/* * Copyright 2004-2005 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *      http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package net.sf.jml;/** * Msn connection type. *  * @author Roger Chen */public final class MsnConnectionType {    public static final MsnConnectionType DIRECT = new MsnConnectionType(            "Direct");    public static final MsnConnectionType NAT = new MsnConnectionType("NAT");    public static final MsnConnectionType UPNP = new MsnConnectionType("UPnP");    private String s;    private MsnConnectionType(String s) {        this.s = s;    }    @Override	public String toString() {        return s;    }}