Springboot集成Springbrick实现动态插件的步骤详解
作者：justry_deng
这篇文章主要介绍了Springboot集成Springbrick实现动态插件的详细过程，文中的流程通过代码示例介绍的非常详细，感兴趣的同学可以参考一下
spring-boot集成spring-brick实现动态插件
项目结构 & 需求实现
提示：本文的集成说明，是针对完成此设计、此需求进行的
项目结构
demo
│
├─application # 主应用
│
└─plugin-api
│
├─plugin-qwer # plugin-qwer-api的实现示例1（注：也可以是单独的一个项目，继承不继承plugin-api均可）
│
├─plugin-qwer2 # plugin-qwer-api的实现示例2（注：也可以是单独的一个项目，继承不继承plugin-api均可）
│
├─plugin-qwer-api # 插件qwer-api
│
├─plugin-xyz # plugin-xyz-api的实现示例（注：也可以是单独的一个项目，继承不继承plugin-api均可）
│
└─plugin-xyz-api # 插件xyz-api
需求实现
主应用（application）、各个插件的实现（plugin-qwer、plugin-qwer2、plugin-xyz）均可单独启动
主应用（application）启动后，可动态插拔各插件（plugin-qwer、plugin-qwer2、plugin-xyz）
在plugin-api中，定义各种接口、及相关的pojo，这些接口由具体的插件实现去完成，主应用（application）面向plugin-api编程即可
spring-boot集成spring-brick
环境说明
- spring-boot：2.6.13
- spring-brick：3.1.1
1. 主程序集成spring-brick
第一步：引入相关依赖
<dependency>
<groupId>com.gitee.starblues</groupId>
<artifactId>spring-brick</artifactId>
<version>3.1.1</version>
</dependency>第二步：修改程序入口方法
import com.gitee.starblues.loader.launcher.SpringBootstrap;
import com.gitee.starblues.loader.launcher.SpringMainBootstrap;
import com.ideaaedi.commonspring.annotation.EnableParameterRecorder;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* main-application start class
*/
@SpringBootApplication
public class MainApplication implements SpringBootstrap {
public static void main(String[] args) {
// 这里使用 SpringMainBootstrap 引导启动
SpringMainBootstrap.launch(MainApplication.class, args);
}
@Override
public void run(String[] args) throws Exception {
// 这里的写法和SpringBoot 启动保持一致
SpringApplication.run(MainApplication.class, args);
}
}第三步：编写配置
plugin:
# 运行模式, 开发环境: dev; 生产环境: prod
runMode: prod
# 主程序包名, 包名建议设置到范围最大级别，能包含主程序所有类的包名范围
mainPackage: com.example.springbrick.application
# 插件的路径, 可配置多个, 开发环境下配置为插件模块上级目录; 生产环境下配置到插件jar包存放目录。
# 可使用~符号表示相对目录，比如：~/plugins，开发环境相对于开发根目录，生产环境下相对于主程序jar所在目录
pluginPath:
- C:/Users/Administrator/Desktop/plugin第四步：设置maven插件
<!-- 本人引入此插件后，去除了spring-boot自身的打包插件 -->
<plugin>
<groupId>com.gitee.starblues</groupId>
<artifactId>spring-brick-maven-packager</artifactId>
<version>3.1.1</version>
<configuration>
<mode>main</mode>
<mainConfig>
<!-- 指定main -->
<mainClass>com.example.springbrick.application.MainApplication</mainClass>
<packageType>jar</packageType>
</mainConfig>
</configuration>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>2. 准备plugin-api
第一步：引入相关依赖
<dependency>
<groupId>com.gitee.starblues</groupId>
<artifactId>spring-brick</artifactId>
<version>3.1.1</version>
<!-- 这里指定为provided即可，主程序中已经存在此artifact了 -->
<scope>provided</scope>
</dependency>第二步：引入相关依赖
注意：各plugin-api的包名，应该处于主程序包名（本人这里为plugin.mainPackage=com.example.springbrick.application）的子集。如果不这样设置的话，主程序和插件实现程序加载plugin-api中的类时，将被类加载器隔离
根据自己业务需要，定义业务接口及相关pojo即可，如：
3. 实现plugin-api
提示：各plugin-api的实现程序，继承不继承父类plugin-api都可以
第一步：引入相关依赖
- 架构级依赖
<!-- 引入要实现的plugin-api -->
<dependency>
<groupId>com.example</groupId>
<artifactId>plugin-xyz-api</artifactId>
<version>1.0.0</version>
</dependency>
<!-- 引入spring-brick-bootstrap以完成插件的引导 -->
<dependency>
<groupId>com.gitee.starblues</groupId>
<artifactId>spring-brick-bootstrap</artifactId>
<version>3.1.1</version>
</dependency>
<!-- 和主程序引入同样的spring-brick，不过这里需要设置为provided -->
<dependency>
<groupId>com.gitee.starblues</groupId>
<artifactId>spring-brick</artifactId>
<version>3.1.1</version>
<scope>provided</scope>
</dependency>- 业务级依赖
<!-- spring-boot-starter依赖 -->
<!--建议将spring-boot-starter依赖放到第一个位置, 以防止出现依赖冲突导致无法启动插件-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
<version>2.6.13</version>
</dependency>
<!-- spring-boot-starter-web依赖. 当插件需要独立启动时，需要引入此插件。但是当要打包成插件前，需要去除此依赖（因为主程序中已经存在此依赖了） -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>2.6.13</version>
<scope>test</scope>
</dependency>第二步：修改程序入口方法
import com.gitee.starblues.bootstrap.SpringPluginBootstrap;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* plugin start class
*/
@SpringBootApplication
public class PluginXyzApplication extends SpringPluginBootstrap {
public static void main(String[] args) {
new PluginXyzApplication().run(args);
}
}第三步：设置maven插件
<!-- 本人引入此插件后，去除了spring-boot自身的打包插件 -->
<plugin>
<groupId>com.gitee.starblues</groupId>
<artifactId>spring-brick-maven-packager</artifactId>
<version>3.1.1</version>
<configuration>
<!--当前打包模式为: 开发模式-->
<mode>prod</mode>
<!--插件信息定义-->
<pluginInfo>
<!--插件id-->
<id>plugin-xyz</id>
<!--插件入口类, 定义说明见: 定义插件入口类-->
<bootstrapClass>com.example.springbrick.plugin.xyz.PluginXyzApplication</bootstrapClass>
<!--插件版本号-->
<version>1.0.0</version>
</pluginInfo>
</configuration>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>4. 测试验证
提示：本人这里进行简单验证说明，更多验证可以去文末下载源码，自己跑起来后完成验证
- 第一步：打包所有插件实现，然后放到主程序配置文件中（
plugin.pluginPath）指定的插件位置
- 第二步：启动主程序
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.6.13)
2023-06-07 15:27:55.223 INFO 20520 --- [ Thread-0] c.g.s.l.launcher.SpringMainBootstrap : Starting SpringMainBootstrap using Java 17.0.3.1 on WIN-E500OMQS07D with PID 20520 (D:\maven\repository\com\gitee\starblues\spring-brick-loader\3.1.1\spring-brick-loader-3.1.1.jar started by Administrator in D:\working\demo)
2023-06-07 15:27:55.224 INFO 20520 --- [ Thread-0] c.g.s.l.launcher.SpringMainBootstrap : No active profile set, falling back to 1 default profile: "default"
2023-06-07 15:27:55.430 INFO 20520 --- [ Thread-0] c.i.c.aop.ParameterRecorderRegistrar : registry spring-bean parameterRecorder with ConstructorArg includePrefixes -> [], excludePrefixes -> [], parameterHandleMode -> USE_JSON, pretty -> true, ignoreParamTypes -> []
2023-06-07 15:27:55.902 INFO 20520 --- [ Thread-0] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2023-06-07 15:27:55.909 INFO 20520 --- [ Thread-0] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2023-06-07 15:27:55.909 INFO 20520 --- [ Thread-0] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.68]
2023-06-07 15:27:55.990 INFO 20520 --- [ Thread-0] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2023-06-07 15:27:55.990 INFO 20520 --- [ Thread-0] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 737 ms
2023-06-07 15:27:56.246 INFO 20520 --- [ Thread-0] c.i.commonspring.aop.ParameterRecorder : Set LocalVariableTableParameterNameDiscoverer as parameterNameDiscoverer.
2023-06-07 15:27:56.358 INFO 20520 --- [ Thread-0] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2023-06-07 15:27:56.364 INFO 20520 --- [ Thread-0] c.g.s.l.launcher.SpringMainBootstrap : Started SpringMainBootstrap in 1.377 seconds (JVM running for 1.736)
2023-06-07 15:27:56.367 INFO 20520 --- [ Thread-0] c.g.s.i.operator.DefaultPluginOperator : 插件加载环境: prod
2023-06-07 15:27:56.367 INFO 20520 --- [ Thread-0] c.g.s.i.operator.DefaultPluginOperator : 插件加载模式: isolation
2023-06-07 15:27:56.367 INFO 20520 --- [ Thread-0] c.g.s.i.operator.DefaultPluginOperator : 开始加载插件, 插件根路径为:
C:/Users/Administrator/Desktop/plugin
2023-06-07 15:27:56.367 INFO 20520 --- [ Thread-0] c.g.s.s.web.PluginStaticResourceConfig : 插件静态资源访问前缀配置为: /static-plugin/{pluginId}
2023-06-07 15:27:56.382 INFO 20520 --- [ Thread-0] c.g.starblues.core.DefaultPluginManager : 插件[plugin-qwer@1.0.0]加载成功
2023-06-07 15:27:56.383 INFO 20520 --- [ Thread-0] c.g.starblues.core.DefaultPluginManager : 插件[plugin-qwer2@1.0.0]加载成功
2023-06-07 15:27:56.384 INFO 20520 --- [ Thread-0] c.g.starblues.core.DefaultPluginManager : 插件[plugin-xyz@1.0.0]加载成功
2023-06-07 15:27:57.446 INFO 20520 --- [ Thread-0] c.g.s.b.ConfigurePluginEnvironment : Plugin[plugin-qwer@1.0.0] No active profile set, falling back to default profiles : default
2023-06-07 15:27:57.785 INFO 20520 --- [ Thread-0] c.g.starblues.core.DefaultPluginManager : 插件[plugin-qwer@1.0.0]启动成功
2023-06-07 15:27:58.690 INFO 20520 --- [ Thread-0] c.g.s.b.ConfigurePluginEnvironment : Plugin[plugin-qwer2@1.0.0] No active profile set, falling back to default profiles : default
2023-06-07 15:27:59.033 INFO 20520 --- [ Thread-0] c.g.starblues.core.DefaultPluginManager : 插件[plugin-qwer2@1.0.0]启动成功
2023-06-07 15:27:59.938 INFO 20520 --- [ Thread-0] c.g.s.b.ConfigurePluginEnvironment : Plugin[plugin-xyz@1.0.0] No active profile set, falling back to default profiles : default
2023-06-07 15:28:00.233 INFO 20520 --- [ Thread-0] c.g.starblues.core.DefaultPluginManager : 插件[plugin-xyz@1.0.0]启动成功
2023-06-07 15:28:00.234 INFO 20520 --- [ Thread-0] c.g.s.i.operator.DefaultPluginOperator : 插件初始化完成访问测试类，观察控制台输出
测试类长这样，访问
localhost:8080/demo/hello-world接口即可
import com.example.springbrick.application.helper.DynamicClass;
import com.example.springbrick.application.plugin.api.qwer.QwerService;
import com.example.springbrick.application.plugin.api.xyz.XyzService;
import com.example.springbrick.application.plugin.api.xyz.entity.IdInfo;
import com.example.springbrick.application.plugin.api.xyz.entity.User;
import com.gitee.starblues.integration.user.PluginUser;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.annotation.Resource;
import java.time.LocalDateTime;
import java.util.Map;
/**
* 动态插件支持
*/
@RestController
@RequestMapping("/demo")
public class DemoController {
@Resource
private PluginUser pluginUser;
@GetMapping("hello-world")
public void helloWorld() {
User user = new User();
user.setName("张三");
user.setBirthday(LocalDateTime.now());
IdInfo idInfo = new IdInfo();
idInfo.setIdNumber("12345");
idInfo.setExt("non");
user.setIdInfo(idInfo);
/* ------------------------------ 示例1 ------------------------------ */
QwerService qwerService = pluginUser.getBeanByInterface("plugin-qwer", QwerService.class).get(0);
System.err.println(qwerService.helloWorld());
System.err.println(qwerService.helloWorld123("sdfsd"));
XyzService xyzService = pluginUser.getBeanByInterface("plugin-xyz", XyzService.class).get(0);
xyzService.helloWorld();
System.err.println(xyzService.userInfo(user));
System.err.println();
System.err.println();
/* ------------------------------ 示例2 ------------------------------ */
Map<String, Object> pluginBean = pluginUser.getBean(QwerService.BEAN_NAME, false).getPluginBean();
pluginBean.forEach((pluginId, springBean) -> {
System.err.println(pluginId + " " + DynamicClass.exec(springBean, QwerService::helloWorld));
System.err.println(pluginId + " " + DynamicClass.exec(springBean, QwerService.EMPTY_INSTANCE::helloWorld123, "123"));
});
pluginBean = pluginUser.getBean(XyzService.BEAN_NAME, false).getPluginBean();
pluginBean.forEach((pluginId, springBean) -> {
DynamicClass.exec(springBean, XyzService::helloWorld);
System.err.println(pluginId + " " + DynamicClass.exec(springBean, XyzService.EMPTY_INSTANCE::userInfo, user));
});
}
}- 控制台输出
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