io.milton.dns.spi.DNSJavaNameServiceDescriptor Maven / Gradle / Ivy

Go to download
/*
 * Copied from the DnsJava project
 *
 * Copyright (c) 1998-2011, Brian Wellington.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package io.milton.dns.spi;

import java.lang.reflect.Proxy;
import sun.net.spi.nameservice.NameService;
import sun.net.spi.nameservice.NameServiceDescriptor;

/**
 * The descriptor class for the dnsjava name service provider.
 *
 * @author Brian Wellington
 * @author Paul Cowan ([email protected])
 */
public class DNSJavaNameServiceDescriptor implements NameServiceDescriptor {

	private static final NameService nameService;

	static {
		ClassLoader loader = NameService.class.getClassLoader();
		nameService = (NameService) Proxy.newProxyInstance(loader,
				new Class[]{NameService.class},
				new DNSJavaNameService());
	}

	/**
	 * Returns a reference to a dnsjava name server provider.
	 */
	public NameService createNameService() {
		return nameService;
	}

	public String getType() {
		return "dns";
	}

	public String getProviderName() {
		return "dnsjava";
	}
}