From e0a684b58b1f6af88052e71b376419fe7632e6c8 Mon Sep 17 00:00:00 2001
From: "Jerry.Chen" <jerry.myoss@gmail.com>
Date: Tue, 12 Mar 2019 12:54:33 +0800
Subject: [PATCH] =?UTF-8?q?feature:=20=E5=A2=9E=E5=8A=A0=E6=A8=A1=E5=9D=97?=
 =?UTF-8?q?=20"myoss-starter-webflux"?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 myoss-starter-webflux/pom.xml                 |  59 ++++++
 .../reactive/spring/boot/BootApplication.java | 197 ++++++++++++++++++
 ...itional-spring-configuration-metadata.json |   4 +
 .../main/resources/META-INF/spring.factories  |   2 +
 pom.xml                                       |   1 +
 5 files changed, 263 insertions(+)
 create mode 100644 myoss-starter-webflux/pom.xml
 create mode 100644 myoss-starter-webflux/src/main/java/app/myoss/cloud/web/reactive/spring/boot/BootApplication.java
 create mode 100644 myoss-starter-webflux/src/main/resources/META-INF/additional-spring-configuration-metadata.json
 create mode 100644 myoss-starter-webflux/src/main/resources/META-INF/spring.factories

diff --git a/myoss-starter-webflux/pom.xml b/myoss-starter-webflux/pom.xml
new file mode 100644
index 0000000..188fe93
--- /dev/null
+++ b/myoss-starter-webflux/pom.xml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>myoss-starter-projects</artifactId>
+        <groupId>app.myoss.cloud.boot</groupId>
+        <version>2.1.1.RELEASE</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>myoss-starter-webflux</artifactId>
+    <name>myoss-starter-webflux</name>
+    <description>myoss open source project, myoss-starter written in Java</description>
+    <url>https://github.com/myoss/myoss-starter-projects</url>
+    <inceptionYear>2018</inceptionYear>
+
+    <scm>
+        <url>https://github.com/myoss/myoss-starter-projects</url>
+        <connection>scm:git:https://github.com/myoss/myoss-starter-projects.git</connection>
+    </scm>
+
+    <licenses>
+        <license>
+            <name>Apache 2</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <distribution>repo</distribution>
+            <comments>A business-friendly OSS license</comments>
+        </license>
+    </licenses>
+
+    <developers>
+        <developer>
+            <name>Jerry.Chen</name>
+            <email>jerry.work@aliyun.com</email>
+            <organizationUrl>https://github.com/myoss</organizationUrl>
+        </developer>
+    </developers>
+
+    <dependencies>
+        <!-- myoss cloud dependencies start -->
+        <dependency>
+            <groupId>app.myoss.cloud.boot</groupId>
+            <artifactId>myoss-starter-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>app.myoss.cloud.boot</groupId>
+            <artifactId>myoss-starter-apm</artifactId>
+        </dependency>
+        <!-- myoss cloud dependencies end -->
+
+        <!-- spring boot start -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-webflux</artifactId>
+        </dependency>
+        <!-- spring boot end -->
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/myoss-starter-webflux/src/main/java/app/myoss/cloud/web/reactive/spring/boot/BootApplication.java b/myoss-starter-webflux/src/main/java/app/myoss/cloud/web/reactive/spring/boot/BootApplication.java
new file mode 100644
index 0000000..282314e
--- /dev/null
+++ b/myoss-starter-webflux/src/main/java/app/myoss/cloud/web/reactive/spring/boot/BootApplication.java
@@ -0,0 +1,197 @@
+/*
+ * Copyright 2018-2019 https://github.com/myoss
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package app.myoss.cloud.web.reactive.spring.boot;
+
+import static app.myoss.cloud.core.constants.MyossConstants.DEPLOY_ENV;
+
+import java.util.Arrays;
+
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.springframework.boot.SpringApplication;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.util.ClassUtils;
+
+import app.myoss.cloud.apm.spring.cloud.sleuth.trace.ApplicationEventTracer;
+import app.myoss.cloud.core.constants.MyossConstants;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+/**
+ * Spring Boot Application 启动的时候一些常用方法封装
+ *
+ * @author Jerry.Chen
+ * @since 2018年4月12日 下午1:46:07
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class BootApplication {
+    /**
+     * 为 Application 设置 {@link MyossConstants#DEPLOY_ENV DEPLOY_ENV}
+     * 环境变量，如果环境变量中没有设置，则设置部署的默认环境为：dev
+     * <p>
+     * 会先去检查方法的参数：deployEnvValue，如果是：<code>null</code>或者<code>""</code>
+     * ，则再去系统环境变量中查找是否有，如果也没有则设置为：dev
+     *
+     * @param logger 日志
+     * @param deployEnvValue 待检查的“部署的默认环境的值”，如果是：<code>null</code>或者
+     *            <code>""</code>，则再去系统环境变量中查找是否有，如果也没有则设置为：dev
+     * @return 部署的默认环境的值
+     */
+    public static String setStartDeployEnv(Logger logger, String deployEnvValue) {
+        String deployEnv = (StringUtils.isNotBlank(deployEnvValue) ? deployEnvValue
+                : StringUtils.defaultIfBlank(System.getProperty(DEPLOY_ENV), System.getenv(DEPLOY_ENV)));
+        logger.info("Starting application, DEPLOY_ENV: {}", deployEnv);
+        if (StringUtils.isBlank(deployEnv)) {
+            // 设置部署的默认环境为：dev（即本机开发）
+            deployEnv = "dev";
+            System.setProperty(DEPLOY_ENV, deployEnv);
+            logger.info("DEPLOY_ENV set to {}", deployEnv);
+        }
+        return deployEnv;
+    }
+
+    /**
+     * 为 Application 设置 {@link MyossConstants#DEPLOY_ENV DEPLOY_ENV}
+     * 环境变量，如果环境变量中没有设置，则设置部署的默认环境为：dev
+     *
+     * @param logger 日志
+     * @return 部署的默认环境的值
+     */
+    public static String setStartDeployEnv(Logger logger) {
+        return setStartDeployEnv(logger, null);
+    }
+
+    /**
+     * Static helper that can be used to run a {@link SpringApplication} from
+     * the specified source using default settings.
+     * <p>
+     * 启动 Spring boot Application，额外会做下面几件事情：
+     * <ol>
+     * <li>创建应用程序事件追踪 {@link ApplicationEventTracer} ，并注册到
+     * {@link ApplicationContext}
+     * <li>检查部署的环境变量 {@link BootApplication#setStartDeployEnv(Logger)}
+     * </ol>
+     *
+     * @param logger 日志
+     * @param setDeployEnv true/false，是否检查部署的环境变量
+     *            {@link BootApplication#setStartDeployEnv(Logger)}
+     * @param deployEnvValue 待检查的“部署的默认环境的值”，如果是：<code>null</code>或者
+     *            <code>""</code>，则再去系统环境变量中查找是否有，如果也没有则设置为：dev
+     * @param source the source to load
+     * @param args the application arguments (usually passed from a Java main
+     *            method)
+     * @return the running {@link ApplicationContext}
+     * @see SpringApplication#run(Class, String...)
+     */
+    public static ConfigurableApplicationContext run(Logger logger, boolean setDeployEnv, String deployEnvValue,
+                                                     Class<?> source, String... args) {
+        boolean isDefaultTracerPresent = ClassUtils.isPresent("brave.Tracing", BootApplication.class.getClassLoader());
+        ApplicationEventTracer applicationEventTracer = null;
+        if (isDefaultTracerPresent) {
+            applicationEventTracer = new ApplicationEventTracer();
+            applicationEventTracer.startApplication();
+        }
+        String deployEnv = null;
+        if (setDeployEnv) {
+            deployEnv = BootApplication.setStartDeployEnv(logger, deployEnvValue);
+        }
+        ConfigurableApplicationContext applicationContext = SpringApplication.run(source, args);
+        if (setDeployEnv) {
+            logger.info("Started application with args: {}, deployEnv: {}", Arrays.toString(args), deployEnv);
+        } else {
+            logger.info("Started application with args: {}", Arrays.toString(args));
+        }
+        if (isDefaultTracerPresent) {
+            applicationEventTracer.startedApplication(applicationContext);
+        }
+        return applicationContext;
+    }
+
+    /**
+     * Static helper that can be used to run a {@link SpringApplication} from
+     * the specified source using default settings.
+     * <p>
+     * 启动 Spring boot Application，额外会做下面几件事情：
+     * <ol>
+     * <li>创建应用程序事件追踪 {@link ApplicationEventTracer} ，并注册到
+     * {@link ApplicationContext}
+     * <li>检查部署的环境变量 {@link BootApplication#setStartDeployEnv(Logger)}
+     * </ol>
+     *
+     * @param logger 日志
+     * @param source the source to load
+     * @param args the application arguments (usually passed from a Java main
+     *            method)
+     * @return the running {@link ApplicationContext}
+     * @see SpringApplication#run(Class, String...)
+     */
+    public static ConfigurableApplicationContext run(Logger logger, Class<?> source, String... args) {
+        return run(logger, true, null, source, args);
+    }
+
+    /**
+     * Static helper that can be used to run a {@link SpringApplication} from
+     * the specified source using default settings.
+     * <p>
+     * 启动 Spring boot Application，额外会做下面几件事情：
+     * <ol>
+     * <li>创建应用程序事件追踪 {@link ApplicationEventTracer} ，并注册到
+     * {@link ApplicationContext}
+     * <li>检查部署的环境变量 {@link BootApplication#setStartDeployEnv(Logger)}
+     * </ol>
+     *
+     * @param logger 日志
+     * @param deployEnvValue 待检查的“部署的默认环境的值”，如果是：<code>null</code>或者
+     *            <code>""</code>，则再去系统环境变量中查找是否有，如果也没有则设置为：dev
+     * @param source the source to load
+     * @param args the application arguments (usually passed from a Java main
+     *            method)
+     * @return the running {@link ApplicationContext}
+     * @see SpringApplication#run(Class, String...)
+     */
+    public static ConfigurableApplicationContext run(Logger logger, String deployEnvValue, Class<?> source,
+                                                     String... args) {
+        return run(logger, true, deployEnvValue, source, args);
+    }
+
+    /**
+     * Static helper that can be used to run a {@link SpringApplication} from
+     * the specified source using default settings.
+     * <p>
+     * 启动 Spring boot Application，额外会做下面几件事情：
+     * <ol>
+     * <li>创建应用程序事件追踪 {@link ApplicationEventTracer} ，并注册到
+     * {@link ApplicationContext}
+     * <li>检查部署的环境变量 {@link BootApplication#setStartDeployEnv(Logger)}
+     * </ol>
+     *
+     * @param logger 日志
+     * @param setDeployEnv true/false，是否检查部署的环境变量
+     *            {@link BootApplication#setStartDeployEnv(Logger)}
+     * @param source the source to load
+     * @param args the application arguments (usually passed from a Java main
+     *            method)
+     * @return the running {@link ApplicationContext}
+     * @see SpringApplication#run(Class, String...)
+     */
+    public static ConfigurableApplicationContext run(Logger logger, boolean setDeployEnv, Class<?> source,
+                                                     String... args) {
+        return run(logger, setDeployEnv, null, source, args);
+    }
+}
diff --git a/myoss-starter-webflux/src/main/resources/META-INF/additional-spring-configuration-metadata.json b/myoss-starter-webflux/src/main/resources/META-INF/additional-spring-configuration-metadata.json
new file mode 100644
index 0000000..6491314
--- /dev/null
+++ b/myoss-starter-webflux/src/main/resources/META-INF/additional-spring-configuration-metadata.json
@@ -0,0 +1,4 @@
+{
+  "properties": [
+  ]
+}
\ No newline at end of file
diff --git a/myoss-starter-webflux/src/main/resources/META-INF/spring.factories b/myoss-starter-webflux/src/main/resources/META-INF/spring.factories
new file mode 100644
index 0000000..ea2edf7
--- /dev/null
+++ b/myoss-starter-webflux/src/main/resources/META-INF/spring.factories
@@ -0,0 +1,2 @@
+# Auto Configure
+#org.springframework.boot.autoconfigure.EnableAutoConfiguration = \
diff --git a/pom.xml b/pom.xml
index 70fdb88..897d44e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,6 +47,7 @@
         <module>myoss-starter-apm</module>
         <module>myoss-starter-cache</module>
         <module>myoss-starter-web</module>
+        <module>myoss-starter-webflux</module>
     </modules>
 
     <properties>