In previous video tutorials, I have shared with you how to read Request Path parameters, Query String parameters, and Form data. In this tutorial, you will learn how to read JSON from HTTP Post request body in Spring Boot application. To read the body of an HTTP Post request, we will use the @RequestBody annotation…
Read More Reading JSON in Spring with @RequestBodyThis tutorial will teach you how to retrieve URI path variables in your Spring MVC web application. Define Path Variable To define a path variable in the URI path, we use curly brackets. For example, the @GetMapping annotation below specifies one path variable called userId, which is surrounded by curly brackets. @GetMapping(path=”/users/{userId}”) @PathVariable Annotation To…
Read More Spring MVC: Reading URI Path VariablesIn this tutorial, you will learn what the @Controller annotation is and how to use it in Spring. You will use @Controller annotation to mark a class as a Spring MVC controller. It is generally used with @RequestMapping annotation to map HTTP requests to specific methods in a controller class. How to User @Controller Annotation…
Read More @Controller Annotation in SpringIn this tutorial, you will learn how to use the @ResponseBody annotation to return JSON in the HTTP response body. You might also be interested to learn how to Read JSON Request Body in the Spring MVC Web application. @ResponseBody Annotation To make a method in the Controller class return JSON in HTTP Response body…
Read More Spring Web MVC – Return JSON in Response BodyIn this tutorial, you will learn how to read form data in your Spring MVC web application. To read form data in a method of the Controller class you can use the @ModelAttribute annotation. HTML Form Below is an example of an HTML form that submits form data to a /users URI path as an…
Read More Read Form Data in Spring Web MVC with @ModelAttributeIn this lesson, you will learn how to read URL query string parameters in your Spring MVC web application. @RequestParam annotation Let’s assume that we need to create a method that needs to return a list but is limited to a certain number. To make our method read URL Query String Parameters, we will…
Read More Spring Web MVC – Reading URL Query String ParametersIn this tutorial, you will learn how to pass information from your Controller class to the View using the Spring MVC ModelAndView object. In previous lessons, we discussed how to use Model and ModelMap for the same purpose – to pass properties from Controller to the View. The ModelAndView class, you will also use to pass…
Read More Spring Web MVC – The ModelAndView ObjectIn this tutorial, you will learn how to pass information from your Controller class to the View using the Spring MVC ModelMap object. To make ModelMap object available to your controller, you will simply inject it as an argument to your method. Just the same way as we have injected, the Model object in the…
Read More Spring Web MVC – The ModelMap ObjectIn this tutorial, you will learn how to pass information from your Controller class to the View using the Spring MVC Model object. A Model is an object that you can use to pass attributes from the Controller to the View. To make the Model object available to a method in your controller class, you…
Read More Spring Web MVC – The Model ObjectIn this tutorial, you will learn how to configure the Spring Boot Web MVC application to support JSP(Java Server pages) and JSTL(JSP Standard Tag Library). Video Tutorial Maven Dependencies To configure your Spring Boot application to support Spring MVC, JSP and JSTL add the following maven dependencies to the pom.xml file. Spring Web The following…
Read More Spring Web MVC – Configure JSP SupportThis tutorial is a high-level overview of the Spring Web MVC framework. Below is a high-level diagram of how things work in a Spring MVC Web application built with Spring Boot. Most online tutorials or books will show you a similar diagram that is designed around the Dispatcher Servlet. Because this Dispatcher servlet is…
Read More Spring Web MVC – Overview for BeginnersInternationalization (i18n) is the process of making your application and services capable of delivering in different languages. This tutorial will show how the Spring Boot framework manages internationalization. Overview The internet has become global, implying that any application or website can target millions of users worldwide. Although half of the world’s population may have access…
Read More Spring MVC Internationalization TutorialIn this short tutorial, you will learn how to read an ID Token in your Spring Boot Web Application @Controller class. The ID Token is a security token that is issued by the Identity Provider Server and it contains information about the currently authenticated user. For example, from the ID token, you can get the…
Read More Reading OAuth2 ID Token in Spring MVCIn this Spring Boot tutorial, you will learn how to implement User Authentication(User Login) functionality for your RESTful Web Service application. There is also a step-by-step video demonstration on how to do User Authentication available here. The user authentication functionality we are going to implement in this tutorial will work the following way: A user…
Read More User Authentication – Spring Boot, Spring Security, JWTIn this tutorial, you will learn how to read HTTP Request Header in the Rest Controller class of your Spring Boot application. To read HTTP Request Header in Spring Boot REST application, we use @RequestHeader annotation. @RequestHeader(value=”Accept”) String acceptHeader To learn how to test if HTTP Header is received, read the tutorial about Testing HTTP Header…
Read More Read HTTP Request Header in Spring Boot REST