//
// SwitchRMI  Framework
// Copyright (c) 2000-2002 by Michael J. Henderson & Associates.
//
// Michael Henderson
// http://switchrmi.sf.net
// mailto:mikehenderson@dunelm.org.uk
//
// This library is free software.
//
// You may redistribute it and/or modify it under the terms of the GNU
// Lesser General Public License as published by the Free Software Foundation.
//
// Version 2.1 of the license should be included with this distribution in
// the file LICENSE, as well as License.html. If the license is not
// included with this distribution, you may find a copy at the FSF web
// site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
// Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied waranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// $Id: RmiClientInvocationHandler.java,v 1.1 2002/11/11 22:19:48 mikehenderson Exp $
//
package com.mjh.switchrmi;

import java.lang.reflect.Method;

import java.util.HashMap;

import javax.naming.*;

import org.apache.log4j.Logger;

public class RmiClientInvocationHandler
    extends RmiInvocationHandlerBase
{
    private static final Logger log = 
            Logger.getLogger(RmiClientInvocationHandler.class.getName());
    private String targetUrl;
    private String protocolName;
    private RmiContext context;
    private RmiHandler handler;
    private Context jndiContext;

    public RmiClientInvocationHandler(String url, Class[] intrfaces)
    {
        super(intrfaces);
        targetUrl = url;
    }

    public RmiClientInvocationHandler(String url, Class[] intrfaces, 
                                      String protocolName, Context ctx)
    {
        this(url, intrfaces);
        this.protocolName = protocolName;
        jndiContext = ctx;
    }

    private void init() throws Exception
    {
        context = new RmiContextImpl(false, targetUrl, jndiContext, 
                                     protocolName);
        handler = new RmiHandler();
    }

    public Object rmiInvoke(Object target, Method method, Object[] args)
                     throws Throwable
    {
        if (context == null)
        {
            init();
        }

        return handler.clientInvoke(method, args, context);
    }

    public String toString()
    {
        return "RmiClientInvocationHandler(url=" + targetUrl + ")";
    }
}