Creating Web Services Using Java Technology

Course Overview

Students who can benefit from this course are business component and client developers who are interested in incorporating web service technology in Java and Java EE 5 platform applications.

Skills Gained

Upon Completion Of This Course, Students Should Be Able To:

• Identify the building blocks of web services
• Analyze the Java web services technology and platform
• Implement XML processing APIs
• Explain and monitor SOAP messages
• Apply SOAP With Attachments API for Java (SAAJ) in web services
• Explain the Web Services Description Language (WSDL) and create a WSDL file
• Recognize the role of a Service Registry
• Implement Java API for XML Web Services (JAX-WS) technology
• Develop web service clients

Prerequisites

To succeed fully in this course, students should be able to:

• Implement and deploy a Java EE platform application containing web-tier and Enterprise JavaBeans (EJB) components
• Assemble, deploy, and test a distributed Java platform technology application
• Use the Ant build environment (or other tool sets required by the labs)

Course Outline

Module 1 - Identifying the Building Blocks of Web Services

• Define a web service
• Explore the need for web services
• Identify the characteristics of a web service
• List the primary web service initiatives, specifications, and Application Programming Interfaces (APIs)
• Recognize the Web Services Interoperability Organization (WS-I) Basic Profile and its importance to the web services community
• Examine the sample application
• Recognize the various example and demonstration scenarios used in this course
• Deploy and test the sample application

Module 2 - Analyzing the Java Web Services Technology and Platform

• Deploy and test a web service as a servlet endpoint
• Deploy and test a web service as an Enterprise JavaBeans (EJB) component endpoint
• Run client applications that consume a web service

Module 3 - Applying XML Processing APIs

• Apply Java Architecture for XML Binding (JAXB) in a REST-based web service
• Apply Simple API for XML (SAX) to format the output of a REST-based web service

Module 4 - Examining SOAP Messages

• Examine various SOAP messages
• Monitor SOAP messages being transmitted from a web service to a client and review SOAP fault messages

Module 5 - Developing Web Services Using the SOAP With Attachments API for Java (SAAJ)

• Create a web service using SOAP with Attachments API for Java (SAAJ)
• Consume a SAAJ-based web service

Module 6 - Explaining the Web Services Description Language (WSDL)

• Identify the abstract model and concrete model of a WSDL file
• Create a WSDL file to describe a web service

Module 7 - Recognizing the Role of Service Registry

• Describe the purpose of a service registry
• Describe Universal Description, Discovery, and Integration (UDDI)
• Describe electronic business XML(ebXML)
• Identify the features of the ebXML registry
• Use the Java API for XML Registries (JAXR) to access an ebXML registry
• Describe the JAXR API

Module 8 - Implementing Web Services Using Java API for XML Web Services (JAX-WS) Technology

• Create a web service from a WSDL file
• Create a JAX-WS web service as a servlet endpoint
• Create a JAX-WS web service as an EJB component endpoint

Module 9 - Developing Web Service Clients

• Create a JAX-WS web-service client using a Dynamic Proxy
• Enable a web application to consume a JAX-WS-based web service

Follow Up Courses

Before:

• Developing Applications for the Java EE Platform (FJ-310-EE5)
• Object-Oriented Analysis and Design Using UML (OO-226)
• Web Services Infrastructure and Organizations (WJO-1114)
• Web Services Enabling Technologies (WJO-1118)

After:

• Developing Secure Java Web Services (DWS-4120-EE5)

Creating Web Services Using Java Technology / DWS-3111-EE5