December 2017
Intermediate to advanced
372 pages
8h 46m
English
Content preview from Java EE 8 Application Development
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JSF WebSocket support
In typical web applications, servers always respond to requests from a browser; there is no way for a server to send data to the client browser without responding to a request. WebSocket technology provides full duplex communication between a browser and a server, allowing servers to independently send data to a client, without having to respond to a request. WebSocket technology allows a myriad of new applications to be developed for the web, including updating stock tickers, multiplayer online games, and chat applications.
Although some of these types of web applications were developed before the advent of WebSockets, they relied on hacks to work around the limitations of the HTTP protocol. With WebSockets, these hacks ...