| 提交 | 用户 | 时间 | ||
| e7c126 | 1 | package com.iailab.gateway.util; |
| H | 2 | |
| 3 | import cn.hutool.core.net.NetUtil; | |
| 4 | import cn.hutool.core.util.IdUtil; | |
| 5 | import cn.hutool.core.util.StrUtil; | |
| 6 | import org.springframework.cloud.client.ServiceInstance; | |
| 7 | import org.springframework.http.HttpHeaders; | |
| 8 | ||
| 9 | import java.util.Objects; | |
| 10 | ||
| 11 | /** | |
| 12 | * 环境 Utils | |
| 13 | * | |
| 14 | * copy from iailab-common-env 的 EnvUtils 类 | |
| 15 | * | |
| 16 | * @author iailab | |
| 17 | */ | |
| 18 | public class EnvUtils { | |
| 19 | ||
| 20 | private static final String HEADER_TAG = "tag"; | |
| 21 | ||
| 22 | public static final String HOST_NAME_VALUE = "${HOSTNAME}"; | |
| 23 | ||
| 24 | public static String getTag(HttpHeaders headers) { | |
| 25 | String tag = headers.getFirst(HEADER_TAG); | |
| 26 | // 如果请求的是 "${HOSTNAME}"，则解析成对应的本地主机名 | |
| 27 | // 目的：特殊逻辑，解决 IDEA Rest Client 不支持环境变量的读取，所以就服务器来做 | |
| 28 | return Objects.equals(tag, HOST_NAME_VALUE) ? getHostName() : tag; | |
| 29 | } | |
| 30 | ||
| 31 | public static String getTag(ServiceInstance instance) { | |
| 32 | return instance.getMetadata().get(HEADER_TAG); | |
| 33 | } | |
| 34 | ||
| 35 | public static String getHostName() { | |
| 36 | return StrUtil.blankToDefault(NetUtil.getLocalHostName(), IdUtil.fastSimpleUUID()); | |
| 37 | } | |
| 38 | ||
| 39 | } | |
