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// **********************************************************************
//
// Copyright (c) 2003-2014 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 Publisher extends Ice.Application
{
public void
usage()
{
System.out.println("Usage: " + appName() + " [--datagram|--twoway|--oneway] [topic]");
}
public int
run(String[] args)
{
String option = "None";
String topicName = "time";
int i;
for(i = 0; i < args.length; ++i)
{
String oldoption = option;
if(args[i].equals("--datagram"))
{
option = "Datagram";
}
else if(args[i].equals("--twoway"))
{
option = "Twoway";
}
else if(args[i].equals("--oneway"))
{
option = "Oneway";
}
else if(args[i].startsWith("--"))
{
usage();
return 1;
}
else
{
topicName = args[i++];
break;
}
if(!oldoption.equals(option) && !oldoption.equals("None"))
{
usage();
return 1;
}
}
if(i != args.length)
{
usage();
return 1;
}
IceStorm.TopicManagerPrx manager = IceStorm.TopicManagerPrxHelper.checkedCast(
communicator().propertyToProxy("TopicManager.Proxy"));
if(manager == null)
{
System.err.println("invalid proxy");
return 1;
}
//
// Retrieve the topic.
//
IceStorm.TopicPrx topic;
try
{
topic = manager.retrieve(topicName);
}
catch(IceStorm.NoSuchTopic e)
{
try
{
topic = manager.create(topicName);
}
catch(IceStorm.TopicExists ex)
{
System.err.println(appName() + ": temporary failure, try again.");
return 1;
}
}
//
// Get the topic's publisher object, and create a Clock proxy with
// the mode specified as an argument of this application.
//
Ice.ObjectPrx publisher = topic.getPublisher();
if(option.equals("Datagram"))
{
publisher = publisher.ice_datagram();
}
else if(option.equals("Twoway"))
{
// Do nothing.
}
else // if(oneway)
{
publisher = publisher.ice_oneway();
}
ClockPrx clock = ClockPrxHelper.uncheckedCast(publisher);
System.out.println("publishing tick events. Press ^C to terminate the application.");
try
{
java.text.SimpleDateFormat date = new java.text.SimpleDateFormat("MM/dd/yy HH:mm:ss:SSS");
while(true)
{
clock.tick(date.format(new java.util.Date()));
try
{
Thread.currentThread().sleep(1000);
}
catch(java.lang.InterruptedException e)
{
}
}
}
catch(Ice.CommunicatorDestroyedException ex)
{
// Ignore
}
return 0;
}
public static void
main(String[] args)
{
Publisher app = new Publisher();
int status = app.main("Publisher", args, "config.pub");
System.exit(status);
}
}
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