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// **********************************************************************
//
// Copyright (c) 2003-2006 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
import Demo.*;
public class Client extends Ice.Application
{
static private class SessionRefreshThread extends Thread
{
SessionRefreshThread(Ice.Logger logger, long timeout, SessionPrx session)
{
_logger = logger;
_session = session;
_timeout = timeout;
}
synchronized public void
run()
{
while(!_terminated)
{
try
{
wait(_timeout);
}
catch(InterruptedException e)
{
}
if(!_terminated)
{
try
{
_session.refresh();
}
catch(Ice.LocalException ex)
{
_logger.warning("SessionRefreshThread: " + ex);
_terminated = true;
}
}
}
}
synchronized private void
terminate()
{
_terminated = true;
notify();
}
final private Ice.Logger _logger;
final private SessionPrx _session;
final private long _timeout;
private boolean _terminated = false;
}
private static void
menu()
{
System.out.println(
"usage:\n" +
"c: create a new per-client hello object\n" +
"0-9: send a greeting to a hello object\n" +
"s: shutdown the server and exit\n" +
"x: exit\n" +
"t: exit without destroying the session\n" +
"?: help\n");
}
public int
run(String[] args)
{
java.io.BufferedReader in = new java.io.BufferedReader(new java.io.InputStreamReader(System.in));
String name;
try
{
do
{
System.out.print("Please enter your name ==> ");
System.out.flush();
name = in.readLine().trim();
}
while(name.length() == 0);
}
catch(java.io.IOException ex)
{
ex.printStackTrace();
return 0;
}
Ice.ObjectPrx base = communicator().propertyToProxy("SessionFactory.Proxy");
SessionFactoryPrx factory = SessionFactoryPrxHelper.checkedCast(base);
if(factory == null)
{
System.err.println("invalid proxy");
return 1;
}
SessionPrx session = factory.create(name);
SessionRefreshThread refresh = new SessionRefreshThread(communicator().getLogger(), 5000, session);
refresh.start();
java.util.ArrayList hellos = new java.util.ArrayList();
menu();
try
{
boolean destroy = true;
boolean shutdown = false;
while(true)
{
System.out.print("==> ");
System.out.flush();
String line = in.readLine();
if(line == null)
{
break;
}
if(line.length() > 0 && Character.isDigit(line.charAt(0)))
{
int index;
try
{
index = Integer.parseInt(line);
}
catch(NumberFormatException e)
{
menu();
continue;
}
if(index < hellos.size())
{
HelloPrx hello = (HelloPrx)hellos.get(index);
hello.sayHello();
}
else
{
System.out.println("index is too high. " + hellos.size() + " exist so far. " +
"Use 'c' to create a new hello object.");
}
}
else if(line.equals("c"))
{
hellos.add(session.createHello());
System.out.println("created hello object " + (hellos.size()-1));
}
else if(line.equals("s"))
{
destroy = false;
shutdown = true;
break;
}
else if(line.equals("x"))
{
break;
}
else if(line.equals("t"))
{
destroy = false;
break;
}
else if(line.equals("?"))
{
menu();
}
else
{
System.out.println("unknown command `" + line + "'");
menu();
}
}
//
// The refresher thread must be terminated before destroy is
// called, otherwise it might get ObjectNotExistException. refresh
// is set to 0 so that if session->destroy() raises an exception
// the thread will not be re-terminated and re-joined.
//
refresh.terminate();
try
{
refresh.join();
}
catch(InterruptedException e)
{
}
refresh = null;
if(destroy)
{
session.destroy();
}
if(shutdown)
{
factory.shutdown();
}
}
catch(java.io.IOException ex)
{
ex.printStackTrace();
}
catch(Ice.LocalException ex)
{
ex.printStackTrace();
}
finally
{
if(refresh != null)
{
refresh.terminate();
try
{
refresh.join();
}
catch(InterruptedException e)
{
}
}
}
return 0;
}
public static void
main(String[] args)
{
Client app = new Client();
int status = app.main("Client", args, "config.client");
System.exit(status);
}
}
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