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diff --git a/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/navigator/JavaNavigatorActionProvider.java b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/navigator/JavaNavigatorActionProvider.java
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@@ -0,0 +1,128 @@
+/*******************************************************************************
+ * Copyright (c) 2003, 2011 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.internal.ui.navigator;
+
+import org.eclipse.jface.action.IMenuManager;
+
+import org.eclipse.ui.IActionBars;
+import org.eclipse.ui.IViewPart;
+import org.eclipse.ui.actions.ActionContext;
+import org.eclipse.ui.navigator.CommonActionProvider;
+import org.eclipse.ui.navigator.ICommonActionExtensionSite;
+import org.eclipse.ui.navigator.ICommonViewerWorkbenchSite;
+
+import org.eclipse.jdt.ui.actions.CCPActionGroup;
+import org.eclipse.jdt.ui.actions.GenerateActionGroup;
+import org.eclipse.jdt.ui.actions.JavaSearchActionGroup;
+import org.eclipse.jdt.ui.actions.OpenViewActionGroup;
+
+import org.eclipse.jdt.internal.ui.wizards.buildpaths.newsourcepage.GenerateBuildPathActionGroup;
+
+/**
+ * Contributes the following actions to the menu on behalf of the JDT content
+ * extension.
+ *
+ * <ul>
+ * <li>{@link OpenViewActionGroup}. Contributes the Open View actions (type
+ * hierarchy, call hierarchy, etc).</li>
+ * <li>{@link CCPActionGroup}. Contributes the Cut/Copy/Paste/Delete.</li>
+ * <li>{@link JavaSearchActionGroup}. Contributes the search functionality (find in workspace, project, etc).</li>
+ * <li>{@link GenerateBuildPathActionGroup}. Contributes the "Build Path>" convenience submenu option.</li>
+ * <li>{@link GenerateActionGroup}. Contributes the "Source>" and "Generate>" submenu .</li>
+ * </ul>
+ */
+public class JavaNavigatorActionProvider extends CommonActionProvider {
+
+	private OpenViewActionGroup fOpenViewGroup;
+
+	private CCPActionGroup fCCPGroup;
+
+	private JavaSearchActionGroup fSearchGroup;
+
+	private GenerateBuildPathActionGroup fBuildPathGroup;
+
+	private GenerateActionGroup fGenerateGroup;
+
+	private boolean fInViewPart= false;
+
+	@Override
+	public void fillActionBars(IActionBars actionBars) {
+		if (fInViewPart) {
+			fOpenViewGroup.fillActionBars(actionBars);
+			fCCPGroup.fillActionBars(actionBars);
+			fBuildPathGroup.fillActionBars(actionBars);
+			fGenerateGroup.fillActionBars(actionBars);
+			fSearchGroup.fillActionBars(actionBars);
+		}
+	}
+
+	@Override
+	public void fillContextMenu(IMenuManager menu) {
+		if (fInViewPart) {
+			fOpenViewGroup.fillContextMenu(menu);
+			fCCPGroup.fillContextMenu(menu);
+			fBuildPathGroup.fillContextMenu(menu);
+			fGenerateGroup.fillContextMenu(menu);
+			fSearchGroup.fillContextMenu(menu);
+		}
+	}
+
+	@Override
+	public void init(ICommonActionExtensionSite site) {
+
+		ICommonViewerWorkbenchSite workbenchSite= null;
+		if (site.getViewSite() instanceof ICommonViewerWorkbenchSite)
+			workbenchSite= (ICommonViewerWorkbenchSite) site.getViewSite();
+
+		if (workbenchSite != null) {
+			if (workbenchSite.getPart() != null && workbenchSite.getPart() instanceof IViewPart) {
+				IViewPart viewPart= (IViewPart) workbenchSite.getPart();
+
+				fOpenViewGroup= new OpenViewActionGroup(viewPart, site.getStructuredViewer());
+				fOpenViewGroup.containsOpenPropertiesAction(false);
+				fCCPGroup= new CCPActionGroup(viewPart);
+				fGenerateGroup= new GenerateActionGroup(viewPart);
+				fSearchGroup= new JavaSearchActionGroup(viewPart);
+				fBuildPathGroup= new GenerateBuildPathActionGroup(viewPart);
+
+				fInViewPart= true;
+			}
+		}
+	}
+
+	@Override
+	public void setContext(ActionContext context) {
+		super.setContext(context);
+		if (fInViewPart) {
+			fOpenViewGroup.setContext(context);
+			fCCPGroup.setContext(context);
+			fGenerateGroup.setContext(context);
+			fSearchGroup.setContext(context);
+			fBuildPathGroup.setContext(context);
+		}
+	}
+
+	/*
+	 * @see org.eclipse.ui.actions.ActionGroup#dispose()
+	 * @since 3.5
+	 */
+	@Override
+	public void dispose() {
+		if (fInViewPart) {
+			fOpenViewGroup.dispose();
+			fCCPGroup.dispose();
+			fSearchGroup.dispose();
+			fBuildPathGroup.dispose();
+			fGenerateGroup.dispose();
+		}
+		super.dispose();
+	}
+}