Students who can benefit from this course are business component and client developers who are interested in incorporating web service technology in Java and J2EE platform applications.

• Implement and deploy a J2EE platform application containing web and Enterprise JavaBeans (EJB)-tier components
• Assemble, deploy, and test a distributed Java platform technology application
• Use the Ant build environment (or other tool sets required by the labs)
• Describe the steps required to design and architect an enterprise application

• Implement a web service using Java technology components
• Implement a J2EE platform web service
• Implement a web service client that accesses the functionality provided by a J2EE platform web service

Module 1 - Interoperable Web Services

• Describe the motivation for developing and using web services in business software
• Describe the characteristics of a web service
• List and describe the standards on which web service architecture is founded
• List and describe the primary web service initiatives, specifications, and application programming interfaces (APIs)
• Describe the Web Services Interoperability Organization (WS-I) Basic Profile and its importance to the web services community

Module 2 - Java Web Services Technologies and Platforms

• Describe the support, APIs, and benefits provided by the Java programming language for creating web services
• Describe the service support, architectural options, endpoint models, and benefits provided by the J2EE platform for creating web services
• Create, deploy, and test a web service on the J2EE platform

Module 3 - Extensible Markup Language (XML) Overview

• Define XML
• Describe XML syntax and its purpose
• Describe the significance of XML namespaces
• Describe the Document Type Definition (DTD) and its use in an XML document
• Describe the significance of XML namespaces
• Define the structure and purpose of an XML schema

Module 4 - XML Processing APIs

• Define the need for processing XML documents
• Describe the XML system architecture
• Describe Simple API for XML (SAX)
• Describe Document Object Model (DOM)
• Describe Java API for XML Processing (JAXP)
• Describe Java API for XML Binding (JAXB)
• Describe Extensible Stylesheets Language Transformations (XSLT)

Module 5 - Simple Object Access Protocol (SOAP)

• Describe the function of SOAP in the web services architecture
• Describe the structure of a SOAP message and the function of each primary SOAP element
• Describe the characteristics of the Internet transport protocols commonly used to transmit a SOAP message
• Describe the information models available when creating SOAP-based web services
• Describe the techniques for encoding information within the body of a SOAP message
• Describe the function of the SOAP with Attachments specification
• List the pros and cons of using SOAP as a message format and describe an alternative architecture for transmitting XML-based information between applications

Module 6 - SOAP With Attachments API for Java (SAAJ)

• Describe the function of the classes, interfaces, and methods contained in SAAJ
• Describe the relationship between SAAJ and DOM and the impact this has on a web service developer
• Create and manipulate a SOAP message using the classes, interfaces, and methods contained in SAAJ
• Create and manipulate a SOAP message with attachments using the classes, interfaces, and methods contained in SAAJ
• Describe how to manage namespaces included in a SOAP message using SAAJ

Module 7 - Web Services Description Language (WSDL)

• Describe the role that an interface description language (IDL) plays in a distributed computing environment
• Describe the role that WSDL plays in the web service model and the primary elements contained in a WSDL file
• Describe the role of extensibility elements used in a WSDL file
• Compare the use of WSDL in document-style and remote procedure call (RPC)-style services

Module 8 - The Service Registry

• Describe the purpose of a service registry
• Define the two types of service registries
• Describe the purpose of eXtensible Markup Language (ebXML)
• Describe the purpose of Universal Description, Discovery, and Integration (UDDI)
• Describe the data structures defined in UDDI
• Describe the API exposed to the client by UDDI implementations
• Describe the purpose of the Java API for XML Registries (JAXR)
• Use the JAXR API to access a UDDI registry

Module 9 - Java API for XML-based RPC (JAX-RPC)

• Describe the functionality provided by JAX-RPC for creating web services
• Describe how you can create web services or service clients using the wscompile tool
• Use the Java-to-WSDL development approach to create a web service
• Use the WSDL-to-Java development approach to create a web service and a web service client
• Compare the two development approaches supported by JAX-RPC for creating web services and service clients

Module 10 - JAX-RPC Advanced Concepts

• Describe how JAX-RPC supports SOAP messages that include attachments
• Use JAX-RPC to create a message handler that processes the contents of a SOAP message header
• Describe how JAX-RPC supports J2EE components as web services
• Describe the session support mechanism provided by JAX-RPC
• Describe the types of web service clients that you can use with JAX-RPC and the criteria that you should use to determine the type of client most appropriate for accessing a given service

Module 11 - Security

• Describe some of the security issues relating to web services and the basic techniques that you can use to address some of these issues
• Describe the function of public- and private-key encryption and digital signatures when implementing a security solution for an enterprise application
• Describe the common techniques used to implement a security solution for Java technology and J2EE platform web services

Module 12 - Design and Quality Guidelines

• Describe the use of J2EE design patterns in web services architecture
• Apply J2EE design patterns in practical cases
• Describe Quality of Service (QoS) issues specific to web services
• Describe exceptions generation and handling in web service interactions