How to register a Filter to one @RequestMapping method only?

membersound Published at Dev

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I registered the following filter for general content logging:

@Bean
public Filter getLoggingFilter() {
    CommonsRequestLoggingFilter filter = new CommonsRequestLoggingFilter();
    filter.setIncludeQueryString(true);
    filter.setIncludePayload(true);
    filter.setMaxPayloadLength(5120);
    return filter;
}

This filter catches on any request.

Now I'd like to apply this filter to only one specific @RequestMapping method.

Question: is that possible at all?

Update: the following filterbean results in a 404 when accessing the path.

@Bean
public FilterRegistrationBean getLoggingFilter() {
    FilterRegistrationBean filter = new FilterRegistrationBean(new CommonsRequestLoggingFilter());
    filter.addUrlPatterns("/rest/my/specific/method/*");
    return filter;
}

M. Deinum

You need a FilterRegistrationBean to specify URLs mappings. This fact is also mentioned in the reference guide.

@Bean
public Filter loggingFilter() {
    CommonsRequestLoggingFilter filter = new CommonsRequestLoggingFilter();
    filter.setIncludeQueryString(true);
    filter.setIncludePayload(true);
    filter.setMaxPayloadLength(5120);
    return filter;
}

Next to the filter definition add the FilterRegistrationBean.

@Bean
public FilterRegistrationBean loggingFilterRegistration() {
    FilterRegistrationBean registration = new FilterRegistrationBean(loggingFilter());
    registration.addUrlPatterns("/rest/my/specific/method/*");
    return registration;
}

This will attach the filter to the specified URL. Also be aware that the UrlPatterns are patterns inside the root URL. So if your application is mapped on /rest this filter won't be invoked.

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