RESTful Web Services

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Building Strategic Influence in Matrix Organizations

This REST Training program helps participants build an expertise in Representational State Transfer (REST); the course covers topics like Designing REST services, building JAX-RS services, understanding JAX-RS injection and other important aspects.

Why You Shouldn’t Miss this course

After completion of RESTful Web Services Training course, participants will be able to:
  • Design RESTful services
  • Build JAX-RS services
  • Understand JAX-RS injection
  • Configure HTTP content negotiation
  • Scale JAX-RS applications
  • Build RESTful clients
  • Compare & contrast JAX-RS implementations
Duration: 24 Hours

Recommended Experience

Participants must have knowledge of Java development. Experience in Java EE development is recommended however not mandatory.

Structured for Strategic Application

Definition
  • Legacy Systems
  • Benefits of Web Services
  • Architecture
Standards and Portability
  • XML and Related Standards
  • JSON
  • HTTP
SOAP-Based Services
  • Overview
  • SOAP Messages, Requests, and Responses
  • WSDL
  • Java APIs and Programming Models
Overview and Principles
  • REST Characteristics
  • Resources and Operations
  • REST Principles
  • Requests and Responses
  • REST APIs
  • URI Templates
  • GET, POST, PUT, DELETE
  • Safe and Idempotent Methods
  • Comparison of REST and SOAP
APIs and Implementations
  • JAX-RS Overview, Annotations
  • JAX-RS Implementations
Runtime Environment
  • Application Server, Servlet-Only Container
  • Architectural and Implementation Perspectives
  • Configuring the Application
Applications, Resources, and Providers
  • JAX-RS Applications
  • Resource Classes and @Path
  • Provider Classes and @Provider
  • Default Lifecycles
  • The Application Class and rest-path
Ajax-JavaScript Clients
  • Overview
  • Classic vs. Ajax Interactions
  • Working with Ajax-JavaScript
Resources and Sub-Resources Root Resource Classes, Resource Methods, Sub Resource Methods @GET, @POST, @PUT, @DELETE
  • Sub Resource Locators
  • Naming Conventions and Rules
  • Dispatching Requests to Methods
Binding Request Data Request Data Injection and Conversion
  • Default Values
  • Fields vs. Method Parameters
Context-Based Injection
  • Injection via @Context
  • Context-Injectable Types
  • Context Injection from the Web Container
  • Fields vs. Method Parameters
Complex Content and Entities Working with Complex Content
  • @Consumes and @Produces
  • Content Negotiation
  • Standard Entity Providers
Working with JSON Returning Data as JSON
  • Working with JSON in JavaScript
  • Processing JSON Responses
Working with XML JAXB and Mapping to XML
  • Returning Data as XML
  • Working with XML on the Client
  • Customizing Content, Custom Media Types
  • Working with Collections
XML vs. JSON
Response Class Return Types and HTTP Response Codes
  • Appropriate Responses for HTTP Methods
  • Choosing the Right Response
Error Handling Exception Mappers
  • Web Application Exception
  • Response vs. Thrown Exception
  • Error Responses
Sub Resource Locators Motivation and Uses
  • Locating the Locator
  • Initializing the Sub Resource
Binary Content
  • File, InputStream, StreamingOutput
  • Using StreamingOutput
  • Java Client – Options and Ingredients
  • Building and Sending the Request
  • Consuming the Response
  • Options for the Response Data
  • Asynchronous Requests
Integration with EJB CDI – Contexts and Dependency Injection
  • Activation, Scopes, and JAX-RS Lifecycles
  • Injection in CDI-Enabled JAX-RS Applications
  • Enhanced Java EE Lifecycle
Java EE Security Overview
  • Security Requirements in JAX-RS
  • Declarative, Role-Based Security
  • Security Constraints
  • Annotation-Based Security Authentication
  • Configuration
  • Authentication Models: Basic, Digest, Client-Cert Programmatic Security
  • Security Context
  • Client Security HTTPS
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Designed for Immediate Organizational Impact

Includes real-world simulations, stakeholder tools, and influence models tailored for complex organizations.

Course Duration

16 hours of live, online, instructor-led training

24x7 Support

Technical & query support round the clock

Lifetime LMS Access

Access all the materials on LMS anytime, anywhere

Price match Guarantee

Guaranteed best price aligning with quality of deliverables

Let’s Connect

Speak with a Cognixia specialist about enrollment options, custom cohorts for your leadership team, or tailored delivery formats for your organization.

  • Response within 1 business day
  • Available in 5 delivery formats globally
  • Volume pricing for teams of 10+

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