RESTful Web Services with Spring Framework - A quick start

Description

In this course, you will :

• Be able to use Spring Framework to create a RESTful Web Service.
• You must be able to send HTTP requests and receive HTTP responses in JSON or XML format using the Postman HTTP client.
• Create Web Service endpoints to handle HTTP POST, GET, PUT, and DELETE requests.
• Validate and read URL Query String Request Parameters.
• HTTP Request Body should be read and validated.
• Handle Java Exceptions and return a valid HTTP Response.
• Create and run a stand-alone RESTful Web Service Application.

Syllabus :

1. Setting up Develeopment Environment

• Install Java Platform(JDK)
• Download and Install Spring Tool Suite(STS)

 

2. Creating a New Project

• Create new Spring Boot Project with Spring Tool Suite
• Creating a new Spring project using Spring Boot Initializr

 

3. Create RESTful Web Service Endpoints

• Create Users Rest Controller class
• Adding Methods to Handle POST, GET, PUT, DELETE HTTP requests
• Running Web Service Application

 

4. Handle HTTP GET Request

• Reading Path Variables with @PathVariable annotaion
• Reading Query String Request Parameters
• Making Parameters Optional or Required

 

5. Returning a Response

• Returning Java Object as Return Value
• Returning Object as JSON or XML Representation
• Set Response Status Code

 

6. Handle HTTP POST Request

• Reading HTTP POST Request Body. The @RequestBody annotation.
• Validating HTTP POST Request Body

 

7. Handle HTTP PUT and HTTP Delete Requests

• Store Users Temporary
• Handle HTTP PUT Request
• Handle HTTP Delete Request

 

8. Exceptions Handling

• Handle an Exception
• Return Custom Error Message Object
• Handle a Specific Exception
• Throw and Handle You Own Custom Exception
• Catch More Than One Exception with One Method

 

9. Dependency Injection

• Create and Autowire a Service Layer Class
• Constructor Based Dependency Injection

 

10. Standalong Application

• Run Web Service as a Standalone Application

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