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In this course, you will be introduced to the fundamentals of Service Oriented Architectures (SOA) and the core standards that enable web services. You will focus on what separates an ad hoc set of web services (NOT SOA) from a managed, vibrant, reusable catalog of enterprise services (definitely SOA). You will examine the entire spectrum from the promise of cloud computing to the grit of XML content. You will get a clear picture of how a service orientation can fundamentally change the dynamics of how software is developed and "lives" within an enterprise.

You will gain a better understanding of the fundamental technologies used in web services. This understanding is critical to being able to diagnose, troubleshoot, tune, and perform other lifecycle activities. You will leave the course armed with the required skills to design, implement, test, and support J2EE web services.



Highlights:
  • Basic concepts of SOA to the identification and design of web services
  • Web services and the core technologies involved
  • Concept of layered services including orchestration
  • Design, develop, and deploy real-world J2EE web services
  • Expose existing Java components as XML web services
  • Write Java components that access remote Web Services hosted by a third party
  • WSDL (Web Services Description Language) document
  • Parse, process, and respond to a SOAP message
  • Concepts behind Representational State Transfer (REST) and implementation of a REST-based web service
  • Implement handlers to inject cross-cutting solutions for security, logging, auditing, and other needs
  • Work with WS-Security to protect content, resources, and other assets
  • Utilize web service-related design patterns

Audience:

J2EE developers and architects who need to identify, design, and implement web services


1. SOA

  • Architectural Style - Common Framework
  • Loose Coupling - Spectrum of Options
  • Software Agents - Services
  • Interacting - Orchestrated
  • Services vs. SOA
  • Business Perspective
  • Technical Perspective
  • Myths and Realities
  • SOA and Web Services

2. SOA - The Business Proposition

  • Motivation for SOA
  • Typical Software Project
  • Service Model
  • Service Consumer
  • Service Bus
  • Commonality is Critical Element of SOA
  • Service Provider
  • Business Process: OpenCheckingAcct
  • SOA Addresses
  • SOA Help Deals with Change
  • Leverage SOA to
  • Benefits of SOA
  • SOA Maturity Models Abound
  • Incremental Adoption of SOA

3. SOA - An Architectural Perspective

  • Enterprise Application Layers
  • Application Layers at a Glance
  • Services and their Formal Contracts
  • Services Should be Stateless
  • Objects, Components, and Services
  • Challenge and Limitations of Legacy Systems

4. SOA - A Development Perspective

  • Strategic Orientation
  • Tactical Strategy
  • Lifecycle Phases
  • SOA Roles and Skills (Existing and New)
  • Business is the Starting Point
  • Service-Oriented Analysis and Design (SOAD)
  • SOAD Process
  • Service Identification
  • Service Modeling Guidelines
  • Model For Cross-Application Reuse
  • Preventing Boundary Logic Creep
  • Target a Balanced Model

5. Service-Oriented Architecture

  • Technical Principles
  • Logical Components of a SOA
  • Business Process-Driven Development
  • SOA Business Modeling and Reference Architecture
  • Business vs. Application
  • Service Layers
  • Application, Functional, and Business Process Services
  • Two Messaging Models
  • Publish/Subscribe
  • Logical View of Publish/Subscribe
  • Point-to-Point (P2P)
  • Message Servers
  • SOAP
  • Role and Uses of an Enterprise Service Bus
  • Enterprise Service Bus
  • Challenge and Solution of Handling Transactions
  • Security
  • Governance

6. Service-Oriented Analysis and Design

  • Lifecycle Phases
  • Service Identification
  • Service Specification
  • Results
  • Service Realization
  • SOA Reference Architecture
  • Results and Realization
  • Systematic Process to Achieving these Results

7. Web Services

  • Crossing Boundaries
  • Six Key Components
  • Characteristics and Architecture
  • Technology Comparison
  • Enable Decoupling
  • Challenges
  • Secure Services
  • Spec and Standard Evolution
  • Interoperability Organization

8. Web Services, Java, and J2EE

  • XML Signature
  • XML Digital Signatures
  • XML Encryption
  • Java API for XML Processing (JAXP)
  • Java Architecture for XML Binding (JAXB)
  • JAX-WS
  • SOAP with Attachments API for Java (SAAJ)
  • JAX-WSA and XWSS
  • APIs
  • J2EE and Web Services
  • Web Services Metadata
  • Web Services Interoperability Technologies (WSIT)
  • JBossWS
  • Java Web Services Developer Pack (JWSDP)
  • WebSphere WS

9. Web Services Quickstart

  • WSIT Tool Support
  • How is WSIT Used?
  • Web Service Development with WSIT
  • Debugging Web Services
  • TCP/IP Monitors Provide View of Wire

10. XML, Namespaces, and Schema

  • XML
  • XML Application-Specific Information
  • Content
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