add DynamicApplication

Author: xlorne

springboot-starter/src/main/java/com/codingapi/springboot/framework/boot/DynamicApplication.java

@@ -0,0 +1,83 @@
+package com.codingapi.springboot.framework.boot;
+
+import lombok.Setter;
+import org.springframework.boot.SpringApplication;
+import org.springframework.context.ConfigurableApplicationContext;
+
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+
+public class DynamicApplication {
+
+    private final static DynamicApplication instance = new DynamicApplication();
+
+    public static DynamicApplication getInstance() {
+        return instance;
+    }
+
+    private DynamicApplication() {
+    }
+
+    private ConfigurableApplicationContext context;
+    private String[] runArgs;
+    private Class<?> applicationClass;
+
+    @Setter
+    private String jarsFolder = "./jars";
+
+
+    public void run0(Class<?> applicationClass, String[] args) {
+        this.runArgs = args;
+        this.applicationClass = applicationClass;
+        context = SpringApplication.run(applicationClass, args);
+    }
+
+
+    public static void run(Class<?> applicationClass, String[] args) {
+        DynamicApplication.getInstance().run0(applicationClass, args);
+    }
+
+    public static void restart() {
+        DynamicApplication.getInstance().restart0();
+    }
+
+    public void restart0() {
+        Thread thread = new Thread(() -> {
+            context.close();
+            try {
+                this.addDynamicJars();
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+            this.run0(applicationClass, runArgs);
+        });
+        thread.setDaemon(false);
+        thread.start();
+    }
+
+    private void addDynamicJars() throws IOException {
+        Path libsPath = Paths.get(jarsFolder);
+        if (Files.exists(libsPath) && Files.isDirectory(libsPath)) {
+            System.out.println("Start Load Dynamic Jars:");
+            List<URL> jarUrls = new ArrayList<>();
+            Files.list(libsPath)
+                    .filter(file -> file.toString().endsWith(".jar"))
+                    .forEach(file -> {
+                        try {
+                            URL url = file.toUri().toURL();
+                            jarUrls.add(url);
+                            System.out.println(url);
+                        } catch (Exception ignored) {}
+                    });
+            URL[] urls = jarUrls.toArray(new URL[0]);
+            URLClassLoader urlClassLoader = new URLClassLoader(urls, ClassLoader.getSystemClassLoader());
+            Thread.currentThread().setContextClassLoader(urlClassLoader);
+        }
+    }
+}

springboot-starter/src/test/java/com/codingapi/springboot/framework/FrameWorkApplication.java

@@ -1,12 +1,12 @@
 package com.codingapi.springboot.framework;
 
-import org.springframework.boot.SpringApplication;
+import com.codingapi.springboot.framework.boot.DynamicApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
 public class FrameWorkApplication {
 
     public static void main(String[] args) {
-        SpringApplication.run(FrameWorkApplication.class, args);
+        DynamicApplication.run(FrameWorkApplication.class, args);
     }
 }