JV015 - RESTful Java and Web Services

Summary

Representational State Transfer (REST) has gained widespread acceptance across the Web as a simpler alternative to SOAP- and Web Services Description Language. The Java API for Restful web service is a new API that aims to make development web services in Java simple.
 
Prerequisite

• Course JV002 Java Programming Language or equivalent knowledge

Course Outline

Chapter 1: Introduction

What is REST?
Why is it Called Representation State Transfer?
Rest – An Architectural Style.
Example of Restful Web Service
Two Fundamental Aspects of the REST Design Pattern
Resource
HTTP
HTTP Methods
Resources With Multiple Representations
Components
Connectors
Communicate Statelessly
Summary

Chapter 2: Examples

Example 1: Parts Depot

Logical URLs Versus Physical URLs.
Java, REST And RESTEasy.

Example 2: Hello World

• Creating Project
• HelloWorldResource Class
• Registering Web Services
• Web.xml File
• Export WAR File
• Run Web Service

Exercise

Method With Parameter
Method With More Then One Parameter

Exercise

Chapter 3: Design Restful Service

@PathAnnotation
@Path: Template Parameters
@Produces Annotation
@Consumes Annotation
Application Class
JAX-RS And Java Interfaces

Customers Example

• Customer Class
• CustomersResource
• ClassRetriving Customers
• Updating a Customer
• The outputCustomer() Method
• The readCustomer() Method
• Run Example

Summary

Chapter 4: JAX-RS Injection

@PathParam Annotation
@QueryParam Annotation
@HeaderParam
@Content Annotation

Example With a Form

• Matrix Parameters
• PathSegment And Matrix Parameters
• @FormParam Annotation
• Automatic Conversion
• @DefaultValue Annotation

Example
Exercise
Summary