Web Services Training : Fast Track to SOA, Java® Web Services (JAX-WS) and JAX-RS (REST)

Web services are designed to allow Web-based access to distributed software and business services. They bring a standard, open service architecture to component development that allows them to be accessed over the Web with standard protocols such as HTTP and standard XML formats for messages and service descriptions. This course will give you a thorough understanding of the current Web services architecture, and the technologies that support Web services including the new Java APIs such as JAX-WS and JSR-181. Topics include:

SOAP - An XML based messaging mechanism.
WSDL - Web services Description Language – An XML language that describes the interface and semantics of a Web service.
JAX-WS – Accessing Web services using the latest Java APIs including JAX-WS, JSR-181, JAXB
SAAJ – Soap with Attachments API for Java
Soap Handlers
JAXB - Java Architecture for XML Binding
XML Web Services - Working with Web services directly at the XML level
MTOM - Handling binary message data in an interoperable way
Security – Basic Authentication, HTTPS, and Web Services Security (WS-Security)
EJB based Web Services
The WS-* Standards – A Brief Overview
Building REST-based Services with JAX-RS

We will look at the current state of the art of Web services, what works and what doesn’t work, and also at newer standards, and how they fit into the Web services picture. This course is hands on, and students will actually build and deploy Web services during the course.

Hands-On

Minimum 50% hands-on

Supported Platforms

JBoss® AS, Weblogic® AS, GlassFish, RAD®/WebSphere®

Web Services Training Course Duration

5 Days

Web Services Training Course outline

Session 1: Service Oriented Architecture (SOA) and Web Services

SOA (Service Oriented Architecture) Overview
Web Services Overview / Relationship to SOA
Web services Architecture
SOAP and WSDL Overview

Session 2: Introduction to Java Web Services

Overview

Java Web Services
JAX-WS and JSR-181
A Simple Service definition with @WebService

JSR-181

Overview
@WebService, Modifying the Generated Service
Other Annotations (@WebMethod, @SOAPBinding)
The SEI (Service Endpoint Interface
Lab: Defining a Service with an SEI

JAX-WS Capabilities

Overview
WSDL to Java Mapping
Capabilities (XML Messaging, Handlers, SOAP/HTTP, Client Programming

JAX-WS Clients

Programming Model, Generating Classes from WSDL
Writing a JAX-WS Client
Dynamic Clients
Lab: JAX-WS Client and Dynamic Client

Session 3: WSDL – Web Services Description Language

Introduction
XML Namespace and XML Schema Overview
Namespaces and Schema in WSDL Documents
WSDL Structure and Elements
A WSDL Document
- Definitions, Types, Messages, PortTypes, and Operations
- Bindings, Ports, and Services
SOAP 1.1 Binding for WSDL

Session 4: SOAP

SOAP Overview
Message Structure
- Envelope/Header/Body
- Detailed Soap message structure
SOAP Faults, Attachments
SOAP Messaging and HTTP Binding
SOAP Styles and Encoding

Session 5: SAAJ, DOM, and SOAP Handlers

SAAJ Overview, Message Structure and API
Creating/Sending Messages
DOM Overview
Using DOM with SAAJ
SOAP Handlers
- Overview and Processing
- Logical and Protocol Handlers
- Writing/Configuring a SOAP Protocol Handler
- Writing/Configuring a Logical Handler

Session 6: JAXB - Java Architecture for XML Binding

Overview and Architecture
Generating Java Classes from XML Schema
Customizing Generated Java
Generating XML Schema from Annotated Java Classes
Web Services, WSDL, and JAXB

Session 7: Start From WSDL / Start from WSDL & Java

Starting From WSDL
Binding Customizations
Starting From WSDL and Java

Session 8: XML-Based (Bare) Web Services

XML Messaging Overview
JAX-WS Providers
A SOAP Provider and Source Provider
XML Clients with Dispatch
XML/HTTP Messaging with Provider
Overview of REST and JAX-RS

Session 9: Handling Binary Data

Overview and Issues
Default handling
MTOM Overview
Using MTOM in Services and Clients
Using DataHandler

Session 10: Security

Java EE Security / Role Based Security
Securing Web Services with BASIC Authentication
Transport Security / HTTPS
Securing Web Services with HTTPS
WSS (WS-Security) Overview

Session 11: EJB-Based Web Services

EJB Overview
Programming EJB
Creating/Configuring EJB-Based Web Services
Lab: Creating an EJB-Based Web Service

Session 12: WS-* Overview

WS-Interoperability (WS-I)
The WS-I Basic Profile
WS-Addressing

Session 13: Introducing REST and JAX-RS

REST Overview
- What are Resources?
- REST Characteristics
- Accessing RESTful Services
- URI Templates
JAX-RS Overview
- What is JAX-RS
- Resource Class Definition - @PATH, @GET
- @PathParam and URI Templates
- Extracting Request Parameters
- @Produces - Returning XML and JSON

Session 14: Client-side Access to RESTful Services

REST Client Requirements
Creating Client instances
Setting the Target Resource
Setting Path Parameters
Invoking the Service
Getting a Response
Getting/Setting Headers and/or Cookies

Session 15: Common REST Patterns

The REST Methos - GET, POST, PUT< DELETE
@Consumes and Acceptable Media Types
GET for Data Retrieval
POST for Adding Information
PUT for Updating
DELETE for Removal

Session 16: Best Practices

Coarse Grained Web Services
Optimization and Caching
XML Handling
Interoperability
Top Down / Bottom Up

Please contact your training representative for more details on having this course delivered onsite or online

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