Web Services Development using WSAD V5

This is an advanced class that starts with Web Services basics and proceeds to cover advanced topics such as Web Services Invocation Framework and JAX-RPC.

All the labs are done using WSAD v5.1.2. Where ever appropriate, WebSphere Application Server's implementation of a technology is discussed.

WebSphere Training Audience

J2EE developers who will like to learn about how to build a Web Services based solution. This class covers many advanced topics that will help them build a solution appropriate for a large business.

WebSphere Training Prerequisites

Java programming. Beginner level knowledge of J2EE and XML.

WebSphere Training Learning Objectives

After completing this course, the student should be able to:

The core concepts of Web Services

WSAD tooling to build web services

Secure web services

Deploy and manage a web service running in WebSphere

WebSphere Training Topics

SOAP
WSDL
JAX/RPC
JSR 109
UDDI
WSIF
Security
Deployment in WebSphere

WebSphere Training Course duration

5 days

WebSphere Training Course outline

1. Introduction to WSAD

Objectives
The WebSphere Studio Family
Eclipse Platform
Key Features in WSAD v5.1.2
Eclipse 2.1 Features
Views, Perspective and Editor Areas
Basic Operations with WSAD Views and Perspectives
The Java Perspective
The Debug Perspective
Navigator View
Package Explorer
Outline View
Task View
Build and Validation
Import and Export Project
Templates and Code Completion
Searching
Summary

2. Introduction to J2EE and the WebSphere Platform

Objectives
Java Web Applications
Java Web Application Architecture
J2EE Architecture
J2EE Software Packaging
J2EE Module Structure
Enterprise Archive (EAR)
Web Modules and WAR
EJB Modules
Web Application Programming Model – MVC
An MVC Example
The Infrastructure for Enterprise Web Applications
The IBM WebSphere Platform
WebSphere Studio Site Developer
WebSphere Studio Application Developer (WSAD)
Background of WSAD
WebSphere Application Server
What’s new in WebSphere Application Server v5.0
WebSphere Editions
Services provided by WebSphere Application Server
WebSphere Application Server Architecture
WebSphere Administrative Topology
WebSphere Application Server Components
WAS Administration tools

3. Introduction to Web Services

Objectives
Service Oriented Architecture(SOA)
Basic SOA
SOA – Runtime Implementation
SOA
Web Services
Typical Development Workflow
Advantages of Web Services
Web Services Business Models
Case Study: Internal System Integration
Case Study: Business Process Externalization
SOAP
UDDI
Web Services Description Language(WSDL)
Web Services Invocation Framework(WSIF)
WSIF and WSDL
Web Services Interoperability(WS-I)
WS-I Deliverables
WS-I Support in WSAD 5.1.2
WS-I Compliance in WSAD 5.1.2
WS-I Compliance at Project Level
Web Services Support in WSAD
Summary

4. Introduction to SOAP

Objectives
SOAP 1.1 Overview
SOAP Components
Message Envelope
SOAP XML Namespaces
SOAP HTTP Request Example
SOAP HTTP Response Example
SOAP Envelope
SOAP Header
Header Attributes - actor
Header Attributes - mustUnderstand
Header Attributes - encodingStyle
SOAP Body
SOAP Fault
SOAP Encoding
Communication Styles
How to Choose the Style
SOAP-RPC Example
SOAP-Document Example
SOAP Data Model
Simple Elements
SOAP Complex Data Type
Complex Data types
Structs
Arrays
SOAP Encoding Rules
SOAP Java-related mappings
Different SOAP Implementations
SOAP - Recap
Summary

5. Introduction to WSDL

Objectives
WSDL Overview
WSDL Document Tags
WSDL Namespaces
Sample WSDL Document Structure
definitions
import
types
message
portType
operation
One-way operation
Request-Response operation
Solicit-Response operation
Notification operation
Modeling Simple Operation
Modeling Complex Operation
Modeling Complex Message
binding
More on binding
binding Syntax
SOAP Binding Example
service and port
More on port
WSDL Bindings -- Extensibility Elements
WSDL SOAP Binding Extensions
soap:binding
soap:operation
soap:body
soap:fault
soap:address
soap:header & soap:headerfault
WSDL HTTP Binding Extension
Http Binding Extensions
WSDL MIME Binding Extensions
WSDL API for Java
Summary

6. JAX-RPC

Objectives
JAX-RPC Overview
JAX-RPC Framework
JAX-RPC Supported Types
JAX-RPC Server
JAX-RPC Service Implementation(Server)
JAX-RPC and WS-I
JAX-RPC Clients
JAX-RPC Client Model
JAX-RPC Client - Static Stub
JAX-RPC Client – Dynamic Proxy
Dynamic Invocation Interface
JAX-RPC Type Mapping
1. Mapping XML Types to Java Types – Simple Types
1. Mapping XML Types to Java Types – Complex Types
Complex Type Mapping - Example
1. Mapping XML Types to Java Types – Arrays
Mapping Arrays - Example
2. Mapping abstract WSDL definitions to Java
Mapping concrete WSDL types to Java types3. Mapping Concrete WSDL Types to Java Types
3. Mapping Concrete WSDL Types to Java Types
Java to WSDL/XML Mapping
Summary

7. Enterprise Web Services

Objectives
JSR 109
JSR-109 - Motivation
JSR 109
JSR 109 Implementation
JSR-109 Roles
Client Programming Model
Deployment Descriptors
Client DD - webservicesclient.xml
JAX-RPC Mapping Deployment Descriptor
JAX-RPC Mapping Deployment Descriptor - Elements
Server Programming Model
Server Model - Port
Port Components – Web Services Editor
EJB Programming Model
Web Container Programming Model
Server Programming Model – Deployment Descriptors
Sample webservices.xml
webservices.xml
Other files
Handlers
Handlers – Example(Server-Side)
Handlers – Example(Client-Side)
JSR-109 in WebSphere
Summary

8. Architecture Details

Introduction
Base vs. Network Deployment
Application Server
Node
Cell
A Typical Cell
Configuration Repository
Administration Service
Cluster
Web Container
Web Request Processing
Plugin Configuration
Virtual Host
Managed Process
Basics
Key Possibilities
Coexistence Scenarios
Common Topologies
All in One
Vertical Scaling
Server Separation
Multi-tier
Horizontal Scaling
Web Server Horizontal Scaling
Multiple Instances
Multiple Cell
Process Discovery

9. WebSphere v5 Support for Web Services

Introduction
Service in a Web Container
Example Java Class
Generated Artifacts
How Does the Wizard Generate All That?
Web Services Deployment Descriptor
Example: webservices.xml
webservices.xml Editor
The Generated WSDL File
The WSDL Editor
Service in a EJB Container
Generated Artifacts
Web Services Deployment Descriptor
Client Development
Generated Artifacts
The Proxy Class

10. Introduction to UDDI

Objectives
UDDI Overview
UDDI Registries
UDDI in Web Services Architecture
UDDI
Businesses and Services in UDDI
Static and Dynamic Web Services
UDDI Registry Structure
UDDI Registry Structure -tModel
UDDI Registry Structure
UDDI Interactions
UDDI in WebSphere
Summary

11. Advanced UDDI

Objectives
Defining Complex Business Relationships
Modeling Relationship
Service Projection
Example Service Projection
External Taxonomies
Improved Query
UDDI Replication
UDDI4J – The Java API
UDDI4J: Performing Query
Example: Query a Business
Saving a Business
Example: Saving a Business
Saving a Service
Example: Saving Service
Working With Binding Templates
Looking Up the tModel of a Service
Looking Up a Binding Template
Private Registry
Types of Private Registries
WebSphere UDDI Registry

12. Web Services Invocation Framework (WSIF)

Recap WSDL
Introduction
More Details
WSIF Architecture
The WSDL File
Example: Java Binding
Example: SOAP Binding
WSDL File
Example port
Additional Classes
Example: Client Code
More Advanced Scenario
Using Stubs
Generate the Stub
Example Stub
Example Client Code

13. Web Services Inspection Language (WSIL)

Introduction
More Detail
WSIL XML Syntax
Example XSIL File
Service Description
WSDL Binding Information
Example: WSDL Binding
UDDI Binding Information
Java API
Example: WSIL4J
Working With WSDL Description
WSIL Document Publication

14. Web Services Security (WS-Security)

The Challenges
Public Key Infrastructure (PKI)
Digital Signature
Overview of WS-Security
WebSphere and Web Services Security
Integrity
Example: Signed XML Document
Canonicalization
Enable WS Integrity in WSAD
Confidentiality
Enable WS Confidentiality in WSAD
Security (Identity) Token
Enable Identity Token in WSAD

15. Web Services Software Development Methodology

Introduction
Software Lifecycle
Service Provider
Provider: Green Field
Provider: Top-down
Provider: Bottom-up
Provider: Meet in the middle
Service Requester
Requester: Static
Requester: Semi-static
Requester: Dynamic

Appendix. SOAD & Web Services

Objectives
Introduction to SOAD
Applying OOAD Principles
Abstraction
Abstraction in SOAD
Encapsulation
Encapsulation in SOAD
Modularity
Modularity in SOAD
Hierarchy
Hierarchy in SOAD
Why OOAD is not Enough
Granularity
Loose Coupling
The SOAD Methodology
Stage 1 - Process Modeling
Stage 1 – Process Modeling
Sample Use Case in a Business Process Document
Sample Use Case - continued
Example Business Process Diagram
Example BPEL Document
Example BPEL Document - continued
Stage 2 – Service Identification
Example Service Identification
Stage 3 - Service Design and Implementation
Stage 4 - Process Implementation
Summary

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