| /******************************************************************************* |
| * Copyright (c) 2011, 2018 Willink Transformations and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v20.html |
| * |
| * Contributors: |
| * E.D.Willink - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ocl.xtext.base.cs2as; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.emf.common.notify.Adapter; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.ocl.pivot.Property; |
| |
| public class AmbiguitiesAdapter extends ExceptionAdapter |
| { |
| /** |
| * If ambiguities is non-null install an AmbiguitiesAdapter for them on eObject. |
| * Otherwise of null, remove any pre-existing AmbiguitiesAdapter on eObject. |
| */ |
| public static void setAmbiguities(@NonNull EObject eObject, @Nullable List<@NonNull ? extends EObject> ambiguities) { |
| List<Adapter> eAdapters = eObject.eAdapters(); |
| for (Adapter eAdapter : eAdapters) { |
| if (eAdapter instanceof AmbiguitiesAdapter) { |
| if (ambiguities == null) { |
| eAdapters.remove(eAdapter); |
| } |
| else { |
| ((AmbiguitiesAdapter)eAdapter).eObjects = ambiguities; |
| } |
| return; |
| } |
| } |
| if (ambiguities != null) { |
| eAdapters.add(new AmbiguitiesAdapter(ambiguities)); |
| } |
| } |
| |
| protected @NonNull List<@NonNull ? extends EObject> eObjects; |
| |
| protected AmbiguitiesAdapter(@NonNull List<@NonNull ? extends EObject> eObjects) { |
| super(null); |
| this.eObjects = new ArrayList<>(eObjects); |
| } |
| |
| @Override |
| public String getErrorMessage() { |
| return toString(); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder s = new StringBuilder(); |
| s.append("Ambiguous resolution:"); |
| for (EObject eObject : eObjects) { |
| s.append("\n\t"); |
| s.append(eObject.eClass().getName()); |
| s.append(" : "); |
| s.append(eObject); |
| if (eObject instanceof Property) { |
| Property asOpposite = ((Property)eObject).getOpposite(); |
| if (asOpposite != null) { |
| s.append(" # "); |
| s.append(asOpposite); |
| } |
| } |
| } |
| return s.toString(); |
| } |
| } |