org.springframework.web.servlet.handler.HandlerInterceptorAdapter Java Examples

@Test
public void getHandlerMappedInterceptors() throws Exception {
	String path = "/foo";
	HandlerInterceptor interceptor = new HandlerInterceptorAdapter() {};
	MappedInterceptor mappedInterceptor = new MappedInterceptor(new String[] {path}, interceptor);

	TestRequestMappingInfoHandlerMapping mapping = new TestRequestMappingInfoHandlerMapping();
	mapping.registerHandler(new TestController());
	mapping.setInterceptors(new Object[] { mappedInterceptor });
	mapping.setApplicationContext(new StaticWebApplicationContext());

	HandlerExecutionChain chain = mapping.getHandler(new MockHttpServletRequest("GET", path));
	assertNotNull(chain);
	assertNotNull(chain.getInterceptors());
	assertSame(interceptor, chain.getInterceptors()[0]);

	chain = mapping.getHandler(new MockHttpServletRequest("GET", "/invalid"));
	assertNull(chain);
}
 

@Test
public void getHandlerMappedInterceptors() throws Exception {
	String path = "/foo";
	HandlerInterceptor interceptor = new HandlerInterceptorAdapter() {};
	MappedInterceptor mappedInterceptor = new MappedInterceptor(new String[] {path}, interceptor);

	TestRequestMappingInfoHandlerMapping mapping = new TestRequestMappingInfoHandlerMapping();
	mapping.registerHandler(new TestController());
	mapping.setInterceptors(new Object[] { mappedInterceptor });
	mapping.setApplicationContext(new StaticWebApplicationContext());

	HandlerExecutionChain chain = mapping.getHandler(new MockHttpServletRequest("GET", path));
	assertNotNull(chain);
	assertNotNull(chain.getInterceptors());
	assertSame(interceptor, chain.getInterceptors()[0]);

	chain = mapping.getHandler(new MockHttpServletRequest("GET", "/invalid"));
	assertNull(chain);
}
 

@Bean
public WebMvcConfigurer webMvcConfigurer(List<HandlerMethodArgumentResolver> handlerMethodArgumentResolvers) {
    return new WebMvcConfigurerAdapter() {
        @Override
        public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
            super.addArgumentResolvers(argumentResolvers);
            argumentResolvers.addAll(handlerMethodArgumentResolvers);
        }

        @Override
        public void addInterceptors(InterceptorRegistry registry) {
            registry.addInterceptor(new HandlerInterceptorAdapter() {
                @Override
                public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
                    //clear thread local
                    ThreadLocalUtils.clear();
                }
            });
        }
    };
}
 

@Test
public void mappedInterceptors() throws Exception {
	String path = "/foo";
	HandlerInterceptor interceptor = new HandlerInterceptorAdapter() {};
	MappedInterceptor mappedInterceptor = new MappedInterceptor(new String[] {path}, interceptor);

	TestRequestMappingInfoHandlerMapping hm = new TestRequestMappingInfoHandlerMapping();
	hm.registerHandler(new TestController());
	hm.setInterceptors(new Object[] { mappedInterceptor });
	hm.setApplicationContext(new StaticWebApplicationContext());

	HandlerExecutionChain chain = hm.getHandler(new MockHttpServletRequest("GET", path));
	assertNotNull(chain);
	assertNotNull(chain.getInterceptors());
	assertSame(interceptor, chain.getInterceptors()[0]);

	chain = hm.getHandler(new MockHttpServletRequest("GET", "/invalid"));
	assertNull(chain);
}
 

@Override
public void addInterceptors(InterceptorRegistry registry) {
	registry.addInterceptor(new HandlerInterceptorAdapter() {
		@Override
		public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
				ModelAndView modelAndView) throws Exception {

			if (handler instanceof HandlerMethod) {
				HandlerMethod handlerMethod = (HandlerMethod) handler;
				Navigation navSection = handlerMethod.getBean().getClass().getAnnotation(Navigation.class);
				if (navSection != null && modelAndView != null) {
					modelAndView.addObject("navSection", navSection.value().toString().toLowerCase());
				}
			}
		}
	});
}
 

@Override
public void addInterceptors(InterceptorRegistry registry) {
	registry.addInterceptor(

			new HandlerInterceptorAdapter() {
				@Override
				public boolean preHandle(HttpServletRequest request,
						HttpServletResponse response, Object handler)
						throws Exception {
					accessTokenContextRelay.copyToken();
					return true;
				}
			}

	);
}
 

/**
 * 添加拦截器
 */
@Override
public void addInterceptors(InterceptorRegistry registry) {
    registry.addInterceptor(new HandlerInterceptorAdapter() {
        @Override
        public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
                                 Object handler) throws Exception {

            //如果不是ajax 代表是点击页面 则统计点击数量
            if (null == request.getHeader("X-Requested-With") || !request.getHeader("X-Requested-With").equalsIgnoreCase("XMLHttpRequest")) {
                try {
                    String ip = WebUtil.getIP(request);
                    JedisCommands commands = JedisProviderFactory.getJedisCommands(null);
                    boolean isBlackIp = commands.sismember(CommonConstant.FQ_BLACK_LIST_REDIS_KEY,ip);
                    if(isBlackIp){
                        logger.info("该ip:{} 存在于黑名单，禁止其访问！",ip);
                        response.sendRedirect(request.getContextPath()+"/blackList/denyService");
                        return false;
                    }

                    String clickkey = CommonConstant.FQ_IP_DATA_THIS_DAY_FORMAT;
                    Double score = commands.zscore(clickkey,ip);
                    if(score == null){
                        commands.zadd(clickkey,1,ip);
                    }else {
                        commands.zadd(clickkey,score+1,ip);
                    }
                    commands.expire(clickkey,30*24*60*60);//存放一个月
                } finally{
                    JedisProviderFactory.getJedisProvider(null).release();
                }
            }
            return true;
        }
    }).addPathPatterns("/**").excludePathPatterns("/blackList/denyService");
}
 

/**
 * 添加拦截器
 *
 * @param interceptorRegistry
 */
@Override
public void addInterceptors(InterceptorRegistry interceptorRegistry) {
    //跨域拦截
    interceptorRegistry.addInterceptor(allowCrossDomainInterceptor).addPathPatterns(apiUri);
    //响应结果控制拦截
    interceptorRegistry.addInterceptor(responseResultInterceptor).addPathPatterns(apiUri);
    //接口签名认证拦截器，该签名认证比较简单，实际项目中可以使用Json Web Token或其他更好的方式替代。
    //开发环境忽略签名认证
    if (!"dev".equals(env)) {
        interceptorRegistry.addInterceptor(new HandlerInterceptorAdapter() {
            @Override
            public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
                //验证签名
                boolean pass = validateSign(request);
                if (pass) {
                    return true;
                } else {
                    logger.warn("签名认证失败，请求接口：{}，请求IP：{}，请求参数：{}",
                            request.getRequestURI(), IpUtil.getRealIp(request), JSON.toJSONString(request.getParameterMap()));
                    PlatformResult result = new PlatformResult();
                    result.setCode(HttpStatus.UNAUTHORIZED.value()).setMessage("签名认证失败");
                    responseResult(response, result);
                    return false;
                }
            }
        });
    }
}