Checkstyle and copyright fixes

Signed-off-by: Tomas Langer <[email protected]>

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

@@ -16,12 +16,13 @@
 
 package io.helidon.webserver;
 
-import io.helidon.common.task.HelidonTaskExecutor;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ThreadFactory;
 
-/** 
+import io.helidon.common.task.HelidonTaskExecutor;
+
+/**
  * Encapsulates operations with {@link Executors}. Helps to workaround
  * limitations of GraalVM for JDK21 which doesn't support execution of
  * virtual threads and Graal.js code together. New versions of GraalVM
@@ -38,31 +39,33 @@ final class ExecutorsFactory {
     private ExecutorsFactory() {
     }
 
-    /** Used by {@link LoomServer} to allocate its executor service.
+    /**
+     * Used by {@link LoomServer} to allocate its executor service.
      *
      * @return {@link Executors#newVirtualThreadPerTaskExecutor()}
      */
     static ExecutorService newLoomServerVirtualThreadPerTaskExecutor() {
         return Executors.newVirtualThreadPerTaskExecutor();
     }
 
-    /** Used by {@link ServerListener} to allocate its reader executor.
+    /**
+     * Used by {@link ServerListener} to allocate its reader executor.
      *
      * @return {@link ThreadPerTaskExecutor#create(java.util.concurrent.ThreadFactory)}
      */
     static HelidonTaskExecutor newServerListenerReaderExecutor() {
         return ThreadPerTaskExecutor.create(virtualThreadFactory());
     }
 
-    /** Used by {@link ServerListener} to allocate its shared executor.
+    /**
+     * Used by {@link ServerListener} to allocate its shared executor.
      *
      * @return {@link Executors#newThreadPerTaskExecutor(java.util.concurrent.ThreadFactory)}.
      */
     static ExecutorService newServerListenerSharedExecutor() {
         return Executors.newThreadPerTaskExecutor(virtualThreadFactory());
     }
 
-
     private static ThreadFactory virtualThreadFactory() {
         return Thread.ofVirtual().factory();
     }

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

@@ -25,7 +25,6 @@
 import java.util.Timer;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2023 Oracle and/or its affiliates.
+ * Copyright (c) 2022, 2024 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.
@@ -34,7 +34,6 @@
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
 import java.util.concurrent.RejectedExecutionException;
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.TimeUnit;
@@ -60,7 +59,6 @@
 import static java.lang.System.Logger.Level.ERROR;
 import static java.lang.System.Logger.Level.INFO;
 import static java.lang.System.Logger.Level.TRACE;
-import java.util.concurrent.ThreadFactory;
 
 class ServerListener implements ListenerContext {
     private static final System.Logger LOGGER = System.getLogger(ServerListener.class.getName());