Adds an afterStart pseudo-event to LoomServer observable by Router implementations

webserver/webserver/src/main/java/io/helidon/webserver/LoomServer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2024 Oracle and/or its affiliates.
+ * Copyright (c) 2022, 2025 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -225,6 +225,8 @@ private void startIt() {
                 + uptime + " milliseconds since JVM startup. "
                 + "Java " + Runtime.version());
 
+        fireAfterStart();
+
         if ("!".equals(System.getProperty(EXIT_ON_STARTED_KEY))) {
             LOGGER.log(System.Logger.Level.INFO, String.format("Exiting, -D%s set.", EXIT_ON_STARTED_KEY));
             // we need to run the system exit on a different thread, to correctly finish whatever was happening on main
@@ -239,6 +241,10 @@ private void startIt() {
         }
     }
 
+    private void fireAfterStart() {
+        listeners.values().forEach(l -> l.router().afterStart(this));
+    }
+
     private void registerShutdownHook() {
         this.shutdownHandler = new ServerShutdownHandler(listeners, startFutures, running, context.id());
         Main.addShutdownHandler(this.shutdownHandler);

webserver/webserver/src/main/java/io/helidon/webserver/Router.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2023 Oracle and/or its affiliates.
+ * Copyright (c) 2022, 2025 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -61,6 +61,14 @@ static Router empty() {
      */
     void beforeStart();
 
+    /**
+     * This is called after the server's listeners have successfully started.
+     *
+     * @param webServer the {@link WebServer} that has successfully started
+     */
+    default void afterStart(WebServer webServer) {
+    }
+
     /**
      * List of all conifgured routings.
      *

webserver/webserver/src/main/java/io/helidon/webserver/RouterImpl.java

@@ -62,6 +62,13 @@ public void beforeStart() {
         }
     }
 
+    @Override
+    public void afterStart(WebServer webServer) {
+        for (Routing value : routings.values()) {
+            value.afterStart(webServer);
+        }
+    }
+
     @Override
     public List<? extends Routing> routings() {
         return List.copyOf(routings.values());

webserver/webserver/src/main/java/io/helidon/webserver/ServerLifecycle.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2023 Oracle and/or its affiliates.
+ * Copyright (c) 2022, 2025 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,6 +26,14 @@ public interface ServerLifecycle {
     default void beforeStart() {
     }
 
+    /**
+     * After server start.
+     *
+     * @param webServer the {@link WebServer} that was started
+     */
+    default void afterStart(WebServer webServer) {
+    }
+
     /**
      * After server stop.
      */

webserver/webserver/src/main/java/io/helidon/webserver/ServerListener.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2024 Oracle and/or its affiliates.
+ * Copyright (c) 2022, 2025 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -212,6 +212,10 @@ int port() {
         return connectedPort;
     }
 
+    Router router() {
+        return router;
+    }
+
     InetSocketAddress configuredAddress() {
         return configuredAddress;
     }