fix compile warnings

Author: chrisrueger

ui/org.eclipse.pde.bnd.ui/src/org/eclipse/pde/bnd/ui/ResourceUtils.java

@@ -129,9 +129,9 @@ public static Capability getContentCapability(Resource resource) throws IllegalA
 			String urlString = String.valueOf(url);
 
 			try {
-				new URL(urlString);
+				new URI(urlString).toURL();
 				return c;
-			} catch (MalformedURLException mue) {
+			} catch (MalformedURLException | URISyntaxException mue) {
 				// Oh well, just try the next one
 			}
 		}
@@ -155,9 +155,9 @@ public static URI getURI(Capability contentCapability) {
 				return ((URL) uriObj).toURI();
 			}
 
-			if (uriObj instanceof String) {
+			if (uriObj instanceof String uriStr) {
 				try {
-					URL url = new URL((String) uriObj);
+					URL url = new URI(uriStr).toURL();
 					return url.toURI();
 				} catch (MalformedURLException mfue) {
 					// Ignore

ui/org.eclipse.pde.bnd.ui/src/org/eclipse/pde/bnd/ui/views/resolution/ResolutionView.java

@@ -96,7 +96,6 @@
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Label;
@@ -250,7 +249,7 @@ public void createPartControl(Composite parent) {
 		reqsLayout.marginHeight = 0;
 		reqsLayout.verticalSpacing = 2;
 		reqsPanel.setLayout(reqsLayout);
-		Control reqsFilterPanel = reqsFilterPart.createControl(reqsPanel, 5, 5);
+		reqsFilterPart.createControl(reqsPanel, 5, 5);
 		reqsFilterPart.setHint(SEARCHSTRING_HINT);
 		reqsFilterPart.addPropertyChangeListener(event -> {
 			String filter = (String) event.getNewValue();
@@ -286,7 +285,7 @@ public void createPartControl(Composite parent) {
 		capsLayout.marginHeight = 0;
 		capsLayout.verticalSpacing = 2;
 		capsPanel.setLayout(capsLayout);
-		Control capsFilterPanel = capsFilterPart.createControl(capsPanel, 5, 5);
+		capsFilterPart.createControl(capsPanel, 5, 5);
 		capsFilterPart.setHint(SEARCHSTRING_HINT);
 		capsFilterPart.addPropertyChangeListener(event -> {
 			String filter = (String) event.getNewValue();