EduMaster, s.r.o., skoleni java/java-ee/ DWS-4050-EE6

Školení: DWS-4050-EE6

Developing Web Services Using Java Technology

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Podrobnosti:

Prerequisites:

  • 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

Objectives:

  • 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)

Topics:

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
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