How Spring MVC framework works how HTTP request is processed?

How Spring MVC process an HTTP Request. The URL pattern is important, if the request matches the URL pattern of DispatcherServlet then it will be processed by Spring MVC otherwise not. The DispatcherServlet passes the request to a specific controller depending on the URL requested.

How does MVC handle HTTP request?

Routing in MVC Controllers After the client sends a request, the server receives it. The HTTP method and path are matched to a route in the controller. For example, users can click a link on our homepage to see a form. When they click on this link, a request is created and sent to our application’s server.

How request is handled in Spring MVC?

DispatcherServlet as the Heart of Spring MVC

1. mapping an HTTP request to a certain processing method.
2. parsing of HTTP request data and headers into data transfer objects (DTOs) or domain objects.
3. model-view-controller interaction.
4. generation of responses from DTOs, domain objects, etc.

How does spring boot work internally?

From the run method, the main application context is kicked off which in turn searches for the classes annotated with @Configuration , initializes all the declared beans in those configuration classes, and based upon the scope of those beans, stores those beans in JVM, specifically in a space inside JVM which is known …

How do spring containers work internally?

The Spring IoC container is at the core of the Spring Framework. The container will create the objects, wire them together, configure them, and manage their complete life cycle from creation till destruction. The Spring container uses dependency injection (DI) to manage the components that make up an application.

What is the Spring MVC workflow?

Spring MVC is a Java framework that is used to develop web applications. It is built on a Model-View-Controller (MVC) pattern and possesses all the basic features of a spring framework, such as Dependency Injection, Inversion of Control.

How do spring handles request?

How Spring boot internally handles the http request here?

1. Makes the web server up.
2. creates the war file , then host the war file on server.
3. Then http requests are handled through servlet lying under spring-boot-starter-web.

How do spring annotations work internally?

Spring could use its own classloader to load required classes. At runtime, when the class is loaded and Spring determines it has some appropriate annotation, it injects bytecode to add additional properties or behavior to the class.

What is the benefit of using Spring framework?

Spring provides a lightweight container that can be activated without using web server or application server software. It gives good support for IoC and Dependency Injection results in loose coupling. The Spring Framework supports JDBC framework that improves productivity and reduces the error.