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Java EE 8 Application Development

You're reading from   Java EE 8 Application Development Develop Enterprise applications using the latest versions of CDI, JAX-RS, JSON-B, JPA, Security, and more

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Product type Paperback
Published in Dec 2017
Publisher Packt
ISBN-13 9781788293679
Length 372 pages
Edition 1st Edition
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Author (1):
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David R. Heffelfinger David R. Heffelfinger
Author Profile Icon David R. Heffelfinger
David R. Heffelfinger
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Table of Contents (15) Chapters Close

Preface 1. Introduction to Java EE FREE CHAPTER 2. JavaServer Faces 3. Object Relational Mapping with the Java Persistence API 4. Enterprise JavaBeans 5. Contexts and Dependency Injection 6. JSON Processing with JSON-P and JSON-B 7. WebSocket 8. Java Messaging Service 9. Securing Java EE Applications 10. RESTful Web Services with JAX-RS 11. Microservices Development with Java EE 12. Web Services with JAX-WS 13. Servlet Development and Deployment 14. Configuring and Deploying to GlassFish

Query and path parameters

In our previous examples, we were working with a RESTful web service to manage a single customer object. In real life, this would obviously not be very helpful. A common case is to develop a RESTful web service to handle a collection of objects (customers, in our example). To determine which specific object in the collection we are working with, we can pass parameters to our RESTful web services. There are two types of parameters we can use, Query and Path parameters.

Query parameters

We can add parameters to methods that will handle HTTP requests in our web service. Parameters decorated with the @QueryParam annotation will be retrieved from the request URL.

The following example illustrates how to...

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