Course duration
- 3 days
Course Benefits
- Understand the purpose and role of web services in general, and how they are architected to expose business systems and processes over the web
- Understand the concepts and principles of REST and HTTP applications
- Expanded knowledge of HTTP, including its full set of methods and their intended uses, important headers, response codes, and content types
- Understand REST APIs, including resource identifiers and the URI namespace, resources and subresources, and WADL
- Understand configuration, deployment, and the runtime environment, including per-request and singleton objects, options for dependency injection, etc.
- Understand how HTTP requests get dispatched to service methods
- Understand content negotiation and the importance of Accept and Content-Type headers, and how they impact method dispatching
- Bind request inputs to method parameters, including path parameters, query parameters, and headers
- Exchange business data by communicating in HTTP entities in both XML and JSON format
- Handle errors using Java exceptions and appropriate HTTP response codes
- Learn how to integrate JAX-RS services with other Java EE technologies like servlets, EJB, and CDI, and how JAX-RS fits into the larger Java EE landscape
- Write browser clients using Ajax-JavaScript
- Write Java clients using the JAX-RS 2.0 Client API, including standalone clients and server-side components invoking remote services
- Learn how to secure RESTful resources
Available Delivery Methods
Public Class
Public expert-led online training from the convenience of your home, office or anywhere with an internet connection. Guaranteed to run .
Public expert-led online training from the convenience of your home, office or anywhere with an internet connection. Guaranteed to run .
Private Class
Private classes are delivered for groups at your offices or a location of your choice.
Private classes are delivered for groups at your offices or a location of your choice.
Course Outline
- Web Services Overview
- 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
- Introduction to REST
- 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
- Introduction to JAX-RS
- 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 Requests
- Resources and Subresources
- Root Resource Classes, Resource Methods, Subresource Methods
- @GET, @POST, @PUT, @DELETE
- Subresource 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
- HTTP Entities
- 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
- Responses
- Response Class
- Return Types and HTTP Response Codes
- Appropriate Responses for HTTP Methods
- Choosing the Right Response
- Error Handling
- Exception Mappers
- WebApplicationException
- Response vs. Thrown Exception
- Error Responses
- Subresource Locators
- Motivation and Uses
- Locating the Locator
- Initializing the Subresource
- Binary Content
- File, InputStream, StreamingOutput
- Using StreamingOutput
- Java Client API
- Java Client - Options and Ingredients
- Building and Sending the Request
- Consuming the Response
- Options for the Response Data
- Asynchronous Requests
- SIntegration with Java EE
- 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
- Security
- 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
- SecurityContext
- Client Security
- HTTPS
Class Materials
Each student will receive a comprehensive set of materials, including course notes and all the class examples.
Since its founding in 1995, InterSource has been providing high quality and highly customized training solutions to clients worldwide. With over 500 course titles constantly updated and numerous course customization and creation possibilities, we have the capability to meet your I.T. training needs.
Instructor-led courses are offered via a live Web connection, at client sites throughout Europe, and at our Geneva Training Center.
Instructor-led courses are offered via a live Web connection, at client sites throughout Europe, and at our Geneva Training Center.