【发布时间】:2018-08-09 21:19:04
【问题描述】:
我为我的 spring-boot 应用程序编写了一个拦截器。但是当我到达端点时,它执行得很好。拦截器无法拦截我的请求。 我哪里出错或遗漏了什么?
下面是代码
@Configuration
public class WebMvcConfig extends WebMvcConfigurerAdapter {
private static final String PATHS = "/services/api/**";
@Autowired
private AuthorizationInterceptor authInterceptor;
@Override
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor(authInterceptor).addPathPatterns(PATHS);
}
}
这是 Interceptor::: 的代码
@Component
public class AuthorizationInterceptor implements HandlerInterceptor {
private static final Logger LOGGER = LoggerFactory.getLogger(AuthorizationInterceptor.class);
private static final String MSG_BAD_INPUT = "Very Bad Input";
private static final int MAX_URI_LENGTH = 4;
@Override
public void afterCompletion(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, Exception arg3)
throws Exception {
// TODO Auto-generated method stub
}
@Override
public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, ModelAndView arg3)
throws Exception {
// TODO Auto-generated method stub
}
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
throws Exception {
System.out.println("Inside Prehandle:::::::------->");
this.checkURILength(request);
System.out.println("After checking:::::::::::---->");
return true;
}
private void checkURILength(HttpServletRequest request) {
if (request.getRequestURI().length() > MAX_URI_LENGTH) {
LOGGER.error("Request URI is too long");
throw new InvalidInputException(MSG_BAD_INPUT);
}
}
}
现在当我点击我的 spring-boot 应用程序的端点时,它工作正常
http://localhost:8181/services/api/companies
基本上它根本不调用预句柄。 我错过了什么????
【问题讨论】:
-
但是当我将`PATHS = "/services/api/**"` 更改为
PATHS = "/**"时,它能够拦截请求,但我不明白为什么它会因上述原因而失败 -
你应该列出你的依赖。可能别人出问题了
标签: java spring spring-boot