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Developing Middleware in Java EE 8

You're reading from   Developing Middleware in Java EE 8 Build robust middleware solutions using the latest technologies and trends

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781788391078
Length 252 pages
Edition 1st Edition
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Author (1):
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Abdalla Mahmoud Abdalla Mahmoud
Author Profile Icon Abdalla Mahmoud
Abdalla Mahmoud
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Table of Contents (18) Chapters Close

Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
1. Delving into Java EE 8 FREE CHAPTER 2. Dependency Injection Using CDI 2.0 3. Accessing the Database with JPA 2.1 4. Validating Data with Bean Validation 2.0 5. Exposing Web Services with JAX-RS 2.1 6. Manipulating JSON with JSON-B 1.0 7. Communicating with Different Systems with JMS 2.0 8. Sending Mails with JavaMail 1.6 9. Securing an Application with Java Security 1.0 10. Making Interactive Applications with WebSockets 1.1 1. Other Books You May Enjoy Index

Using binary


As JSON is a text-based format, associating binary data (such as file content) inside a JSON document directly is not technically feasible. Therefore, a text representation for the binary data should be used in order to be shown in the resulting JSON as an alternative to the direct bytes array.

JSON-B supports three different strategies to represent the bytes array in JSON documents:

  • Binary: Using this strategy, binary data is encoded as a byte array.
  • Base 64: Using this strategy, binary data is encoded using the Base64 encoding scheme as specified in RFC 4648 and RFC 2045.
  • Base 64 URL: Using this strategy, binary data is encoded using the URL and Filename safe Base64 Alphabet as specified in Table 2 of RFC 4648. This is compliant with the Internet JSON (I-JSON) profile.

For example, let's define a movie object, with a binary array representing its thumbnail, and load the binary data from a file, as shown in the following example:

public class Movie { 
    private long id; 
    private...
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