Use lambdas where possibleI20191222-1800I20191221-2205I20191221-1800I20191220-1805

Using the batch cleanup operation via Source -> Cleanup -> "Use lambdas
where possible" from standard JDT.

Change-Id: I93fa87e9eea2894832ce3b7b456adbca4a41ca48
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>

4 files changed, 23 insertions, 40 deletions

diff --git a/org.eclipse.help.ui/src/org/eclipse/help/ui/internal/views/SearchPart.java b/org.eclipse.help.ui/src/org/eclipse/help/ui/internal/views/SearchPart.java
index 0058a341a..aea27da76 100644
--- a/org.eclipse.help.ui/src/org/eclipse/help/ui/internal/views/SearchPart.java
+++ b/org.eclipse.help.ui/src/org/eclipse/help/ui/internal/views/SearchPart.java
@@ -421,23 +421,19 @@ public class SearchPart extends AbstractFormPart implements IHelpPart, IHelpUICo
 			EngineDescriptor desc = descriptors[i];
 			loadEngine(desc, container, toolkit);
 		}
-		engineObserver = new Observer() {
-
-			@Override
-			public void update(Observable o, Object arg) {
-				EngineDescriptorManager.DescriptorEvent event = (EngineDescriptorManager.DescriptorEvent) arg;
-				int kind = event.getKind();
-				EngineDescriptor desc = event.getDescriptor();
-				if (kind == IHelpUIConstants.ADD) {
-					advancedLink.dispose();
-					loadEngine(desc, container, toolkit);
-					createAdvancedLink(container, toolkit);
-					parent.reflow();
-				} else if (kind == IHelpUIConstants.REMOVE) {
-					removeEngine(desc);
-				} else {
-					updateEngine(desc);
-				}
+		engineObserver = (o, arg) -> {
+			EngineDescriptorManager.DescriptorEvent event = (EngineDescriptorManager.DescriptorEvent) arg;
+			int kind = event.getKind();
+			EngineDescriptor desc = event.getDescriptor();
+			if (kind == IHelpUIConstants.ADD) {
+				advancedLink.dispose();
+				loadEngine(desc, container, toolkit);
+				createAdvancedLink(container, toolkit);
+				parent.reflow();
+			} else if (kind == IHelpUIConstants.REMOVE) {
+				removeEngine(desc);
+			} else {
+				updateEngine(desc);
 			}
 		};
 
diff --git a/org.eclipse.ua.tests/cheatsheet/org/eclipse/ua/tests/cheatsheet/util/NavigateAction.java b/org.eclipse.ua.tests/cheatsheet/org/eclipse/ua/tests/cheatsheet/util/NavigateAction.java
index 4746eb1b3..852f388e6 100644
--- a/org.eclipse.ua.tests/cheatsheet/org/eclipse/ua/tests/cheatsheet/util/NavigateAction.java
+++ b/org.eclipse.ua.tests/cheatsheet/org/eclipse/ua/tests/cheatsheet/util/NavigateAction.java
@@ -24,12 +24,9 @@ public class NavigateAction extends Action implements ICheatSheetAction {
 	private static void go(String newSheet) {
 		final String finalNewSheet = newSheet;
 		try {
-			Display.getCurrent().asyncExec( new Runnable() {
-				@Override
-				public void run() {
-					OpenCheatSheetAction csAction = new OpenCheatSheetAction( finalNewSheet );
-					csAction.run();
-				}
+			Display.getCurrent().asyncExec( () -> {
+				OpenCheatSheetAction csAction = new OpenCheatSheetAction( finalNewSheet );
+				csAction.run();
 			} );
 		}
 		catch(Exception ex) {
diff --git a/org.eclipse.ua.tests/intro/org/eclipse/ua/tests/intro/util/IntroModelSerializerTest.java b/org.eclipse.ua.tests/intro/org/eclipse/ua/tests/intro/util/IntroModelSerializerTest.java
index 8a874a28e..e3567437a 100644
--- a/org.eclipse.ua.tests/intro/org/eclipse/ua/tests/intro/util/IntroModelSerializerTest.java
+++ b/org.eclipse.ua.tests/intro/org/eclipse/ua/tests/intro/util/IntroModelSerializerTest.java
@@ -34,8 +34,6 @@ import org.eclipse.ui.internal.intro.impl.model.IntroModelRoot;
 import org.eclipse.ui.internal.intro.impl.model.IntroPage;
 import org.eclipse.ui.internal.intro.impl.model.loader.ExtensionPointManager;
 import org.eclipse.ui.internal.intro.impl.presentations.BrowserIntroPartImplementation;
-import org.eclipse.ui.intro.config.IIntroContentProvider;
-import org.eclipse.ui.intro.config.IIntroContentProviderSite;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -134,11 +132,8 @@ public class IntroModelSerializerTest {
 		while (iter.hasNext()) {
 			AbstractIntroPage page = iter.next();
 			BrowserIntroPartImplementation impl = new BrowserIntroPartImplementation();
-			String xhtml = impl.generateXHTMLPage(page, new IIntroContentProviderSite() {
-				@Override
-				public void reflow(IIntroContentProvider provider, boolean incremental) {
-					// dummy site
-				}
+			String xhtml = impl.generateXHTMLPage(page, (provider, incremental) -> {
+				// dummy site
 			});
 			xhtml = XHTMLUtil.removeEnvironmentSpecificContent(xhtml);
 			// filter windows-specific newline
diff --git a/org.eclipse.ui.cheatsheets/src/org/eclipse/ui/internal/cheatsheets/composite/views/CompositeCheatSheetPage.java b/org.eclipse.ui.cheatsheets/src/org/eclipse/ui/internal/cheatsheets/composite/views/CompositeCheatSheetPage.java
index fadd60d20..f2ad22591 100644
--- a/org.eclipse.ui.cheatsheets/src/org/eclipse/ui/internal/cheatsheets/composite/views/CompositeCheatSheetPage.java
+++ b/org.eclipse.ui.cheatsheets/src/org/eclipse/ui/internal/cheatsheets/composite/views/CompositeCheatSheetPage.java
@@ -16,8 +16,6 @@ package org.eclipse.ui.internal.cheatsheets.composite.views;
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Observable;
-import java.util.Observer;
 
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
@@ -205,14 +203,11 @@ public class CompositeCheatSheetPage extends Page implements ISelectionChangedLi
 		} else {
 			updateSelectedTask(model.getRootTask());
 		}
-		model.addObserver(new Observer() {
-			@Override
-			public void update(Observable o, Object arg) {
-				ICompositeCheatSheetTask task = (ICompositeCheatSheetTask)arg;
-				if (currentExplorer!=null)
-					currentExplorer.taskUpdated(task);
-				updateTask(task);
-			}
+		model.addObserver((o, arg) -> {
+			ICompositeCheatSheetTask task = (ICompositeCheatSheetTask)arg;
+			if (currentExplorer!=null)
+				currentExplorer.taskUpdated(task);
+			updateTask(task);
 		});
 	}