nntptransport.java

java 开发的一个电子邮局,挺实用的

/*
 * NNTPTransport.java
 * Copyright (C) 1999 dog <[e-mail]>
 * 
 * This library 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 of the License, or (at your option) any later version.
 * 
 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 * You may retrieve the latest version of this library from
 * http://www.dog.net.uk/knife/
 */

package dog.mail.nntp;

import java.io.*;
import java.net.*;
import java.util.*;
import javax.mail.*;
import javax.mail.event.*;
import javax.mail.internet.*;
import dog.mail.util.*;
import dog.util.*;

/**
 * The transport class implementing the NNTP Usenet news protocol.
 *
 * @author [e-mail]
 * @version 1.2
 */
public class NNTPTransport extends Transport {
	
	NNTPStore store;
	
	public NNTPTransport(Session session, URLName urlname) {
		super(session, urlname);
	}
	
	public boolean protocolConnect(String host, int port, String user, String password) throws MessagingException {
		try {
			InetAddress address = InetAddress.getByName(host);
			store = NNTPStore.getStore(address, port);
			if (store==null) {
				store = new NNTPStore(session, url);
				return store.protocolConnect(host, port, user, password);
			}
			return true;
		} catch (UnknownHostException e) {
			throw new MessagingException(e.getMessage(), e);
		}
	}
	
	public void sendMessage(Message message, Address[] addresses) throws MessagingException {
		store.postArticle(message, addresses);
	}
	
}