| /******************************************************************************* |
| * Copyright (c) 2017 Obeo. |
| * 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: |
| * Obeo - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.acceleo.aql.migration.converters.utils; |
| |
| import java.util.Collection; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.acceleo.query.ast.AstFactory; |
| import org.eclipse.acceleo.query.ast.CollectionTypeLiteral; |
| import org.eclipse.acceleo.query.ast.TypeLiteral; |
| import org.eclipse.emf.ecore.EClassifier; |
| import org.eclipse.emf.ecore.EcorePackage; |
| import org.eclipse.ocl.ecore.AnyType; |
| import org.eclipse.ocl.ecore.CollectionType; |
| import org.eclipse.ocl.ecore.PrimitiveType; |
| import org.eclipse.ocl.util.Bag; |
| |
| /** |
| * Type converter. |
| * |
| * @author <a href="mailto:william.piers@obeo.fr">William Piers</a> |
| */ |
| public final class TypeUtils { |
| |
| private TypeUtils() { |
| } |
| |
| /** |
| * Tells if the given {@link EClassifier} is OclAny or contains an OclAny. |
| * |
| * @param type |
| * the {@link EClassifier} |
| * @return <code>true</code> if the given {@link EClassifier} is OclAny or contains an OclAny, |
| * <code>false</code> otherwise |
| */ |
| public static boolean containsOclAny(EClassifier type) { |
| boolean res; |
| |
| if (type instanceof AnyType) { |
| res = true; |
| } else if (type instanceof CollectionType) { |
| res = containsOclAny(((CollectionType)type).getElementType()); |
| } else { |
| res = false; |
| } |
| |
| return res; |
| } |
| |
| /** |
| * Creates a type literal from the input type. |
| * |
| * @param inputType |
| * the A3 type |
| * @return the A4 type literal |
| */ |
| public static TypeLiteral createTypeLiteral(EClassifier inputType) { |
| TypeLiteral typeLiteral = null; |
| if (inputType instanceof CollectionType) { |
| typeLiteral = AstFactory.eINSTANCE.createCollectionTypeLiteral(); |
| Class<?> instanceClass = ((CollectionType)inputType).getInstanceClass(); |
| if (instanceClass.equals(LinkedHashSet.class)) { |
| instanceClass = Set.class; |
| } else if (instanceClass.equals(Collection.class)) { |
| // TODO it might be better to have an actual Collection type here |
| instanceClass = List.class; |
| } else if (instanceClass.equals(Bag.class)) { |
| instanceClass = List.class; |
| } |
| ((CollectionTypeLiteral)typeLiteral).setValue(instanceClass); |
| ((CollectionTypeLiteral)typeLiteral).setElementType(createTypeLiteral(((CollectionType)inputType) |
| .getElementType())); |
| } else if (inputType instanceof PrimitiveType) { |
| typeLiteral = AstFactory.eINSTANCE.createTypeLiteral(); |
| typeLiteral.setValue(inputType.getInstanceClass()); |
| } else if (inputType instanceof AnyType) { |
| typeLiteral = AstFactory.eINSTANCE.createTypeLiteral(); |
| typeLiteral.setValue(EcorePackage.eINSTANCE.getEObject()); |
| } else { |
| typeLiteral = AstFactory.eINSTANCE.createTypeLiteral(); |
| typeLiteral.setValue(inputType); |
| } |
| return typeLiteral; |
| } |
| } |