/*
 * This file is part of Documancer (http://documancer.sf.net)
 *
 * Copyright (C) 2005 Vaclav Slavik
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * $Id: IndexerServer.java,v 1.1 2005/02/05 10:38:15 vaclavslavik Exp $
 *
 * Fulltext indexer XML-RPC server for Java
 *
 */

import java.lang.ClassNotFoundException;

import org.apache.xmlrpc.XmlRpc;
import org.apache.xmlrpc.WebServer;

/**
    XML-RPC server launcher.
    Starts XML-RPC server that provides Lucene fulltext indexing services
    as implemented in IndexerService class.
 */
public class IndexerServer
{
    public static void main(String[] argv) throws ClassNotFoundException
    {
        // the default MinML parser is not good enough, it doesn't handle
        // Unicode input, use Xerces instead:
        XmlRpc.setDriver("org.apache.xerces.parsers.SAXParser");
        
        XmlRpc.setKeepAlive(true);
        //XmlRpc.setDebug(true);

        if (argv.length != 1)
        {
            System.err.println("Usage: java IndexerServer <port>");
            System.exit(1);
        }

        int port = Integer.parseInt(argv[0]);

        WebServer server = new LocalhostWebServer(port);
        // register IndexerService as handler for toplevel namespace:
        server.addHandler("$default", new IndexerService(server));

        try
        {
            server.start();
        }
        catch (Exception e)
        {
            System.err.println("Error running XML-RPC server");
            e.printStackTrace();
            System.exit(2);
        }
    }

    /**
        XML-RPC web server that only accepts connections from localhost.
     */
    public static class LocalhostWebServer extends WebServer
    {
        public LocalhostWebServer(int port)
        {
            super(port);
            setParanoid(true);
        }

        protected boolean allowConnection(java.net.Socket s)
        {
            // Only allow incoming connections from localhost:
            return s.getInetAddress().isLoopbackAddress();
        }
    }
}