An Introduction to Web Services
· Explaining the need for web services
· Defining web services
· Explaining the characteristics of a web service
· Explaining the use of both XML and JSON in web services
· Identifying the two major approaches to developing web services
· Explaining the advantages of developing web services within a Java EE container
XML
· Describing the Benefits of XML
· Creating an XML Declaration
· Assembling the Components of an XML Document
· Declaring and Apply XML Namespaces
· Validating XML Documents using XML Schemas
· Creating XML Schemas
JAXB
· Listing the Different Java XML APIs
· Explaining the Benefits of JAXB
· Unmarshalling XML Data with JAXB
· Marshalling XML Data with JAXB
· Compiling XML Schema to Java
· Generating XML Schema from Java Classes
· Applying JAXB Binding Annotations
· Creating External Binding Configuration Files
SOAP Web Services
· SOAP message structure
· Using WSDL files to define web services
· WS-I Basic Profile and WS-Policy
Creating JAX-WS Clients
· Using tools to generate JAX-WS client artifacts
· Calling SOAP web services using JAX-WS in a Java SE environment
· Calling SOAP web services using JAX-WS in a Java EE environment
· Using JAXB Binding customization with a SOAP web service
· Creating a JAX-WS Dispatch client
· Creating a client that consumes a WS-Policy enhanced services (WS-MakeConnection)
RESTful Web Services
· Describing the RESTful architecture and how it can be applied to web services
· Designing a RESTful web service and identify resources
· Navigating a RESTful web service using hypermedia
· Selecting the correct HTTP method to use when duplicate requests must be avoided
· Identifying Web Service result status by HTTP response code
· Version RESTful web services
Creating RESTful Clients in Java
· Using Java SE APIs to make HTTP requests
· Using the Jersey Client APIs to make HTTP requests
· Processing XML and JSON in a RESTful web service client
Bottom-Up JAX-WS Web Services
· Describing the benefits of Code First Design
· Creating JAX-WS POJO Endpoints
· Creating JAX-WS EJB Endpoints
Top-Down JAX-WS Web Services
· Describing the benefits of WSDL First Design
· Generating Service Endpoint Interfaces (SEIs) from WSDLs
· Implementing Service Endpoint Interfaces
· Customizing SEI Generation
JAX-RS RESTful Web Services
· Download, Install, and Configure Jersey
· Creating Application Subclasses
· Creating Resource Classes
· Creating Resource Methods, Sub-Resource Methods, and Sub-Resource Locator Methods
· Producing and Consume XML and JSON content with JAX-RS
Web Service Error Handling
· Describing how SOAP web services convey errors
· Describing how REST web services convey errors
· Returning SOAP faults
· Returning HTTP error status codes
· Mapping thrown Exceptions to HTTP status codes
· Handling errors with SOAP clients
· Handling errors with Jersey clients
Security Concepts
· Explaining Authentication, Authorization, and Confidentiality
· Applying Basic Java EE Security by using deployment descriptors (web.xml)
· Creating users and groups and map them to application roles
· Detailing possible web service attack vectors
WS-Security
· Describing the purpose of WS-Policy, WS-SecurityPolicy, WS-Security
· Configuring WebLogic Server for WS-Security
· Applying WS-Policy to WebLogic JAX-WS Web Services
· Signing and Encrypt SOAP Messages using WS-Security
Web Service Security with Jersey
· Applying JSR-250 Security Annotations such as @RolesAllowed
· Enabling an assortment of filters including the RolesAllowedResourceFilterFactory
· Obtaining a SecurityContext and perform programmatic security
· Authenticating using the Jersey Client API
OAuth 1.1a with Jersey
· Describing the purpose of OAuth
· Describing the request lifecycle when using OAuth
· Creating OAuth enabled services using Jersey
Creating OAuth enabled clients using Jersey
