io.vertx.core.dns.DnsException Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2019 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.core.dns;
import io.vertx.core.impl.NoStackTraceThrowable;
import java.util.Objects;
/**
* Exception which is used to notify the {@link io.vertx.core.AsyncResult}
* if the DNS query returns a {@link DnsResponseCode} which indicates and error.
*
* @author Norman Maurer
*/
public final class DnsException extends NoStackTraceThrowable {
private static final String ERROR_MESSAGE_PREFIX = "DNS query error occurred: ";
private DnsResponseCode code;
public DnsException(DnsResponseCode code) {
super(ERROR_MESSAGE_PREFIX + code);
Objects.requireNonNull(code, "code");
this.code = code;
}
/**
* The {@link DnsResponseCode} which caused this {@link io.vertx.core.dns.DnsException} to be created.
*/
public DnsResponseCode code() {
return code;
}
}