Who Can Benefit

Students who can benefit from this course are business component designers who are interested in leveraging the various web services technologies available in the Java EE 5 platform. 

Prerequisites

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

• Describe Java web services technologies and platforms
• Describe web services specifications and Application Programming Interfaces (APIs)
• Implement a web service using Java technology components
• Implement a Java EE web service
• Implement a web service client that accesses the functionality provided by a Java EE web service

Skills Gained
Upon completion of this course, students should be able to:

• Describe Service-Oriented Architecture (SOA)
• Describe web services as a realization of SOA
• Describe Java technologies for web services development
• Implement a servlet endpoint as a web service using Java API for XML Web Services
• Implement an Enterprise JavaBeans (EJB) endpoint as a web service using JAX-WS
• Describe and implement various web services-based design and deployment patterns
• Describe and apply various best practices for designing web services
• Handle exceptions in web services using SOAPFaultException
• Implement user-defined exceptions in web services
• Identify web services security requirements and solutions
• Secure a web service using basic authentication
• Implement message-layer security in web services
   

Related Courses

Before:

• Creating Web Services Using Java Technology (DWS-3111-EE5)
• Web Services Infrastructure and Organizations (WJO-1114)
• Overview of XML (WJO-1115)
• Web Services Enabling Technologies (WJO-1118)
• Developing Architectures for Enterprise Java Applications (SL-425)
• J2EE Patterns (SL-500)

After:

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

Course Content

Module 1 - Analyzing Web Services Opportunities

• Describe Service Oriented Architecture
• Discuss web services as a realization of SOA
• Explain the advantages of web services-based SOA approach
• Examine the Java technologies for web services development
• Discuss typical web services scenarios
• Implement a servlet endpoint as a web service using Java API for XML Web Services (JAX-WS)
• Implement an Enterprise JavaBeans (EJB) endpoint as a web service using JAX-WS

Module 2 - Design Patterns and Best Practices for Web Services

• Describe design patterns in the context of web services
• Describe web services-based design patterns, such as Asynchronous Interaction, JMS Bridge, Web Service Cache, Web Service Broker, and Web Service Logger
• Impement web services-based design patterns as part of an application
• Describe web services-based deployment patterns, such as HTTP load balancing and container cluster
• Describe best practices for designing web services, such as proper styles to instantiate SOAP messages or strategies for organizing complex WSDL files

Module 3 - Handling Exceptions in Web Services

• Describe exception generation and handling
• Describe the JAX-WS API exception classes, such as SOAPFaultException and HTTPException
• Use pre-defined exception classes in web services
• Use custom-defined exception classes in web services
• Describe exception management in web services
• Handle exceptions in web services using SOAPFaultException
• Implement user-defined exceptions in web services

Module 4 - Securing Web Services

• Describe web services security requirements
• Discuss cryptography techniques and digital signatures
• Examine web services security solutions
• Secure a web service using basic authentication
• Implement message-layer security in web services 
   

Kursprache Deutsch, Unterrichtsmaterial überwiegend in  englischer Sprache.