/*
 * RMIDemoImpl.java	1.1 (5 May 2000)
 *
 * Copyright 1998 by Bill Giel/KC Multimedia and Design Group, Inc.,
 * All rights reserved.
 *
 * Disclaimer of Warranty. Software is provided "AS IS,"
 * without a warranty of any kind. ALL EXPRESS OR IMPLIED
 * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED
 * WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. IN NO
 * EVENT WILL THE DEVELOPER OR ITS LICENSORS BE LIABLE FOR
 * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT,
 * SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES,
 * HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
 * RELATING TO THE USE, DOWNLOAD, DISTRIBUTION OF OR INABILITY
 * TO USE SOFTWARE, EVEN IF THE DEVELOPER OR ITS LICENSORS HAS
 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 */

package com.kcmultimedia.demo;

import java.rmi.*;
import java.rmi.server.*;
import java.rmi.registry.*;
import java.util.*;
import java.net.*;
import java.io.*;

/**
 * Server side RMI demo application
 *
 * @version 1.0 11/10/98
 * @author Bill Giel
 */
public class RMIDemoImpl extends UnicastRemoteObject
    implements RMIDemo, SCMEventListener
{

    private static final String logFile = "RMIDemo.log";

    private static Date now;
    
    String[] answers = {    "Most definitely.",
                            "I don't think so.",
                            "Undoubtedly.",
                            "Ask again later.",
                            "It is unlikely.",
                            "Please rephrase the question.",
                            "I think so.",
                            "Possibly",
                            "Probably not.",
                            "Cannot answer that.",
                            "For sure." };
                            
                            

    public RMIDemoImpl()
        throws RemoteException
    {
        super();

        SCMEventManager scm = SCMEventManager.getInstance();
        scm.addSCMEventListener(this);
    }

    public void handleSCMEvent(SCMEvent event)
    {
        if(event.getID() == SCMEvent.SERVICE_STOPPED){
            writeToLog("Service Stopped.");
            
        }
    }

    private static synchronized void writeToLog(String logentry)
    {
        now = new Date();

        try{
            
            PrintWriter out = new PrintWriter(new FileWriter(logFile,true),true);
        
            out.println("[" + now.toString() + "] " + logentry);

            out.close();
            
        }catch(Exception e){
            System.out.println("Error writing to logfile");
            e.printStackTrace();
        }            
    }

    public String getAnswer()
    {
        Random random = new Random(new Date().getTime());
        double d = random.nextDouble() * 10 + .5;
        return answers[(int)d];
    }

    public static void main(String[] args)
    {
        //if(null == System.getSecurityManager()){
            //System.setSecurityManager(new RMISecurityManager());
        //}

        String hostname;

        try{
            RMIDemoImpl obj = new RMIDemoImpl();

            if(args.length == 0){
                InetAddress ia = InetAddress.getLocalHost();
                hostname = ia.getHostName();
            }
            else{
                hostname = args[0];
            }

            //Try to create a registry listening on the default RMI port
            //If it throws an ExportException a registry is probably running
            //on the port, in which case we do nothing and simply try to
            //use the existing registry.
            try{
                LocateRegistry.createRegistry(1099);
            }catch(ExportException ex){}

            Naming.rebind("//" + hostname + "/" + BOUNDNAME, obj);

            String msg = BOUNDNAME + " bound in RMI Registry";

            System.out.println(msg);

            writeToLog(msg);
            
        }catch(Exception e){
            System.out.println("RMIDemoImpl error");
            e.printStackTrace();
        }
    }
}