About Web Services – SOAP, Rest, SOA

This course provides experienced Java programmers with the skills to write new SOAP and REST web services, and access existing services. With this training, you also learn how to secure web services using both Java-specific and language-independent security technologies, and how the Java APIs — JAX-WS and JAX-RS — deliver a set of powerful tools for developing a Service-Oriented Architecture (SOA).

Prerequisites

You should be able to:
Create and run a complete stand-alone Java application
Use the standard flow control constructs (if/then/else/while/for)
Instantiate Java objects and call instance methods
Create classes that implement interfaces

Course Content

Web Services Overview

Interoperable applications with SOA

 

Designing an SOA integration architecture

Implementing SOAs with web services

Java standard APIs for web services

 

Building SOAP–based services with JAX–WS

Developing RESTful services with JAX–RS

Defining SOAP Messages with WSDL

XML essentials

 

XML namespaces

Describing XML with schema

Structure of SOAP messages

 

Role of SOAP in web services

Operations, messages and faults

Anatomy of a WSDL document

 

Defining the interfaces of a web service

Specifying implementation

Implementing Code–First Web Services

Exposing plain old Java objects (POJOs) as web services

 

Applying JAX–WS annotations to POJOs

Configuring and deploying a web service implementation

Implementing SOAP clients in Java

 

Generating client–side artifacts from WSDL

Modifying client code to permit message monitoring

Authenticating and authorizing clients

Augmenting SOAP–based services

 

Incorporating best practices for web services

Implementing policies for security, reliability and message optimization

Generating Contract–First Web Services

Contract–first service development

 

Comparing contract–first and code–first services

Creating portable Java artifacts

Importing a WSDL document

 

Building interoperable applications by conforming to Web Services Interoperability (WS–I) standards

Implementing a web service endpoint using JAX–WS

Building RESTful Web Services

Introduction to REST (Representational State Transfer)

 

Describing the REST architectural style

Comparing SOAP and RESTful web services

Developing RESTful web services using JAX–RS

 

Adding JAX–RS annotations to a POJO

Configuring result types using HTTP request headers

Deploying a JAX–WS service

Customizing a RESTful Service Implementation

 

Interacting with request URLs

Mapping URLs to Java classes and methods

Binding URL components to method arguments

Providing Server–Side Support for Ajax Clients

Handling JavaScript Object Notation (JSON)

 

Applying cases for JSON with RESTful services

Interpreting a message formatted as JSON

Mapping Java to JSON

 

Controlling JSON generation with JAXB annotations

Defining a JSON return type from a Java method

Developing RESTful Clients

Securing Web Services

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