--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/carbidev/com.nokia.tools.variant.confml.core_2.0.0.v20090225_01-11/src/com/nokia/tools/variant/confml/internal/core/ModelManager.java	Thu Mar 11 18:39:02 2010 +0200
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of the License "Symbian Foundation License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
+ * 
+ * Initial Contributors:
+ * Nokia Corporation - Initial contribution
+ * 
+ * Contributors:
+ * 
+ * Description: This file is part of com.nokia.tools.variant.confml.core component.
+ */
+
+package com.nokia.tools.variant.confml.internal.core;
+
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.resource.ContentHandler;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.URIHandler;
+import org.eclipse.emf.ecore.resource.impl.ExtensibleURIConverterImpl;
+import org.eclipse.emf.ecore.resource.impl.PlatformResourceURIHandlerImpl;
+import org.eclipse.emf.ecore.resource.impl.ResourceImpl;
+import org.eclipse.emf.transaction.RecordingCommand;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+import org.eclipse.emf.transaction.TransactionalEditingDomain.Registry;
+
+import com.nokia.tools.variant.confml.core.ConfMLCore;
+import com.nokia.tools.variant.confml.core.model.application.EConfMLLayer;
+import com.nokia.tools.variant.confml.core.model.application.EConfigurationProject;
+import com.nokia.tools.variant.confml.core.model.core.EConfmlRootFactory;
+import com.nokia.tools.variant.confml.core.model.core.EWorkspaceModel;
+
+public class ModelManager {
+	static private ModelManager INSTANCE;
+
+	private TransactionalEditingDomain editingDomain;
+	private final Resource resource;
+	private final EWorkspaceModel workspaceModel;
+
+	public static synchronized ModelManager getModelManager() {
+		if (INSTANCE == null) {
+			INSTANCE = new ModelManager();
+		}
+		return INSTANCE;
+	}
+
+	private ModelManager() {
+		try {
+			resource = new ResourceImpl(URI.createURI("confml:///"));
+			workspaceModel = EConfmlRootFactory.eINSTANCE
+					.createEWorkspaceModel();
+			resource.getContents().add(workspaceModel);
+			editingDomain = Registry.INSTANCE
+					.getEditingDomain("com.nokia.tools.variant.confml.core.ConfMLModelDomain");
+			List<URIHandler> handlers = Collections
+					.singletonList((URIHandler) new PlatformResourceURIHandlerImpl());
+			editingDomain.getResourceSet()
+					.setURIConverter(
+							new ExtensibleURIConverterImpl(handlers,
+									ContentHandler.Registry.INSTANCE
+											.contentHandlers()));
+			editingDomain.getCommandStack().execute(
+					new RecordingCommand(editingDomain) {
+						@Override
+						protected void doExecute() {
+							editingDomain.getResourceSet().getResources().add(
+									resource);
+						}
+					});
+			editingDomain.getCommandStack().flush();
+		} catch (Exception ex) {
+			System.err.println("Error loading *************************");
+			ex.printStackTrace();
+			throw new RuntimeException(ex);
+		}
+	}
+
+	public TransactionalEditingDomain getEditingDomain() {
+		return editingDomain;
+	}
+
+	public EWorkspaceModel getWorkspaceModel() {
+		return workspaceModel;
+	}
+
+	/**
+	 * Simply find the project model from the root model
+	 * 
+	 * @param project
+	 *            Project to find corresponding project model for
+	 * @param monitor
+	 *            Progress monitor
+	 * @return Project model or <code>null</code>
+	 * @throws CoreException
+	 */
+	public EConfigurationProject getProjectModel(IProject project) {
+		return workspaceModel.getProjectMap().get(project.getName());
+	}
+
+	public Resource getResource() {
+		return resource;
+	}
+
+	public EConfMLLayer getLayer(IResource resource) {
+		if (resource instanceof IProject) {
+			EConfigurationProject cp = getProjectModel((IProject) resource);
+			return cp == null ? null : cp.getLastLayer();
+		}
+		EConfigurationProject project;
+		project = ConfMLCore.getProjectModel(resource.getProject());
+		if (project == null) {
+			return null;
+		}
+
+		IPath resourcePath = resource.getFullPath();
+		EConfMLLayer result = null;
+		IPath resultPath = Path.EMPTY;
+		
+		for (EConfMLLayer layer : project.getLayers()) {
+			URI layerURI = layer.getLayerURI();
+			IPath path = new Path(layerURI.toPlatformString(true));
+			if (path.matchingFirstSegments(resourcePath) == path.segmentCount()) {
+				if (resultPath.segmentCount() < path.segmentCount()) {
+					resultPath = path;
+					result = layer;
+				}
+			}
+		}
+		
+		return result;
+	}
+}