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diff --git a/compare/bundles/org.eclipse.papyrus.compare.diagram.ide.ui/src/org/eclipse/papyrus/compare/diagram/ide/ui/comparesource/PapyrusFileEMFCompareSourceAdapter.java b/compare/bundles/org.eclipse.papyrus.compare.diagram.ide.ui/src/org/eclipse/papyrus/compare/diagram/ide/ui/comparesource/PapyrusFileEMFCompareSourceAdapter.java
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+++ b/compare/bundles/org.eclipse.papyrus.compare.diagram.ide.ui/src/org/eclipse/papyrus/compare/diagram/ide/ui/comparesource/PapyrusFileEMFCompareSourceAdapter.java
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+/*******************************************************************************
+ * 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;
+	}
+
+}