Fix more deprecations around TaskScheduler

spring-integration-file/src/main/java/org/springframework/integration/file/FileWritingMessageHandler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -31,6 +31,7 @@ import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.StandardCopyOption;
 import java.nio.file.attribute.PosixFilePermission;
+import java.time.Duration;
 import java.util.BitSet;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -450,7 +451,8 @@ public class FileWritingMessageHandler extends AbstractReplyProducingMessageHand
 		if (this.flushTask == null && FileExistsMode.APPEND_NO_FLUSH.equals(this.fileExistsMode)) {
 			TaskScheduler taskScheduler = getTaskScheduler();
 			Assert.state(taskScheduler != null, "'taskScheduler' is required for FileExistsMode.APPEND_NO_FLUSH");
-			this.flushTask = taskScheduler.scheduleAtFixedRate(new Flusher(), this.flushInterval / 3); // NOSONAR
+			this.flushTask = taskScheduler
+					.scheduleAtFixedRate(new Flusher(), Duration.ofMillis(this.flushInterval / 3)); // NOSONAR
 		}
 	}
 

spring-integration-file/src/main/java/org/springframework/integration/file/tail/FileTailingMessageProducerSupport.java

@@ -17,6 +17,8 @@
 package org.springframework.integration.file.tail;
 
 import java.io.File;
+import java.io.Serial;
+import java.time.Duration;
 import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.atomic.AtomicLong;
 
@@ -37,6 +39,7 @@ import org.springframework.util.Assert;
  * @author Artem Bilan
  * @author Ali Shahbour
  * @author Vladimir Plizga
+ *
  * @since 3.0
  *
  */
@@ -146,21 +149,21 @@ public abstract class FileTailingMessageProducerSupport extends MessageProducerS
 		}
 	}
 
-
-
 	@Override
 	protected void doStart() {
 		if (this.idleEventInterval > 0) {
-			this.idleEventScheduledFuture = getTaskScheduler().scheduleWithFixedDelay(() -> {
-				long now = System.currentTimeMillis();
-				long lastAlertAt = this.lastNoMessageAlert.get();
-				long lastSend = this.lastProduce;
-				if (now > lastSend + this.idleEventInterval
-						&& now > lastAlertAt + this.idleEventInterval
-						&& this.lastNoMessageAlert.compareAndSet(lastAlertAt, now)) {
-					publishIdleEvent(now - lastSend);
-				}
-			}, this.idleEventInterval);
+			this.idleEventScheduledFuture =
+					getTaskScheduler()
+							.scheduleWithFixedDelay(() -> {
+								long now = System.currentTimeMillis();
+								long lastAlertAt = this.lastNoMessageAlert.get();
+								long lastSend = this.lastProduce;
+								if (now > lastSend + this.idleEventInterval
+										&& now > lastAlertAt + this.idleEventInterval
+										&& this.lastNoMessageAlert.compareAndSet(lastAlertAt, now)) {
+									publishIdleEvent(now - lastSend);
+								}
+							}, Duration.ofMillis(this.idleEventInterval));
 		}
 	}
 
@@ -191,6 +194,7 @@ public abstract class FileTailingMessageProducerSupport extends MessageProducerS
 
 	public static class FileTailingIdleEvent extends FileTailingEvent {
 
+		@Serial
 		private static final long serialVersionUID = -967118535347976767L;
 
 		private final long idleTime;
@@ -210,6 +214,7 @@ public abstract class FileTailingMessageProducerSupport extends MessageProducerS
 
 	public static class FileTailingEvent extends FileIntegrationEvent {
 
+		@Serial
 		private static final long serialVersionUID = -3382255736225946206L;
 
 		private final String message;

spring-integration-file/src/main/java/org/springframework/integration/file/tail/OSDelegatingFileTailingMessageProducer.java

@@ -19,6 +19,7 @@ package org.springframework.integration.file.tail;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
+import java.time.Instant;
 import java.util.Date;
 
 import org.springframework.messaging.MessagingException;
@@ -165,9 +166,10 @@ public class OSDelegatingFileTailingMessageProducer extends FileTailingMessagePr
 						destroyProcess();
 					}
 					if (isRunning()) {
-						logger.info(() -> "Restarting tail process in " + getMissingFileDelay() + " milliseconds");
+						long missingFileDelay = getMissingFileDelay();
+						logger.info(() -> "Restarting tail process in " + missingFileDelay + " milliseconds");
 						getTaskScheduler()
-								.schedule(this::runExec, new Date(System.currentTimeMillis() + getMissingFileDelay()));
+								.schedule(this::runExec, Instant.now().plusMillis(missingFileDelay));
 					}
 				});
 	}