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.StringUtil; import io.netty.util.internal.UnstableApi; /** * The default {@link DnsQuestion} implementation. */ @UnstableApi public class DefaultDnsQuestion extends AbstractDnsRecord implements DnsQuestion { /** * Creates a new {@link #CLASS_IN IN-class} question. * * @param name the domain name of the DNS question * @param type the type of the DNS question */ public DefaultDnsQuestion(String name, DnsRecordType type) { super(name, type, 0); } /** * Creates a new question. * * @param name the domain name of the DNS question * @param type the type of the DNS question * @param dnsClass the class of the record, usually one of the following: * <ul> * <li>{@link #CLASS_IN}</li> * <li>{@link #CLASS_CSNET}</li> * <li>{@link #CLASS_CHAOS}</li> * <li>{@link #CLASS_HESIOD}</li> * <li>{@link #CLASS_NONE}</li> * <li>{@link #CLASS_ANY}</li> * </ul> */ public DefaultDnsQuestion(String name, DnsRecordType type, int dnsClass) { super(name, type, dnsClass, 0); } @Override public String toString() { StringBuilder buf = new StringBuilder(64); buf.append(StringUtil.simpleClassName(this)).append('(').append(name()).append(' '); DnsMessageUtil.appendRecordClass(buf, dnsClass()).append(' ').append(type().name()).append(')'); return buf.toString(); } }