algorithm of chat application in java using sockets

Question

I have to make a web application for chat which will work as skype, like 1 to 1 chat as well as group chat.

Last some days i am researching on google and i come to know following things.

For making speed better, i must use sockets. Database must in involved for storing the history of chat.

Last 1 year, i am working on java but unfortunately never worked on socket connection.

There are some online code available, even i tried to understand it as well but its all gone above my head.

But couple of things i come to know as follows

Server class need to configure the sockets.
client class need to send the message through the sockets.

My question is how i will come to know that a specific message is send to specific group or person...??

As only 1 socket is connecting to all group, a particular message will go to all.

I do not need a example, i just need to make a algorithm right so that i can start work on.

mprabhat · Accepted Answer · 2012-05-01 18:26:22Z

1

Your server and client will have group property

So client will send a message lets call it as Message object

class MessageObject {

 String message;

 String group;
}

Your server will have keep a note of all client and depending upon group it will store them say in a map.

Whenever a new message comes to the server, it will check the group of the message and depending upon it, from the map it will get a list of clients and will write the message on to there stream.

answered May 1, 2012 at 18:26

mprabhat

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Esteban Araya · Accepted Answer · 2012-05-01 18:25:51Z

1

The chat sample of atmosphere should give you enough to get you started.

answered May 1, 2012 at 18:25

Esteban Araya

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Fernando Martinez · Accepted Answer · 2012-05-01 22:43:23Z

1

This ppt could help you to start

I recommend you check a book about distributed systems or network communication

edited May 1, 2012 at 22:43

answered May 1, 2012 at 18:25

Fernando Martinez

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