e8efcd82a8
Motivation: We can just use Objects.requireNonNull(...) as a replacement for ObjectUtil.checkNotNull(....) Modifications: - Use Objects.requireNonNull(...) Result: Less code to maintain.
78 lines
2.5 KiB
Java
78 lines
2.5 KiB
Java
/*
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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.resolver.dns;
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import static java.util.Objects.requireNonNull;
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import io.netty.handler.codec.dns.DnsQuestion;
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import io.netty.util.internal.EmptyArrays;
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import io.netty.util.internal.UnstableApi;
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import java.net.InetSocketAddress;
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/**
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* A {@link RuntimeException} raised when {@link DnsNameResolver} failed to perform a successful query.
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*/
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@UnstableApi
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public class DnsNameResolverException extends RuntimeException {
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private static final long serialVersionUID = -8826717909627131850L;
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private final InetSocketAddress remoteAddress;
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private final DnsQuestion question;
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public DnsNameResolverException(InetSocketAddress remoteAddress, DnsQuestion question, String message) {
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super(message);
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this.remoteAddress = validateRemoteAddress(remoteAddress);
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this.question = validateQuestion(question);
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}
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public DnsNameResolverException(
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InetSocketAddress remoteAddress, DnsQuestion question, String message, Throwable cause) {
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super(message, cause);
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this.remoteAddress = validateRemoteAddress(remoteAddress);
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this.question = validateQuestion(question);
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}
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private static InetSocketAddress validateRemoteAddress(InetSocketAddress remoteAddress) {
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return requireNonNull(remoteAddress, "remoteAddress");
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}
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private static DnsQuestion validateQuestion(DnsQuestion question) {
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return requireNonNull(question, "question");
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}
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/**
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* Returns the {@link InetSocketAddress} of the DNS query that has failed.
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*/
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public InetSocketAddress remoteAddress() {
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return remoteAddress;
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}
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/**
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* Returns the {@link DnsQuestion} of the DNS query that has failed.
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*/
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public DnsQuestion question() {
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return question;
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}
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@Override
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public Throwable fillInStackTrace() {
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setStackTrace(EmptyArrays.EMPTY_STACK_TRACE);
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return this;
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}
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}
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