SOA 1075 - XML & Web Services Overview

1. 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 RAD6
• WS-I Compliance in RAD 6
• WS-I Compliance at Project Level
• Web Services Support in RAD
• Summary

2. XML Programming

• Objectives
• XML Overview
• Data and Document Structure
• An Employee Document
• Tags
• First XML
• Markup Languages
• What is XML ?
• Why XML?
• An Example of XML Document
• Well-formed vs. Valid XML Document
• Enforcing Validity: DTDs
• Presentation Style
• Sections of an XML Document
• XML Elements
• Nesting and Hierarchy of XML Elements
• Tag Attributes
• Naming Rules
• Namespaces
• Using Namespaces
• Java API for XML
• The XML Example
• Example SAX Handler
• Example: Begin Parsing
• Once Again With Namespace
• Using DOM to Parse
• With Namespace Enabled
• Example: Build DOM Document
• Example: Save DOM Document in a File
• Summary

3. XML Schema Basics

• Objectives
• What is XML Schema?
• Creating a Schema File
• Defining a Simple Element
• Defining a Complex Element
• Defining Element Attributes
• Referring to an Element From Another Element
• Defining Abstract Data Types
• Adding Restrictions
• Referring to a Schema from a XML Document
• Summary

4. Web Services Description Language (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 SOAP Binding Extensions
• soap:binding
• soap:operation
• RPC or Document Style?
• WSDL API for Java
• Summary

5. Simple Object Access Protocol (SOAP)

• Objectives
• SOAP Overview
• SOAP In Protocol Stack
• SOAP Components
• Message Envelope
• Message Envelope - Headers
• SOAP HTTP Request Example
• SOAP HTTP Response Example
• Header Attributes
• SOAP Body
• SOAP Fault
• Communication Style
• RPC/Encoded Style
• RPC/Literal Style
• Document/Literal Style
• Document/Literal Wrapped Style
• Details of the Wrapped Style
• Summary

6. Web Services Software Development Methodology

• Objectives
• Need for a Software Methodology in Web Services
• The Software Lifecycle
• Software Lifecycle
• Service Provider
• Provider: Green Field
• Provider: Top-down
• Provider: Bottom-up
• Provider: Meet in the Middle
• The Service Requester
• Summary

Appendix A. Introduction to UDDI

• Objectives
• UDDI Overview
• 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