/*    This file is part of Peers.    This program is free software: you can redistribute it and/or modify    it under the terms of the GNU General Public License as published by    the Free Software Foundation, either version 3 of the License, or    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 General Public License for more details.    You should have received a copy of the GNU General Public License    along with this program.  If not, see <http://www.gnu.org/licenses/>.        Copyright 2007, 2008 Yohann Martineau */package net.sourceforge.peers.sip.transport;import java.io.IOException;import java.net.InetAddress;public abstract class MessageSender {    protected InetAddress inetAddress;    protected int port;    protected int localPort;    protected String contact;        public MessageSender(InetAddress inetAddress, int port) {        super();        this.inetAddress = inetAddress;        this.port = port;    }        public abstract void sendMessage(SipMessage sipMessage) throws IOException;    public String getContact() {        return contact;    }    public int getLocalPort() {        return localPort;    }        }