR} {@code RCODE}. * * @param id the {@code ID} of the DNS response */ public DefaultDnsResponse(int id) { this(id, DnsOpCode.QUERY, DnsResponseCode.NOERROR); } /** * Creates a new instance with the {@link DnsResponseCode#NOERROR} {@code RCODE}. * * @param id the {@code ID} of the DNS response * @param opCode the {@code opCode} of the DNS response */ public DefaultDnsResponse(int id, DnsOpCode opCode) { this(id, opCode, DnsResponseCode.NOERROR); } /** * Creates a new instance. * * @param id the {@code ID} of the DNS response * @param opCode the {@code opCode} of the DNS response * @param code the {@code RCODE} of the DNS response */ public DefaultDnsResponse(int id, DnsOpCode opCode, DnsResponseCode code) { super(id, opCode); setCode(code); } @Override public boolean isAuthoritativeAnswer() { return authoritativeAnswer; } @Override public DnsResponse setAuthoritativeAnswer(boolean authoritativeAnswer) { this.authoritativeAnswer = authoritativeAnswer; return this; } @Override public boolean isTruncated() { return truncated; } @Override public DnsResponse setTruncated(boolean truncated) { this.truncated = truncated; return this; } @Override public boolean isRecursionAvailable() { return recursionAvailable; } @Override public DnsResponse setRecursionAvailable(boolean recursionAvailable) { this.recursionAvailable = recursionAvailable; return this; } @Override public DnsResponseCode code() { return code; } @Override public DnsResponse setCode(DnsResponseCode code) { this.code = checkNotNull(code, "code"); return this; } @Override public DnsResponse setId(int id) { return (DnsResponse) super.setId(id); } @Override public DnsResponse setOpCode(DnsOpCode opCode) { return (DnsResponse) super.setOpCode(opCode); } @Override public DnsResponse setRecursionDesired(boolean recursionDesired) { return (DnsResponse) super.setRecursionDesired(recursionDesired); } @Override public DnsResponse setZ(int z) { return (DnsResponse) super.setZ(z); } @Override public DnsResponse setRecord(DnsSection section, DnsRecord record) { return (DnsResponse) super.setRecord(section, record); } @Override public DnsResponse addRecord(DnsSection section, DnsRecord record) { return (DnsResponse) super.addRecord(section, record); } @Override public DnsResponse addRecord(DnsSection section, int index, DnsRecord record) { return (DnsResponse) super.addRecord(section, index, record); } @Override public DnsResponse clear(DnsSection section) { return (DnsResponse) super.clear(section); } @Override public DnsResponse clear() { return (DnsResponse) super.clear(); } @Override public DnsResponse touch() { return (DnsResponse) super.touch(); } @Override public DnsResponse touch(Object hint) { return (DnsResponse) super.touch(hint); } @Override public DnsResponse retain() { return (DnsResponse) super.retain(); } @Override public DnsResponse retain(int increment) { return (DnsResponse) super.retain(increment); } @Override public String toString() { return DnsMessageUtil.appendResponse(new StringBuilder(128), this).toString(); } }