Developing RESTful Web Services in Java™

Public Training Price : $1950 per student
Private Training Price : $7215 for up to 3 students*
*Additional students subject to a nominal fee
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Developing RESTful Web Services in Java Training Class Summary

This course shows you how to build RESTful web services using the Java API for RESTful Web Services, or JAX-RS. We begin with an overview of web services development in the Java EE platform, including SOAP, WSDL, REST; JAX-WS, JAXB, and JAX-RS. Then students learn to work with JAXB to bind Java object models to XML Schema. The bulk of the course is devoted to study of JAX-RS: students work with the Jersey implementation of JAX-RS to create RESTful services from simple single-value interactions to more sophisticated services that manage CRUD (create/retrieve/update/delete) operations on more complex data types, using JAXB to marshal and unmarshal data over the wire.

Audience: Experienced Java programmers.

Prerequisites: Java programming experience is required. Knowledge of XML and XML Schema is recommended. Experience with Servlets and JSP is helpful.

Class Length: 3 days

Developing RESTful Web Services in Java Training Class Objectives
  • Describe the advantages of the REST architecture for web services.
  • Use JAX-RS to develop simple RESTful services.
  • Control dispatching to service methods based on URL patterns and HTTP methods.
  • Bind request values to method parameters when expressed as HTTP query parameters, form values, headers, cookies, and more.
  • Manage XML content using XML Schema and JAXB.
  • Incorporate XML entities into service input and output.
  • Take advantage of lifecycle and context services available to JAX-RS services as Java EE components.
Developing RESTful Web Services in Java Training Class Detailed Outline
  1. Overview of Web Services
    • What is a Web Service?
    • Networking XML Components
    • Sharing Business Information
    • Integrating Business Processes
    • Earlier Approaches
    • What is a Web Service, Again?
    • Service-Oriented Architecture
    • HTTP
    • XML
    • Web Service Architecture
    • Interoperability Stacks
    • Decisions, Decisions …
    • SOAP
    • WSDL
    • WSDL Bindings
    • The SOAP Vision
    • REST
    • The REST Vision
    • SOAP vs. REST
    • Metadata for REST
    • UDDI
    • The Web Services Interoperability Organization
    • The WS-I Basic Profile
    • WS-Security & Co.
  2. Web Services for Java EE
    • Hosting Web Services
    • Scenarios: SOAP Alone
    • Scenarios: SOAP with Metadata
    • Scenarios: Generating the WSDL
    • Scenarios: REST
    • Forms for Services and Clients
    • Decisions, Decisions, Decisions …
    • Web Services for Java EE
    • The Java API for XML-Based Web Services
    • The Java API for XML Binding
    • Annotations and Deployment Descriptors
    • How to Speak to Your Host
    • The Automatic Approach: JAX-WS and JAXB
    • Where’s the SOAP?
    • Manual Options: SAAJ and JAXP
    • Java APIs and Interoperable Targets – Take 1
    • The Java API for RESTful Web Services
    • Applications, Resources, and Sub-Resources
    • The Java API for XML Registries
    • Java APIs and Interoperable Targets – Take 2
    • Next Steps
  3. The Java API for XML Binding
    • The Need for Data Binding
    • Acquiring JAXB
    • W3C XML Schema
    • Two Paths
    • Mapping XML Schema Simple Types to Java
    • Mapping XML Schema Complex Types to Java
    • Mapping Collections
    • The JAXB Context Class
    • Marshalling and Unmarshalling
    • Mapping Java Types to XML Schema
    • JAXB Annotations
    • Which Way to Go?
    • Customization
    • Declaring Custom Bindings
  4. The Java API for RESTful Web Services
    • Connecting HTTP to Java
    • How it Works
    • Acquiring JAX-RS
    • Applications
    • Resources
    • Providers
    • HTTPPad
    • Understanding JAX-RS Request URLs
  5. Dispatching Requests to Methods
    • The @Path Annotation
    • Uniqueness and Precedence
    • The HTTP Method Annotations
    • Annotation Inheritance
  6. Parameter and Return Types
    • Defining Inputs to Service Methods
    • Simple Parameter Types
    • The Parameter Annotations
    • The @DefaultValue Annotation
    • Constructor Initialization
    • Return Types
    • @Consumes and @Produces Annotations
    • The MediaType Class
    • Binary Content
  7. Entities and Complex Content
    • Entity Providers
    • Built-In Entity Providers
    • Working with XML
    • Custom Entity Providers
  8. Context and Lifecycle
    • JAX-RS Lifecycle
    • JAX-RS and Other Java EE Technology
    • Context Injection
    • Injectable Types
    • Finding Java EE Components
    • Finding Databases
    • Security Contexts
    • The Billing Web Service

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