| /******************************************************************************* |
| * Copyright (c) 2019 itemis AG. |
| * |
| * 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: |
| * Karsten Thoms <karsten.thoms@itemis.de> - Initial implementation and API |
| ******************************************************************************/ |
| package org.eclipse.e4.emf.internal.xpath.helper; |
| |
| import org.apache.commons.jxpath.DynamicPropertyHandler; |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| |
| /** |
| * A dynamic property handler for EMF classes. |
| * |
| * @author Karsten Thoms <karsten.thoms@itemis.de> |
| */ |
| public class EDynamicPropertyHandler implements DynamicPropertyHandler { |
| @Override |
| public String[] getPropertyNames(Object object) { |
| Assert.isLegal(object instanceof EObject); |
| EClass eClass = ((EObject) object).eClass(); |
| String[] propNames = eClass.getEAllStructuralFeatures().stream().map(f -> f.getName()).toArray(String[]::new); |
| return propNames; |
| } |
| |
| @Override |
| public Object getProperty(Object object, String propertyName) { |
| Assert.isLegal(object instanceof EObject); |
| EObject eObject = (EObject) object; |
| EStructuralFeature feature = eObject.eClass().getEStructuralFeature(propertyName); |
| return feature != null ? eObject.eGet(feature) : null; |
| } |
| |
| @Override |
| public void setProperty(Object object, String propertyName, Object value) { |
| Assert.isLegal(object instanceof EObject); |
| EObject eObject = (EObject) object; |
| EStructuralFeature feature = eObject.eClass().getEStructuralFeature(propertyName); |
| if (feature != null) { |
| eObject.eSet(feature, value); |
| } |
| } |
| } |