| /******************************************************************************* |
| * Copyright (c) 2013, 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.essentialocl.utilities; |
| |
| import org.eclipse.emf.common.EMFPlugin; |
| import org.eclipse.emf.ecore.resource.ContentHandler; |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.ocl.pivot.internal.resource.ASResourceFactory; |
| import org.eclipse.ocl.pivot.internal.resource.AbstractASResourceFactory; |
| import org.eclipse.ocl.pivot.resource.ASResource; |
| import org.eclipse.ocl.pivot.resource.NotXMLContentHandlerImpl; |
| import org.eclipse.ocl.pivot.utilities.PivotConstants; |
| |
| public class EssentialOCLASResourceFactory extends AbstractASResourceFactory |
| { |
| private static @Nullable EssentialOCLASResourceFactory INSTANCE = null; |
| |
| public static synchronized @NonNull EssentialOCLASResourceFactory getInstance() { |
| if (INSTANCE == null) { |
| // ASResourceFactoryContribution asResourceRegistry = ASResourceFactoryRegistry.INSTANCE.get(ASResource.ESSENTIALOCL_CONTENT_TYPE); |
| // if (asResourceRegistry != null) { |
| // INSTANCE = (EssentialOCLASResourceFactory) asResourceRegistry.getASResourceFactory(); // Create the registered singleton |
| // } |
| // else { |
| INSTANCE = new EssentialOCLASResourceFactory(); // Create our own singleton |
| // } |
| assert INSTANCE != null; |
| INSTANCE.install(PivotConstants.ESSENTIAL_OCL_FILE_EXTENSION, null); |
| } |
| assert INSTANCE != null; |
| return INSTANCE; |
| } |
| |
| static { |
| if (!EMFPlugin.IS_ECLIPSE_RUNNING) { |
| installContentHandler(ContentHandler.Registry.NORMAL_PRIORITY, |
| new NotXMLContentHandlerImpl(new @NonNull String[]{PivotConstants.ESSENTIAL_OCL_FILE_EXTENSION})); |
| } |
| } |
| |
| public EssentialOCLASResourceFactory() { |
| super(ASResource.ESSENTIALOCL_CONTENT_TYPE, null); |
| } |
| |
| @Override |
| public @NonNull ASResourceFactory getASResourceFactory() { |
| return getInstance(); |
| } |
| } |