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Common and utility library for the Service Grid Server Software and java web services.

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/*
 * $Id: DNSUtil.java 872 2013-04-29 09:29:55Z t-nakaguchi $
 * 
 * This is a program for Language Grid Core Node. This combines multiple language resources and provides composite language services.
 * Copyright (C) 2008 NICT Language Grid Project.
 *
 * This program is free software: you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by 
 * the Free Software Foundation, either version 2.1 of the License, or (at 
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this program. If not, see .
 */
package jp.go.nict.langrid.commons.net;

import java.lang.reflect.InvocationTargetException;
import java.util.List;

import jp.go.nict.langrid.commons.lang.ObjectUtil;
import jp.go.nict.langrid.commons.util.ListUtil;

/**
 * 
 * 
 * @author $Author: t-nakaguchi $
 * @version $Revision: 872 $
 */
public class DNSUtil {
	/**
	 * 
	 * 
	 */
	@SuppressWarnings("unchecked")
	public static List listSuffixes(){
		try{
			Class c = Class.forName("sun.net.dns.ResolverConfiguration");
			return (List)ObjectUtil.invoke(
					ObjectUtil.invoke(c, "open"), "searchlist"
					);
		} catch(ClassNotFoundException ex){
		} catch(IllegalAccessException ex){
		} catch(InvocationTargetException ex){
		} catch(NoSuchMethodException ex){
		}
		return ListUtil.newArrayList();
	}
}