WebSocket

Sample web-application to demonstrate basics of client-server communication using WebSocket protocol. Client defines two variables and operator, server performs calculation.

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Technologies

• javaee-api 8.0
• javax.websocket-api 1.1
• Gradle 4.2
• JBoss WildFly 10.1.0

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Installation

To load dependencies

$ gradle build

To package war file

$ gradle war

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Communication

Logic for the server part is located inside WebSocketServer.java file. Server listens connections on ws://localhost:8080/websockets-1.0/ws.

Logic for the client part is located inside websocket.js file.

Sample request

{
    action : "add",
    var1 : 23,
    var2 : 65
}

Sample response

{
    action : "add",
    result : 88,
    status : {
        code : 100,
        message : "Request was successfully processed"
    }
}