| /******************************************************************************* |
| * Copyright (c) 2000, 2017 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.text.correction.proposals; |
| |
| import java.util.List; |
| |
| import org.eclipse.swt.graphics.Image; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.jface.text.IDocument; |
| |
| import org.eclipse.ui.IEditorPart; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IModuleDescription; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.dom.SimpleName; |
| import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; |
| import org.eclipse.jdt.core.search.IJavaSearchConstants; |
| |
| import org.eclipse.jdt.internal.corext.util.JavaModelUtil; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| import org.eclipse.jdt.internal.corext.util.QualifiedTypeNameHistory; |
| |
| import org.eclipse.jdt.ui.text.java.correction.ASTRewriteCorrectionProposal; |
| |
| import org.eclipse.jdt.internal.ui.text.correction.CorrectionMessages; |
| |
| public class AddImportCorrectionProposal extends ASTRewriteCorrectionProposal { |
| |
| private final String fTypeName; |
| private final String fQualifierName; |
| |
| private static String JAVA_BASE= "java.base"; //$NON-NLS-1$ |
| |
| protected AddModuleRequiresCorrectionProposal fAdditionalProposal= null; |
| |
| public AddImportCorrectionProposal(String name, ICompilationUnit cu, int relevance, Image image, String qualifierName, String typeName, SimpleName node) { |
| super(name, cu, ASTRewrite.create(node.getAST()), relevance, image); |
| fTypeName= typeName; |
| fQualifierName= qualifierName; |
| fAdditionalProposal= getAdditionalChangeCorrectionProposal(); |
| } |
| |
| public String getQualifiedTypeName() { |
| return fQualifierName + '.' + fTypeName; |
| } |
| |
| public AddModuleRequiresCorrectionProposal getAdditionalProposal() { |
| return fAdditionalProposal; |
| } |
| |
| @Override |
| protected void performChange(IEditorPart activeEditor, IDocument document) throws CoreException { |
| super.performChange(activeEditor, document); |
| rememberSelection(); |
| } |
| |
| private void rememberSelection() { |
| QualifiedTypeNameHistory.remember(getQualifiedTypeName()); |
| } |
| |
| private AddModuleRequiresCorrectionProposal getAdditionalChangeCorrectionProposal() { |
| ICompilationUnit cu= getCompilationUnit(); |
| AddModuleRequiresCorrectionProposal additionalChangeCorrectionProposal= null; |
| IJavaProject currentJavaProject= cu.getJavaProject(); |
| if (currentJavaProject == null || !JavaModelUtil.is9OrHigher(currentJavaProject)) { |
| return null; |
| } |
| IModuleDescription currentModuleDescription= null; |
| try { |
| currentModuleDescription= currentJavaProject.getModuleDescription(); |
| } catch (JavaModelException e1) { |
| //DO NOTHING |
| } |
| if (currentModuleDescription == null) { |
| return null; |
| } |
| ICompilationUnit currentModuleCompilationUnit= currentModuleDescription.getCompilationUnit(); |
| if (currentModuleCompilationUnit == null || !currentModuleCompilationUnit.exists()) { |
| return null; |
| } |
| |
| String qualifiedName= getQualifiedTypeName(); |
| List<IPackageFragment> packageFragments= AddModuleRequiresCorrectionProposal.getPackageFragmentsOfMatchingTypes(qualifiedName, IJavaSearchConstants.TYPE, currentJavaProject); |
| IPackageFragment enclosingPackage= null; |
| if (packageFragments.size() == 1) { |
| enclosingPackage= packageFragments.get(0); |
| } |
| if (enclosingPackage != null) { |
| IModuleDescription projectModule= null; |
| if (enclosingPackage.isReadOnly()) { |
| IPackageFragmentRoot root= (IPackageFragmentRoot) enclosingPackage.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT); |
| if (root != null) { |
| projectModule= root.getModuleDescription(); |
| } |
| } else { |
| IJavaProject project= enclosingPackage.getJavaProject(); |
| if (project != null && JavaModelUtil.is9OrHigher(project)) { |
| try { |
| projectModule= project.getModuleDescription(); |
| } catch (JavaModelException e) { |
| //DO NOTHING |
| } |
| } |
| } |
| if (projectModule != null && projectModule.exists() && !projectModule.equals(currentModuleDescription) && !JAVA_BASE.equals(projectModule.getElementName())) { |
| String moduleName= projectModule.getElementName(); |
| String[] args= { moduleName }; |
| final String changeName= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_add_requires_module_info, args); |
| final String changeDescription= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_add_requires_module_description, args); |
| additionalChangeCorrectionProposal= new AddModuleRequiresCorrectionProposal(moduleName, changeName, changeDescription, currentModuleCompilationUnit, getRelevance()); |
| } |
| } |
| return additionalChangeCorrectionProposal; |
| } |
| |
| } |