Students who can benefit from this course are:

• Java Developers building business components and web clients
• Java Developers interested in preparing for the Sun Certified Java Web Services Developer examination

• Demonstrate some knowledge of the declarative programming concepts used in the Java EE technology and be able to create simple Java EE applications
• Create a Java web service
• Demonstrate proficiency with XML and interpret XML documents
• Display experience with the Java programming language and distributed programming (multi-tier architectures)

• Identify the building blocks of web services
• Analyze the Java web services technology and platform
• Describe Service-Oriented Architecture (SOA)
• Describe web services as a realization of SOA
• Describe Java technologies for web services development
• Implement web services using Java API for XML Web Services (JAX-WS)
• Implement web services using Java API for XML Restful Services (JAX-RS)
• Implement an Enterprise JavaBeans (EJB) endpoint as a web service using JAX-WS and JAX-RS
• 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
• Develop web service clients for JAX-WS- and JAX-RS-based web services
• Describe and implement various web services-based design and deployment patterns
• Describe and apply various best practices for designing web services

Module 1 - Introduction to Web Services

• Explore the need for web services
• Define a web service and describe the motivation behind developing and using web services in business software
• Describe the characteristics of a web service
• Describe the two major approaches to developing web services
• Describe the advantages of developing web services within a JavaEE container

Module 2 - JAX-WS-based Web Services

• Understand how to create web services using JAX-WS:

1. Bottom-up, starting from Java classes
2. Top-down, starting from WSDL descriptions

• Understand how to deploy web services providers using JavaSE
• Understand how to create and deploy simple web services clients using JavaSE

Module 3 - SOAP and WSDL

• Understand the basic structure of a SOAP message, and how it is encapsulated by transports
• Understand how WSDL defines a web service, including its message representation and transport mechanism
• Understand the different styles of SOAP messages that a web service can use, and their trade-offs
• Customize a web service to control the style of SOAP message that that web service will use

Module 4 - JAX-WS and JavaEE

• Understand how to deploy POJO web services to a web container
• Understand how to define a web service in terms of an Enterprise Java Bean
• Understand how to deploy an EJB web service to an EJB container
• Describe the benefits associated with implementing a web service as an EJB

Module 5 - Implementing More Complex Web Services Using JAX-WS

• Apply JAXB to pass complex objects to and from a web service
• Understand how to map Java exceptions from a web service endpoint to SOAP faults
• Understand how to inject attributes into JAX-WS web service endpoints
• Describe JAX-WS artifacts that can be injected and how to use them

Module 6 - JAX-WS Web Service Clients

• Understand how to create web service clients using JAX-WS
• Understand how to create web service clients using JAX-WS that support asynchronous interactions

Module 7 - Introduction to RESTful Web Services

• Understand what RESTful Web Services are
• Understand the five principles behind RESTful Web Services
• Understand the advantages and disadvantages of a RESTful approach

Module 8 - JAX-RS-based Web Services

• Understand how the five principles of RESTful web services map to JAX-RS constructs
• Understand how to implement REST web services using JAX-RS
• Understand how to deploy REST web services using Jersey, an implementation of JAX-RS

Module 9 - JAX-RS-based Web Service Clients

• Understand how to create JAX-RS clients using URL and HttpURLConnection
• Understand how to create JAX-RS clients using the Jersey Client API

Module 10 - JAX-RS and JavaEE

• Understand how to deploy POJO web services to a web container
• Understand how to define a web service in terms of an Enterprise Java Bean
• Understand how to deploy an EJB web service to an EJB container
• Describe the benefits associated with implementing a web service as an EJB

Module 11 - Implementing More Complex Web Services Using JAX-RS and Jersey

• Understand how to produce and consume custom types
• Define JAX-RS web services that provide results by linking to other resources
• Understand how to manage exceptions
• Define JAX-RS web services in terms of resources and sub-resources
• Understand the different scopes defined by JAX-RS for web services endpoints

Module 12 - Trade-Offs Associated with the Java Web Services APIs

• Understand the trade-offs involved in the choice to implement a web service using either JAX-WS or JAX-RS technology

Module 13 - Web Services Design Patterns

• Describe web services-based design patterns
• Describe web services-based deployment patterns

Module 14 - Best Practices and Design Patterns for Use with JAX-WS

• Describe JAX-WS-specific design patterns
• Recognize and apply best practices associated with implementing web services using JAX-WS

Module 15 - Best Practices and Design Patterns for Use with JAX-RS

• Describe JAX-RS-specific design patterns
• Recognize and apply best practices associated with implementing web services using JAX-RS

Module 16 - Trade-Offs Associated with the Java Web Services APIs

• Understand the trade-offs involved in the choice to implement a web service using either
• JAX-WS or JAX-RS technology

Module 17 - Web Services Design Patterns

• Describe web services-based design patterns
• PAOSInteractions
• Asynchronous Interaction
• JMS Bridge
• Describe web services-based deployment patterns
• HTTP Load Balancer
• Container Cluster

Module 18 - Best Practices and Design Patterns for Use with JAX-WS

• Describe JAX-WS-specific design patterns
• Recognize and apply best practices associated with implementing web services using JAX-WS

Module 19 - Best Practices and Design Patterns for Use with JAX-RS

• Describe JAX-RS-specific design patterns
• Recognize and apply best practices associated with implementing web services using JAX-RS