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jsync.io is a non-blocking, event-driven networking framework for Java

There is a newer version: 1.10.13

/*
 * Copyright (c) 2011-2013 The original author or authors
 * ------------------------------------------------------
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Apache License v2.0 which accompanies this distribution.
 *
 *     The Eclipse Public License is available at
 *     http://www.eclipse.org/legal/epl-v10.html
 *
 *     The Apache License v2.0 is available at
 *     http://www.opensource.org/licenses/apache2.0.php
 *
 * You may elect to redistribute this code under either of these licenses.
 */
package io.jsync.dns;

/**
 * Exception which is used to notify the {@link io.jsync.AsyncResult}
 * if the DNS query returns a {@link DnsResponseCode} which indicates and error.
 *
 * @author Norman Maurer
 */
public final class DnsException extends Exception {

  private DnsResponseCode code;

  public DnsException(DnsResponseCode code) {
    if (code == null) {
      throw new NullPointerException("code");
    }
    this.code = code;
  }

  /**
   * The {@link DnsResponseCode} which caused this {@link DnsException} to be created.
   */
  public DnsResponseCode code() {
    return code;
  }
}