| /******************************************************************************* |
| * Copyright (c) 2009 The University of York. |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * Contributors: |
| * Louis Rose - initial API and implementation |
| ****************************************************************************** |
| * |
| * $Id$ |
| */ |
| package org.eclipse.epsilon.emc.emf; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.emf.ecore.EPackage; |
| import org.eclipse.epsilon.eol.exceptions.models.EolModelLoadingException; |
| |
| public final class EmfModelFactory { |
| |
| private static final EmfModelFactory instance = new EmfModelFactory(); |
| |
| private EmfModelFactory() {} |
| |
| public static EmfModelFactory getInstance() { |
| return instance; |
| } |
| |
| /** |
| * The metamodel parameter can be of type EPackage, File or URI. Any other |
| * type will cause an IllegalArgumentException to be raised. |
| */ |
| public EmfModel createEmfModel(String name, File model, Object metamodel) { |
| final EmfModel emfModel = createEmfModel(name, model); |
| if (metamodel instanceof String) { |
| emfModel.setMetamodelUri((String) metamodel); |
| } |
| else if (metamodel instanceof EPackage) { |
| emfModel.setMetamodelUri(((EPackage)metamodel).getNsURI()); |
| } |
| else if (metamodel instanceof EPackage[]) { |
| EPackage[] arr = (EPackage[]) metamodel; |
| final List<String> nsUris = new ArrayList<>(arr.length); |
| for (EPackage p : arr) { |
| nsUris.add(p.getNsURI()); |
| } |
| emfModel.setMetamodelUris(nsUris); |
| } |
| else if (metamodel instanceof File) { |
| emfModel.setMetamodelFile(((File)metamodel).getAbsolutePath()); |
| } |
| else if (metamodel instanceof File[]) { |
| File[] arr = (File[]) metamodel; |
| final List<String> files = new ArrayList<>(arr.length); |
| for (File f : arr) { |
| files.add(f.getAbsolutePath()); |
| } |
| emfModel.setMetamodelFiles(files); |
| } |
| else if (metamodel instanceof URI) { |
| emfModel.setMetamodelFileUri((URI)metamodel); |
| } |
| else { |
| throw new IllegalArgumentException("Not a recognised metamodel type: " + metamodel.getClass().getCanonicalName()); |
| } |
| return emfModel; |
| } |
| |
| |
| /** |
| * The metamodel parameter can be of type EPackage, File or URI. Any other |
| * type will cause an IllegalArgumentException to be raised. |
| */ |
| public EmfModel createEmfModel(String name, File model, Object metamodel, AccessMode accessMode) { |
| final EmfModel emfModel = createEmfModel(name, model, metamodel); |
| accessMode.applyTo(emfModel); |
| return emfModel; |
| } |
| |
| |
| /** |
| * The metamodel parameter can be of type EPackage, File or URI. Any other |
| * type will cause an IllegalArgumentException to be raised. |
| */ |
| public EmfModel loadEmfModel(String name, File model, Object metamodel) throws EolModelLoadingException { |
| final EmfModel emfModel = createEmfModel(name, model, metamodel); |
| emfModel.load(); |
| return emfModel; |
| } |
| |
| /** |
| * The metamodel parameter can be of type EPackage, File or URI. Any other |
| * type will cause an IllegalArgumentException to be raised. |
| */ |
| public EmfModel loadEmfModel(String name, File model, Object metamodel, AccessMode accessMode) throws EolModelLoadingException { |
| final EmfModel emfModel = createEmfModel(name, model, metamodel, accessMode); |
| emfModel.load(); |
| return emfModel; |
| } |
| |
| private EmfModel createEmfModel(String name, File model) { |
| final EmfModel emfModel = new EmfModel(); |
| emfModel.setName(name); |
| emfModel.setModelFile(model.getAbsolutePath()); |
| return emfModel; |
| } |
| |
| public enum AccessMode { |
| READ_ONLY (true, false), |
| WRITE_ONLY(false, true), |
| READ_WRITE(true, true); |
| |
| private final boolean readOnLoad, storedOnDisposal; |
| |
| private AccessMode(boolean readOnLoad, boolean storedOnDisposal) { |
| this.readOnLoad = readOnLoad; |
| this.storedOnDisposal = storedOnDisposal; |
| } |
| |
| public void applyTo(EmfModel model) { |
| model.setReadOnLoad(readOnLoad); |
| model.setStoredOnDisposal(storedOnDisposal); |
| } |
| } |
| } |