Don't warn about ignored exceptions

Author: bmalinowsky

src/io/calimero/gui/About.java

@@ -119,7 +119,7 @@ class About {
 				asg.setImage(img);
 			}
 		}
-		catch (final IOException e) {}
+		catch (final IOException ignore) {}
 
 		final SelectionAdapter openLink = new SelectionAdapter() {
 			@Override

src/io/calimero/gui/BaosTab.java

@@ -318,7 +318,7 @@ protected void initTableBottom(final Composite parent, final Sash sash) {
 					dpDpt.setData(s, new Object[] { main, sub });
 				});
 			}
-			catch (final KNXException e) {}
+			catch (final KNXException ignore) {}
 		});
 		dpDpt.addSelectionListener(adapt(e -> {
 			final var dpt = selectedDpt();
@@ -613,7 +613,7 @@ private Spinner spinner(final int min, final int max, final String currentValue)
 		try {
 			spinner.setSelection(Integer.parseInt(currentValue));
 		}
-		catch (final NumberFormatException e) {}
+		catch (final NumberFormatException ignore) {}
 		final Supplier<String> formatter = () -> String.format("%02x", Integer.parseInt(spinner.getText()));
 		spinner.setData(formatter);
 		return spinner;
@@ -802,7 +802,7 @@ private static String ipAddress(final byte[] data) {
 		try {
 			return InetAddress.getByAddress(data).getHostAddress();
 		}
-		catch (final UnknownHostException e) {}
+		catch (final UnknownHostException ignore) {}
 		return "n/a";
 	}
 

src/io/calimero/gui/ConnectDialog.java

@@ -94,7 +94,7 @@ class ConnectDialog {
 		try {
 			localhost = InetAddress.getLocalHost();
 		}
-		catch (final UnknownHostException uhe) {}
+		catch (final UnknownHostException ignore) {}
 
 		final Text hostData;
 		final Text localhostData;
@@ -390,7 +390,7 @@ private Protocol useRouting()
 					return InetAddress.getByName(hostData.getText()).isMulticastAddress()
 							? Protocol.Routing : Protocol.Tunneling;
 				}
-				catch (final UnknownHostException e) {}
+				catch (final UnknownHostException ignore) {}
 				return Protocol.Tunneling;
 			}
 		});

src/io/calimero/gui/DiscoverTab.java

@@ -1,6 +1,6 @@
 /*
     Calimero GUI - A graphical user interface for the Calimero 3 tools
-    Copyright (c) 2006, 2024 B. Malinowsky
+    Copyright (c) 2006, 2025 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
@@ -353,7 +353,7 @@ else if (supportsSearchResponseV2.contains(result.remoteEndpoint()))
 			mcast = Optional.of(new InetSocketAddress(InetAddress.getByAddress(device.getMulticastAddress()),
 					KNXnetIPConnection.DEFAULT_PORT));
 		}
-		catch (final UnknownHostException e) {}
+		catch (final UnknownHostException ignore) {}
 
 		Map<ServiceFamily, Integer> secureServices = Map.of();
 		String itemText = newItem;

src/io/calimero/gui/ProcCommTab.java

@@ -277,7 +277,7 @@ public void widgetSelected(final org.eclipse.swt.events.SelectionEvent e)
 					dpt.setData(s, new Object[] { main, sub });
 				});
 			}
-			catch (final KNXException e) {}
+			catch (final KNXException ignore) {}
 		});
 		dpt.addSelectionListener(new SelectionAdapter() {
 			@Override

src/io/calimero/gui/PropertyEditorTab.java

@@ -713,7 +713,7 @@ private static String altFormatted(final String input, final String onError)
 					.collect(toList());
 			return altFormatted(values);
 		}
-		catch (final RuntimeException e) {}
+		catch (final RuntimeException ignore) {}
 		return onError;
 	}
 
@@ -723,7 +723,7 @@ private static String altFormatted(final List<byte[]> values, final String onErr
 			final List<BigInteger> list = values.stream().map(v -> new BigInteger(1, v)).collect(toList());
 			return altFormatted(list);
 		}
-		catch (final RuntimeException e) {}
+		catch (final RuntimeException ignore) {}
 		return onError;
 	}