| /******************************************************************************* |
| * Copyright (c) 2007, 2010 BMW Car IT, Technische Universitaet Muenchen, 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: |
| * BMW Car IT - Initial API and implementation |
| * Technische Universitaet Muenchen - Major refactoring and extension |
| *******************************************************************************/ |
| package org.eclipse.emf.edapt.internal.migration.internal; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EPackage; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.ecore.resource.ResourceSet; |
| import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl; |
| import org.eclipse.emf.edapt.common.IResourceSetFactory; |
| import org.eclipse.emf.edapt.internal.common.ResourceUtils; |
| import org.eclipse.emf.edapt.spi.migration.Metamodel; |
| import org.eclipse.emf.edapt.spi.migration.MetamodelResource; |
| import org.eclipse.emf.edapt.spi.migration.MigrationFactory; |
| import org.eclipse.emf.edapt.spi.migration.Model; |
| |
| /** |
| * Helper class for loading and saving models. |
| * |
| * @author herrmama |
| * @author $Author$ |
| * @version $Rev$ |
| * @levd.rating YELLOW Hash: 7340771F1DE173BDAA2534B8901681B1 |
| */ |
| public class Persistency { |
| |
| /** Load metamodel based on {@link URI}. */ |
| public static Metamodel loadMetamodel(URI metamodelURI) throws IOException { |
| final ResourceSet resourceSet = ResourceUtils.loadResourceSet(metamodelURI); |
| |
| return loadMetamodel(resourceSet); |
| } |
| |
| /** Create metamodel from a {@link ResourceSet}. */ |
| public static Metamodel loadMetamodel(ResourceSet resourceSet) { |
| ResourceUtils.resolveAll(resourceSet); |
| final Metamodel metamodel = MigrationFactory.eINSTANCE.createMetamodel(); |
| for (final Resource resource : resourceSet.getResources()) { |
| final MetamodelResource metamodelResource = MigrationFactory.eINSTANCE |
| .createMetamodelResource(); |
| metamodelResource.setUri(resource.getURI()); |
| metamodel.getResources().add(metamodelResource); |
| for (final EObject element : resource.getContents()) { |
| if (element instanceof EPackage) { |
| final EPackage ePackage = (EPackage) element; |
| FactoryHelper.INSTANCE.overrideFactory(ePackage); |
| for (final EPackage sub : ePackage.getESubpackages()) { |
| FactoryHelper.INSTANCE.overrideFactory(sub); |
| } |
| metamodelResource.getRootPackages().add(ePackage); |
| } |
| } |
| } |
| |
| return metamodel; |
| } |
| |
| /** Load metamodel based on file name. */ |
| public static Metamodel loadMetamodel(String fileName) throws IOException { |
| return loadMetamodel(URI.createFileURI(fileName)); |
| } |
| |
| /** Save metamodel based on {@link URI}. */ |
| public static void saveMetamodel(Metamodel metamodel) throws IOException { |
| final ResourceSet resourceSet = new ResourceSetImpl(); |
| |
| for (final MetamodelResource metamodelResource : metamodel.getResources()) { |
| final Resource resource = resourceSet.createResource(metamodelResource |
| .getUri()); |
| resource.getContents().addAll(metamodelResource.getRootPackages()); |
| } |
| |
| ResourceUtils.saveResourceSet(resourceSet, null); |
| } |
| |
| /** Load model based on {@link URI} for model and metamodel. */ |
| public static Model loadModel(URI modelURI, URI metamodelURI, |
| IResourceSetFactory resourceSetFactory) throws IOException { |
| final Metamodel metamodel = loadMetamodel(metamodelURI); |
| final Model model = loadModel(modelURI, metamodel, resourceSetFactory); |
| return model; |
| } |
| |
| /** Load model based on {@link URI} and metamodel. */ |
| public static Model loadModel(URI modelURI, Metamodel metamodel, |
| IResourceSetFactory resourceSetFactory) throws IOException { |
| return loadModel(Collections.singletonList(modelURI), metamodel, |
| resourceSetFactory); |
| } |
| |
| /** Load model based on a set of {@link URI} and metamodel. */ |
| public static Model loadModel(List<URI> modelURIs, Metamodel metamodel, |
| IResourceSetFactory resourceSetFactory) throws IOException { |
| final ResourceSet resourceSet = ResourceUtils.loadResourceSet(modelURIs, |
| metamodel.getEPackages(), resourceSetFactory); |
| final ForwardConverter fConverter = new ForwardConverter(); |
| final Model model = fConverter.convert(resourceSet); |
| model.setMetamodel(metamodel); |
| return model; |
| } |
| |
| /** Load model based on file name and metamodel. */ |
| public static Model loadModel(String fileName, Metamodel metamodel, |
| IResourceSetFactory resourceSetFactory) throws IOException { |
| return loadModel(URI.createFileURI(fileName), metamodel, |
| resourceSetFactory); |
| } |
| |
| /** Save model based on {@link URI}. */ |
| public static void saveModel(Model model, Map<String, Object> options) throws IOException { |
| final BackwardConverter bConverter = new BackwardConverter(); |
| final ResourceSet resourceSet = bConverter.convert(model); |
| ResourceUtils.saveResourceSet(resourceSet, options); |
| } |
| } |