sshprotocolplugin.java

一个非常好的ssh客户端实现

/******************************************************************************
 *
 * Copyright (c) 1999-2003 AppGate Network Security AB. All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code as
 * defined in and that are subject to the MindTerm Public Source License,
 * Version 2.0, (the 'License'). You may not use this file except in compliance
 * with the License.
 * 
 * You should have received a copy of the MindTerm Public Source License
 * along with this software; see the file LICENSE.  If not, write to
 * AppGate Network Security AB, Otterhallegatan 2, SE-41118 Goteborg, SWEDEN
 *
 *****************************************************************************/

package com.mindbright.ssh;

import java.io.IOException;
import java.util.Hashtable;
import java.util.Enumeration;

public class SSHProtocolPlugin {

  static Hashtable plugins = new Hashtable();

  static {
    SSHProtocolPlugin.addPlugin("general", new SSHProtocolPlugin());
    try {
      SSHProtocolPlugin.addPlugin("ftp", new SSHFtpPlugin());
    } catch (Throwable e) {
      System.out.println("FTP plugin not found, disabled");
    }
  }

  public static SSHProtocolPlugin getPlugin(String name) {
    return (SSHProtocolPlugin)plugins.get(name);
  }

  public static void addPlugin(String name, SSHProtocolPlugin plugin) {
    plugins.put(name, plugin);
  }

  public static void initiateAll(SSHClient client) {
    SSHProtocolPlugin plugin;
    Enumeration e = plugins.elements();
    while(e.hasMoreElements()) {
      plugin = (SSHProtocolPlugin)e.nextElement();
      plugin.initiate(client);
    }
  }

  public void initiate(SSHClient client) {
  }

  public SSHListenChannel localListener(String localHost, int localPort,
					String remoteHost, int remotePort,
					SSHChannelController controller) throws IOException {
    return new SSHListenChannel(localHost, localPort, remoteHost, remotePort, controller);
  }

  public void remoteListener(int remotePort, String localHost, int localPort,
			     SSHChannelController controller) {
  }

}