add spring enviroment extension module

spring-cloud-alibaba-examples/env-extension/pom.xml

@@ -0,0 +1,35 @@
+<?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>
+        <groupId>org.springframework.cloud</groupId>
+        <artifactId>spring-cloud-alibaba</artifactId>
+        <version>0.1.2.BUILD-SNAPSHOT</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>alibaba.com</groupId>
+    <artifactId>env-extension</artifactId>
+    <packaging>jar</packaging>
+
+    <name>env-extension</name>
+    <description>Demo project for Spring Boot</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-commons</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-context</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

spring-cloud-alibaba-examples/env-extension/src/main/java/org/springframework/alicloud/env/extension/ImportExtraConfig.java

@@ -0,0 +1,11 @@
+package org.springframework.alicloud.env.extension;
+
+import java.lang.annotation.*;
+
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface ImportExtraConfig {
+
+	String[] name() default "";
+}

spring-cloud-alibaba-examples/env-extension/src/main/java/org/springframework/alicloud/env/extension/LoadExtraConfigApplicationListener.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2019 the original author or authors.
+ *
+ * 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 org.springframework.alicloud.env.extension;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent;
+import org.springframework.context.ApplicationListener;
+import org.springframework.core.env.PropertiesPropertySource;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.Properties;
+
+/**
+ * @author pbting
+ * @date 2019-01-09 7:39 PM
+ */
+public class LoadExtraConfigApplicationListener
+		implements ApplicationListener<ApplicationEnvironmentPreparedEvent> {
+
+	@Override
+	public void onApplicationEvent(ApplicationEnvironmentPreparedEvent event) {
+		SpringApplication springApplication = event.getSpringApplication();
+		Class clazz = springApplication.getMainApplicationClass();
+		if (!clazz.isAnnotationPresent(ImportExtraConfig.class)) {
+			return;
+		}
+		ImportExtraConfig annotation = (ImportExtraConfig) clazz
+				.getAnnotation(ImportExtraConfig.class);
+
+		String[] extraConfig = annotation.name();
+
+		if (extraConfig == null || extraConfig.length == 0) {
+			return;
+		}
+
+		for (String config : extraConfig) {
+			try {
+				Properties properties = new Properties();
+				properties.load(new FileInputStream(config));
+				event.getEnvironment().getPropertySources()
+						.addFirst(new PropertiesPropertySource(config, properties));
+			}
+			catch (IOException e) {
+				e.printStackTrace();
+			}
+		}
+	}
+}

spring-cloud-alibaba-examples/env-extension/src/main/resources/META-INF/spring.factories

@@ -0,0 +1,2 @@
+org.springframework.context.ApplicationListener=\
+  org.springframework.alicloud.env.extension.LoadExtraConfigApplicationListener

spring-cloud-alibaba-examples/pom.xml

@@ -28,6 +28,7 @@
         <module>ans-example/ans-provider-example</module>
         <module>acm-example/acm-local-example</module>
         <module>rocketmq-example</module>
+        <module>env-extension</module>
         <module>sms-example</module>
         <module>spring-cloud-bus-rocketmq-example</module>
         <module>schedulerx-example/schedulerx-simple-task-example</module>

spring-cloud-alibaba-examples/sms-example/pom.xml

@@ -31,6 +31,11 @@
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-alicloud-sms</artifactId>
         </dependency>
+        <dependency>
+            <groupId>alibaba.com</groupId>
+            <artifactId>env-extension</artifactId>
+            <version>0.1.2.BUILD-SNAPSHOT</version>
+        </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>

spring-cloud-alibaba-examples/sms-example/src/main/java/org/springframework/cloud/alibaba/cloud/example/SmsApplication.java

@@ -1,13 +1,48 @@
-package org.springframework.cloud.alibaba.cloud.example;
-
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-
-@SpringBootApplication
-public class SmsApplication {
-
-	public static void main(String[] args) {
-
-		SpringApplication.run(SmsApplication.class, args);
-	}
-}
+//package org.springframework.cloud.alibaba.cloud.example;
+//
+//import org.springframework.alicloud.env.extension.ImportExtraConfig;
+//import org.springframework.boot.SpringApplication;
+//import org.springframework.boot.SpringApplicationRunListener;
+//import org.springframework.boot.autoconfigure.SpringBootApplication;
+//import org.springframework.context.ConfigurableApplicationContext;
+//import org.springframework.core.env.ConfigurableEnvironment;
+//
+//@SpringBootApplication
+//@ImportExtraConfig(name = "/Users/toava/sms.properties")
+//public class SmsApplication {
+//
+//	public static void main(String[] args) {
+//
+//		SpringApplication.run(SmsApplication.class, args);
+//	}
+//
+//	public class EvnExtra implements SpringApplicationRunListener {
+//		@Override
+//		public void starting() {
+//
+//		}
+//
+//		@Override
+//		public void environmentPrepared(ConfigurableEnvironment environment) {
+//
+//		}
+//
+//		@Override
+//		public void contextPrepared(ConfigurableApplicationContext context) {
+//
+//		}
+//
+//		@Override
+//		public void contextLoaded(ConfigurableApplicationContext context) {
+//
+//		}
+//
+//		@Override
+//		public void finished(ConfigurableApplicationContext context,
+//				Throwable exception) {
+//			String ak = context.getEnvironment()
+//					.getProperty("spring.cloud.alicloud.access-key");
+//			System.err.println(ak);
+//		}
+//	}
+//}

spring-cloud-alibaba-examples/sms-example/src/main/java/org/springframework/cloud/alibaba/cloud/example/env/SmsApplication.java

@@ -0,0 +1,30 @@
+package org.springframework.cloud.alibaba.cloud.example.env;
+
+import org.springframework.alicloud.env.extension.ImportExtraConfig;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@SpringBootApplication
+@ImportExtraConfig(name = "/Users/toava/sms.properties")
+public class SmsApplication {
+
+	public static void main(String[] args) {
+
+		SpringApplication.run(SmsApplication.class, args);
+	}
+
+	@RestController
+	public class EnvExtraController{
+
+		@Value("${spring.cloud.alicloud.access-key:deshao}")
+		private String ak;
+
+		@GetMapping("/get-ak.do")
+		public String getAk(){
+			return ak;
+		}
+	}
+}