| 提交 | 用户 | 时间 | ||
| e7c126 | 1 | package com.iailab.framework.env.core.util; |
| H | 2 | |
| 3 | import com.iailab.framework.env.config.EnvProperties; | |
| 4 | import feign.RequestTemplate; | |
| 5 | import lombok.SneakyThrows; | |
| 6 | import org.springframework.cloud.client.ServiceInstance; | |
| 7 | import org.springframework.core.env.Environment; | |
| 8 | ||
| 9 | import javax.servlet.http.HttpServletRequest; | |
| 10 | import java.net.InetAddress; | |
| 11 | import java.util.Objects; | |
| 12 | ||
| 13 | /** | |
| 14 | * 环境 Utils | |
| 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 = "${HOSTNAME}"; | |
| 23 | ||
| 24 | public static String getTag(HttpServletRequest request) { | |
| 25 | String tag = request.getHeader(HEADER_TAG); | |
| 26 | // 如果请求的是 "${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 getTag(Environment environment) { | |
| 36 | String tag = environment.getProperty(EnvProperties.TAG_KEY); | |
| 37 | // 如果请求的是 "${HOSTNAME}"，则解析成对应的本地主机名 | |
| 38 | // 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 | |
| 39 | return Objects.equals(tag, HOST_NAME_VALUE) ? getHostName() : tag; | |
| 40 | } | |
| 41 | ||
| 42 | public static void setTag(RequestTemplate requestTemplate, String tag) { | |
| 43 | requestTemplate.header(HEADER_TAG, tag); | |
| 44 | } | |
| 45 | ||
| 46 | /** | |
| 47 | * 获得 hostname 主机名 | |
| 48 | * | |
| 49 | * @return 主机名 | |
| 50 | */ | |
| 51 | @SneakyThrows | |
| 52 | public static String getHostName() { | |
| 53 | return InetAddress.getLocalHost().getHostName(); | |
| 54 | } | |
| 55 | ||
| 56 | } | |
