add welcome msg

Author: gy2006

core/src/main/java/com/flowci/core/Application.java

@@ -16,15 +16,34 @@
 
 package com.flowci.core;
 
+import com.flowci.util.StringHelper;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.context.event.EventListener;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.ResourceLoader;
+
+import java.io.IOException;
 
 /**
  * @author yang
  */
+@Log4j2
 @SpringBootApplication
 public class Application {
 
+    @Autowired
+    private ResourceLoader resourceLoader;
+
+    @EventListener(ContextRefreshedEvent.class)
+    public void printBanner() throws IOException {
+        Resource r = resourceLoader.getResource("classpath:welcome.txt");
+        log.info(StringHelper.toString(r.getInputStream()));
+    }
+
     public static void main(String[] args) {
         SpringApplication.run(Application.class, args);
     }

core/src/main/resources/welcome.txt

@@ -0,0 +1,7 @@
+
+                 _                                 _             __  _                            _
+__      __  ___ | |  ___   ___   _ __ ___    ___  | |_   ___    / _|| |  ___  __      __     ___ (_)
+\ \ /\ / / / _ \| | / __| / _ \ | '_ ` _ \  / _ \ | __| / _ \  | |_ | | / _ \ \ \ /\ / /    / __|| |
+ \ V  V / |  __/| || (__ | (_) || | | | | ||  __/ | |_ | (_) | |  _|| || (_) | \ V  V /  _ | (__ | |
+  \_/\_/   \___||_| \___| \___/ |_| |_| |_| \___|  \__| \___/  |_|  |_| \___/   \_/\_/  (_) \___||_|
+