SpringBoot Interceptor

An interceptor in Spring Boot is a component that intercepts incoming requests and outgoing responses in order to add custom functionality. This is particularly useful when you want to add functionality to multiple requests or responses in a centralized manner.

Here’s an example of using an interceptor to add a “car” header to all responses:

  1. Create a class for the interceptor:
  1. Register the interceptor in the Spring Boot application configuration:

Now, every time a request is made to your Spring Boot application, the CarInterceptor will be executed and the response will contain a “car” header with the value “Tesla Model S”.

Here is an example of a Spring Boot application class:

The @SpringBootApplication annotation is a convenience annotation that is equivalent to declaring @Configuration, @EnableAutoConfiguration, and @ComponentScan. It enables the automatic configuration of Spring Boot and enables the scanning of components in the specified package and its sub-packages.

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