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RESTful Java Web Services, Second Edition

You're reading from   RESTful Java Web Services, Second Edition Design scalable and robust RESTful web services with JAX-RS and Jersey extension APIs

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Product type Paperback
Published in Sep 2015
Publisher
ISBN-13 9781784399092
Length 354 pages
Edition 1st Edition
Languages
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Author (1):
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Jobinesh Purushothaman Jobinesh Purushothaman
Author Profile Icon Jobinesh Purushothaman
Jobinesh Purushothaman
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Table of Contents (11) Chapters Close

Preface 1. Introducing the REST Architectural Style FREE CHAPTER 2. Java APIs for JSON Processing 3. Introducing the JAX-RS API 4. Advanced Features in the JAX-RS API 5. Introducing the Jersey Framework Extensions 6. Securing RESTful Web Services 7. The Description and Discovery of RESTful Web Services 8. RESTful API Design Guidelines A. Useful Features and Techniques Index

Transforming operations to HTTP methods


Once you have identified all the resources, as the next step, you may want to map the operations defined on the resources to the appropriate HTTP methods.

The most commonly used HTTP methods (verbs) in RESTful web APIs are POST, GET, PUT, and DELETE. Note that there is no one-to-one mapping between the CRUD operations defined on the resources and the HTTP methods.

Note

An operation is called idempotent if multiple identical requests produce the same result. Similarly, an idempotent RESTful web API will always produce the same result on the server irrespective of how many times the request is executed with the same parameters; however, the response may change between requests. The HTTP methods—GET, HEAD, PUT, and DELETE—are all idempotent, while POST is not.

Here are some tips for identifying the most appropriate HTTP method for the operations that you want to perform on the resources:

  • GET: You can use this method for reading a representation of a resource...

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