Restful Web Services with JAX-RS class teaches participants how to design and develop web services using the RESTful architecture and Java EE 6.

• Training by Realtime Expert trainer
• Live Online Classes
• Free study material
• Online virtual Classes available in morning, evening and weekend

Prerequisties

• All attendees must be experienced Java developers with a solid, hands-on grasp of object-oriented principles. Prior Java EE development experience is recommended but not required.

Duration

Online

• The format is 40% theory, 60% Hands-on.
• It is a 20 days program and extends up to 2hrs each.

Corporate

• The format is 40% theory, 60% Hands-on.
• It is a 5 days program and extends up to 8hrs each.

Classroom

• Private Classroom arrenged on request and minimum attendies for batch is 4.

Course Content

Overview of REST and JAX-RS

• The REST Vision
• Use of HTTP
• Use of URIs
• Use of Content Types
• CRUD Operations and Business Operations
• HATEOAS and the Richardson Maturity Model
• JAX-RS
• Applications, Resources, and Providers

Configuration and Lifecycle

• The JAX-RS Application
• XML Configuration
• Annotation-Driven Configuration
• Applications
• Root Resource Classes
• Per-Request vs. Singleton Lifecycle
• Providers

Dispatching Requests

• The Application Path
• The @Path Annotation
• The HTTP Method Annotations
• Sub-Resource Locators
• Annotation Inheritance and overriding
• @XXXParam Annotations
• The @DefaultValue Annotation
• Parameter Types
• Parameter Converters

Handling Requests

• The Application Path
• The @Path Annotation
• The HTTP Method Annotations
• Sub-Resource Locators
• Annotation Inheritance and overriding
• @XXXParam Annotations
• The @DefaultValue Annotation
• Parameter Types
• Parameter Converters

Producing Responses

• Supported Return Types
• The Response Class
• Response Entities
• Binary Content
• Delivering a File

Entity Translation

• Entity Parameter and Return Type
• Entity Providers
• @Consumes and @Produces Annotations
• Built-In Entity Providers
• Custom Entity Providers

Working with XML and JSON

• The JAXB Entity Provider
• Driving XML Representations from Schema
• Driving JSON Representations with JAXB
• JSON Without JAXB: Jackson, MOXy, etc.
• CRUD Patterns
• Error Handling
• Sub-Resources

Dependency Injection

• The @Context Annotation
• Injectable Types
• The Application Subclass
• Servlet Configuration and Context
• Impact of Lifecycle Policies
• Context Providers
• Using CDI

Validation and Error Handling

• Using Response
• Throwing WebApplicationException
• Exception Mapping Providers
• Selection of Exception Mappers
• Support for JSR-303
• Annotating Method Parameters
• Annotating Entity Classes
• Error Reporting

Generic Services

• Generic Entities
• Generic Entity Providers
• ParameterizedType
• Reflection-Driven Entity Providers
• Annotation Inheritance
• CRUD Patterns, II
• Serialization, Recursion, and Scope
• Dynamic Sub-Resources

Working with Databases

• Persistence Services
• The Java Persistence API
• JPA Support for JSR-303
• Handling IDs and Keys
• Cascading
• Caching
• Error Handling
• Hypermedia Challenges

The Client API

• The Builder Pattern
• Client
• WebTarget
• Invocation
• Basic Usage
• Managing Content Types and Entities
• Error Handling
• Registering Providers
• The Service Locator Pattern
• Generic Clients

Filters and Interceptors

• The Filter Interfaces
• Processing Pattern
• The Request and Response Context Interfaces
• Aborting a Request
• The Interceptor Interfaces
• Adaptive Streams
• Filters on the Client Side
• Interceptor Strategy for Hypermedia

Security

• Concerns for RESTful Services
• Authentication and Authorization
• HTTP BASIC and DIGEST
• HTTPS
• Programmatic Security
• SQL Injection
• Cross-Site Request Forgery
• Message-Level Security
• HMACs

The Java API for XML Binding

• The Need for Data Binding
• XML Schema
• Two Paths
• JAXB Compilation
• Mapping Schema Types to Java
• Java-to-XML Mapping Using Annotations
• Marshalling and Unmarshalling
• Working with JAXB Object Models