Minor formatting

src/io/calimero/knxnetip/util/DIB.java

@@ -1,6 +1,6 @@
 /*
     Calimero 2 - A library for KNX network access
-    Copyright (c) 2006, 2022 B. Malinowsky
+    Copyright (c) 2006, 2024 B. Malinowsky
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -95,7 +95,6 @@ public abstract class DIB
 
 	/**
 	 * Creates a new DIB out of a byte array.
-	 * <p>
 	 *
 	 * @param data byte array containing DIB structure
 	 * @param offset start offset of DIB in {@code data}
@@ -113,7 +112,6 @@ protected DIB(final byte[] data, final int offset) throws KNXFormatException
 
 	/**
 	 * Creates a new DIB and initializes basic fields.
-	 * <p>
 	 *
 	 * @param dibSize total size of DIB in bytes, {@code dibSize > 0}
 	 * @param descriptionType one of the description type code constants of this class
@@ -138,21 +136,15 @@ public final int getDescTypeCode()
 	}
 
 	/**
-	 * Returns the structure length of this DIB in bytes.
-	 * <p>
-	 *
-	 * @return structure length as unsigned byte
+	 * {@return the structure length of this DIB in bytes as unsigned byte}
 	 */
 	public final int getStructLength()
 	{
 		return size;
 	}
 
 	/**
-	 * Returns the byte representation of the whole DIB structure.
-	 * <p>
-	 *
-	 * @return byte array containing structure
+	 * {@return the byte representation of the whole DIB structure as byte array}
 	 */
 	public byte[] toByteArray()
 	{

src/io/calimero/link/medium/TP1Ack.java

@@ -1,6 +1,6 @@
 /*
     Calimero 2 - A library for KNX network access
-    Copyright (c) 2006, 2022 B. Malinowsky
+    Copyright (c) 2006, 2024 B. Malinowsky
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -75,16 +75,13 @@ public TP1Ack(final byte[] data, final int offset) throws KNXFormatException
 		final int ctrl = data[offset] & 0xff;
 		if ((ctrl & 0x33) != 0x00)
 			throw new KNXFormatException("no TP1 ACK frame, invalid control field", ctrl);
-		if (ctrl == ACK)
-			ack = ACK;
-		else if (ctrl == NAK)
-			ack = NAK;
-		else if (ctrl == BUSY)
-			ack = BUSY;
-		else if (ctrl == NAK_BUSY)
-			ack = NAK_BUSY;
-		else
-			throw new KNXFormatException("no valid acknowledge type", ctrl);
+		ack = switch (ctrl) {
+			case ACK -> ACK;
+			case NAK -> NAK;
+			case BUSY -> BUSY;
+			case NAK_BUSY -> NAK_BUSY;
+			default -> throw new KNXFormatException("invalid acknowledge type", ctrl);
+		};
 	}
 
 	@Override

test/io/calimero/knxnetip/KNXnetIPRouterTest.java

@@ -1,6 +1,6 @@
 /*
     Calimero 2 - A library for KNX network access
-    Copyright (c) 2006, 2023 B. Malinowsky
+    Copyright (c) 2006, 2024 B. Malinowsky
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -36,14 +36,14 @@
 
 package io.calimero.knxnetip;
 
+import static io.calimero.knxnetip.KNXnetIPConnection.BlockingMode.NonBlocking;
 import static java.nio.ByteBuffer.allocate;
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.junit.jupiter.api.Assertions.fail;
-import static io.calimero.knxnetip.KNXnetIPConnection.BlockingMode.NonBlocking;
 
 import java.io.IOException;
 import java.net.DatagramPacket;
@@ -65,9 +65,6 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-import tag.KnxnetIP;
-import tag.KnxnetIPSequential;
-import tag.Slow;
 import io.calimero.CloseEvent;
 import io.calimero.DataUnitBuilder;
 import io.calimero.FrameEvent;
@@ -87,6 +84,9 @@
 import io.calimero.knxnetip.servicetype.RoutingBusy;
 import io.calimero.knxnetip.servicetype.RoutingSystemBroadcast;
 import io.calimero.mgmt.PropertyAccess.PID;
+import tag.KnxnetIP;
+import tag.KnxnetIPSequential;
+import tag.Slow;
 
 
 @KnxnetIP