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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
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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

Implementing partial update


When a client changes only one part of the resource, you can optimize the entire update process by allowing the client to send only the modified part to the server, thereby saving the bandwidth and server resources. RFC 5789 proposes a solution for this use case via a new HTTP method called PATCH. To learn more about this RFC, visit https://tools.ietf.org/html/rfc5789. Note that PATCH is not yet officially a part of HTTP/1.1. However, the HTTP protocol allows both the client and the server to implement any new method. Leveraging this flexibility, many vendors have started supporting the HTTP PATCH method.

The PATCH method takes the following form:

PATCH /departments/10 HTTP/1.1
[Description of changes]

The [Description of changes] section, in the preceding PATCH method, contains instructions describing how a resource currently residing on the origin server should be modified in order to reflect the changes performed by the client. RFC 6902 defines a JSON document...

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