What is MessageSource in Spring?
Overview. MessageSource is a powerful feature available in Spring applications. This helps application developers handle various complex scenarios with writing much extra code, such as environment-specific configuration, internationalization or configurable values.
How do I use MessageSource in Spring boot?
Spring boot application and MessageSource
- My folder structure:
- DemoApplication.java @SpringBootApplication public class DemoApplication { public static void main(String[] args) { SpringApplication.run(DemoApplication.class, args); } }
What is Localeresolver used by Spring MVC?
Explanation: The default locale resolver used by Spring is AcceptHeaderLocaleResolver. 4. AcceptHeaderLocaleResolver esolves locales by inspecting the accept-language header of an HTTP request. Explanation: This header is set by a user’s web browser according to the locale setting of the underlying operating system.
What is Java Message Source?
MessageSource is an interface that defines several methods for resolving messages. The ApplicationContext interface extends this interface so that all application contexts can resolve text messages.
What is the purpose of the interface MessageSource?
Interface MessageSource. Strategy interface for resolving messages, with support for the parameterization and internationalization of such messages.
Which are the MessageSource implementations?
Spring contains two built-in MessageSource implementations: ResourceBundleMessageSource and ReloadableResourceBundleMessageSource . The latter is able to reload message definitions without restarting the Virtual Machine.
What is internationalization in Spring?
Advertisements. Internationalization is a process that makes your application adaptable to different languages and regions without engineering changes on the source code. In ither words, Internationalization is a readiness of Localization.
What is ModelAttribute in Spring?
@ModelAttribute is a Spring-MVC specific annotation used for preparing the model data. It is also used to define the command object that would be bound with the HTTP request data. The annotation works only if the class is a Controller class (i.e. annotated with @Controller). Advertisements.
Which Bean is responsible for internationalization in Spring MVC?
2 Spring Configuration File. This file has the ReloadableResourceBundleMessageSource bean declaration that tells the framework to enable the Internationalization (i18N) in the application.
What is @ModelAttribute annotation in Spring MVC?
@ModelAttribute is an annotation that binds a method parameter or method return value to a named model attribute, and then exposes it to a web view. In this tutorial, we’ll demonstrate the usability and functionality of this annotation through a common concept, a form submitted from a company’s employee.
What is the difference between @RequestParam and @ModelAttribute?
@RequestParam is most suitable for reading a small params. @ModelAttribute is used for forms with a large number of fields. @ModelAttribute provides you with additional features such as data binding, validation and form pre-filling.
What is difference between @RequestBody and @ModelAttribute?
@ModelAttribute is used for binding data from request param (in key value pairs), but @RequestBody is used for binding data from whole body of the request like POST,PUT.. request types which contains other format like json, xml.