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Java REST Essentials | RESTful Services in Java
Duration
2
Course
TT7305
Available Formats
Classroom Training, Online Training
Course Description
Overview
Geared for experienced Java developers, Java REST Essentials is a two-day, lab-intensive services training course that introduces developers to the core concepts, principles, and Java implementations for RESTful services. Today's development environments are increasingly dominated by sophisticated tooling that makes the implementation of RESTful services less arduous. The proper design of these services is far more complex and demanding. Java RESTful Service Essentials focuses on providing an understanding of the fundamental principles and technologies that are used in building these services. This understanding is critical to being able to diagnose, troubleshoot, tune, and perform other lifecycle activities.Objectives
After completing this course, students will be able to:
- Understand and apply the basic concepts of REST
- Understand and intelligently discuss the similarities and differences between RESTful services and SOAP-based services
- Appreciate the security concerns associated with RESTful services
- Design, develop, and deploy real-world RESTful Services
- Effectively define and design endpoints
- Work with query parameters
- Determine the best format to use for exchanging data
- Understand the principles associated with HTTP methods and how to stay congruent to them
- Extend the semantics of the RESTful service beyond the HTTP methods
- Implement RESTful services using JAX-RS to
- Handle various HTTP methods
- Use different approaches for parameters
- Deal with content negotiation
- Work with different data formats including XML and JSON
- Handle exceptions
- Implement RESTful Java clients
- Develop JAX-RS Java clients using the JAX-RS 2.0 Client API
- Manage different Web targets
- Deal with content negotiation on the client
- Work with different data formats including XML and JSON
- Properly process server responses
- Implement JAX-RS Filters and Interceptors
- Intercept and manipulate service requests and responses
- Dynamically register interceptor to resources
- Understand the concept of NameBinding
- Discover asynchronous JAX-RS processing
- Implement an asynchronous JAX-RS service endpoint
- Register response listeners
Audience
This is an intermediate level training course, designed for experienced Java developers and architects who need to identify, design, and implement web services. We will explore and apply the terminology, the specification, the processes and technologies specific to web services.
Prerequisites
-
Students should have at least a year of practical development experience with Java and servlets, and should be familiar with XML and JSON.
Topics
Working with REST
Overview of REST
- Representational State Transfer
- REST Characteristics
- REST Elements
- REST Architectural Principles
- REST and HTTP
- REST/HTTP: Representation-Oriented
- REST Design Principles
- Tutorial: Working with Eclipse (JEE Version) and Apache TomEE 7x
- Effectively Designing RESTful Services
- Best Practices for Endpoint Definition
- Using Query Parameters
- Working with HTTP GET and DELETE
- Working with HTTP PUT
- Working with HTTP POST
- Best Practices for HTTP Methods
- Handling Additional Operations
- Understand some of the features of the JAX-RS framework
- Be familiar with process for implementing RESTful services
- Be able to develop and deploy a simple REST service
- How JAXB supports XML interoperability
- How to use JAXB with JAX-RS
- JAX-RS mechanisms for mapping URIs to resource
- How to use @Path expressions to map URIs
- How to use @Path expressions to extract values from URIs
- JAX-RS built-in content handler
- How to inject content handlers into service
- Basics of working with JSO
- Capabilities for HTTP content negotiation
- JAX-RS mechanisms for supporting content negotiation
- How information about the request can be injected into the resource
- The different injection targets of the resource
- How to build a ‘complex’ response
- How to respond to a HTTP POST
- The JAX-RS exception hierarchy
- How exceptions can be mapped to response codes
- Be able to invoke a JAX-RS service using the client API
- Understand the purpose of the WebTarget object
- Be able to dynamically resolve path template values
- Understand some of the return codes
- Be able to filter client request and server responses
- Understand the purpose of JAX-RS filters
- Be able to develop interceptors
- Be able to define global filters and interceptors
- Dynamically add interceptors and filters
- Understand NameBinding
- Be able to make asynchronous requests
- Develop resources to process request asynchronously
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Self-Paced Training Info
Learn at your own pace with anytime, anywhere training
- Same in-demand topics as instructor-led public and private classes.
- Standalone learning or supplemental reinforcement.
- e-Learning content varies by course and technology.
- View the Self-Paced version of this outline and what is included in the SPVC course.
- Learn more about e-Learning
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