| /******************************************************************************* |
| * Copyright (c) 2007, 2019 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 |
| * Red Hat Inc. - modified to use UnimplementedCodeFixCore |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.fix; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| |
| import org.eclipse.text.edits.MultiTextEdit; |
| |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| |
| import org.eclipse.ui.PlatformUI; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.core.refactoring.NullChange; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.AbstractTypeDeclaration; |
| import org.eclipse.jdt.core.dom.AnonymousClassDeclaration; |
| import org.eclipse.jdt.core.dom.ClassInstanceCreation; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jdt.core.dom.EnumConstantDeclaration; |
| import org.eclipse.jdt.core.dom.TypeDeclaration; |
| import org.eclipse.jdt.core.refactoring.CompilationUnitChange; |
| |
| import org.eclipse.jdt.internal.core.manipulation.util.BasicElementLabels; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.jdt.ui.JavaUI; |
| import org.eclipse.jdt.ui.cleanup.ICleanUpFix; |
| import org.eclipse.jdt.ui.text.java.IProblemLocation; |
| |
| import org.eclipse.jdt.internal.ui.text.correction.CorrectionMessages; |
| |
| public class UnimplementedCodeFix extends CompilationUnitRewriteOperationsFix { |
| |
| public static ICleanUpFix createCleanUp(CompilationUnit root, boolean addMissingMethod, boolean makeTypeAbstract, IProblemLocation[] problems) { |
| Assert.isLegal(!addMissingMethod || !makeTypeAbstract); |
| if (!addMissingMethod && !makeTypeAbstract) |
| return null; |
| |
| if (problems.length == 0) |
| return null; |
| |
| ArrayList<CompilationUnitRewriteOperationsFixCore.CompilationUnitRewriteOperation> operations= new ArrayList<>(); |
| |
| for (IProblemLocation problem : problems) { |
| if (addMissingMethod) { |
| ASTNode typeNode= getSelectedTypeNode(root, problem); |
| if (typeNode != null && !isTypeBindingNull(typeNode)) { |
| operations.add(new AddUnimplementedMethodsOperation(typeNode)); |
| } |
| } else { |
| ASTNode typeNode= getSelectedTypeNode(root, problem); |
| if (typeNode instanceof TypeDeclaration) { |
| operations.add(new UnimplementedCodeFixCore.MakeTypeAbstractOperation((TypeDeclaration) typeNode)); |
| } |
| } |
| } |
| |
| if (operations.isEmpty()) |
| return null; |
| |
| String label; |
| if (addMissingMethod) { |
| label= CorrectionMessages.UnimplementedMethodsCorrectionProposal_description; |
| } else { |
| label= CorrectionMessages.UnimplementedCodeFix_MakeAbstractFix_label; |
| } |
| return new UnimplementedCodeFix(label, root, operations.toArray(new CompilationUnitRewriteOperationsFixCore.CompilationUnitRewriteOperation[operations.size()])); |
| } |
| |
| public static IProposableFix createAddUnimplementedMethodsFix(final CompilationUnit root, IProblemLocation problem) { |
| ASTNode typeNode= getSelectedTypeNode(root, problem); |
| if (typeNode == null) |
| return null; |
| |
| if (isTypeBindingNull(typeNode)) |
| return null; |
| |
| AddUnimplementedMethodsOperation operation= new AddUnimplementedMethodsOperation(typeNode); |
| if (operation.getMethodsToImplement().length > 0) { |
| return new UnimplementedCodeFix(CorrectionMessages.UnimplementedMethodsCorrectionProposal_description, root, |
| new CompilationUnitRewriteOperationsFixCore.CompilationUnitRewriteOperation[] { operation }); |
| } else { |
| return new IProposableFix() { |
| @Override |
| public CompilationUnitChange createChange(IProgressMonitor progressMonitor) throws CoreException { |
| CompilationUnitChange change= new CompilationUnitChange(CorrectionMessages.UnimplementedMethodsCorrectionProposal_description, (ICompilationUnit) root.getJavaElement()) { |
| @Override |
| public Change perform(IProgressMonitor pm) throws CoreException { |
| Shell shell= PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); |
| String dialogTitle= CorrectionMessages.UnimplementedMethodsCorrectionProposal_description; |
| IStatus status= getStatus(); |
| ErrorDialog.openError(shell, dialogTitle, CorrectionMessages.UnimplementedCodeFix_DependenciesErrorMessage, status); |
| |
| return new NullChange(); |
| } |
| }; |
| change.setEdit(new MultiTextEdit()); |
| return change; |
| } |
| |
| @Override |
| public String getAdditionalProposalInfo() { |
| return ""; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public String getDisplayString() { |
| return CorrectionMessages.UnimplementedMethodsCorrectionProposal_description; |
| } |
| |
| @Override |
| public IStatus getStatus() { |
| return new Status(IStatus.ERROR, JavaUI.ID_PLUGIN, CorrectionMessages.UnimplementedCodeFix_DependenciesStatusMessage); |
| } |
| }; |
| } |
| } |
| |
| public static UnimplementedCodeFix createMakeTypeAbstractFix(CompilationUnit root, IProblemLocation problem) { |
| ASTNode typeNode= getSelectedTypeNode(root, problem); |
| if (!(typeNode instanceof TypeDeclaration)) |
| return null; |
| |
| TypeDeclaration typeDeclaration= (TypeDeclaration) typeNode; |
| UnimplementedCodeFixCore.MakeTypeAbstractOperation operation= new UnimplementedCodeFixCore.MakeTypeAbstractOperation(typeDeclaration); |
| |
| String label= Messages.format(CorrectionMessages.ModifierCorrectionSubProcessor_addabstract_description, BasicElementLabels.getJavaElementName(typeDeclaration.getName().getIdentifier())); |
| return new UnimplementedCodeFix(label, root, new CompilationUnitRewriteOperationsFixCore.CompilationUnitRewriteOperation[] { operation }); |
| } |
| |
| public static ASTNode getSelectedTypeNode(CompilationUnit root, IProblemLocation problem) { |
| ASTNode selectedNode= problem.getCoveringNode(root); |
| if (selectedNode == null) |
| return null; |
| |
| if (selectedNode.getNodeType() == ASTNode.ANONYMOUS_CLASS_DECLARATION) { // bug 200016 |
| selectedNode= selectedNode.getParent(); |
| } |
| |
| if (selectedNode.getLocationInParent() == EnumConstantDeclaration.NAME_PROPERTY) { |
| selectedNode= selectedNode.getParent(); |
| } |
| if (selectedNode.getNodeType() == ASTNode.SIMPLE_NAME && selectedNode.getParent() instanceof AbstractTypeDeclaration) { |
| return selectedNode.getParent(); |
| } else if (selectedNode.getNodeType() == ASTNode.CLASS_INSTANCE_CREATION) { |
| return ((ClassInstanceCreation) selectedNode).getAnonymousClassDeclaration(); |
| } else if (selectedNode.getNodeType() == ASTNode.ENUM_CONSTANT_DECLARATION) { |
| EnumConstantDeclaration enumConst= (EnumConstantDeclaration) selectedNode; |
| if (enumConst.getAnonymousClassDeclaration() != null) |
| return enumConst.getAnonymousClassDeclaration(); |
| return enumConst; |
| } else { |
| return null; |
| } |
| } |
| |
| private static boolean isTypeBindingNull(ASTNode typeNode) { |
| if (typeNode instanceof AbstractTypeDeclaration) { |
| AbstractTypeDeclaration abstractTypeDeclaration= (AbstractTypeDeclaration) typeNode; |
| if (abstractTypeDeclaration.resolveBinding() == null) |
| return true; |
| |
| return false; |
| } else if (typeNode instanceof AnonymousClassDeclaration) { |
| AnonymousClassDeclaration anonymousClassDeclaration= (AnonymousClassDeclaration) typeNode; |
| if (anonymousClassDeclaration.resolveBinding() == null) |
| return true; |
| |
| return false; |
| } else if (typeNode instanceof EnumConstantDeclaration) { |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| public UnimplementedCodeFix(String name, CompilationUnit compilationUnit, CompilationUnitRewriteOperationsFixCore.CompilationUnitRewriteOperation[] fixRewriteOperations) { |
| super(name, compilationUnit, fixRewriteOperations); |
| } |
| } |