{"id":3841,"date":"2024-03-13T07:34:26","date_gmt":"2024-03-13T07:34:26","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-interceptors-be-implemented-in-spring-boot\/"},"modified":"2025-07-30T21:51:33","modified_gmt":"2025-07-30T21:51:33","slug":"how-can-interceptors-be-implemented-in-spring-boot","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-interceptors-be-implemented-in-spring-boot\/","title":{"rendered":"Spring Boot Interceptors Implementation"},"content":{"rendered":"<p>There are two ways to implement interceptors in Spring Boot.<\/p>\n<ol>\n<li>Implementing the HandlerInterceptor interface: Create a class that implements the HandlerInterceptor interface, then implement its preHandle, postHandle, and afterCompletion methods, used for handling requests before, after, and upon completion. Finally, register the interceptor in the configuration class.<\/li>\n<\/ol>\n<p>The example code is as follows:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">@Component<\/span>\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyInterceptor<\/span> <span class=\"hljs-keyword\">implements<\/span> <span class=\"hljs-title class_\">HandlerInterceptor<\/span> {\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-type\">boolean<\/span> <span class=\"hljs-title function_\">preHandle<\/span><span class=\"hljs-params\">(HttpServletRequest request, HttpServletResponse response, Object handler)<\/span> <span class=\"hljs-keyword\">throws<\/span> Exception {\r\n        <span class=\"hljs-comment\">\/\/ \u5728\u8bf7\u6c42\u5904\u7406\u524d\u8fdb\u884c\u62e6\u622a\u5904\u7406<\/span>\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-literal\">true<\/span>;\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">postHandle<\/span><span class=\"hljs-params\">(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView)<\/span> <span class=\"hljs-keyword\">throws<\/span> Exception {\r\n        <span class=\"hljs-comment\">\/\/ \u5728\u8bf7\u6c42\u5904\u7406\u540e\u8fdb\u884c\u62e6\u622a\u5904\u7406<\/span>\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">afterCompletion<\/span><span class=\"hljs-params\">(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)<\/span> <span class=\"hljs-keyword\">throws<\/span> Exception {\r\n        <span class=\"hljs-comment\">\/\/ \u5728\u8bf7\u6c42\u5b8c\u6210\u540e\u8fdb\u884c\u62e6\u622a\u5904\u7406<\/span>\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>Register the interceptor in the configuration class.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">@Configuration<\/span>\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">InterceptorConfig<\/span> <span class=\"hljs-keyword\">implements<\/span> <span class=\"hljs-title class_\">WebMvcConfigurer<\/span> {\r\n\r\n    <span class=\"hljs-meta\">@Autowired<\/span>\r\n    <span class=\"hljs-keyword\">private<\/span> MyInterceptor myInterceptor;\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">addInterceptors<\/span><span class=\"hljs-params\">(InterceptorRegistry registry)<\/span> {\r\n        registry.addInterceptor(myInterceptor).addPathPatterns(<span class=\"hljs-string\">\"\/**\"<\/span>);\r\n    }\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>Extend the HandlerInterceptorAdapter class: Create a class that extends the HandlerInterceptorAdapter class, then override its preHandle, postHandle, and afterCompletion methods, and register the interceptor in the configuration class.<\/li>\n<\/ol>\n<p>The sample code is shown below:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">@Component<\/span>\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyInterceptor<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title class_\">HandlerInterceptorAdapter<\/span> {\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-type\">boolean<\/span> <span class=\"hljs-title function_\">preHandle<\/span><span class=\"hljs-params\">(HttpServletRequest request, HttpServletResponse response, Object handler)<\/span> <span class=\"hljs-keyword\">throws<\/span> Exception {\r\n        <span class=\"hljs-comment\">\/\/ \u5728\u8bf7\u6c42\u5904\u7406\u524d\u8fdb\u884c\u62e6\u622a\u5904\u7406<\/span>\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-literal\">true<\/span>;\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">postHandle<\/span><span class=\"hljs-params\">(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView)<\/span> <span class=\"hljs-keyword\">throws<\/span> Exception {\r\n        <span class=\"hljs-comment\">\/\/ \u5728\u8bf7\u6c42\u5904\u7406\u540e\u8fdb\u884c\u62e6\u622a\u5904\u7406<\/span>\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">afterCompletion<\/span><span class=\"hljs-params\">(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)<\/span> <span class=\"hljs-keyword\">throws<\/span> Exception {\r\n        <span class=\"hljs-comment\">\/\/ \u5728\u8bf7\u6c42\u5b8c\u6210\u540e\u8fdb\u884c\u62e6\u622a\u5904\u7406<\/span>\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>Interceptors can also be registered in the configuration class using the addInterceptors method.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There are two ways to implement interceptors in Spring Boot. Implementing the HandlerInterceptor interface: Create a class that implements the HandlerInterceptor interface, then implement its preHandle, postHandle, and afterCompletion methods, used for handling requests before, after, and upon completion. Finally, register the interceptor in the configuration class. The example code is as follows: @Component public [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[2750,2311,87,2522,2751],"class_list":["post-3841","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-handlerinterceptor","tag-interceptors","tag-java","tag-spring-boot","tag-web-framework"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Spring Boot Interceptors Implementation - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn two effective methods to implement interceptors in Spring Boot with code examples for request handling.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-can-interceptors-be-implemented-in-spring-boot\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spring Boot Interceptors Implementation\" \/>\n<meta property=\"og:description\" content=\"Learn two effective methods to implement interceptors in Spring Boot with code examples for request handling.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-can-interceptors-be-implemented-in-spring-boot\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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