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Training
Overview
This course will integrate a combination of instructor-led discussions and interactive workshops to demonstrate the capabilities of Web Service within ecommerce applications. This seminar will illustrate the building, testing and deployment of Web Services, explore their fundamental capabilities, utilization of SOAP and XML, role of WSDL (Web Services Descriptive Language), use of UDDI registries and the development of JavaBeans and EJBs as Web Services.
Prerequisites
Each student should have a basic knowledge of RAD v6.x and have been exposed to the Java programming language.
Class Format
Lecture and Lab
Audience
Java developers, web page designers and other professionals thatwill be developing Web Services using Rational Application Developer v5.x.
Learning Objectives
Upon conclusion participants will have acquired these skills:
Understand the architecture of Service Oriented Architecture
Explain the roles of SOAP and XML
Demonstrate the conversion of JavaBeans and EJBs to function as Web Services
Illustrate the use of Web Services Descriptive Language (WSDL)
Depict the SOAP processing architecture: messages and bindings
Understand the architecture of Apache Axis
Develop Web Service from a JavaBean using RAD v6.x
Depict process of serialization in SOAP and compare to J2EE equivalent
Demonstrate the development of Web Service client applications
Test Web Services application using RAD v6.x
Depict the UDDI registry model architecture
Illustrate WebSphere Web Services Gateway architecture
Illustrate the deployment of Web Services to the WebSphere Application Server environment
Course Duration
3 Days
Course outline
Web
Services Overview
Service Oriented Architecture
o UDDI Registries
o Service Requestor
o Web Service
B2C vs B2B
Defining XML
SOAP
o Architecture
o Messages
Web Services Descriptive Language
o Definition
o Usage
Web Services Implementation
Components
o SOAP
o XML
o UDDI
o WSDL
J2EE Integration
ECommerce usage
o Hosted
o Published
o Discovery
o Usage
RAD Development
Introduction to
SOAP
Overview
SOAP Messages
o Envelope
o Header
o Body
SOAP transport protocols
o HTTP
o FTP
o SNMP
Error processing
Attachments
Bindings
Illustrating
Apache Axis
Overview of Axis
Axis architecture
o Handlers and message paths
o Server message path
o Client message path
Message Flow subsystem
o Handlers and chains
o Message Contexts
o Engine
Message Models
o SOAP Model
o Message elements
o Deserialization
Encoding
WSAD Web Services
Development
RAD Tool support
Web Services wizard
o Deployment settings
o Java to XML mappings
o Binding Proxy generation
o XML to Java mappings
o SOAP Binding Mapping configuration
Generated files
o Client
o Proxy
Deployment
o Testing/Debugging
o Publishing
Tracing SOAP Messages
Web
Services Descriptive Language
Illustrate role of WSDL
Components
o Types
o Porttypes
o Binding
o Service
Attachment support
WSDL and the client
Creation via RAD (Top/Down)
Building
Web Services Clients
Depict client requirements
Construct Web Service client using
Apache SOAP
RADClient development
o Use of WSDL
o Wizards
o Source
Depict functions of a Web Service proxy
J2EE
Packaging and Deployment
J2EE Application packaging
Packaging WAR files
Class loading policies
Enterprise application installation
Deployment Descriptors
o web.xml
o ejb-jar.xml
o application.xml
Enterprise Application (EAR) deployment
Web Service requirements
o Runtime files
o Application Server impact
o Java client requirements
Building
Web Services Clients
Web Service from URL
o Servlet Overview
o Create URL Web Service
o Generated files
o Testing
Web Service from EJB
o Session vs Entity EJBs
o Session EJBs
Stateless
Stateful
o EJB Lifecycles
o Web Service from EJB
RAD tools
Files created
Overview
of UDDI Registries
Static vs dynamic Web Services
Web Services discovery
o Global
o Private
o Business Partners
UDDI Versions
UDDI Models
o White
o Yellow
o Green
Use of tModels
UDDI Data Models
WSDL and UDDI
o Illustration
o Associate WSDL with Web Service
o Locate Web Services for WSDL document
WebSphere Application Server v6 Deployment
Web Services Gateway
o Service Mapping
o Transformation
o UDDI Publication and Lookup
o Security
Handling inbound requests
Handling outbound requests
Protocol transformation
Non-SOAP services access
Deployment
o J2EE Packaging
o Use of EAR files
Please contact your training representative for more details on having this course delivered onsite or online
