Web Services

Contents

1. Introduction to Web Services

1.    Introduction

2.    Need and Definition of Web Services

3.    Evolution and Emergence of Web Services

3.1   Distributed Computing

3.2   Core Distributed Computing Technologies

4.    Basic Operational Model of Web Services

5.    Tools and Technologies Enabling Web Services

5.1   Components of Web Services

6.    The Service Oriented Architecture (SOA)

7.    Use of Web Services in Cloud 

8.    Benefits and Challenges of Using Web Services

2. Web Services Architecture

1.    Introduction

2.    Web Services Architecture and its Characteristics

3.    Web Service Lifecycle (Implementation View)

4.    Core Building Blocks of Web Services

4.1   WSDL Document Elements

5.    UDDI (Universal Description, Discovery and Integration)

6.    Standards and Technologies Available for Implementing Web Services

6.1   Developing Web Services- Enabled Applications  

6.2   Web Services Implementation Using J2EE Environment

6.3   Developing Web Services using J2EE: An Example

7.    Basic Steps of Implementing Web Services

3. SOAP: Simple Object Access Protocol

1.    Introduction

2.    Inter Application Communication and Wire Protocols

2.1   SOAP as a Wire Representation

2.2   Soap as a Message Protocol

3.    Structure of a SOAP Message

3.1   SOAP Envelope

3.2    SOAP Header

3.3   SOAP Body

4.    SOAP Communication Model

4.1   RPC-Style Web Services

4.2    Document (Message)-Style Web services

5.    Building SOAP Web Services

6.    Developing SOAP Web Services Using Java

7.    Error Handling in SOAP

8.    Advantages and Disadvantages of SOAP

4. Describing, Registering and Discovering Web Services

1.    Introduction

2.    WSDL

2.1   WSDL in the World of Web Services

2.2   Web Service Lifecycle

2.3   Anatomy of WSDL Definition Document

2.4   WSDL Bindings

2.5   WSDL Tools

2.6   Limitations of WSDL

3.    Service Discovery

3.1   Role of Service Discovery in SOA

3.2   Service Discovery Mechanism

4.    UDDI

4.1   UDDI Registries

4.2   Uses of UDDI Registry

4.3   UDDI Specifications

4.4   Programming with UDDI

4.5   UDDI Data Structures

4.6   Support for Categorization in UDDI Registries

4.7   Inquiry API and Publishing API

4.8   Publishing Information to a UDDI Registry

4.9   Searching Information in a UDDI Registry

4.10    Deleting Information in a UDDI Registry

4.11    Limitations of UDDI

5. The REST Architectural Style

1.    Introducing HTTP

1.1   The HTTP Request and Response

2.    The Core Architectural Elements of a RESTFUL System  

2.1   Characteristics of RESTful systems 

3.    RESTful Architecture

4.    Description and Discovery of RESTful Web Services

5.    Java Tools and Frameworks for Building RESTful Web Services

6.    JSON Message Format and Tools and Frameworks around JSON

7.    Design Guidelines for Building RESTful Web Services  

8.    Secure RESTful Web Services

9.    Build RESTful Web Services with JAX-RS APIs