Interceptors Configuration using Java or XML

Interceptors Configuration using Java or XML

In this section, you will learn about how to configure interceptors using Java or XML.

In Spring MVC, you can configure HandlerInterceptors or WebRequestInterceptors , which can be applied to all incoming requests or confined to particular URL patterns.

Given below sample code for registering interceptors in Java :

@Configuration
@EnableWebMvc
public class MyAppWebConfig extends WebMvcConfigurerAdapter {
	
	@Override
	public void addInterceptors(InterceptorRegistry registry) {
		registry.addInterceptor(new LocaleInterceptor());
		registry.addInterceptor(new ThemeInterceptor()).addPathPatterns("/**").excludePathPatterns("/admin/**");
		registry.addInterceptor(new SecurityInterceptor()).addPathPatterns("/secure/*");
	}

}

You can do the same in XML using the <mvc:interceptor> as follows :

<mvc:interceptors>
	<bean class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor" />
	<mvc:interceptor>
		<mapping path="/**"/>
		<exclude-mapping path="/admin/**"/>
		<bean class="org.springframework.web.servlet.theme.ThemeChangeInterceptor" />
	</mvc:interceptor>
	<mvc:interceptor>
		<mapping path="/secure/*"/>
		<bean class="org.example.SecurityInterceptor" />
	</mvc:interceptor>
</mvc:interceptors>