From 80b6cbfc9c861469146318d0b3dd5f8b8b525b8a Mon Sep 17 00:00:00 2001
From: xiejun <xiejun@vci-tech.com>
Date: 星期五, 01 十一月 2024 15:11:19 +0800
Subject: [PATCH] Revert "集成获取mdm分发通用数据格式接口集成"
---
Source/BladeX-Tool/blade-starter-actuate/src/main/java/org/springblade/core/http/cache/HttpCacheInterceptor.java | 95 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 95 insertions(+), 0 deletions(-)
diff --git a/Source/BladeX-Tool/blade-starter-actuate/src/main/java/org/springblade/core/http/cache/HttpCacheInterceptor.java b/Source/BladeX-Tool/blade-starter-actuate/src/main/java/org/springblade/core/http/cache/HttpCacheInterceptor.java
new file mode 100644
index 0000000..3531529
--- /dev/null
+++ b/Source/BladeX-Tool/blade-starter-actuate/src/main/java/org/springblade/core/http/cache/HttpCacheInterceptor.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2018-2028, DreamLu All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * Neither the name of the dreamlu.net developer nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * Author: DreamLu 鍗㈡槬姊� (596392912@qq.com)
+ */
+
+package org.springblade.core.http.cache;
+
+import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springblade.core.tool.utils.ClassUtil;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.lang.NonNull;
+import org.springframework.web.method.HandlerMethod;
+import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.time.Clock;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Http cache鎷︽埅鍣�
+ *
+ * @author L.cm
+ */
+@Slf4j
+@AllArgsConstructor
+public class HttpCacheInterceptor extends HandlerInterceptorAdapter {
+ private final HttpCacheService httpCacheService;
+
+ @Override
+ public boolean preHandle(@NonNull HttpServletRequest request, @NonNull HttpServletResponse response, @NonNull Object handler) throws Exception {
+ // 闈炴帶鍒跺櫒璇锋眰鐩存帴璺冲嚭
+ if (!(handler instanceof HandlerMethod)) {
+ return true;
+ }
+ // http cache 閽堝 HEAD 鍜� GET 璇锋眰
+ String method = request.getMethod();
+ HttpMethod httpMethod = HttpMethod.resolve(method);
+ if (httpMethod == null) {
+ return true;
+ }
+ List<HttpMethod> allowList = Arrays.asList(HttpMethod.HEAD, HttpMethod.GET);
+ if (!allowList.contains(httpMethod)) {
+ return true;
+ }
+ // 澶勭悊HttpCacheAble
+ HandlerMethod handlerMethod = (HandlerMethod) handler;
+ HttpCacheAble cacheAble = ClassUtil.getAnnotation(handlerMethod, HttpCacheAble.class);
+ if (cacheAble == null) {
+ return true;
+ }
+
+ // 鏈�鍚庝慨鏀规椂闂�
+ long ims = request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE);
+ long now = Clock.systemUTC().millis();
+ // 缂撳瓨鏃堕棿,绉�
+ long maxAge = cacheAble.maxAge();
+ // 缂撳瓨鏃堕棿,姣
+ long maxAgeMicros = TimeUnit.SECONDS.toMillis(maxAge);
+ String cacheKey = request.getRequestURI() + "?" + request.getQueryString();
+ // 鍚庣鍙帶鍒秇ttp-cache瓒呮椂
+ boolean hasCache = httpCacheService.get(cacheKey);
+ // 濡傛灉header澶存病鏈夎繃鏈�
+ if (hasCache && ims + maxAgeMicros > now) {
+ response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
+ response.setHeader(HttpHeaders.CACHE_CONTROL, "max-age=" + maxAge);
+ response.addDateHeader(HttpHeaders.EXPIRES, ims + maxAgeMicros);
+ response.addDateHeader(HttpHeaders.LAST_MODIFIED, ims);
+ log.info("{} 304 {}", method, request.getRequestURI());
+ return false;
+ }
+ response.setHeader(HttpHeaders.CACHE_CONTROL, "max-age=" + maxAge);
+ response.addDateHeader(HttpHeaders.EXPIRES, now + maxAgeMicros);
+ response.addDateHeader(HttpHeaders.LAST_MODIFIED, now);
+ httpCacheService.set(cacheKey);
+ return super.preHandle(request, response, handler);
+ }
+
+}
--
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