| commit | author | age | ||
| 9bcb19 | 1 | /* |
| I | 2 | Copyright [2020] [https://www.xiaonuo.vip] |
| 3 | ||
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | you may not use this file except in compliance with the License. | |
| 6 | You may obtain a copy of the License at | |
| 7 | ||
| 8 | http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | ||
| 10 | Unless required by applicable law or agreed to in writing, software | |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | See the License for the specific language governing permissions and | |
| 14 | limitations under the License. | |
| 15 | ||
| 16 | Snowy采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点： | |
| 17 | ||
| 18 | 1.请不要删除和修改根目录下的LICENSE文件。 | |
| 19 | 2.请不要删除和修改Snowy源码头部的版权声明。 | |
| 20 | 3.请保留源码和相关描述文件的项目出处，作者声明等。 | |
| 21 | 4.分发源码时候，请注明软件出处 https://gitee.com/xiaonuobase/snowy | |
| 22 | 5.在修改包名，模块名称，项目代码等时，请注明软件出处 https://gitee.com/xiaonuobase/snowy | |
| 23 | 6.若您的项目无法满足以上几点，可申请商业授权，获取Snowy商业授权许可，请在官网购买授权，地址为 https://www.xiaonuo.vip | |
| 24 | */ | |
| 25 | package vip.xiaonuo.sys.core.filter; | |
| 26 | ||
| 27 | ||
| 28 | import vip.xiaonuo.core.consts.CommonConstant; | |
| 29 | import vip.xiaonuo.core.context.requestno.RequestNoContext; | |
| 30 | ||
| 31 | import javax.servlet.*; | |
| 32 | import javax.servlet.http.HttpServletResponse; | |
| 33 | import java.io.IOException; | |
| 34 | import java.util.UUID; | |
| 35 | ||
| 36 | /** | |
| 37 | * 对请求生成唯一编码 | |
| 38 | * | |
| 39 | * @author yubaoshan | |
| 40 | * @date 2020/6/21 10:04 | |
| 41 | */ | |
| 42 | public class RequestNoFilter implements Filter { | |
| 43 | ||
| 44 | @Override | |
| 45 | public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { | |
| 46 | try { | |
| 47 | // 生成唯一请求号uuid | |
| 48 | String requestNo = UUID.randomUUID().toString(); | |
| 49 | ||
| 50 | // 增加响应头的请求号 | |
| 51 | HttpServletResponse httpServletResponse = (HttpServletResponse) response; | |
| 52 | httpServletResponse.addHeader(CommonConstant.REQUEST_NO_HEADER_NAME, requestNo); | |
| 53 | ||
| 54 | // 临时存储 | |
| 55 | RequestNoContext.set(requestNo); | |
| 56 | ||
| 57 | // 放开请求 | |
| 58 | chain.doFilter(request, response); | |
| 59 | ||
| 60 | } finally { | |
| 61 | // 清除临时存储的唯一编号 | |
| 62 | RequestNoContext.clear(); | |
| 63 | } | |
| 64 | ||
| 65 | } | |
| 66 | ||
| 67 | } | |
