J2EE Web Services Course Details

XML and related technologies

• XML Overview
• XML Schema Defintion (XSD)  

Overview of Web Services

• Why Web Services?
• Service-Oriented Architecture
• HTTP Protocol
• Simple Object Access Protocol (SOAP)
• Web Service Description Language (WSDL)
• RESTFul web servcies  

Java API for XMl Processing(JAXP)

• JAXP Introdcution
• Overview of SAX
• Overview of DOM
• SAX Parser
• SAX Parser Example
• Handlers
• Parser With a Handler
• Error Handlers
• DOM Parser
• Error Handling
• DOM Nodes
• The Document Interface
• Creating an XML Document
• Exercises and Assignments

Java API for XML Binding (JAXB)

•  JAXB Introduction
•  Schmema to Object Mapping
•  Marshalling and Unmarshalling Features
•  XJC complier usuage
•  Object to XML Conversion
•  XML to Object COnversion

 The Simple Object Access Protocol( SOAP)

• SOAP Messaging Model
• SOAP over HTTP
• The SOAP Envelope
• SOAP Body and SOAP Header
• Document and RPC Mode of Communcation
• RPC Literal and Encoded Types
• SOAP Faults.
• SOAP 1.1 and SOAP 1.2 Faults

 Web Services Description Language( WSDL)

• Web Services as Component-Based Software
• The Need for an IDL (Interafce Definition Language)
• WSDL Structure Deatils
• The Abstract Model -- Service Semantics
• The Concrete Model -- Ports, Services, Locations
• Extending WSDL -- Bindings
• Service Description

 The SOAP with Attachments API for Java (SAAJ)

• The SAAJ Object Model
• Parsing a SOAP Message
• Creating a SOAP Connection
• Using SAAJ API to communciate to WS

Java API for XML Based Web Services (JAX-WS)

•          JAX-WS Basics
• The @WebService Annotation
• The @WebMethod Annotation
• The @WebParam Annotation
• The @Return Annotation

Java API for Remote Procedure Call (RPC)

• JAX-RPC Introduction
• Java to WSDL Approach
• WSDL to Java Approach
• Service Provider Implementation

JAX-RPC Client-Side Development

• Using WSDL to generate client side code
• Stubs and Proxies
• Generated Code
• Locating a Service
• Invoking a Service

RESTFul Web Services (JAX-RS)

• Introduction to REST
• REST and  HTTP
• RESTful Architectural Principles
• Designing RESTful Services
• Model the URIs
• Assigning HTTP Methods
• Your First JAX-RS Service
• Developing a JAX-RS RESTful Service
• Deploying Our Service on Jersey Container

Rest vs SOAP 

•         Comparison of REST and SOAP
• Usage scenarios for REST and SOAP
• Integrated Approach

Web Services Security

•    Introduction to WS-Security
•    Security Architecture Taxonomy
•    XML Signature
•    XML Canonicalization
•    Public and Private Key Encryption

Training Materials:

1) Presentation and Decks.
2) Exercises for each module.
3) Worked out examples.
4) Resume Preparation Guidance