The Definitive Guide to Jakarta Faces in Jakarta EE 10: Building Java-Based Enterprise Web Applications

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

B. Scholtz, A. TijmsThe Definitive Guide to Jakarta Faces in Jakarta EE 10https://doi.org/10.1007/978-1-4842-7310-4_10

10. WebSocket Push

Bauke Scholtz¹   and Arjan Tijms²

(1)

Willemstad, Curaçao

(2)

Amsterdam, Noord-Holland, The Netherlands

 

WebSocket support is represented by the <f:websocket> tag, the PushContext interface, and the @Push annotation, introduced in Jakarta Faces 2.3. It is built on top of the JSR-356 WebSocket specification, introduced in Jakarta EE 7. JSR-356 is even natively supported in Tomcat since 7.0.27 and in Jetty since 9.1.0.

In Mojarra, the <f:websocket> has an additional Jakarta EE dependency: JSON-P (JSR-353). In case you’re targeting ...