CODEWITHSUNDEEP
javaspringspring-mvcinterceptor
diminuta
diminuta

Reputation: 1583

Spring MVC Interceptor pattern

I have an interceptor that is supposed to intercept urls with different patterns like:

I have to intercept all urls which contain "add". There are a lot of somethings and somethingelses...

I have tried different patterns but it seems that they are all wrong:

The interceptor is something like

public class MyInterceptor implements HandlerInterceptor {
}

I configure it in 

@Configuration
@EnableSpringDataWebSupport
@EnableWebMvc
class MvcConfiguration extends WebMvcConfigurerAdapter {

    @Override
    public void addInterceptors(final InterceptorRegistry registry) {                       
        registry.addInterceptor(getMyInterceptor()).addPathPatterns("**/add/*", "**/add/**", "**/add*");
    }

    @Bean
    public MyInterceptor getMyInterceptor() {
        return new MyInterceptor();
    }
}

If I try to access

http://localhost:8080/myapp/something/add/somethingelse

my interceptor doesn't intercept it...

Upvotes: 2

Views: 4225

Answers (2)

devops
devops

Reputation: 9179

I had a similar issue. Here are my suggestions.

First use global interceptor and check the request uri:

public class MyInterceptor extends HandlerInterceptorAdapter {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String uri = request.getRequestURI();

        if(uri.contains("/add")){
            // do your job
        }

        return super.preHandle(request, response, handler);
    }
}

In my case, alls add- methods are PUT, or POST requests. So I'm checking this in my global interceptor:

public class MyInterceptor extends HandlerInterceptorAdapter {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String method = request.getMethod();
        if("PUT".equals(method) || "POST".equals(method)){
            // do your job
        }

        return super.preHandle(request, response, handler);
    }
}

configure it without addPathPatterns:

@Configuration
@EnableSpringDataWebSupport
@EnableWebMvc
class MvcConfiguration extends WebMvcConfigurerAdapter {

    @Override
    public void addInterceptors(final InterceptorRegistry registry) {
        registry.addInterceptor(getMyInterceptor());
    }

    @Bean
    public MyInterceptor getMyInterceptor() {
        return new MyInterceptor();
    }
}

Upvotes: 1

John Humphreys
John Humphreys

Reputation: 39224

Apparently this can be fixed by Change the bean type to "Mapped Interceptor" and wrapping it; though people don't seem to know why its an issue in the first place.

Based on this solution: https://stackoverflow.com/a/35948730/857994

Upvotes: 0

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