| /******************************************************************************* |
| * Copyright (c) 2010 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.internal.ui.javaeditor; |
| |
| import org.eclipse.core.runtime.Assert; |
| |
| import org.eclipse.jface.viewers.StructuredSelection; |
| |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.hyperlink.IHyperlink; |
| |
| import org.eclipse.jdt.core.IMethod; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| import org.eclipse.jdt.internal.corext.util.MethodOverrideTester; |
| import org.eclipse.jdt.internal.corext.util.SuperTypeHierarchyCache; |
| |
| import org.eclipse.jdt.ui.JavaElementLabels; |
| import org.eclipse.jdt.ui.actions.SelectionDispatchAction; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| |
| /** |
| * Java element super implementation hyperlink. |
| * |
| * @since 3.7 |
| */ |
| public class JavaElementSuperImplementationHyperlink implements IHyperlink { |
| |
| private final SelectionDispatchAction fOpenAction; |
| private final IMethod fMethod; |
| private final boolean fQualify; |
| private IRegion fRegion; |
| |
| /** |
| * Creates a new Java element super implementation hyperlink for methods. |
| * |
| * @param region the region of the link |
| * @param openAction the action to use to open the java elements |
| * @param method the method to open |
| * @param qualify <code>true</code> if the hyperlink text should show a qualified name for |
| * element |
| */ |
| public JavaElementSuperImplementationHyperlink(IRegion region, SelectionDispatchAction openAction, IMethod method, boolean qualify) { |
| Assert.isNotNull(openAction); |
| Assert.isNotNull(region); |
| Assert.isNotNull(method); |
| |
| fRegion= region; |
| fOpenAction= openAction; |
| fMethod= method; |
| fQualify= qualify; |
| } |
| |
| @Override |
| public IRegion getHyperlinkRegion() { |
| return fRegion; |
| } |
| |
| @Override |
| public String getTypeLabel() { |
| return null; |
| } |
| |
| @Override |
| public String getHyperlinkText() { |
| if (fQualify) { |
| String methodLabel= JavaElementLabels.getElementLabel(fMethod, JavaElementLabels.ALL_FULLY_QUALIFIED); |
| return Messages.format(JavaEditorMessages.JavaElementSuperImplementationHyperlink_hyperlinkText_qualified, new Object[] { methodLabel }); |
| } else { |
| return JavaEditorMessages.JavaElementSuperImplementationHyperlink_hyperlinkText; |
| } |
| } |
| |
| @Override |
| public void open() { |
| try { |
| IMethod method= findSuperImplementation(fMethod); |
| if (method != null) |
| fOpenAction.run(new StructuredSelection(method)); |
| } catch (JavaModelException e) { |
| JavaPlugin.log(e); |
| return; |
| } |
| } |
| |
| /** |
| * Finds the super implementation of the method. |
| * |
| * @param method the method |
| * @return the super implementation of the method if any or <code>null</code> |
| * @throws JavaModelException if an exception occurs while creating the type hierarchy to find |
| * the super implementation |
| */ |
| static IMethod findSuperImplementation(IMethod method) throws JavaModelException { |
| MethodOverrideTester tester= SuperTypeHierarchyCache.getMethodOverrideTester(method.getDeclaringType()); |
| return tester.findOverriddenMethod(method, false); |
| } |
| |
| } |