Java EE 8: JSON-B

Learn how to use JSON data in your Java applications. Find out how to convert Java objects to and from JSON using the JSON-B API built into Java EE.

Introduction

• Map Java objects to JSON
• What you should know

1. Overview and Setup

• JSON and its significance
• JSON structure: JSON types
• JSON vs. XML
• JSON-B API overview
• Application setup

2. JSON Binding API: Default Mapping

• Default mapping APIs: single bean
• General default settings
• Visibility settings: Fields with getters and setters
• Visibility settings: Final, static, and transient fields
• Define beans
• Define data
• Testing with JSON-B
• Default mapping types
• Data types supported

3. JSON Binding API: Customized Mapping, Part 1

• Customize mapping
• Formatting output
• Changing bean attribute names: JsonbProperty
• PropertyNamingStrategy
• Customize order of serialized properties
• JsonbTransient, transient modifier
• Custom PropertyVisibility Strategy

4. JSON Binding API: Customized Mapping, Part 2

• Handling null serializations
• Custom constructors
• Test custom constructors
• Applying date/number formats to attributes
• Binary data strategies
• iJSON support

5. Adapters and Serializers

• Need for JSON-B adapters
• adaptToJson
• adaptFromJson
• Custom serializers and deserializers
• Problem deserializing inheritance hierarchy
• Implementing serializer interface
• Implementing deserializer interface
• Testing

6. JSON-B in a Web Application

• Setup for a JAX-RS application
• Build RESTful methods
• Generate data and test
• Add more RESTful methods
• Test all RESTful methods

Conclusion

• Next steps