Planning JAX-RS web applications
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Planning to use JAX-RS to enable RESTful services
By using the Java™ API for RESTful Web Services (JAX-RS) API, application developers can quickly develop RESTful applications. When planning to use JAX-RS to enable RESTful services, consider how to best implement the capabilities and characteristics of a RESTful application with JAX-RS.Defining the resources in RESTful applications
You can use Java API for RESTful Web Services (JAX-RS) to develop services that follow Representational State Transfer (REST) principles. RESTful services are based on manipulating resources. Resources can contain static or dynamically updated data. By identifying the resources in your application, you can make the service more useful and easier to develop.Defining the URI patterns for resources in RESTful applications
Representational State Transfer (REST) services are based on manipulating resources. Resources for RESTful services are addressable, and URLs are the primary way of achieving addressability in REST.Defining resource methods for RESTful applications
Individual resources can define their capabilities by using supported HTTP methods. In Representational State Transfer (REST) services, the supported methods are GET, PUT, DELETE, and POST. All operations are typically conducted by using one of the predefined HTTP methods with a resource.Defining the HTTP headers and response codes for RESTful applications
HTTP headers and status codes are useful to help intermediary and client programs understand information about requests and responses for applications. HTTP headers contain metadata information. HTTP status codes provide status information about the response.Defining media types for resources in RESTful applications
Resources are represented by multiple formats. XML, JavaScript Object Notation (JSON), Atom, binary formats such as PNG, JPEG, GIF, plain text, and proprietary formats are used to represent resources. Representational State Transfer (REST) provides the flexibility to represent a single resource in multiple formats.Defining parameters for request representations to resources in RESTful applications
Parameters are used to pass and add additional information to a request. You can use parameters as part of the URL or in the headers. Path parameters, matrix parameters, query parameters, header parameters, and cookie parameters are useful for passing in additional information to a request.Defining exception mappers for resource exceptions and errors
Java API for RESTful Web Services (JAX-RS) applications can produce exceptions and errors. The default behavior is to use the exception handling functionality of the application container such as JavaServer Pages (JSP) error pages. However, you can customize the error handling and send specific responses back when an exception or error occurs.


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