What is ServletContextInitializer?
Interface ServletContextInitializer This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference. @FunctionalInterface public interface ServletContextInitializer. Interface used to configure a Servlet 3.0+ context programmatically.
What is Webappinitializer?
WebApplicationInitializer is used for booting Spring web applications. WebApplicationInitializer registers a Spring DispatcherServlet and creates a Spring web application context. Traditionally, Java web applications based on Servlets were using web. xml file to configure a Java web application.
What is spring boot Servletinitializer?
Spring Boot Servlet Initializer The traditional way of deployment is making the Spring Boot Application @SpringBootApplication class extend the SpringBootServletInitializer class. Spring Boot Servlet Initializer class file allows you to configure the application when it is launched by using Servlet Container.
What is spring FilterRegistrationBean?
public class FilterRegistrationBean extends RegistrationBean. A ServletContextInitializer to register Filter s in a Servlet 3.0+ container. Similar to the registration features provided by ServletContext but with a Spring Bean friendly design. The Filter must be specified before calling onStartup(ServletContext) .
What is EnableWebMvc?
The @EnableWebMvc annotation is used for enabling Spring MVC in an application and works by importing the Spring MVC Configuration from WebMvcConfigurationSupport. The XML equivalent with similar functionality is .
What is Getservletmappings?
Servlet mapping specifies the web container of which java servlet should be invoked for a url given by client. It maps url patterns to servlets. When there is a request from a client, servlet container decides to which application it should forward to. Then context path of url is matched for mapping servlets.
Can spring boot run without Tomcat?
You can use Spring Boot without embedded Tomcat web server if you don’t need it. Just exclude embedded Tomcat from Spring Boot Web Starter (spring-boot-starter-web).
What is Jar vs war?
war file is a Web Application Archive which runs inside an application server while a . jar is Java Application Archive that runs a desktop application on a user’s machine.
What is the use of FilterRegistrationBean?
FilterRegistrationBean is a Spring Bean that helps you to register filters. EDIT: From Spring Documentation: “A ServletContextInitializer to register Filters in a Servlet 3.0+ container. Similar to the registration features provided by ServletContext but with a Spring Bean friendly design.
Can a bean have multiple names?
Even before the advent of Java configurations, Spring allows a bean to have multiple names using XML configurations. In fact, we can give a bean multiple names by using the name attribute of the bean element.
What is @EnableWebSecurity?
The @EnableWebSecurity is a marker annotation. It allows Spring to find (it’s a @Configuration and, therefore, @Component ) and automatically apply the class to the global WebSecurity . If I don’t annotate any of my class with @EnableWebSecurity still the application prompting for username and password.
What is WebMvcTest?
@WebMvcTest annotation is used for Spring MVC tests. It disables full auto-configuration and instead apply only configuration relevant to MVC tests. The WebMvcTest annotation auto-configure MockMvc instance as well.