Book Image

Learning Spring 5.0

By : Tejaswini Mandar Jog
Book Image

Learning Spring 5.0

By: Tejaswini Mandar Jog

Overview of this book

<p>Spring is the most widely used framework for Java programming and with its latest update to 5.0, the framework is undergoing massive changes. Built to work with both Java 8 and Java 9, Spring 5.0 promises to simplify the way developers write code, while still being able to create robust, enterprise applications.</p> <p>If you want to learn how to get around the Spring framework and use it to build your own amazing applications, then this book is for you.</p> <p>Beginning with an introduction to Spring and setting up the environment, the book will teach you in detail about the Bean life cycle and help you discover the power of wiring for dependency injection. Gradually, you will learn the core elements of Aspect-Oriented Programming and how to work with Spring MVC and then understand how to link to the database and persist data configuring ORM, using Hibernate.</p> <p>You will then learn how to secure and test your applications using the Spring-test and Spring-Security modules. At the end, you will enhance your development skills by getting to grips with the integration of RESTful APIs, building microservices, and doing reactive programming using Spring, as well as messaging with WebSocket and STOMP.</p>
Table of Contents (18 chapters)
Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
9
Explore the Power of RESTful Web Services

STOMP


Simple (or Streaming) Text-Oriented Message Protocol (STOMP) over WebSocket provides straightforward mapping from a STOMP frame to a JavaScript object. WebSocket is the fastest protocol, but it is still not supported by all browsers. Such browsers have problems supporting proxies and protocol handling. It will take a while to get wide support by all browsers; meanwhile, we need to find some substitute or real-time solution. SockJS supports the STOMP protocol for communicating with any message broker from the scripting languages, and is an alternative to AMQP. STOMP is lightweight and easy to implement, both on the client as well as server side. It comes with a reliable capability to send a single message and then disconnect or consume all messages from the destination. It defines the following different frames, which are mapped to the WebSocket frames:

  • CONNECT: This connects the client to the server
  • SUBSCRIBE: This is used for listening to the given destination
  • UNSUBSCRIBE: This is used...