Let's have some fun now! In this section, we will build a custom entity provider for handling the request and response message content represented using the application/csv media type. Note that JAX-RS, by default, does not support the CSV media type. The custom entity providers, which we will build in a short while, leverage the runtime extension mechanism offered by JAX-RS via the MessageBodyWriter and MessageBodyReader interfaces.
Building custom entity provider
by Bogunuva Mohanram Balachandar
RESTful Java Web Services - Third Edition
- Preface
- Introducing the REST Architectural Style
- Java APIs for JSON Processing
- A brief overview of JSON
- Processing JSON data
- Using JSR 353 – Java API for processing JSON
- Using the Jackson API for processing JSON
- Using the Gson API for processing JSON
- Java EE 8 enhancements for processing JSON
- Summary
- Introducing the JAX-RS API
- An overview of JAX-RS
- JAX-RS annotations
- Specifying the dependency of the JAX-RS API
- Using JAX-RS annotations to build RESTful web services
- Returning additional metadata with responses
- Understanding data binding rules in JAX-RS
- Building your first RESTful web service with JAX-RS
- Client APIs for accessing RESTful web services
- Summary
- Advanced Features in the JAX-RS APIs
- Understanding subresources and subresource locators in JAX-RS
- JAX-RS response builder explained
- Exception handling in JAX-RS
- Reporting errors using application exceptions
- Introducing validations in JAX-RS applications
- Supporting custom request-response message formats
- Asynchronous RESTful web services
- Asynchronous RESTful web service client
- Server-sent events
- Managing an HTTP cache in a RESTful web service
- Using the Expires header to control the validity of the HTTP cache
- Using Cache-Control directives to manage the HTTP cache
- Conditional request processing with the Last-Modified HTTP response header
- Conditional request processing with the ETag HTTP response header
- Conditional data update in RESTful web services
- Understanding filters and interceptors in JAX-RS
- Modifying request and response parameters with JAX-RS filters
- Modifying request and response message bodies with JAX-RS interceptors
- Managing the order of execution for filters and interceptors
- Selectively applying filters and interceptors on REST resources by using @NameBinding
- Dynamically applying filters and interceptors on REST resources using DynamicFeature
- Understanding the JAX-RS resource life cycle
- Summary
- Introducing JAX-RS Implementation Framework Extensions
- Jersey framework extensions
- Dynamically configuring JAX-RS resources during deployment
- A quick look at the static resource configurations
- Modifying JAX-RS resources during deployment using ModelProcessor
- What is the Jersey model processor and how it works?
- Building Hypermedia As The Engine Of Application State (HATEOAS) APIs
- Programmatically building entity body links using JAX-RS APIs
- Programmatically building header links using JAX-RS APIs
- Declaratively building links using Jersey annotations
- Reading and writing large binary objects using Jersey APIs
- Generating a chunked output using Jersey APIs
- RESTEasy framework extensions
- Summary
- Jersey framework extensions
- Securing RESTful Web Services
- Description and Discovery of RESTful Web Services
- The need for an interface contract
- Web Application Description Language
- RESTful API Modeling Language
- Swagger
- Revisiting the features offered in WADL, RAML, and Swagger
- Summary
- RESTful API Design Guidelines
- Designing RESTful web APIs
- Fine-grained and coarse-grained resource APIs
- Using header parameters for content negotiation
- Multilingual RESTful web API resources
- Representing date and time in RESTful web resources
- Implementing partial response
- Implementing partial update
- Returning modified resources to the caller
- Paging a resource collection
- Implementing search and sort operations
- Versioning RESTful web APIs
- Caching RESTful web API results
- Using HTTP status codes in RESTful web APIs
- Overriding HTTP methods
- Documenting RESTful web APIs
- Asynchronous execution of RESTful web APIs
- Microservice architecture style for RESTful web application
- A quick recap
- Summary
- The Role of RESTful APIs in Emerging Technologies
- Useful Features and Techniques
- Tools for building a JAX-RS application
- Integration testing of JAX-RS resources with Arquillian
- Using third-party entity provider frameworks with Jersey
- Packaging and deploying JAX-RS applications
- Summary
Building custom entity provider
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