Web Services training: Developing Java Web Services for Java EE 5

Course Number: JWS-102
Duration: 5 days
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Java Web Services Training Overview

Accelebrate's Web Services training: Developing Java Web Services for Java EE 5 prepares Java programmers to develop interoperable Java Web services using SOAP, WSDL, and XML Schema. Students get an overview of the interoperable and Java-specific Web services architectures, and then learn the standard APIs for SOAP messaging and WSDL-driven, component-based service development. Both document-style and RPC-style messages and services are covered in depth.

Location and Pricing

Most Accelebrate courses are taught on-site at our clients' locations worldwide for groups of 3 or more attendees and are customized to their specific needs. Please visit our client list to see organizations for whom we have recently delivered training. These courses can also be delivered as live, private online classes for groups that are geographically dispersed or wish to save on the instructor's or students' travel expenses. To receive a customized proposal and price quote private training at your site or online, please contact us.

In addition, some courses are available as live, online classes for individuals. To see a schedule of online courses, please visit http://www.accelebrate.com/online_training/?action=category&page=javaxmlws.

Java Web Services Training Prerequisites

Strong Java^® programming skills are essential.
Students must be able to read XML documents and to write well-formed XML by hand.
Experience with other Java EE standards, especially servlets and JSP, will be very helpful in class, but is not strictly required.

Hands-on/Lecture Ratio

This class is 70% hands-on, 30% lecture, with the longest lecture segments lasting for 20 minutes.

Java Web Services Training Materials

Attendees receive more than 400 pages of comprehensive courseware and a copy of Addison-Wesley's J2EE Web Services.

Software Needed on Each Student PC

This course is taught on the reference implementation of Java EE 5. Please contact us for a detailed setup sheet.

Java Web Services Training Objectives

After this training, attendees shall be able to:

Describe the interoperable web services architecture, including the roles of SOAP and WSDL.
Understand the importance of the WS-I Basic Profile for interoperable web services.
Build JAX-WS services and clients that take full advantage of the automated data binding of JAXB.
Use lower-level SOAP and XML APIs for services and/or clients.
Customize data binding by specifying specific type mappings or altering method or parameter names.
Expose session beans as web services.
Incorporate binary data, such as images, into service and client code.

Java Web Services Training Outline

Overview of Web Services

Why Web Services?
Service-Oriented Architecture
HTTP and XML
Simple Object Access Protocol (SOAP)
Web Service Description Language (WSDL)
Universal Description, Discovery and Integration (UDDI)
The WS-I Basic and Related Profiles
REST

Web Services for Java EE

Hosting Web Services: Scenarios
Invoking Web Services: Scenarios
Web Services for Java EE (WS4JEE)
The Automated Approach: JAX-WS and JAXB
Manual Options: SAAJ and JAXP
Portable Web-Services Metadata
Service Registries: JAXR

The Simple Object Access Protocol

Messaging Model
Namespaces
SOAP over HTTP
The SOAP Envelope
The Message Header
The Message Body
SOAP Faults
Attachments

The Java API for XML Binding

The Need for Data Binding
XML Schema
Two Paths
JAXB Compilation
Mapping Schema Types to Java
Java-to-XML Mapping Using Annotations
Marshaling and Unmarshaling
Working with JAXB Object Models
In-Memory Validation

Web Services Description Language

Web Services as Component-Based Software
The Need for an IDL
Web Services Description Language
WSDL Information Model
The Abstract Model -- Service Semantics
Message Description
Messaging Styles
The Concrete Model -- Ports, Services, Locations
Extending WSDL -- Bindings
Service Description

The Java API for XML-Based Web Services

Two Paths
How It Works: Build Time and Runtime
The Service Endpoint Interface
Working from WSDL
Working from Java
RPC and Document Styles
One-Way Messaging
Binary Protocols

WSDL-to-Java Development

The @WebService Annotation
Generated Code
Compilation and Assembly
Deployment
Runtime Behavior
Scope of Code Generation
More JAXB: Mapping Collections
More JAXB: Mapping Enumerations
Throwing Exceptions

Client-Side Development

Stubs and Proxies
Generated Code
Locating a Service
Invoking a Service
Exception Handling

Java-to-WSDL Development

The @WebMethod, @XmlParam, and Related Annotations
Scope of Code Generation
More JAXB: Mapping Inheritance
Controlling the XML Model
Controlling the WSDL Description

JAX-WS Best Practices

Which Way to Go?
Interoperability Impact
Portability Impact
Polymorphism in Web Services
Web Services as Java EE Components
lifecycle Annotations
Context Interfaces
The @WebServiceRef Annotation

Provider and Dispatch APIs

Stepping Down
The Provider<T> Interface
Implementing a Provider
JAXB Without WSDL
Integrating JAXP
The Dispatch<T> Interface
Building Clients

The SOAP with Attachments API for Java

The SAAJ Object Model
Parsing a SOAP Message
Reading Message Content
Working with Namespaces
Creating a Message
Setting Message Content

Message Handlers

Handling SOAP Headers
Servlet Endpoint Context
MessageContext and SOAPMessageContext
Message Handlers and Handler Chains
Processing Model and Patterns
Client-Side Handlers

EJBs as Web Services

Enterprise JavaBeans
Three Tiers for Java EE
EJB3 and JAX-WS
Session Beans as Web Service Endpoints
The Bean's Service Endpoint Interface
SOAP as an EJB Protocol
Pitfalls

Handling Binary Content

The WS-I Attachments Profile
Using base64Binary
MIME Attachments
JAX-WS Support
MTOM and XOP
SAAJ Support

Conclusion

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