| /******************************************************************************* |
| * Copyright (c) 2013 RCP Vision (http://www.rcp-vision.com) 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: |
| * Lorenzo Bettini - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.emf.parsley.ecore; |
| |
| |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EClassifier; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.parsley.EmfParsleyActivator; |
| |
| /** |
| * @author Lorenzo Bettini |
| * |
| */ |
| public class FeatureResolver { |
| |
| public List<EStructuralFeature> getFeatures(EClass eClass, |
| List<FeatureNamePath> paths) { |
| List<EStructuralFeature> features = new LinkedList<EStructuralFeature>(); |
| collectFeatures(eClass, paths, features); |
| return features; |
| } |
| |
| protected void collectFeatures(EClass eClass, List<FeatureNamePath> paths, |
| List<EStructuralFeature> features) { |
| for (FeatureNamePath path : paths) { |
| EStructuralFeature feature = getFeature(eClass, path.getFeatureName()); |
| if (feature == null) { |
| // the error has already been logged by getFeature |
| continue; |
| } |
| |
| if (path.getPaths() == null) { |
| features.add(feature); |
| } else { |
| EClassifier type = feature.getEType(); |
| if (type instanceof EClass) { |
| EClass eC = (EClass) type; |
| // recursive call |
| collectFeatures(eC, path.getPaths(), features); |
| } else { |
| EmfParsleyActivator.logError("feature '" |
| + feature.getName() + "' in EClass '" + getEClassDescription(eClass) + "'" + |
| " is not an EClass."); |
| } |
| } |
| } |
| } |
| |
| public EStructuralFeature getFeature(EClass eClass, String featureName) { |
| EStructuralFeature feature = eClass.getEStructuralFeature(featureName); |
| if (feature != null) { |
| return feature; |
| } |
| |
| // try to search for the feature ignoring the case |
| // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=421998 |
| for (EStructuralFeature f : eClass.getEAllStructuralFeatures()) { |
| if (f.getName().equalsIgnoreCase(featureName)) { |
| return f; |
| } |
| } |
| |
| EmfParsleyActivator.logError("cannot find feature '" |
| + featureName + "' in EClass '" + getEClassDescription(eClass) + "'"); |
| return null; |
| } |
| |
| protected String getEClassDescription(EClass eClass) { |
| return eClass.getName() + " (" + eClass.getInstanceClassName() + ")"; |
| } |
| |
| } |