SpringBoot 2 快速整合 Filter过程解析

public class UrlFilter implements Filter {
  private Logger log = LoggerFactory.getLogger(UrlFilter.class);
  @Override
  public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
      throws IOException, ServletException {
  HttpServletRequest httpServletRequest = (HttpServletRequest) request;
    String requestURI = httpServletRequest.getRequestURI();
    StringBuffer requestURL = httpServletRequest.getRequestURL();
    log.info("requestURI:" +requestURI+" "+"requestURL:"+requestURL);
    chain.doFilter(httpServletRequest, response);
  }
}

@Configuration
public class FilterConfig {
  @Bean
  public FilterRegistrationBean filterRegistration() {
    FilterRegistrationBean registration = new FilterRegistrationBean();
    registration.setFilter(new UrlFilter());
    List<String> urlList = new ArrayList<String>();
    urlList.add("/*");
    registration.setUrlPatterns(urlList);
    registration.setName("UrlFilter");
    registration.setOrder(1);
    return registration;
  }
}