| /******************************************************************************* |
| * Copyright (c) 2016 EclipseSource Muenchen GmbH 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: |
| * Stefan Dirix - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.papyrus.compare.diagram.ide.ui.comparesource; |
| |
| import java.util.LinkedHashSet; |
| import java.util.Set; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IStorage; |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.IAdapterManager; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.emf.compare.ide.ui.source.IEMFComparisonSource; |
| import org.eclipse.emf.compare.ide.utils.StorageTraversal; |
| import org.eclipse.papyrus.infra.onefile.model.IPapyrusFile; |
| |
| /** |
| * The {@link IEMFComparisonSource} adapter for {@link IPapyrusFile}s. |
| * |
| * @author Stefan Dirix <sdirix@eclipsesource.com> |
| * @since 2.5 |
| */ |
| public class PapyrusFileEMFCompareSourceAdapter implements IEMFComparisonSource { |
| |
| /** |
| * The {@link IPapyrusFile} which is adapted. |
| */ |
| private final IPapyrusFile papyrusFile; |
| |
| /** |
| * Constructor. |
| * |
| * @param papyrusFile |
| * The {@link IPapyrusFile} which is adapted. Passing {@code null} is not allowed. |
| */ |
| public PapyrusFileEMFCompareSourceAdapter(IPapyrusFile papyrusFile) { |
| Assert.isNotNull(papyrusFile); |
| this.papyrusFile = papyrusFile; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getName() { |
| return papyrusFile.getName(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public StorageTraversal getStorageTraversal() { |
| IResource[] resources = papyrusFile.getAssociatedResources(); |
| Set<IStorage> storages = getStorages(resources); |
| return new StorageTraversal(storages); |
| } |
| |
| /** |
| * Adapts the given {@code resources} to {@link IStorage}. |
| * |
| * @param resources |
| * The array of resources which are to be adapted. |
| * @return A set of all adapted {@link IStorage}s. If resources can not be adapted the set will be empty. |
| */ |
| private Set<IStorage> getStorages(IResource[] resources) { |
| final Set<IStorage> storages = new LinkedHashSet<IStorage>(); |
| if (resources == null) { |
| return storages; |
| } |
| |
| final IAdapterManager adapterManager = Platform.getAdapterManager(); |
| for (IResource resource : resources) { |
| final IStorage storage = (IStorage)adapterManager.getAdapter(resource, IStorage.class); |
| if (storage != null) { |
| storages.add(storage); |
| } |
| } |
| return storages; |
| } |
| |
| } |