Overview
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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.
Syllabus
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Introduction
- Map Java objects to JSON
- What you should know
- JSON and its significance
- JSON structure: JSON types
- JSON vs. XML
- JSON-B API overview
- Application setup
- 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
- Customize mapping
- Formatting output
- Changing bean attribute names: JsonbProperty
- PropertyNamingStrategy
- Customize order of serialized properties
- JsonbTransient, transient modifier
- Custom PropertyVisibility Strategy
- Handling null serializations
- Custom constructors
- Test custom constructors
- Applying date/number formats to attributes
- Binary data strategies
- iJSON support
- Need for JSON-B adapters
- adaptToJson
- adaptFromJson
- Custom serializers and deserializers
- Problem deserializing inheritance hierarchy
- Implementing serializer interface
- Implementing deserializer interface
- Testing
- Setup for a JAX-RS application
- Build RESTful methods
- Generate data and test
- Add more RESTful methods
- Test all RESTful methods
- Next steps
