WebSocket-ChatApplication

Chat application built based on web socket protocol using embedded jetty.

The WebSocket protocol reference: https://www.w3.org/TR/websockets/

Embedded Jetty: https://www.eclipse.org/jetty/documentation/current/embedding-jetty.html

pre-requisites

1. JAVA SE 11 (oracle or openjdk) installed and JAVA_HOME, PATH variables should be configured
2. MAVEN >= 3.6.0 installed and M2_HOME, PATH variables are configured

Usage

1. clone or download the repository
2. Build the source code using "mvn clean install"
3. Goto target directory in the source code location.
4. open shell/cmd and run the application using "java -jar chat-ws-jar-with-dependencies.jar"

Now you can connect to the websocket server using ws://localhost:8080/chat/ url. You can use "Simple WebSocket Client" chrome or firefox plugin for simple tests. or write your own HTML+JS client.

4. To stop the server either use keyboard shortcut on the cmd/shell - "ctrl+c" or give a POST request to "http://localhost:8080/shutdown?token="

Messaging Format

subscribe:

{ "subscribe":"chat", "name":"..." }

message:

{ "message":"..." }

unsubscribe:

{ "unsubscribe":"chat" }

You are welcome to modify the code as you need after clonning/downloading to your local machine.