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Full Discussion: can I use tomcat server for my chatting application?
Special Forums IP Networking can I use tomcat server for my chatting application? Post 302280164 by cbkihong on Monday 26th of January 2009 08:16:56 AM
Old 01-26-2009
It depends on how you want users to chat. Implementing a (1) 100% Web-based chatroom (no applet), or (2) users use applet from a Web page to chat? Or (3) users have dedicated clients (e.g. swing GUI) for chat?

I hope this is not college assignment. We don't allow posting these kind of questions here. But I will not post any code anyway as they are not something you can do with just a few lines of code and you should try to explore on your own.

(3) The GUI client can support any client-server socket protocol so this is the most traditional way to do this
(2) An applet can have limited networking capability so you can mostly use your own protocol as in case (3)
(1) Without applet, immediate refresh of message on Web page may be triggered by AJAX. You can use Tomcat (or even application server such as JBoss) to host an application server with state managed on it. However, to avoid excessive AJAX polling, you can use Jetty instead of Tomcat, that supports "continuations" so that it can push update to client instead of requiring polling from client side. Actually, the Jetty distribution has an example that exactly demonstrates how to create a chatroom using this method.
 

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LEARN ABOUT SUNOS

libpanel-applet-2

libpanel-applet-2.3(3)					 Introduction to Library Functions				    libpanel-applet-2.3(3)

NAME

       libpanel-applet-2 - panel applet API

DESCRIPTION

       The  libpanel-applet-2  library	provides  an  API  for developing small applications that may be embedded into the GNOME panel.  These are
       called applets, and are based on GNOME's component system, Bonobo.

       To access the API documentation, you must install the developer version of the package.

FILES

       The following files are used by this application:

       /usr/lib/libpanel-appletPanel Applet API shared library

       /usr/share/gtk-doc/html Location of developer documentation

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWgnome-panel		   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |External			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       gnome-panel(1), gnome-desktop-item-edit(1)

NOTES

       Written by Brian Cameron, Sun Microsystems Inc., 2003, 2004.

SunOS 5.10							    31 Aug 2004 					    libpanel-applet-2.3(3)
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