Developing Web Services Using Java Technology, Java EE 6 Training  

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.

JAX-WS-based Web Services

• Understand how to create web services using JAX-WS
• Understand how to deploy web services providers using JavaSE
• Understand how to create and deploy simple web services clients using JavaSE.

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

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

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

AX-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

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.

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

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.

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

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.

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.

Web Services Design Patterns

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

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

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