WIP debug renderer & reportingreportService-feature

43 files changed, 2381 insertions, 588 deletions

diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/META-INF/MANIFEST.MF b/bundles/org.eclipse.emf.ecp.ui.view.swt/META-INF/MANIFEST.MF
index 8342c076dc..35dd112d76 100644
--- a/bundles/org.eclipse.emf.ecp.ui.view.swt/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/META-INF/MANIFEST.MF
@@ -14,10 +14,11 @@ Require-Bundle: org.eclipse.core.runtime;bundle-version="[3.5.0,4.0.0)",
  org.eclipse.emf.ecp.view.model.common;bundle-version="[1.4.0,2.0.0)";visibility:=reexport
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Bundle-ActivationPolicy: lazy
-Export-Package: org.eclipse.emf.ecp.ui.view.swt;version="1.5.0",org.ec
- lipse.emf.ecp.view.internal.swt;version="1.5.0";x-friends:="org.eclip
- se.emf.ecp.view.table.ui.swt.test",org.eclipse.emf.ecp.view.spi.swt;v
- ersion="1.5.0",org.eclipse.emf.ecp.view.spi.swt.layout;version="1.5.0"
+Export-Package: org.eclipse.emf.ecp.ui.view.swt;version="1.5.0",
+ org.eclipse.emf.ecp.view.internal.swt;version="1.5.0";x-friends:="org.eclipse.emf.ecp.view.table.ui.swt.test,org.eclipse.emf.ecp.view.context.test",
+ org.eclipse.emf.ecp.view.spi.swt;version="1.5.0",
+ org.eclipse.emf.ecp.view.spi.swt.layout;version="1.5.0",
+ org.eclipse.emf.ecp.view.spi.swt.reporting;version="1.5.0"
 Import-Package: org.eclipse.core.commands;version="0.0.0",
  org.eclipse.jface;version="0.0.0",
  org.eclipse.jface.action;version="0.0.0",
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/Activator.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/Activator.java
index 8578a2e963..8456ae903e 100644
--- a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/Activator.java
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/Activator.java
@@ -14,7 +14,9 @@ package org.eclipse.emf.ecp.view.internal.swt;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Plugin;
 import org.eclipse.core.runtime.Status;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService;
 import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
 
 /**
  * The activator class controls the plug-in life cycle.
@@ -73,4 +75,17 @@ public class Activator extends Plugin {
 			new Status(IStatus.ERROR, Activator.getDefault().getBundle().getSymbolicName(), e
 				.getMessage(), e));
 	}
+
+	/**
+	 * Returns the {@link ReportService}.
+	 * 
+	 * @return the {@link ReportService}
+	 */
+	public ReportService getReportService() {
+		final BundleContext bundleContext = getBundle().getBundleContext();
+		final ServiceReference<ReportService> serviceReference =
+			bundleContext.getServiceReference(ReportService.class);
+		return bundleContext.getService(serviceReference);
+	}
+
 }
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/DebugViewModelService.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/DebugViewModelService.java
deleted file mode 100644
index f051e500fd..0000000000
--- a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/DebugViewModelService.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2011-2014 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:
- * Eugen - initial API and implementation
- ******************************************************************************/
-package org.eclipse.emf.ecp.view.internal.swt;
-
-import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
-import org.eclipse.emf.ecp.view.spi.context.ViewModelService;
-
-/**
- * @author Eugen
- * 
- */
-public class DebugViewModelService implements ViewModelService {
-
-	/**
-	 * {@inheritDoc}
-	 * 
-	 * @see org.eclipse.emf.ecp.view.spi.context.ViewModelService#instantiate(org.eclipse.emf.ecp.view.spi.context.ViewModelContext)
-	 */
-	@Override
-	public void instantiate(ViewModelContext context) {
-		// TODO Auto-generated method stub
-
-	}
-
-	/**
-	 * {@inheritDoc}
-	 * 
-	 * @see org.eclipse.emf.ecp.view.spi.context.ViewModelService#dispose()
-	 */
-	@Override
-	public void dispose() {
-		// TODO Auto-generated method stub
-
-	}
-
-	/**
-	 * {@inheritDoc}
-	 * 
-	 * @see org.eclipse.emf.ecp.view.spi.context.ViewModelService#getPriority()
-	 */
-	@Override
-	public int getPriority() {
-		return 1000;
-	}
-
-}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/ECPSWTViewRendererImpl.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/ECPSWTViewRendererImpl.java
index 31f7aed326..c01b920877 100644
--- a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/ECPSWTViewRendererImpl.java
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/ECPSWTViewRendererImpl.java
@@ -17,15 +17,20 @@ import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecp.ui.view.ECPRendererException;
 import org.eclipse.emf.ecp.ui.view.swt.ECPSWTView;
 import org.eclipse.emf.ecp.ui.view.swt.ECPSWTViewRenderer;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService;
 import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
 import org.eclipse.emf.ecp.view.spi.context.ViewModelContextFactory;
 import org.eclipse.emf.ecp.view.spi.model.VElement;
 import org.eclipse.emf.ecp.view.spi.model.VView;
 import org.eclipse.emf.ecp.view.spi.provider.ViewProviderHelper;
+import org.eclipse.emf.ecp.view.spi.renderer.NoPropertyDescriptorFoundExeption;
+import org.eclipse.emf.ecp.view.spi.renderer.NoRendererFoundException;
 import org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer;
 import org.eclipse.emf.ecp.view.spi.swt.SWTRendererFactory;
 import org.eclipse.emf.ecp.view.spi.swt.layout.GridDescriptionFactory;
 import org.eclipse.emf.ecp.view.spi.swt.layout.SWTGridDescription;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.InvalidGridDescriptionError;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.NoRenderingPossibleError;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Composite;
@@ -36,6 +41,15 @@ import org.eclipse.swt.widgets.Composite;
  */
 public class ECPSWTViewRendererImpl implements ECPSWTViewRenderer {
 
+	private final SWTRendererFactory factory;
+
+	/**
+	 * Constructor.
+	 */
+	public ECPSWTViewRendererImpl() {
+		factory = createFactory();
+	}
+
 	/**
 	 * {@inheritDoc}
 	 * 
@@ -68,24 +82,36 @@ public class ECPSWTViewRendererImpl implements ECPSWTViewRenderer {
 	 */
 	@Override
 	public ECPSWTView render(Composite parent, ViewModelContext viewModelContext) throws ECPRendererException {
-		final SWTRendererFactory factory = new SWTRendererFactoryImpl();
 		final AbstractSWTRenderer<VElement> renderer = factory.getRenderer(
 			viewModelContext.getViewModel(),
 			viewModelContext);
+
+		final ReportService reportService = Activator.getDefault().getReportService();
+
 		final SWTGridDescription gridDescription = renderer.getGridDescription(GridDescriptionFactory.INSTANCE
 			.createEmptyGridDescription());
 		if (gridDescription.getGrid().size() != 1) {
+			reportService.report(
+				new InvalidGridDescriptionError("Invalid number of cells, expected exactly one cell!")); //$NON-NLS-1$
+			// TODO: RS
 			// do sth. if wrong number of controls
 			throw new IllegalStateException("Invalid number of cells, expected exactly one cell!"); //$NON-NLS-1$
 		}
-		// a view returns always a composite and always only one row with one control
-		final Composite composite = (Composite) renderer.render(gridDescription.getGrid().get(0), parent);
-		renderer.finalizeRendering(parent);
 
-		final GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
-		composite.setLayoutData(gridData);
+		// a view returns always a composite and always only one row with one control
+		ECPSWTView swtView = null;
+		try {
+			final Composite composite = (Composite) renderer.render(gridDescription.getGrid().get(0), parent);
+			renderer.finalizeRendering(parent);
+			final GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
+			composite.setLayoutData(gridData);
+			swtView = new ECPSWTViewImpl(composite, viewModelContext);
+		} catch (final NoRendererFoundException e) {
+			reportService.report(new NoRenderingPossibleError<NoRendererFoundException>(e));
+		} catch (final NoPropertyDescriptorFoundExeption e) {
+			reportService.report(new NoRenderingPossibleError<NoPropertyDescriptorFoundExeption>(e));
+		}
 
-		final ECPSWTView swtView = new ECPSWTViewImpl(composite, viewModelContext);
 		return swtView;
 	}
 
@@ -102,4 +128,13 @@ public class ECPSWTViewRendererImpl implements ECPSWTViewRenderer {
 		return render(parent, domainObject, view);
 	}
 
+	/**
+	 * Returns the {@link SWTRendererFactory} used to obtain any SWT renderer.
+	 * Clients may override.
+	 * 
+	 * @return the {@link SWTRendererFactory}
+	 */
+	protected SWTRendererFactory createFactory() {
+		return new SWTRendererFactoryImpl();
+	}
 }
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/EmptyVElementSWTRenderer.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/EmptyVElementSWTRenderer.java
new file mode 100644
index 0000000000..a2ff8ae82b
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/EmptyVElementSWTRenderer.java
@@ -0,0 +1,76 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.internal.swt;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.emf.ecp.view.spi.model.VElement;
+import org.eclipse.emf.ecp.view.spi.renderer.NoPropertyDescriptorFoundExeption;
+import org.eclipse.emf.ecp.view.spi.renderer.NoRendererFoundException;
+import org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer;
+import org.eclipse.emf.ecp.view.spi.swt.layout.GridDescriptionFactory;
+import org.eclipse.emf.ecp.view.spi.swt.layout.SWTGridCell;
+import org.eclipse.emf.ecp.view.spi.swt.layout.SWTGridDescription;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+
+/**
+ * An no-op renderer.
+ * 
+ * @author emueller
+ * @since 1.3
+ * 
+ */
+public final class EmptyVElementSWTRenderer extends AbstractSWTRenderer<VElement> {
+
+	private final SWTGridDescription gridDescription;
+
+	/**
+	 * Default constructor.
+	 */
+	public EmptyVElementSWTRenderer() {
+		super();
+		gridDescription = GridDescriptionFactory.INSTANCE.createEmptyGridDescription();
+		final SWTGridCell gc = new SWTGridCell(0, 0, this);
+		gc.setHorizontalFill(true);
+		gc.setHorizontalGrab(true);
+		gc.setVerticalFill(false);
+		gc.setVerticalGrab(false);
+		final List<SWTGridCell> grid = new ArrayList<SWTGridCell>();
+		grid.add(gc);
+		gridDescription.setGrid(grid);
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer#getGridDescription(org.eclipse.emf.ecp.view.spi.swt.layout.SWTGridDescription)
+	 */
+	@Override
+	public SWTGridDescription getGridDescription(SWTGridDescription gridDescription) {
+		return this.gridDescription;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer#renderControl(org.eclipse.emf.ecp.view.spi.swt.layout.SWTGridCell,
+	 *      org.eclipse.swt.widgets.Composite)
+	 */
+	@Override
+	protected Control renderControl(SWTGridCell cell, Composite parent) throws NoRendererFoundException,
+		NoPropertyDescriptorFoundExeption {
+		return parent;
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/SWTRendererFactoryImpl.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/SWTRendererFactoryImpl.java
index a49aaea197..45791f4e27 100644
--- a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/SWTRendererFactoryImpl.java
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/internal/swt/SWTRendererFactoryImpl.java
@@ -23,6 +23,8 @@ import org.eclipse.core.runtime.InvalidRegistryObjectException;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.emf.ecp.view.model.common.ECPRendererTester;
 import org.eclipse.emf.ecp.view.model.common.ECPStaticRendererTester;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService;
 import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
 import org.eclipse.emf.ecp.view.spi.model.VElement;
 import org.eclipse.emf.ecp.view.spi.swt.AbstractAdditionalSWTRenderer;
@@ -30,13 +32,17 @@ import org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer;
 import org.eclipse.emf.ecp.view.spi.swt.ECPAdditionalRendererTester;
 import org.eclipse.emf.ecp.view.spi.swt.SWTRendererFactory;
 import org.eclipse.emf.ecp.view.spi.swt.UnknownVElementSWTRenderer;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.AmbiguousRendererPriorityError;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.ECPRendererDescriptionInitFailedError;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.NoRendererFoundError;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.RendererInitFailedError;
 import org.osgi.framework.Bundle;
 
 /**
  * @author Eugen
  * 
  */
-public final class SWTRendererFactoryImpl implements SWTRendererFactory {
+public class SWTRendererFactoryImpl implements SWTRendererFactory {
 
 	private static final String TEST_DYNAMIC = "dynamicTest";//$NON-NLS-1$
 	private static final String TEST_STATIC = "staticTest";//$NON-NLS-1$
@@ -49,9 +55,22 @@ public final class SWTRendererFactoryImpl implements SWTRendererFactory {
 	// private final Map<Class<? extends VElement>, AbstractSWTRenderer<VElement>> rendererMapping = new
 	// LinkedHashMap<Class<? extends VElement>, AbstractSWTRenderer<VElement>>();
 
-	private final Set<ECPRendererDescription> rendererDescriptors = new LinkedHashSet<ECPRendererDescription>();
-	private final Set<ECPAdditionalRendererDescription> additionalRendererDescriptors = new LinkedHashSet<ECPAdditionalRendererDescription>();
-	private boolean debugMode = false;
+	/**
+	 * A description of all available renderers.
+	 */
+	private final Set<ECPRendererDescription> rendererDescriptors =
+		new LinkedHashSet<ECPRendererDescription>();
+
+	/**
+	 * A description of all additionally available renderers.
+	 */
+	private final Set<ECPAdditionalRendererDescription> additionalRendererDescriptors =
+		new LinkedHashSet<ECPAdditionalRendererDescription>();
+
+	/**
+	 * Whether EMF Forms is running in debug mode.
+	 */
+	private boolean debugMode;
 
 	/**
 	 * Default constructor for the renderer factory.
@@ -68,6 +87,24 @@ public final class SWTRendererFactoryImpl implements SWTRendererFactory {
 		readAdditionalRenderer();
 	}
 
+	/**
+	 * Returns a set of descriptions of all additionally available renderers.
+	 * 
+	 * @return a set of descriptions of all additionally available renderers.
+	 */
+	protected Set<ECPAdditionalRendererDescription> getAdditionalRendererDescriptors() {
+		return additionalRendererDescriptors;
+	}
+
+	/**
+	 * Returns a set of descriptions of all available renderers.
+	 * 
+	 * @return a set of descriptions of all available renderers.
+	 */
+	protected Set<ECPRendererDescription> getRendererDescriptors() {
+		return rendererDescriptors;
+	}
+
 	private void readRenderer() {
 		final IExtensionPoint extensionPoint = Platform.getExtensionRegistry()
 			.getExtensionPoint(RENDER_EXTENSION);
@@ -101,11 +138,11 @@ public final class SWTRendererFactoryImpl implements SWTRendererFactory {
 
 					rendererDescriptors.add(new ECPRendererDescription(renderer, tester));
 				} catch (final CoreException ex) {
-					ex.printStackTrace();
-				} catch (final ClassNotFoundException e) {
-					e.printStackTrace();
-				} catch (final InvalidRegistryObjectException e) {
-					e.printStackTrace();
+					report(new ECPRendererDescriptionInitFailedError<CoreException>(ex));
+				} catch (final ClassNotFoundException ex) {
+					report(new ECPRendererDescriptionInitFailedError<ClassNotFoundException>(ex));
+				} catch (final InvalidRegistryObjectException ex) {
+					report(new ECPRendererDescriptionInitFailedError<InvalidRegistryObjectException>(ex));
 				}
 			}
 		}
@@ -133,16 +170,20 @@ public final class SWTRendererFactoryImpl implements SWTRendererFactory {
 
 					additionalRendererDescriptors.add(new ECPAdditionalRendererDescription(renderer, tester));
 				} catch (final CoreException ex) {
-					ex.printStackTrace();
+					report(new ECPRendererDescriptionInitFailedError<CoreException>(ex));
 				} catch (final ClassNotFoundException e) {
-					e.printStackTrace();
+					report(new ECPRendererDescriptionInitFailedError<ClassNotFoundException>(e));
 				} catch (final InvalidRegistryObjectException e) {
-					e.printStackTrace();
+					report(new ECPRendererDescriptionInitFailedError<InvalidRegistryObjectException>(e));
 				}
 			}
 		}
 	}
 
+	private void report(ReportEntity reportEntity) {
+		Activator.getDefault().getReportService().report(reportEntity);
+	}
+
 	@SuppressWarnings("unchecked")
 	private static <T> Class<T> loadClass(String bundleName, String clazz)
 		throws ClassNotFoundException {
@@ -183,8 +224,11 @@ public final class SWTRendererFactoryImpl implements SWTRendererFactory {
 	 */
 	@Override
 	public AbstractSWTRenderer<VElement> getRenderer(VElement vElement, ViewModelContext viewContext) {
+
 		int highestPriority = -1;
 		AbstractSWTRenderer<VElement> bestCandidate = null;
+		final ReportService reportService = Activator.getDefault().getReportService();
+
 		for (final ECPRendererDescription description : rendererDescriptors) {
 
 			int currentPriority = -1;
@@ -197,30 +241,42 @@ public final class SWTRendererFactoryImpl implements SWTRendererFactory {
 
 			}
 
+			if (currentPriority == highestPriority && highestPriority != -1) {
+				reportService.report(
+					new AmbiguousRendererPriorityError(
+						currentPriority,
+						description.getRenderer().getClass().getCanonicalName(),
+						bestCandidate.getClass().getCanonicalName()));
+			}
+
 			if (currentPriority > highestPriority) {
 				highestPriority = currentPriority;
 				try {
 					bestCandidate = description.getRenderer().newInstance();
 				} catch (final InstantiationException ex) {
-					Activator.log(ex);
-					return null;
+					reportService.report(new RendererInitFailedError<InstantiationException>(ex));
 				} catch (final IllegalAccessException ex) {
-					Activator.log(ex);
-					return null;
+					reportService.report(new RendererInitFailedError<IllegalAccessException>(ex));
 				}
 			}
 		}
 
-		if (bestCandidate == null && showUnknownRenderer(viewContext)) {
-			bestCandidate = new UnknownVElementSWTRenderer();
+		if (bestCandidate == null) {
+			reportService.report(new NoRendererFoundError(vElement));
+			if (showUnknownRenderer(viewContext)) {
+				bestCandidate = new UnknownVElementSWTRenderer();
+			} else {
+				bestCandidate = new EmptyVElementSWTRenderer();
+			}
 		}
+
 		bestCandidate.init(vElement, viewContext);
+
 		return bestCandidate;
 	}
 
 	private boolean showUnknownRenderer(ViewModelContext viewModelContext) {
-
-		return debugMode || viewModelContext.hasService(DebugViewModelService.class);
+		return debugMode;
 	}
 
 	/**
@@ -233,7 +289,11 @@ public final class SWTRendererFactoryImpl implements SWTRendererFactory {
 	@Override
 	public Collection<AbstractAdditionalSWTRenderer<VElement>> getAdditionalRenderer(VElement vElement,
 		ViewModelContext viewModelContext) {
-		final Set<AbstractAdditionalSWTRenderer<VElement>> renderers = new LinkedHashSet<AbstractAdditionalSWTRenderer<VElement>>();
+
+		final ReportService reportService = Activator.getDefault().getReportService();
+		final Set<AbstractAdditionalSWTRenderer<VElement>> renderers =
+			new LinkedHashSet<AbstractAdditionalSWTRenderer<VElement>>();
+
 		for (final ECPAdditionalRendererDescription description : additionalRendererDescriptors) {
 			final ECPAdditionalRendererTester tester = description.getTester();
 			if (tester.isApplicable(vElement, viewModelContext)) {
@@ -244,10 +304,10 @@ public final class SWTRendererFactoryImpl implements SWTRendererFactory {
 					renderers.add(renderer);
 					continue;
 				} catch (final InstantiationException ex) {
-					Activator.log(ex);
+					reportService.report(new RendererInitFailedError<InstantiationException>(ex));
 					continue;
 				} catch (final IllegalAccessException ex) {
-					Activator.log(ex);
+					reportService.report(new RendererInitFailedError<IllegalAccessException>(ex));
 					continue;
 				}
 			}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/AmbiguousRendererPriorityError.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/AmbiguousRendererPriorityError.java
new file mode 100644
index 0000000000..bdc4652444
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/AmbiguousRendererPriorityError.java
@@ -0,0 +1,103 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.spi.swt.reporting;
+
+import java.text.MessageFormat;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+
+/**
+ * An error that indicates that two renderers with the same priority have been found.
+ * 
+ * @author emueller
+ * 
+ */
+public class AmbiguousRendererPriorityError implements ReportEntity {
+
+	private final int priority;
+	private final String rendererName;
+	private final String otherRendererName;
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param priority
+	 *            the ambiguous priority
+	 * @param rendererName
+	 *            the name of the first renderer
+	 * @param otherRendererName
+	 *            the name of the second renderer
+	 */
+	public AmbiguousRendererPriorityError(int priority, String rendererName, String otherRendererName) {
+		this.priority = priority;
+		this.rendererName = rendererName;
+		this.otherRendererName = otherRendererName;
+	}
+
+	/**
+	 * Returns the name of the first renderer.
+	 * 
+	 * @return the name of the first renderer
+	 */
+	public String getRendererName() {
+		return rendererName;
+	}
+
+	/**
+	 * Returns the name of the second renderer.
+	 * 
+	 * @return the name of the second renderer
+	 */
+	public String getOtherRendererName() {
+		return otherRendererName;
+	}
+
+	/**
+	 * Returns the priority.
+	 * 
+	 * @return the priority
+	 */
+	public int getPriority() {
+		return priority;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getMessage()
+	 */
+	@Override
+	public String getMessage() {
+		return MessageFormat.format("The {0} and the {1} renderers both have priority {2}.", //$NON-NLS-1$
+			rendererName, otherRendererName, priority);
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#hasException()
+	 */
+	@Override
+	public boolean hasException() {
+		return false;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getException()
+	 */
+	@Override
+	public <T extends Exception> T getException() {
+		return null;
+	}
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/CustomControlInitFailedError.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/CustomControlInitFailedError.java
new file mode 100644
index 0000000000..bc756f9f51
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/CustomControlInitFailedError.java
@@ -0,0 +1,71 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.spi.swt.reporting;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+
+/**
+ * Indicates that the initialization of a custom control failed.
+ * 
+ * @author emueller
+ * 
+ */
+public class CustomControlInitFailedError implements ReportEntity {
+
+	private final String bundleName;
+	private final String customControlClassName;
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param bundleName
+	 *            the name of the bundle containing the custom control
+	 * @param customControlClassName
+	 *            the name of the class for the custom control
+	 */
+	public CustomControlInitFailedError(String bundleName, String customControlClassName) {
+		this.bundleName = bundleName;
+		this.customControlClassName = customControlClassName;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getMessage()
+	 */
+	@Override
+	public String getMessage() {
+		return String.format("The  %1$s/%2$s cannot be loaded!", //$NON-NLS-1$
+			bundleName, customControlClassName);
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#hasException()
+	 */
+	@Override
+	public boolean hasException() {
+		return false;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getException()
+	 */
+	@Override
+	public <T extends Exception> T getException() {
+		return null;
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/ECPRendererDescriptionInitFailedError.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/ECPRendererDescriptionInitFailedError.java
new file mode 100644
index 0000000000..05ce7fed71
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/ECPRendererDescriptionInitFailedError.java
@@ -0,0 +1,72 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.spi.swt.reporting;
+
+import java.text.MessageFormat;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+
+/**
+ * Indicates that an {@link org.eclipse.emf.ecp.view.internal.swt.ECPRendererDescription ECPRendererDescription} could
+ * not be initialized.
+ * 
+ * @author emueller
+ * 
+ * @param <E> the underlying exception type
+ */
+public class ECPRendererDescriptionInitFailedError<E extends Exception> implements ReportEntity {
+
+	private final E exception;
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param exception
+	 *            the underlying exception
+	 */
+	public ECPRendererDescriptionInitFailedError(E exception) {
+		this.exception = exception;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getMessage()
+	 */
+	@Override
+	public String getMessage() {
+		return MessageFormat.format("ECPRendererDescription initialization failed due to: {0}", //$NON-NLS-1$
+			exception.getMessage());
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#hasException()
+	 */
+	@Override
+	public boolean hasException() {
+		return true;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getException()
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public E getException() {
+		return exception;
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/InvalidGridDescriptionError.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/InvalidGridDescriptionError.java
new file mode 100644
index 0000000000..967bb1d032
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/InvalidGridDescriptionError.java
@@ -0,0 +1,67 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.spi.swt.reporting;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+
+/**
+ * Indicates that a renderer returned an invalid grid description.
+ * 
+ * @author emueller
+ * 
+ */
+public class InvalidGridDescriptionError implements ReportEntity {
+
+	private final String msg;
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param msg
+	 *            an error message
+	 */
+	public InvalidGridDescriptionError(String msg) {
+		this.msg = msg;
+	}
+
+	/**
+	 * 
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getMessage()
+	 */
+	@Override
+	public String getMessage() {
+		return msg;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#hasException()
+	 */
+	@Override
+	public boolean hasException() {
+		return false;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getException()
+	 */
+	@Override
+	public <T extends Exception> T getException() {
+		return null;
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/NoRendererFoundError.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/NoRendererFoundError.java
new file mode 100644
index 0000000000..2184d43f10
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/NoRendererFoundError.java
@@ -0,0 +1,70 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.spi.swt.reporting;
+
+import java.text.MessageFormat;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+import org.eclipse.emf.ecp.view.spi.model.VElement;
+
+/**
+ * Indicates that no renderer has been found.
+ * 
+ * @author emueller
+ * 
+ */
+public class NoRendererFoundError implements ReportEntity {
+
+	private final VElement element;
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param element
+	 *            the {@link VElement} for which no renderer could be found
+	 */
+	public NoRendererFoundError(VElement element) {
+		this.element = element;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getMessage()
+	 */
+	@Override
+	public String getMessage() {
+		return MessageFormat.format("No renderer found for element {0}", //$NON-NLS-1$
+			element.getName());
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#hasException()
+	 */
+	@Override
+	public boolean hasException() {
+		return false;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getException()
+	 */
+	@Override
+	public <T extends Exception> T getException() {
+		return null;
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/NoRenderingPossibleError.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/NoRenderingPossibleError.java
new file mode 100644
index 0000000000..ef11d16be2
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/NoRenderingPossibleError.java
@@ -0,0 +1,71 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.spi.swt.reporting;
+
+import java.text.MessageFormat;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+
+/**
+ * Indicates that rendering is not possible due to an exception.
+ * 
+ * @author emueller
+ * 
+ * @param <E> the underlying exception type
+ */
+public class NoRenderingPossibleError<E extends Exception> implements ReportEntity {
+
+	private final E exception;
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param exception
+	 *            the underlying exception
+	 */
+	public NoRenderingPossibleError(E exception) {
+		this.exception = exception;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getMessage()
+	 */
+	@Override
+	public String getMessage() {
+		return MessageFormat.format("Rendering not possible due to: {0}.", //$NON-NLS-1$
+			exception.getMessage());
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#hasException()
+	 */
+	@Override
+	public boolean hasException() {
+		return true;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getException()
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public E getException() {
+		return exception;
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/RendererInitFailedError.java b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/RendererInitFailedError.java
new file mode 100644
index 0000000000..054d72ddde
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view.swt/src/org/eclipse/emf/ecp/view/spi/swt/reporting/RendererInitFailedError.java
@@ -0,0 +1,71 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.spi.swt.reporting;
+
+import java.text.MessageFormat;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+
+/**
+ * An error report that indicates that an renderer failed during its initialization.
+ * 
+ * @author emueller
+ * 
+ * @param <E> the underlying exception type
+ */
+public class RendererInitFailedError<E extends Exception> implements ReportEntity {
+
+	private final E exception;
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param exception
+	 *            the underlying exception
+	 */
+	public RendererInitFailedError(E exception) {
+		this.exception = exception;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getMessage()
+	 */
+	@Override
+	public String getMessage() {
+		return MessageFormat.format("Initialization of renderer failed due to: {0}", //$NON-NLS-1$
+			exception.getMessage());
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#hasException()
+	 */
+	@Override
+	public boolean hasException() {
+		return true;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getException()
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public E getException() {
+		return exception;
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view/META-INF/MANIFEST.MF b/bundles/org.eclipse.emf.ecp.ui.view/META-INF/MANIFEST.MF
index 0ec2f1130c..0afb429a45 100644
--- a/bundles/org.eclipse.emf.ecp.ui.view/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.emf.ecp.ui.view/META-INF/MANIFEST.MF
@@ -1,18 +1,18 @@
-Manifest-Version: 1.0

-Bundle-ManifestVersion: 2

-Bundle-Name: MPI UI View

-Bundle-SymbolicName: org.eclipse.emf.ecp.ui.view;singleton:=true

-Bundle-Version: 1.5.0.qualifier

-Bundle-Activator: org.eclipse.emf.ecp.view.internal.ui.Activator

-Require-Bundle: org.eclipse.core.runtime;bundle-version="[3.5.0,4.0.0)",

- org.eclipse.emf.ecp.view.model;bundle-version="[1.4.0,2.0.0)";visibility:=reexport,

- org.eclipse.emf.ecp.view.context;bundle-version="[1.4.0,2.0.0)";visibility:=reexport,

- org.eclipse.emf.ecp.edit;bundle-version="[1.4.0,2.0.0)"

-Bundle-ActivationPolicy: lazy

-Bundle-RequiredExecutionEnvironment: JavaSE-1.6

-Export-Package: org.eclipse.emf.ecp.ui.view;version="1.5.0",org.eclips

- e.emf.ecp.view.internal.provider;version="1.5.0";x-internal:=true,org

- .eclipse.emf.ecp.view.internal.ui;version="1.5.0";x-friends:="org.ecl

- ipse.emf.ecp.view.table.ui.swt",org.eclipse.emf.ecp.view.spi.provider

- ;version="1.5.0",org.eclipse.emf.ecp.view.spi.renderer;version="1.5.0"

-Bundle-Vendor: Eclipse Modeling Project

+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: MPI UI View
+Bundle-SymbolicName: org.eclipse.emf.ecp.ui.view;singleton:=true
+Bundle-Version: 1.5.0.qualifier
+Bundle-Activator: org.eclipse.emf.ecp.view.internal.ui.Activator
+Require-Bundle: org.eclipse.core.runtime;bundle-version="[3.5.0,4.0.0)",
+ org.eclipse.emf.ecp.view.model;bundle-version="[1.4.0,2.0.0)";visibility:=reexport,
+ org.eclipse.emf.ecp.view.context;bundle-version="[1.4.0,2.0.0)";visibility:=reexport,
+ org.eclipse.emf.ecp.edit;bundle-version="[1.4.0,2.0.0)"
+Bundle-ActivationPolicy: lazy
+Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Export-Package: org.eclipse.emf.ecp.ui.view;version="1.5.0",
+ org.eclipse.emf.ecp.view.internal.provider;version="1.5.0";x-friends:="org.eclipse.emf.ecp.view.context.test",
+ org.eclipse.emf.ecp.view.internal.ui;version="1.5.0";x-friends:="org.eclipse.emf.ecp.view.table.ui.swt",
+ org.eclipse.emf.ecp.view.spi.provider;version="1.5.0",
+ org.eclipse.emf.ecp.view.spi.renderer;version="1.5.0"
+Bundle-Vendor: Eclipse Modeling Project
diff --git a/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/internal/provider/ViewProviderImpl.java b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/internal/provider/ViewProviderImpl.java
new file mode 100644
index 0000000000..58fc3ff094
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/internal/provider/ViewProviderImpl.java
@@ -0,0 +1,183 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Eugen Neufeld - initial API and implementation
+ * Edgar Mueller - refactorings
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.internal.provider;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Set;
+
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecp.view.internal.ui.Activator;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+import org.eclipse.emf.ecp.view.spi.model.VView;
+import org.eclipse.emf.ecp.view.spi.provider.IViewProvider;
+import org.eclipse.emf.ecp.view.spi.provider.NoViewProviderError;
+import org.eclipse.emf.ecp.view.spi.provider.ViewModelIsNullError;
+import org.eclipse.emf.ecp.view.spi.provider.ViewProviderInitFailedError;
+import org.osgi.framework.Bundle;
+
+/**
+ * @author Eugen Neufeld
+ */
+public class ViewProviderImpl {
+
+	private static final String CLASS_CANNOT_BE_RESOLVED = "%1$s cannot be loaded because bundle %2$s cannot be resolved."; //$NON-NLS-1$
+	private static final String CLASS = "class"; //$NON-NLS-1$
+	private static final String EXTENSION_POINT_ID = "org.eclipse.emf.ecp.ui.view.viewModelProviders"; //$NON-NLS-1$
+	private final Set<IViewProvider> viewProviders = new LinkedHashSet<IViewProvider>();
+	private final boolean shouldReadExtensionPointPerRequest;
+
+	/**
+	 * Default Constructor.
+	 */
+	public ViewProviderImpl() {
+		this(true);
+	}
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param shouldReadExtensionPointPerRequest
+	 *            whether the view providers extension should be read on each request
+	 */
+	public ViewProviderImpl(boolean shouldReadExtensionPointPerRequest) {
+		this.shouldReadExtensionPointPerRequest = shouldReadExtensionPointPerRequest;
+	}
+
+	/**
+	 * Clears all {@link IViewProvider}s.
+	 */
+	public void clearProviders() {
+		viewProviders.clear();
+	}
+
+	/**
+	 * Adds a {@link IViewProvider}.
+	 * 
+	 * @param provider
+	 *            the {@link IViewProvider} to be added
+	 */
+	public void addProvider(IViewProvider provider) {
+		viewProviders.add(provider);
+	}
+
+	private Set<IViewProvider> getViewProviders() {
+		if (viewProviders == null || viewProviders.isEmpty()) {
+			viewProviders.addAll(readViewProviders());
+		}
+		return viewProviders;
+	}
+
+	private static Set<IViewProvider> readViewProviders() {
+		final IConfigurationElement[] controls = Platform.getExtensionRegistry()
+			.getConfigurationElementsFor(
+				EXTENSION_POINT_ID);
+
+		final Set<IViewProvider> providers = new LinkedHashSet<IViewProvider>();
+
+		for (final IConfigurationElement e : controls) {
+			try {
+				final String clazz = e.getAttribute(CLASS);
+				final Class<? extends IViewProvider> resolvedClass = loadClass(e
+					.getContributor().getName(), clazz);
+				final Constructor<? extends IViewProvider> controlConstructor = resolvedClass
+					.getConstructor();
+				final IViewProvider viewProvider = controlConstructor.newInstance();
+				providers.add(viewProvider);
+			} catch (final ClassNotFoundException ex) {
+				report(new ViewProviderInitFailedError<ClassNotFoundException>(ex));
+			} catch (final NoSuchMethodException ex) {
+				report(new ViewProviderInitFailedError<NoSuchMethodException>(ex));
+			} catch (final SecurityException ex) {
+				report(new ViewProviderInitFailedError<SecurityException>(ex));
+			} catch (final InstantiationException ex) {
+				report(new ViewProviderInitFailedError<InstantiationException>(ex));
+			} catch (final IllegalAccessException ex) {
+				report(new ViewProviderInitFailedError<IllegalAccessException>(ex));
+			} catch (final IllegalArgumentException ex) {
+				report(new ViewProviderInitFailedError<IllegalArgumentException>(ex));
+			} catch (final InvocationTargetException ex) {
+				report(new ViewProviderInitFailedError<InvocationTargetException>(ex));
+			}
+		}
+
+		return providers;
+	}
+
+	private static void report(ReportEntity reportEntity) {
+		Activator.getDefault().getReportService().report(reportEntity);
+	}
+
+	@SuppressWarnings("unchecked")
+	private static <T> Class<T> loadClass(String bundleName, String clazz)
+		throws ClassNotFoundException {
+		final Bundle bundle = Platform.getBundle(bundleName);
+		if (bundle == null) {
+			throw new ClassNotFoundException(String.format(
+				CLASS_CANNOT_BE_RESOLVED, clazz, bundleName));
+		}
+		return (Class<T>) bundle.loadClass(clazz);
+
+	}
+
+	/**
+	 * This allows to retrieve a {@link VView} based on an {@link EObject}. This method reads all {@link IViewProvider
+	 * IViewProviders} and searches for the best fitting. If none can be found, then null is returned.
+	 * 
+	 * @param eObject the {@link EObject} to find a {@link VView} for
+	 * @param context a key-value-map from String to Object
+	 * @return a view model for the given {@link EObject} or null if no suited provider could be found
+	 */
+	public VView getView(EObject eObject, Map<String, Object> context) {
+		int highestPrio = IViewProvider.NOT_APPLICABLE;
+		IViewProvider selectedProvider = null;
+		if (context == null) {
+			context = new LinkedHashMap<String, Object>();
+		}
+
+		Set<IViewProvider> providers;
+		if (shouldReadExtensionPointPerRequest) {
+			providers = getViewProviders();
+		} else {
+			providers = viewProviders;
+		}
+
+		if (providers.isEmpty()) {
+			report(new NoViewProviderError());
+		}
+
+		for (final IViewProvider viewProvider : providers) {
+			final int prio = viewProvider.canRender(eObject, context);
+			if (prio > highestPrio) {
+				highestPrio = prio;
+				selectedProvider = viewProvider;
+			}
+		}
+
+		if (selectedProvider != null) {
+			final VView view = selectedProvider.generate(eObject, context);
+			if (view == null) {
+				report(new ViewModelIsNullError());
+			}
+			return view;
+		}
+
+		return null;
+
+	}
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/internal/ui/Activator.java b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/internal/ui/Activator.java
index d74112e5f4..fe4e339734 100644
--- a/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/internal/ui/Activator.java
+++ b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/internal/ui/Activator.java
@@ -1,106 +1,121 @@
-/*******************************************************************************

- * Copyright (c) 2011-2013 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:

- * EclipseSource Muenchen - initial API and implementation

- * 

- *******************************************************************************/

-package org.eclipse.emf.ecp.view.internal.ui;

-

-import org.eclipse.core.runtime.IStatus;

-import org.eclipse.core.runtime.Plugin;

-import org.eclipse.core.runtime.Status;

-import org.eclipse.emf.ecp.edit.spi.ECPControlFactory;

-import org.osgi.framework.BundleContext;

-import org.osgi.framework.ServiceReference;

-

-/**

- * The activator class controls the plug-in life cycle.

- */

-public class Activator extends Plugin {

-

-	/** The plug-in ID. **/

-	public static final String PLUGIN_ID = "org.eclipse.emf.ecp.ui.view"; //$NON-NLS-1$

-

-	// The shared instance

-	private static Activator plugin;

-

-	/**

-	 * The constructor.

-	 */

-	public Activator() {

-	}

-

-	/*

-	 * (non-Javadoc)

-	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)

-	 */

-	@Override

-	public void start(BundleContext context) throws Exception {

-		super.start(context);

-		// this.context = context;

-		plugin = this;

-	}

-

-	/*

-	 * (non-Javadoc)

-	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)

-	 */

-	@Override

-	public void stop(BundleContext context) throws Exception {

-		plugin = null;

-		super.stop(context);

-	}

-

-	/**

-	 * Returns the shared instance.

-	 * 

-	 * @return the shared instance

-	 */

-	public static Activator getDefault() {

-		return plugin;

-	}

-

-	/**

-	 * Logs exception.

-	 * 

-	 * @param e

-	 *            the {@link Exception} to log

-	 */

-	public static void log(Exception e) {

-		getDefault().getLog().log(

-			new Status(IStatus.ERROR, Activator.getDefault().getBundle().getSymbolicName(), e

-				.getMessage(), e));

-	}

-

-	private ServiceReference<ECPControlFactory> controlFactoryReference;

-

-	/**

-	 * Returns the {@link ECPControlFactory}.

-	 * 

-	 * @return the {@link ECPControlFactory}

-	 */

-	public ECPControlFactory getECPControlFactory() {

-		if (controlFactoryReference == null) {

-			controlFactoryReference = plugin.getBundle().getBundleContext()

-				.getServiceReference(ECPControlFactory.class);

-		}

-		return plugin.getBundle().getBundleContext().getService(controlFactoryReference);

-	}

-

-	/**

-	 * Frees the {@link ECPControlFactory} from use, allowing the OSGi Bundle to be shutdown.

-	 */

-	public void ungetECPControlFactory() {

-		if (controlFactoryReference == null) {

-			return;

-		}

-		plugin.getBundle().getBundleContext().ungetService(controlFactoryReference);

-		controlFactoryReference = null;

-	}

-}

+/*******************************************************************************
+ * Copyright (c) 2011-2013 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:
+ * EclipseSource Muenchen - initial API and implementation
+ * 
+ *******************************************************************************/
+package org.eclipse.emf.ecp.view.internal.ui;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Plugin;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.emf.ecp.edit.spi.ECPControlFactory;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+
+/**
+ * The activator class controls the plug-in life cycle.
+ */
+public class Activator extends Plugin {
+
+	/** The plug-in ID. **/
+	public static final String PLUGIN_ID = "org.eclipse.emf.ecp.ui.view"; //$NON-NLS-1$
+
+	// The shared instance
+	private static Activator plugin;
+
+	private ServiceReference<ECPControlFactory> controlFactoryReference;
+	private ServiceReference<ReportService> reportServiceReference;
+
+	/**
+	 * The constructor.
+	 */
+	public Activator() {
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
+	 */
+	@Override
+	public void start(BundleContext context) throws Exception {
+		super.start(context);
+		// this.context = context;
+		plugin = this;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
+	 */
+	@Override
+	public void stop(BundleContext context) throws Exception {
+		plugin = null;
+		super.stop(context);
+	}
+
+	/**
+	 * Returns the shared instance.
+	 * 
+	 * @return the shared instance
+	 */
+	public static Activator getDefault() {
+		return plugin;
+	}
+
+	/**
+	 * Logs exception.
+	 * 
+	 * @param e
+	 *            the {@link Exception} to log
+	 */
+	public static void log(Exception e) {
+		getDefault().getLog().log(
+			new Status(IStatus.ERROR, Activator.getDefault().getBundle().getSymbolicName(), e
+				.getMessage(), e));
+	}
+
+	/**
+	 * Returns the {@link ECPControlFactory}.
+	 * 
+	 * @return the {@link ECPControlFactory}
+	 */
+	public ECPControlFactory getECPControlFactory() {
+		if (controlFactoryReference == null) {
+			controlFactoryReference = plugin.getBundle().getBundleContext()
+				.getServiceReference(ECPControlFactory.class);
+		}
+		return plugin.getBundle().getBundleContext().getService(controlFactoryReference);
+	}
+
+	/**
+	 * Returns the {@link ReportService}.
+	 * 
+	 * @return the {@link ReportService}
+	 */
+	public ReportService getReportService() {
+		if (reportServiceReference == null) {
+			reportServiceReference = plugin.getBundle().getBundleContext()
+				.getServiceReference(ReportService.class);
+		}
+		return plugin.getBundle().getBundleContext().getService(reportServiceReference);
+	}
+
+	/**
+	 * Frees the {@link ECPControlFactory} from use, allowing the OSGi Bundle to be shutdown.
+	 */
+	public void ungetECPControlFactory() {
+		if (controlFactoryReference == null) {
+			return;
+		}
+		plugin.getBundle().getBundleContext().ungetService(controlFactoryReference);
+		controlFactoryReference = null;
+	}
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/NoViewProviderError.java b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/NoViewProviderError.java
new file mode 100644
index 0000000000..a1470d2297
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/NoViewProviderError.java
@@ -0,0 +1,54 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.spi.provider;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+
+/**
+ * Indicates that no view provider could be obtained.
+ * 
+ * @author emueller
+ * 
+ */
+public class NoViewProviderError implements ReportEntity {
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getMessage()
+	 */
+	@Override
+	public String getMessage() {
+		return "No view provider available."; //$NON-NLS-1$
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#hasException()
+	 */
+	@Override
+	public boolean hasException() {
+		return false;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getException()
+	 */
+	@Override
+	public <T extends Exception> T getException() {
+		return null;
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/ViewModelIsNullError.java b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/ViewModelIsNullError.java
new file mode 100644
index 0000000000..314103f4d3
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/ViewModelIsNullError.java
@@ -0,0 +1,55 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.spi.provider;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+
+/**
+ * Indicates that a {@link IViewProvider} has returned {@code null} as
+ * the {@link org.eclipse.emf.ecp.view.spi.model.VView VView}.
+ * 
+ * @author emueller
+ * 
+ */
+public class ViewModelIsNullError implements ReportEntity {
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getMessage()
+	 */
+	@Override
+	public String getMessage() {
+		return "ViewProvider has returned null as the view."; //$NON-NLS-1$
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#hasException()
+	 */
+	@Override
+	public boolean hasException() {
+		return false;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getException()
+	 */
+	@Override
+	public <T extends Exception> T getException() {
+		return null;
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/ViewProviderHelper.java b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/ViewProviderHelper.java
index e12cebba0e..e7b4b79878 100644
--- a/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/ViewProviderHelper.java
+++ b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/ViewProviderHelper.java
@@ -1,127 +1,47 @@
-/*******************************************************************************

- * Copyright (c) 2011-2013 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:

- * EclipseSource Muenchen - initial API and implementation

- * 

- *******************************************************************************/

-package org.eclipse.emf.ecp.view.spi.provider;

-

-import java.lang.reflect.Constructor;

-import java.lang.reflect.InvocationTargetException;

-import java.util.HashSet;

-import java.util.LinkedHashMap;

-import java.util.Map;

-import java.util.Set;

-

-import org.eclipse.core.runtime.IConfigurationElement;

-import org.eclipse.core.runtime.Platform;

-import org.eclipse.emf.ecore.EObject;

-import org.eclipse.emf.ecp.view.internal.ui.Activator;

-import org.eclipse.emf.ecp.view.spi.model.VView;

-import org.osgi.framework.Bundle;

-

-/**

- * Util class for retrieving a {@link VView} based on an {@link EObject}.

- * 

- * @author Eugen Neufeld

- * @since 1.2

- * 

- */

-public final class ViewProviderHelper {

-

-	private static final String CLASS_CANNOT_BE_RESOLVED = "%1$s cannot be loaded because bundle %2$s cannot be resolved."; //$NON-NLS-1$

-	private static final String CLASS = "class"; //$NON-NLS-1$

-	private static final String EXTENSION_POINT_ID = "org.eclipse.emf.ecp.ui.view.viewModelProviders"; //$NON-NLS-1$

-

-	private ViewProviderHelper() {

-

-	}

-

-	private static Set<IViewProvider> viewProviders = new HashSet<IViewProvider>();

-

-	private static Set<IViewProvider> getViewProviders() {

-		if (viewProviders == null || viewProviders.isEmpty()) {

-			readViewProviders();

-		}

-		return viewProviders;

-	}

-

-	private static void readViewProviders() {

-		final IConfigurationElement[] controls = Platform.getExtensionRegistry()

-			.getConfigurationElementsFor(

-				EXTENSION_POINT_ID);

-		for (final IConfigurationElement e : controls) {

-			try {

-				final String clazz = e.getAttribute(CLASS);

-				final Class<? extends IViewProvider> resolvedClass = loadClass(e

-					.getContributor().getName(), clazz);

-				final Constructor<? extends IViewProvider> controlConstructor = resolvedClass

-					.getConstructor();

-				final IViewProvider viewProvider = controlConstructor.newInstance();

-				viewProviders.add(viewProvider);

-			} catch (final ClassNotFoundException ex) {

-				Activator.log(ex);

-			} catch (final NoSuchMethodException ex) {

-				Activator.log(ex);

-			} catch (final SecurityException ex) {

-				Activator.log(ex);

-			} catch (final InstantiationException ex) {

-				Activator.log(ex);

-			} catch (final IllegalAccessException ex) {

-				Activator.log(ex);

-			} catch (final IllegalArgumentException ex) {

-				Activator.log(ex);

-			} catch (final InvocationTargetException ex) {

-				Activator.log(ex);

-			}

-

-		}

-

-	}

-

-	@SuppressWarnings("unchecked")

-	private static <T> Class<T> loadClass(String bundleName, String clazz)

-		throws ClassNotFoundException {

-		final Bundle bundle = Platform.getBundle(bundleName);

-		if (bundle == null) {

-			throw new ClassNotFoundException(String.format(

-				CLASS_CANNOT_BE_RESOLVED, clazz, bundleName));

-		}

-		return (Class<T>) bundle.loadClass(clazz);

-

-	}

-

-	/**

-	 * This allows to retrieve a {@link VView} based on an {@link EObject}. This method reads all {@link IViewProvider

-	 * IViewProviders} and searches for the best fitting. If none can be found, then null is returned.

-	 * 

-	 * @param eObject the {@link EObject} to find a {@link VView} for

-	 * @param context a key-value-map from String to Object

-	 * @return a view model for the given {@link EObject} or null if no suited provider could be found

-	 */

-	public static VView getView(EObject eObject, Map<String, Object> context) {

-		int highestPrio = IViewProvider.NOT_APPLICABLE;

-		IViewProvider selectedProvider = null;

-		if (context == null) {

-			context = new LinkedHashMap<String, Object>();

-		}

-		for (final IViewProvider viewProvider : ViewProviderHelper.getViewProviders()) {

-			final int prio = viewProvider.canRender(eObject, context);

-			if (prio > highestPrio) {

-				highestPrio = prio;

-				selectedProvider = viewProvider;

-			}

-		}

-		if (selectedProvider != null) {

-			return selectedProvider.generate(eObject, context);

-		}

-		return null;

-

-	}

-}

+/*******************************************************************************
+ * Copyright (c) 2011-2013 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:
+ * EclipseSource Muenchen - initial API and implementation
+ * 
+ *******************************************************************************/
+package org.eclipse.emf.ecp.view.spi.provider;
+
+import java.util.Map;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecp.view.internal.provider.ViewProviderImpl;
+import org.eclipse.emf.ecp.view.spi.model.VView;
+
+/**
+ * Util class for retrieving a {@link VView} based on an {@link EObject}.
+ * 
+ * @author Eugen Neufeld
+ * @since 1.2
+ * 
+ */
+public final class ViewProviderHelper {
+
+	private static ViewProviderImpl viewProvider = new ViewProviderImpl();
+
+	private ViewProviderHelper() {
+
+	}
+
+	/**
+	 * This allows to retrieve a {@link VView} based on an {@link EObject}. This method reads all {@link IViewProvider
+	 * IViewProviders} and searches for the best fitting. If none can be found, then null is returned.
+	 * 
+	 * @param eObject the {@link EObject} to find a {@link VView} for
+	 * @param context a key-value-map from String to Object
+	 * @return a view model for the given {@link EObject} or null if no suited provider could be found
+	 */
+	public static VView getView(EObject eObject, Map<String, Object> context) {
+		return viewProvider.getView(eObject, context);
+	}
+}
diff --git a/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/ViewProviderInitFailedError.java b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/ViewProviderInitFailedError.java
new file mode 100644
index 0000000000..af2431446c
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.ui.view/src/org/eclipse/emf/ecp/view/spi/provider/ViewProviderInitFailedError.java
@@ -0,0 +1,71 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.spi.provider;
+
+import java.text.MessageFormat;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+
+/**
+ * Indicates that a ViewProvider could not be instantiated.
+ * 
+ * @author emueller
+ * 
+ * @param <E> the type f the exception due to initialization of the {@link IViewProvider} failed
+ */
+public class ViewProviderInitFailedError<E extends Exception> implements ReportEntity {
+
+	private final E exception;
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param exception
+	 *            an exception
+	 */
+	public ViewProviderInitFailedError(E exception) {
+		this.exception = exception;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getMessage()
+	 */
+	@Override
+	public String getMessage() {
+		return MessageFormat.format("ViewProvider could not be initialized due to {0}: ", //$NON-NLS-1$
+			exception.getMessage());
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#hasException()
+	 */
+	@Override
+	public boolean hasException() {
+		return true;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getException()
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public <T extends Exception> T getException() {
+		return (T) exception;
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.view.context/META-INF/MANIFEST.MF b/bundles/org.eclipse.emf.ecp.view.context/META-INF/MANIFEST.MF
index 6fe1896c85..1cddd1127d 100644
--- a/bundles/org.eclipse.emf.ecp.view.context/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.emf.ecp.view.context/META-INF/MANIFEST.MF
@@ -11,6 +11,7 @@ Require-Bundle: org.eclipse.core.runtime;bundle-version="[3.7.0,4.0.0)",
  org.eclipse.emf.ecp.common;bundle-version="[1.4.0,2.0.0)";visibility:=reexport
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Bundle-ActivationPolicy: lazy
-Export-Package: org.eclipse.emf.ecp.view.internal.context;version="1.5
- .0";x-internal:=true,org.eclipse.emf.ecp.view.spi.context;version="1.
- 5.0"
+Export-Package: org.eclipse.emf.ecp.view.internal.context;version="1.5.0";x-internal:=true,
+ org.eclipse.emf.ecp.view.model.common.internal.reporting;version="1.5.0";x-internal:=true,
+ org.eclipse.emf.ecp.view.model.common.spi.reporting;version="1.5.0",
+ org.eclipse.emf.ecp.view.spi.context;version="1.5.0"
diff --git a/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/internal/context/Activator.java b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/internal/context/Activator.java
index 85d308cb04..327e0e960b 100644
--- a/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/internal/context/Activator.java
+++ b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/internal/context/Activator.java
@@ -1,80 +1,114 @@
-/*******************************************************************************

- * Copyright (c) 2011-2013 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:

- * Eugen Neufeld - initial API and implementation

- ******************************************************************************/

-package org.eclipse.emf.ecp.view.internal.context;

-

-import org.eclipse.core.runtime.IStatus;

-import org.eclipse.core.runtime.Plugin;

-import org.eclipse.core.runtime.Status;

-import org.osgi.framework.BundleContext;

-

-/**

- * The Class Activator.

- */

-public class Activator extends Plugin {

-

-	/**

-	 * The constant holding the id of this plugin.

-	 */

-	public static final String PLUGIN_ID = "org.eclipse.emf.ecp.view.context"; //$NON-NLS-1$

-

-	/** The instance. */

-	private static Activator instance;

-

-	/**

-	 * Default constructor.

-	 */

-	public Activator() {

-	}

-

-	// BEGIN SUPRESS CATCH EXCEPTION

-	/**

-	 * {@inheritDoc}

-	 * 

-	 * @see org.eclipse.core.runtime.Plugin#start(org.osgi.framework.BundleContext)

-	 */

-	@Override

-	public void start(BundleContext bundleContext) throws Exception {

-		super.start(bundleContext);

-		instance = this;

-	}

-

-	/**

-	 * {@inheritDoc}

-	 * 

-	 * @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)

-	 */

-	@Override

-	public void stop(BundleContext bundleContext) throws Exception {

-		instance = null;

-		super.stop(bundleContext);

-	}

-

-	// END SUPRESS CATCH EXCEPTION

-	/**

-	 * Returns the instance of this Activator.

-	 * 

-	 * @return the saved instance

-	 */

-	public static Activator getInstance() {

-		return instance;

-	}

-

-	/**

-	 * Logs a {@link Throwable}.

-	 * 

-	 * @param t the {@link Throwable} to log

-	 */

-	public static void log(Throwable t) {

-		getInstance().getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, t.getMessage(), t));

-	}

-

-}

+/*******************************************************************************
+ * Copyright (c) 2011-2013 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:
+ * Eugen Neufeld - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.internal.context;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Plugin;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.emf.ecp.view.model.common.internal.reporting.ReportServiceImpl;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+
+/**
+ * The Class Activator.
+ */
+public class Activator extends Plugin {
+
+	/**
+	 * The constant holding the id of this plugin.
+	 */
+	public static final String PLUGIN_ID = "org.eclipse.emf.ecp.view.context"; //$NON-NLS-1$
+
+	/** The instance. */
+	private static Activator instance;
+
+	private ServiceReference<ReportService> reportServiceReference;
+
+	/**
+	 * Default constructor.
+	 */
+	public Activator() {
+	}
+
+	// BEGIN SUPRESS CATCH EXCEPTION
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.core.runtime.Plugin#start(org.osgi.framework.BundleContext)
+	 */
+	@Override
+	public void start(BundleContext bundleContext) throws Exception {
+		super.start(bundleContext);
+		bundleContext.registerService(ReportService.class, new ReportServiceImpl(), null);
+		instance = this;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
+	 */
+	@Override
+	public void stop(BundleContext bundleContext) throws Exception {
+		instance = null;
+		super.stop(bundleContext);
+	}
+
+	// END SUPRESS CATCH EXCEPTION
+	/**
+	 * Returns the instance of this Activator.
+	 * 
+	 * @return the saved instance
+	 */
+	public static Activator getInstance() {
+		return instance;
+	}
+
+	/**
+	 * Logs a {@link Throwable}.
+	 * 
+	 * @param t the {@link Throwable} to log
+	 */
+	public static void log(Throwable t) {
+		getInstance().getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, t.getMessage(), t));
+	}
+
+	/**
+	 * Logs a {@link ReportEntity}.
+	 * 
+	 * @param report
+	 *            the {@link ReportEntity} to be logged
+	 */
+	public static void log(ReportEntity report) {
+		getInstance().getLog().log(
+			new Status(IStatus.ERROR, // TODO RS: always ERROR?
+				PLUGIN_ID,
+				report.getMessage(),
+				report.getException()));
+	}
+
+	/**
+	 * Returns the {@link ReportService}.
+	 * 
+	 * @return the {@link ReportService}
+	 */
+	public ReportService getReportService() {
+		if (reportServiceReference == null) {
+			reportServiceReference = instance.getBundle().getBundleContext()
+				.getServiceReference(ReportService.class);
+		}
+		return instance.getBundle().getBundleContext().getService(reportServiceReference);
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/internal/context/ViewModelContextImpl.java b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/internal/context/ViewModelContextImpl.java
index e9b6b9135f..c2bd1c9b73 100644
--- a/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/internal/context/ViewModelContextImpl.java
+++ b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/internal/context/ViewModelContextImpl.java
@@ -39,6 +39,7 @@ import org.eclipse.emf.ecore.resource.ResourceSet;
 import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
 import org.eclipse.emf.ecore.util.EContentAdapter;
 import org.eclipse.emf.ecp.common.UniqueSetting;
+import org.eclipse.emf.ecp.view.model.common.internal.reporting.ViewModelServiceNotAvailableError;
 import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
 import org.eclipse.emf.ecp.view.spi.context.ViewModelService;
 import org.eclipse.emf.ecp.view.spi.model.DomainModelReferenceChangeListener;
@@ -59,8 +60,6 @@ import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
  */
 public class ViewModelContextImpl implements ViewModelContext {
 
-	private static final String NO_VIEW_SERVICE_OF_TYPE_FOUND = "No view service of type '%1$s' found."; //$NON-NLS-1$
-
 	private static final String MODEL_CHANGE_LISTENER_MUST_NOT_BE_NULL = "ModelChangeAddRemoveListener must not be null."; //$NON-NLS-1$
 
 	private static final String THE_VIEW_MODEL_CONTEXT_WAS_ALREADY_DISPOSED = "The ViewModelContext was already disposed."; //$NON-NLS-1$
@@ -484,8 +483,11 @@ public class ViewModelContextImpl implements ViewModelContext {
 				return (T) service;
 			}
 		}
-		Activator.log(new IllegalArgumentException(String.format(NO_VIEW_SERVICE_OF_TYPE_FOUND,
-			serviceType.getCanonicalName())));
+
+		Activator.getInstance()
+			.getReportService()
+			.report(new ViewModelServiceNotAvailableError<T>(serviceType));
+
 		return null;
 	}
 
diff --git a/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/internal/reporting/LogConsumer.java b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/internal/reporting/LogConsumer.java
new file mode 100644
index 0000000000..06ce658fe9
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/internal/reporting/LogConsumer.java
@@ -0,0 +1,35 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.model.common.internal.reporting;
+
+import org.eclipse.emf.ecp.view.internal.context.Activator;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportServiceConsumer;
+
+/**
+ * A {@link ReportServiceConsumer} that logs all all received {@code ReportEntities}.
+ * 
+ * @author emueller
+ */
+public class LogConsumer implements ReportServiceConsumer {
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportServiceConsumer#reported(org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity)
+	 */
+	@Override
+	public void reported(ReportEntity reportEntity) {
+		Activator.log(reportEntity);
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/internal/reporting/ReportServiceImpl.java b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/internal/reporting/ReportServiceImpl.java
new file mode 100644
index 0000000000..29a5711e1a
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/internal/reporting/ReportServiceImpl.java
@@ -0,0 +1,89 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.model.common.internal.reporting;
+
+import java.util.ArrayList;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportServiceConsumer;
+
+/**
+ * Implementation of a {@link ReportService}.
+ * 
+ * @author emueller
+ */
+public class ReportServiceImpl implements ReportService {
+
+	private final List<ReportEntity> reports;
+	private final Set<ReportServiceConsumer> consumers;
+
+	/**
+	 * Constructor.
+	 */
+	public ReportServiceImpl() {
+		reports = new ArrayList<ReportEntity>();
+		consumers = new LinkedHashSet<ReportServiceConsumer>();
+	}
+
+	/**
+	 * Report an {@link ReportEntity} to the service.
+	 * 
+	 * @param reportEntity
+	 *            the report entity
+	 */
+	@Override
+	public void report(ReportEntity reportEntity) {
+		reports.add(reportEntity);
+	}
+
+	/**
+	 * Returns all ReportEntities.
+	 * 
+	 * @return all ReportEntities
+	 */
+	@Override
+	public List<ReportEntity> getReports() {
+		return reports;
+	}
+
+	/**
+	 * Discards all ReportEntities.
+	 */
+	@Override
+	public void clearReports() {
+		reports.clear();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService#addConsumer(org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportServiceConsumer)
+	 */
+	@Override
+	public void addConsumer(ReportServiceConsumer consumer) {
+		consumers.add(consumer);
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService#removeConsumer(org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportServiceConsumer)
+	 */
+	@Override
+	public void removeConsumer(ReportServiceConsumer consumer) {
+		consumers.remove(consumer);
+	}
+}
\ No newline at end of file
diff --git a/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/internal/reporting/ViewModelServiceNotAvailableError.java b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/internal/reporting/ViewModelServiceNotAvailableError.java
new file mode 100644
index 0000000000..907e270b36
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/internal/reporting/ViewModelServiceNotAvailableError.java
@@ -0,0 +1,78 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.model.common.internal.reporting;
+
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity;
+
+/**
+ * Indicates that {@link org.eclipse.emf.ecp.view.spi.context.ViewModelService ViewModelService} is not available.
+ * 
+ * @author emueller
+ * 
+ * @param <T> The type of the unavailable service
+ */
+public class ViewModelServiceNotAvailableError<T> implements ReportEntity {
+
+	private static final String NO_VIEW_SERVICE_OF_TYPE_FOUND = "No view service of type '%1$s' found."; //$NON-NLS-1$
+	private final Class<T> serviceType;
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param serviceType
+	 *            the type of the unavailable service
+	 */
+	public ViewModelServiceNotAvailableError(Class<T> serviceType) {
+		this.serviceType = serviceType;
+	}
+
+	/**
+	 * Returns the type of the unavailable service.
+	 * 
+	 * @return the type of the unavailable service
+	 */
+	public Class<T> getServiceType() {
+		return serviceType;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getMessage()
+	 */
+	@Override
+	public String getMessage() {
+		return String.format(
+			NO_VIEW_SERVICE_OF_TYPE_FOUND, getServiceType().getCanonicalName());
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#hasException()
+	 */
+	@Override
+	public boolean hasException() {
+		return false;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportEntity#getException()
+	 */
+	@Override
+	public <E extends Exception> E getException() {
+		return null;
+	}
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/spi/reporting/ReportEntity.java b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/spi/reporting/ReportEntity.java
new file mode 100644
index 0000000000..178bebc0e9
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/spi/reporting/ReportEntity.java
@@ -0,0 +1,47 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.model.common.spi.reporting;
+
+/**
+ * Common base type for reports that may be reported to the
+ * {@link org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService ReportService}.
+ * 
+ * @author emueller
+ * 
+ */
+public interface ReportEntity {
+
+	/**
+	 * Returns a message.
+	 * 
+	 * @return the message
+	 */
+	String getMessage();
+
+	/**
+	 * Whether this report is based upon an exception.
+	 * 
+	 * @return {@code true}, if this report is based upon an exception, {@code false} otherwise
+	 */
+	boolean hasException();
+
+	/**
+	 * Returns the exception this report is based on, if any.
+	 * 
+	 * @return the exception this report is based on, if any, otherwise {@code null}
+	 * 
+	 * @param <T> the type of the exception
+	 * 
+	 * @see #hasException()
+	 */
+	<T extends Exception> T getException();
+}
diff --git a/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/spi/reporting/ReportService.java b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/spi/reporting/ReportService.java
new file mode 100644
index 0000000000..6b493263bb
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/spi/reporting/ReportService.java
@@ -0,0 +1,59 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.model.common.spi.reporting;
+
+import java.util.List;
+
+/**
+ * Service for reporting and aggregating errors.
+ * 
+ * @author emueller
+ */
+public interface ReportService {
+
+	/**
+	 * Report an {@link ReportEntity} to the service.
+	 * 
+	 * @param reportEntity
+	 *            the report entity
+	 */
+	void report(ReportEntity reportEntity);
+
+	/**
+	 * Returns all ReportEntities.
+	 * 
+	 * @return all ReportEntities
+	 */
+	List<ReportEntity> getReports();
+
+	/**
+	 * Discards all ReportEntities.
+	 */
+	void clearReports();
+
+	/**
+	 * Adds a {@link ReportServiceConsumer} that consumes {@code ReportEntities}.
+	 * 
+	 * @param consumer
+	 *            a {@link ReportServiceConsumer}
+	 */
+	void addConsumer(ReportServiceConsumer consumer);
+
+	/**
+	 * Removes a {@link ReportServiceConsumer}.
+	 * 
+	 * @param consumer
+	 *            the consumer to be removed
+	 */
+	void removeConsumer(ReportServiceConsumer consumer);
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/spi/reporting/ReportServiceConsumer.java b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/spi/reporting/ReportServiceConsumer.java
new file mode 100644
index 0000000000..64f009ed9e
--- /dev/null
+++ b/bundles/org.eclipse.emf.ecp.view.context/src/org/eclipse/emf/ecp/view/model/common/spi/reporting/ReportServiceConsumer.java
@@ -0,0 +1,32 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.model.common.spi.reporting;
+
+/**
+ * Common base types for any {@link ReportEntity} consumer that may
+ * be added to the {@link ReportService} in order to be notified.
+ * 
+ * @author emueller
+ * 
+ */
+public interface ReportServiceConsumer {
+
+	/**
+	 * Called when a {@link ReportEntity} has been received
+	 * by the {@link ReportService}.
+	 * 
+	 * @param reportEntity
+	 *            the received {@link ReportEntity}
+	 */
+	void reported(ReportEntity reportEntity);
+
+}
diff --git a/bundles/org.eclipse.emf.ecp.view.core.swt/META-INF/MANIFEST.MF b/bundles/org.eclipse.emf.ecp.view.core.swt/META-INF/MANIFEST.MF
index f8f32a8cc9..17add87c53 100644
--- a/bundles/org.eclipse.emf.ecp.view.core.swt/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.emf.ecp.view.core.swt/META-INF/MANIFEST.MF
@@ -26,10 +26,10 @@ Import-Package: org.eclipse.jface.databinding.swt;version="0.0.0",
  org.eclipse.swt.graphics;version="0.0.0",
  org.eclipse.swt.layout;version="0.0.0",
  org.eclipse.swt.widgets;version="0.0.0"
-Export-Package: org.eclipse.emf.ecp.view.internal.core.swt;version="1.
- 5.0";x-internal:=true,org.eclipse.emf.ecp.view.internal.core.swt.rend
- erer;version="1.5.0";x-friends:="org.eclipse.emf.ecp.ui.view.editor.c
- ontrols",org.eclipse.emf.ecp.view.spi.core.swt;version="1.5.0"; uses:
- ="org.eclipse.emf.ecp.ui.view.swt.internal,  org.eclipse.emf.ecp.view
- .spi.model,  org.eclipse.swt.widgets,  org.eclipse.emf.ecp.view.spi.c
- ontext"
+Export-Package: org.eclipse.emf.ecp.view.internal.core.swt;version="1.5.0";x-internal:=true,
+ org.eclipse.emf.ecp.view.internal.core.swt.renderer;version="1.5.0";x-friends:="org.eclipse.emf.ecp.ui.view.editor.controls,org.eclipse.emf.ecp.view.context.test",
+ org.eclipse.emf.ecp.view.spi.core.swt;version="1.5.0";
+  uses:="org.eclipse.emf.ecp.ui.view.swt.internal,
+   org.eclipse.emf.ecp.view.spi.model,
+   org.eclipse.swt.widgets,
+   org.eclipse.emf.ecp.view.spi.context"
diff --git a/bundles/org.eclipse.emf.ecp.view.custom.ui.swt/src/org/eclipse/emf/ecp/view/internal/custom/swt/Activator.java b/bundles/org.eclipse.emf.ecp.view.custom.ui.swt/src/org/eclipse/emf/ecp/view/internal/custom/swt/Activator.java
index b31bb31f45..9788061302 100644
--- a/bundles/org.eclipse.emf.ecp.view.custom.ui.swt/src/org/eclipse/emf/ecp/view/internal/custom/swt/Activator.java
+++ b/bundles/org.eclipse.emf.ecp.view.custom.ui.swt/src/org/eclipse/emf/ecp/view/internal/custom/swt/Activator.java
@@ -1,117 +1,132 @@
-/*******************************************************************************

- * Copyright (c) 2011-2013 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:

- * Eugen Neufeld - initial API and implementation

- ******************************************************************************/

-package org.eclipse.emf.ecp.view.internal.custom.swt;

-

-import org.eclipse.core.runtime.IStatus;

-import org.eclipse.core.runtime.Plugin;

-import org.eclipse.core.runtime.Status;

-import org.eclipse.emf.ecp.edit.spi.ECPControlFactory;

-import org.eclipse.swt.graphics.Image;

-import org.osgi.framework.BundleContext;

-import org.osgi.framework.ServiceReference;

-

-/**

- * The activator class controls the plug-in life cycle.

- */

-@SuppressWarnings("deprecation")

-public class Activator extends Plugin {

-

-	/** The plug-in ID. */

-	public static final String PLUGIN_ID = "org.eclipse.emf.ecp.ui.view.custom.swt"; //$NON-NLS-1$

-

-	// The shared instance

-	private static Activator plugin;

-

-	/**

-	 * The constructor.

-	 */

-	public Activator() {

-	}

-

-	/*

-	 * (non-Javadoc)

-	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)

-	 */

-	@Override

-	public void start(BundleContext context) throws Exception {

-		super.start(context);

-		plugin = this;

-	}

-

-	/*

-	 * (non-Javadoc)

-	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)

-	 */

-	@Override

-	public void stop(BundleContext context) throws Exception {

-		plugin = null;

-		super.stop(context);

-	}

-

-	/**

-	 * Returns the shared instance.

-	 * 

-	 * @return the shared instance

-	 */

-	public static Activator getDefault() {

-		return plugin;

-	}

-

-	// Not API, delegating to reuse same images

-	/**

-	 * Get an Image based on an path. This just delegates to

-	 * {@link org.eclipse.emf.ecp.edit.internal.swt.Activator#getImage(String)}.

-	 * 

-	 * @param path the path of the image to load

-	 * @return the loaded image

-	 */

-	@SuppressWarnings("restriction")

-	public static Image getImage(String path) {

-		return org.eclipse.emf.ecp.edit.internal.swt.Activator.getImage(path);

-

-	}

-

-	/**

-	 * Helper for logging {@link Throwable Throwables}.

-	 * 

-	 * @param throwable the {@link Throwable} to log

-	 */

-	public static void log(Throwable throwable) {

-		plugin.getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, throwable.getMessage(), throwable));

-	}

-

-	private ServiceReference<ECPControlFactory> controlFactoryReference;

-

-	/**

-	 * Returns the {@link ECPControlFactory}.

-	 * 

-	 * @return the {@link ECPControlFactory}

-	 */

-	public ECPControlFactory getECPControlFactory() {

-		if (controlFactoryReference == null) {

-			controlFactoryReference = plugin.getBundle().getBundleContext()

-				.getServiceReference(ECPControlFactory.class);

-		}

-		return plugin.getBundle().getBundleContext().getService(controlFactoryReference);

-	}

-

-	/**

-	 * Frees the {@link ECPControlFactory} from use, allowing the OSGi Bundle to be shutdown.

-	 */

-	public void ungetECPControlFactory() {

-		if (controlFactoryReference == null) {

-			return;

-		}

-		plugin.getBundle().getBundleContext().ungetService(controlFactoryReference);

-		controlFactoryReference = null;

-	}

-}

+/*******************************************************************************
+ * Copyright (c) 2011-2013 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:
+ * Eugen Neufeld - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.internal.custom.swt;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Plugin;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.emf.ecp.edit.spi.ECPControlFactory;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService;
+import org.eclipse.swt.graphics.Image;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+
+/**
+ * The activator class controls the plug-in life cycle.
+ */
+@SuppressWarnings("deprecation")
+public class Activator extends Plugin {
+
+	/** The plug-in ID. */
+	public static final String PLUGIN_ID = "org.eclipse.emf.ecp.ui.view.custom.swt"; //$NON-NLS-1$
+
+	// The shared instance
+	private static Activator plugin;
+
+	/**
+	 * The constructor.
+	 */
+	public Activator() {
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
+	 */
+	@Override
+	public void start(BundleContext context) throws Exception {
+		super.start(context);
+		plugin = this;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
+	 */
+	@Override
+	public void stop(BundleContext context) throws Exception {
+		plugin = null;
+		super.stop(context);
+	}
+
+	/**
+	 * Returns the shared instance.
+	 * 
+	 * @return the shared instance
+	 */
+	public static Activator getDefault() {
+		return plugin;
+	}
+
+	// Not API, delegating to reuse same images
+	/**
+	 * Get an Image based on an path. This just delegates to
+	 * {@link org.eclipse.emf.ecp.edit.internal.swt.Activator#getImage(String)}.
+	 * 
+	 * @param path the path of the image to load
+	 * @return the loaded image
+	 */
+	@SuppressWarnings("restriction")
+	public static Image getImage(String path) {
+		return org.eclipse.emf.ecp.edit.internal.swt.Activator.getImage(path);
+
+	}
+
+	/**
+	 * Helper for logging {@link Throwable Throwables}.
+	 * 
+	 * @param throwable the {@link Throwable} to log
+	 */
+	public static void log(Throwable throwable) {
+		plugin.getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, throwable.getMessage(), throwable));
+	}
+
+	private ServiceReference<ECPControlFactory> controlFactoryReference;
+	private ServiceReference<ReportService> reportServiceRef;
+
+	/**
+	 * Returns the {@link ECPControlFactory}.
+	 * 
+	 * @return the {@link ECPControlFactory}
+	 */
+	public ECPControlFactory getECPControlFactory() {
+		if (controlFactoryReference == null) {
+			controlFactoryReference = plugin.getBundle().getBundleContext()
+				.getServiceReference(ECPControlFactory.class);
+		}
+		return plugin.getBundle().getBundleContext().getService(controlFactoryReference);
+	}
+
+	/**
+	 * Returns the {@link ReportService}.
+	 * 
+	 * @return the {@link ECPControlFactory}
+	 */
+	public ReportService getReportService() {
+		if (reportServiceRef == null) {
+			reportServiceRef = plugin.getBundle().getBundleContext()
+				.getServiceReference(ReportService.class);
+		}
+		return plugin.getBundle().getBundleContext().getService(reportServiceRef);
+	}
+
+	/**
+	 * Frees the {@link ECPControlFactory} from use, allowing the OSGi Bundle to be shutdown.
+	 */
+	public void ungetECPControlFactory() {
+		if (controlFactoryReference == null) {
+			return;
+		}
+		plugin.getBundle().getBundleContext().ungetService(controlFactoryReference);
+		controlFactoryReference = null;
+	}
+}
diff --git a/bundles/org.eclipse.emf.ecp.view.custom.ui.swt/src/org/eclipse/emf/ecp/view/spi/custom/swt/CustomControlSWTRenderer.java b/bundles/org.eclipse.emf.ecp.view.custom.ui.swt/src/org/eclipse/emf/ecp/view/spi/custom/swt/CustomControlSWTRenderer.java
index 75eb341b21..16b70a13e7 100644
--- a/bundles/org.eclipse.emf.ecp.view.custom.ui.swt/src/org/eclipse/emf/ecp/view/spi/custom/swt/CustomControlSWTRenderer.java
+++ b/bundles/org.eclipse.emf.ecp.view.custom.ui.swt/src/org/eclipse/emf/ecp/view/spi/custom/swt/CustomControlSWTRenderer.java
@@ -1,11 +1,11 @@
 /*******************************************************************************
  * Copyright (c) 2011-2014 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:
  * Eugen - initial API and implementation
  ******************************************************************************/
@@ -14,12 +14,15 @@ package org.eclipse.emf.ecp.view.spi.custom.swt;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.emf.ecp.edit.internal.swt.util.SWTValidationHelper;
 import org.eclipse.emf.ecp.internal.edit.EditMessages;
+import org.eclipse.emf.ecp.view.internal.custom.swt.Activator;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService;
 import org.eclipse.emf.ecp.view.spi.custom.model.VCustomControl;
 import org.eclipse.emf.ecp.view.spi.renderer.NoPropertyDescriptorFoundExeption;
 import org.eclipse.emf.ecp.view.spi.renderer.NoRendererFoundException;
 import org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer;
 import org.eclipse.emf.ecp.view.spi.swt.layout.SWTGridCell;
 import org.eclipse.emf.ecp.view.spi.swt.layout.SWTGridDescription;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.CustomControlInitFailedError;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Composite;
@@ -30,7 +33,7 @@ import org.osgi.framework.Bundle;
 
 /**
  * The renderer for custom control view models.
- *
+ * 
  * @author Eugen Neufeld
  * @since 1.3
  */
@@ -41,7 +44,7 @@ public class CustomControlSWTRenderer extends AbstractSWTRenderer<VCustomControl
 
 	/**
 	 * {@inheritDoc}
-	 *
+	 * 
 	 * @see org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer#preInit()
 	 */
 	@Override
@@ -50,7 +53,10 @@ public class CustomControlSWTRenderer extends AbstractSWTRenderer<VCustomControl
 		final VCustomControl customControl = getVElement();
 		swtCustomControl = loadCustomControl(customControl);
 		if (swtCustomControl == null) {
-			// TODO
+			final ReportService reportService = Activator.getDefault().getReportService();
+			reportService.report(new CustomControlInitFailedError(
+				customControl.getBundleName(), customControl.getClassName()));
+			// TODO: RS
 			throw new IllegalStateException(String.format("The  %1$s/%2$s cannot be loaded!", //$NON-NLS-1$
 				customControl.getBundleName(), customControl.getClassName()));
 		}
@@ -59,7 +65,7 @@ public class CustomControlSWTRenderer extends AbstractSWTRenderer<VCustomControl
 
 	/**
 	 * Loads and returns the {@link ECPAbstractCustomControlSWT} that is referenced by the {@link VCustomControl}.
-	 *
+	 * 
 	 * @param customControl the custom control view model
 	 * @return the swt renderer
 	 * @since 1.4
@@ -105,7 +111,7 @@ public class CustomControlSWTRenderer extends AbstractSWTRenderer<VCustomControl
 
 	/**
 	 * {@inheritDoc}
-	 *
+	 * 
 	 * @see org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer#dispose()
 	 */
 	@Override
@@ -116,7 +122,7 @@ public class CustomControlSWTRenderer extends AbstractSWTRenderer<VCustomControl
 
 	/**
 	 * {@inheritDoc}
-	 *
+	 * 
 	 * @see org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer#getGridDescription(SWTGridDescription)
 	 */
 	@Override
@@ -129,15 +135,15 @@ public class CustomControlSWTRenderer extends AbstractSWTRenderer<VCustomControl
 	}
 
 	/**
-	 *
+	 * 
 	 * {@inheritDoc}
-	 *
+	 * 
 	 * @see org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer#renderControl(org.eclipse.emf.ecp.view.spi.swt.layout.SWTGridCell,
 	 *      org.eclipse.swt.widgets.Composite)
 	 */
 	@Override
 	protected Control renderControl(SWTGridCell cell, Composite parent) throws NoRendererFoundException,
-	NoPropertyDescriptorFoundExeption {
+		NoPropertyDescriptorFoundExeption {
 		return swtCustomControl.renderControl(cell, parent);
 	}
 
diff --git a/bundles/org.eclipse.emf.ecp.view.model.common/META-INF/MANIFEST.MF b/bundles/org.eclipse.emf.ecp.view.model.common/META-INF/MANIFEST.MF
index f22d0eca74..24a10fb6e3 100644
--- a/bundles/org.eclipse.emf.ecp.view.model.common/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.emf.ecp.view.model.common/META-INF/MANIFEST.MF
@@ -8,13 +8,11 @@ Bundle-Vendor: Eclipse Modeling Project
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Import-Package: org.osgi.framework;version="1.3.0"
 Bundle-ActivationPolicy: lazy
-Export-Package: org.eclipse.emf.ecp.view.internal.model.common;version
- ="1.5.0";x-internal:=true,org.eclipse.emf.ecp.view.model.common;versi
- on="1.5.0",org.eclipse.emf.ecp.view.model.common.edit.provider;versio
- n="1.5.0",org.eclipse.emf.ecp.view.model.common.internal.databinding;
- version="1.5.0";x-friends:="org.eclipse.emf.ecp.view.mappingdmr.datab
- inding",org.eclipse.emf.ecp.view.model.common.spi.databinding;version
- ="1.5.0"
+Export-Package: org.eclipse.emf.ecp.view.internal.model.common;version="1.5.0";x-internal:=true,
+ org.eclipse.emf.ecp.view.model.common;version="1.5.0",
+ org.eclipse.emf.ecp.view.model.common.edit.provider;version="1.5.0",
+ org.eclipse.emf.ecp.view.model.common.internal.databinding;version="1.5.0";x-friends:="org.eclipse.emf.ecp.view.mappingdmr.databinding",
+ org.eclipse.emf.ecp.view.model.common.spi.databinding;version="1.5.0"
 Require-Bundle: org.eclipse.core.runtime;bundle-version="[3.7.0,4.0.0)",
  org.eclipse.emf.ecp.view.context;bundle-version="[1.4.0,2.0.0)",
  org.eclipse.emf.ecp.view.model;bundle-version="[1.4.0,2.0.0)",
diff --git a/tests/org.eclipse.emf.ecp.view.context.test/META-INF/MANIFEST.MF b/tests/org.eclipse.emf.ecp.view.context.test/META-INF/MANIFEST.MF
index 327310949f..4394709d86 100644
--- a/tests/org.eclipse.emf.ecp.view.context.test/META-INF/MANIFEST.MF
+++ b/tests/org.eclipse.emf.ecp.view.context.test/META-INF/MANIFEST.MF
@@ -8,6 +8,12 @@ Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Bundle-Vendor: Eclipse Modeling Project
 Require-Bundle: org.junit;bundle-version="[4.0.0,5.0.0)",
  org.eclipse.emf.emfstore.examplemodel;bundle-version="[1.3.0,2.0.0)",
- org.eclipse.emf.ecp.view.table.model;bundle-version="[1.4.0,2.0.0)"
-Export-Package: org.eclipse.emf.ecp.view.context;version="1.5.0";x-int
- ernal:=true
+ org.eclipse.emf.ecp.view.table.model;bundle-version="[1.4.0,2.0.0)",
+ org.eclipse.emf.ecp.ui.view.swt;bundle-version="[1.5.0,2.0.0)",
+ org.eclipse.emf.ecp.view.test.common.swt;bundle-version="[1.5.0,2.0.0)",
+ org.eclipse.emf.ecp.view.core.swt;bundle-version="[1.5.0,2.0.0)",
+ org.hamcrest.library;bundle-version="[1.3.0,2.0.0)"
+Export-Package: org.eclipse.emf.ecp.view.context;version="1.5.0";x-internal:=true,
+ org.eclipse.emf.ecp.view.context.test;version="1.5.0",
+ org.eclipse.emf.ecp.view.context.test.mockup;version="1.5.0"
+Import-Package: org.eclipse.swt.widgets
diff --git a/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/RendererErrorTest.java b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/RendererErrorTest.java
new file mode 100644
index 0000000000..a4ee0ed2f4
--- /dev/null
+++ b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/RendererErrorTest.java
@@ -0,0 +1,205 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.context.test;
+
+import static org.hamcrest.CoreMatchers.instanceOf;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.hasSize;
+import static org.junit.Assert.assertEquals;
+
+import java.util.Map;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecp.ui.view.ECPRendererException;
+import org.eclipse.emf.ecp.view.context.test.mockup.MockViewSWTRenderer;
+import org.eclipse.emf.ecp.view.internal.context.Activator;
+import org.eclipse.emf.ecp.view.internal.core.swt.renderer.ViewSWTRenderer;
+import org.eclipse.emf.ecp.view.internal.provider.ViewProviderImpl;
+import org.eclipse.emf.ecp.view.model.common.spi.reporting.ReportService;
+import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
+import org.eclipse.emf.ecp.view.spi.context.ViewModelContextFactory;
+import org.eclipse.emf.ecp.view.spi.model.VElement;
+import org.eclipse.emf.ecp.view.spi.model.VView;
+import org.eclipse.emf.ecp.view.spi.provider.IViewProvider;
+import org.eclipse.emf.ecp.view.spi.provider.NoViewProviderError;
+import org.eclipse.emf.ecp.view.spi.provider.ViewModelIsNullError;
+import org.eclipse.emf.ecp.view.spi.provider.ViewProviderHelper;
+import org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.AmbiguousRendererPriorityError;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.InvalidGridDescriptionError;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.NoRendererFoundError;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.NoRenderingPossibleError;
+import org.eclipse.emf.ecp.view.spi.swt.reporting.RendererInitFailedError;
+import org.eclipse.emf.ecp.view.test.common.swt.DatabindingClassRunner;
+import org.eclipse.emf.ecp.view.test.common.swt.SWTViewTestHelper;
+import org.eclipse.emf.emfstore.bowling.BowlingFactory;
+import org.eclipse.emf.emfstore.bowling.League;
+import org.eclipse.swt.widgets.Shell;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/**
+ * Unit test for renderer error aggregation service.
+ * 
+ * @author emueller
+ */
+@RunWith(DatabindingClassRunner.class)
+public class RendererErrorTest {
+
+	private Shell shell;
+	private League league;
+	private VView view;
+	private ViewModelContext viewContext;
+	private ReportService reportService;
+	private TestSWTRendererFactory swtViewTestHelper;
+
+	@Before
+	public void before() {
+		shell = SWTViewTestHelper.createShell();
+		swtViewTestHelper = new TestSWTRendererFactory();
+		league = BowlingFactory.eINSTANCE.createLeague();
+		view = ViewProviderHelper.getView(league, null);
+		viewContext = ViewModelContextFactory.INSTANCE.createViewModelContext(view, league);
+		reportService = Activator.getInstance().getReportService();
+	}
+
+	@After
+	public void after() {
+		reportService.clearReports();
+	}
+
+	@Ignore
+	@Test
+	public void noErrors() throws ECPRendererException {
+		swtViewTestHelper.render(shell, viewContext);
+		assertEquals(0, reportService.getReports().size());
+	}
+
+	@Test
+	public void missingRenderer() throws ECPRendererException {
+		swtViewTestHelper.clearRenderers();
+		swtViewTestHelper.render(shell, viewContext);
+		assertThat(reportService.getReports(), hasSize(1));
+		assertThat(reportService.getReports().get(0), instanceOf(NoRendererFoundError.class));
+	}
+
+	@Test
+	public void rendererInit() throws ECPRendererException {
+		final ViewSWTRenderer failingInitRenderer = new ViewSWTRenderer() {
+			@Override
+			protected void postInit() {
+				throw new RuntimeException();
+			}
+		};
+
+		swtViewTestHelper.registerRenderer(3, cast(failingInitRenderer.getClass()), VView.class);
+
+		swtViewTestHelper.render(shell, viewContext);
+		assertThat(reportService.getReports(), hasSize(1));
+		assertThat(reportService.getReports().get(0), instanceOf(RendererInitFailedError.class));
+	}
+
+	@Test
+	public void samePriorityRenderers() throws ECPRendererException {
+		// modifiableSWTViewTestHelper.clearRenderers();
+
+		final ViewSWTRenderer viewRenderer = new ViewSWTRenderer();
+
+		swtViewTestHelper.registerRenderer(1, cast(viewRenderer.getClass()), VView.class);
+
+		swtViewTestHelper.render(shell, viewContext);
+		assertThat(reportService.getReports(), hasSize(1));
+		assertThat(reportService.getReports().get(0), instanceOf(AmbiguousRendererPriorityError.class));
+	}
+
+	@Test
+	public void invalidGridDescription() throws ECPRendererException {
+		swtViewTestHelper.replaceViewRenderer(1, cast(
+			MockViewSWTRenderer.withInvalidGridDescription().getClass()), VView.class);
+		swtViewTestHelper.render(shell, viewContext);
+		assertThat(reportService.getReports(), hasSize(1));
+		assertThat(reportService.getReports().get(0), instanceOf(InvalidGridDescriptionError.class));
+	}
+
+	@Test
+	public void noRendererFound() throws ECPRendererException {
+		swtViewTestHelper.replaceViewRenderer(1, cast(
+			MockViewSWTRenderer.withoutPropertyDescriptor().getClass()), VView.class);
+
+		swtViewTestHelper.render(shell, viewContext);
+		assertThat(reportService.getReports(), hasSize(1));
+		assertThat(reportService.getReports().get(0), instanceOf(NoRenderingPossibleError.class));
+	}
+
+	@Test
+	public void noPropertyDescriptorFound() throws ECPRendererException {
+		swtViewTestHelper.replaceViewRenderer(1, cast(
+			MockViewSWTRenderer.withoutPropertyDescriptor().getClass()), VView.class);
+
+		swtViewTestHelper.render(shell, viewContext);
+		assertThat(reportService.getReports(), hasSize(1));
+		assertThat(reportService.getReports().get(0), instanceOf(NoRenderingPossibleError.class));
+	}
+
+	@Test
+	public void viewProviderReturnsNullView() {
+		final ViewProviderImpl viewProvider = new ViewProviderImpl(false);
+		viewProvider.clearProviders();
+		viewProvider.addProvider(new IViewProvider() {
+			@Override
+			public VView generate(EObject eObject, Map<String, Object> context) {
+				return null;
+			}
+
+			@Override
+			public int canRender(EObject eObject, Map<String, Object> context) {
+				return 0;
+			}
+		});
+		viewProvider.getView(league, null);
+		assertThat(reportService.getReports(), hasSize(1));
+		assertThat(reportService.getReports().get(0), instanceOf(ViewModelIsNullError.class));
+	}
+
+	@Test
+	public void noViewProvider() {
+		final ViewProviderImpl viewProvider = new ViewProviderImpl(false);
+
+		viewProvider.clearProviders();
+		viewProvider.getView(league, null);
+		assertThat(reportService.getReports(), hasSize(1));
+		assertThat(reportService.getReports().get(0), instanceOf(NoViewProviderError.class));
+	}
+
+	@Test
+	public void noViewProviderInitFailed() {
+		final ViewProviderImpl viewProvider = new ViewProviderImpl(false);
+
+		viewProvider.clearProviders();
+		viewProvider.getView(league, null);
+		assertThat(reportService.getReports(), hasSize(1));
+		assertThat(reportService.getReports().get(0), instanceOf(NoViewProviderError.class));
+	}
+
+	// @Test
+	// public void initCustomControlFailed() {
+	//
+	// }
+
+	@SuppressWarnings({ "unchecked" })
+	private Class<AbstractSWTRenderer<VElement>> cast(Class<?> clazz) {
+		return (Class<AbstractSWTRenderer<VElement>>) clazz;
+	}
+}
diff --git a/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/SWTTestRendererFactoryImpl.java b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/SWTTestRendererFactoryImpl.java
new file mode 100644
index 0000000000..58c9c1bcbc
--- /dev/null
+++ b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/SWTTestRendererFactoryImpl.java
@@ -0,0 +1,46 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.context.test;
+
+import java.util.Iterator;
+
+import org.eclipse.emf.ecp.view.internal.core.swt.renderer.ViewSWTRenderer;
+import org.eclipse.emf.ecp.view.internal.swt.ECPRendererDescription;
+import org.eclipse.emf.ecp.view.internal.swt.SWTRendererFactoryImpl;
+
+class SWTTestRendererFactoryImpl extends SWTRendererFactoryImpl {
+
+	public void clearRenderers() {
+		getRendererDescriptors().clear();
+	}
+
+	public void registerRenderer(ECPRendererDescription descriptor) {
+		getRendererDescriptors().add(descriptor);
+	}
+
+	public void replaceViewRenderer(ECPRendererDescription newDescription) {
+
+		final Iterator<ECPRendererDescription> iterator = getRendererDescriptors().iterator();
+
+		ECPRendererDescription oldRenderer = null;
+		while (iterator.hasNext()) {
+			final ECPRendererDescription next = iterator.next();
+			if (next.getRenderer().equals(ViewSWTRenderer.class)) {
+				oldRenderer = next;
+				break;
+			}
+		}
+
+		getRendererDescriptors().remove(oldRenderer);
+		getRendererDescriptors().add(newDescription);
+	}
+}
\ No newline at end of file
diff --git a/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/TestSWTRendererFactory.java b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/TestSWTRendererFactory.java
new file mode 100644
index 0000000000..d0162ee941
--- /dev/null
+++ b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/TestSWTRendererFactory.java
@@ -0,0 +1,76 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.context.test;
+
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+import org.eclipse.emf.ecp.ui.view.ECPRendererException;
+import org.eclipse.emf.ecp.ui.view.swt.ECPSWTView;
+import org.eclipse.emf.ecp.view.internal.swt.ECPRendererDescription;
+import org.eclipse.emf.ecp.view.internal.swt.ECPSWTViewRendererImpl;
+import org.eclipse.emf.ecp.view.model.common.ECPRendererTester;
+import org.eclipse.emf.ecp.view.model.common.ECPStaticRendererTester;
+import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
+import org.eclipse.emf.ecp.view.spi.model.VElement;
+import org.eclipse.emf.ecp.view.spi.swt.AbstractSWTRenderer;
+import org.eclipse.emf.ecp.view.spi.swt.SWTRendererFactory;
+import org.eclipse.swt.widgets.Composite;
+
+/**
+ * SWT Test renderer factory that allows to register and unregister renderers.
+ * 
+ * @author emueller
+ * 
+ */
+public class TestSWTRendererFactory {
+
+	private final SWTTestRendererFactoryImpl factory;
+
+	public TestSWTRendererFactory() {
+		factory = new SWTTestRendererFactoryImpl();
+	}
+
+	public void clearRenderers() {
+		factory.clearRenderers();
+	}
+
+	public ECPSWTView render(Composite parent, ViewModelContext viewModelContext) throws ECPRendererException {
+		final ECPSWTViewRendererImpl renderer = new ECPSWTViewRendererImpl() {
+			@Override
+			protected SWTRendererFactory createFactory() {
+				return factory;
+			}
+		};
+		return renderer.render(parent, viewModelContext);
+	}
+
+	public void registerRenderer(int priority,
+		Class<AbstractSWTRenderer<VElement>> class1,
+		Class<? extends VElement> supportedEObject) {
+
+		final Set<ECPRendererTester> tester = new LinkedHashSet<ECPRendererTester>();
+		tester.add(new ECPStaticRendererTester(priority, supportedEObject));
+		final ECPRendererDescription descriptor = new ECPRendererDescription(class1, tester);
+		factory.registerRenderer(descriptor);
+	}
+
+	public void replaceViewRenderer(int priority, Class<AbstractSWTRenderer<VElement>> class1,
+		Class<? extends VElement> supportedEObject) {
+
+		final Set<ECPRendererTester> tester = new LinkedHashSet<ECPRendererTester>();
+		tester.add(new ECPStaticRendererTester(priority, supportedEObject));
+		final ECPRendererDescription descriptor = new ECPRendererDescription(class1, tester);
+		factory.replaceViewRenderer(descriptor);
+	}
+
+}
diff --git a/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/MockViewSWTRenderer.java b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/MockViewSWTRenderer.java
new file mode 100644
index 0000000000..82ea51be1a
--- /dev/null
+++ b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/MockViewSWTRenderer.java
@@ -0,0 +1,33 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.context.test.mockup;
+
+import org.eclipse.emf.ecp.view.internal.core.swt.renderer.ViewSWTRenderer;
+
+public final class MockViewSWTRenderer {
+
+	private MockViewSWTRenderer() {
+	}
+
+	public static ViewSWTRenderer withInvalidGridDescription() {
+		return new ViewSWTRendererWithInvalidGridDescription();
+	}
+
+	public static ViewSWTRenderer withoutPropertyDescriptor() {
+		return new ViewSWTRendererWithNoPropertyDescriptorFoundException();
+	}
+
+	public static ViewSWTRenderer withoutRenderer() {
+		return new ViewSWTRendererWithNoRendererFoundException();
+	}
+
+}
diff --git a/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/ViewSWTRendererWithInvalidGridDescription.java b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/ViewSWTRendererWithInvalidGridDescription.java
new file mode 100644
index 0000000000..2b4f869e63
--- /dev/null
+++ b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/ViewSWTRendererWithInvalidGridDescription.java
@@ -0,0 +1,25 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.context.test.mockup;
+
+import org.eclipse.emf.ecp.view.internal.core.swt.renderer.ViewSWTRenderer;
+import org.eclipse.emf.ecp.view.spi.swt.layout.GridDescriptionFactory;
+import org.eclipse.emf.ecp.view.spi.swt.layout.SWTGridDescription;
+
+public class ViewSWTRendererWithInvalidGridDescription extends ViewSWTRenderer {
+
+	@Override
+	public SWTGridDescription getGridDescription(
+		SWTGridDescription gridDescription) {
+		return GridDescriptionFactory.INSTANCE.createSimpleGrid(2, 1, this);
+	}
+}
\ No newline at end of file
diff --git a/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/ViewSWTRendererWithNoPropertyDescriptorFoundException.java b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/ViewSWTRendererWithNoPropertyDescriptorFoundException.java
new file mode 100644
index 0000000000..1fe014e79f
--- /dev/null
+++ b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/ViewSWTRendererWithNoPropertyDescriptorFoundException.java
@@ -0,0 +1,34 @@
+/*****************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.context.test.mockup;
+
+import org.eclipse.emf.ecp.view.internal.core.swt.renderer.ViewSWTRenderer;
+import org.eclipse.emf.ecp.view.spi.renderer.NoPropertyDescriptorFoundExeption;
+import org.eclipse.emf.ecp.view.spi.renderer.NoRendererFoundException;
+import org.eclipse.emf.ecp.view.spi.swt.layout.SWTGridCell;
+import org.eclipse.emf.emfstore.bowling.BowlingPackage;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+
+public class ViewSWTRendererWithNoPropertyDescriptorFoundException extends ViewSWTRenderer {
+
+	public ViewSWTRendererWithNoPropertyDescriptorFoundException() {
+
+	}
+
+	@Override
+	public Control render(SWTGridCell cell, Composite parent)
+		throws NoRendererFoundException, NoPropertyDescriptorFoundExeption {
+		throw new NoPropertyDescriptorFoundExeption(getViewModelContext().getDomainModel(),
+			BowlingPackage.eINSTANCE.getLeague_Name());
+	}
+}
\ No newline at end of file
diff --git a/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/ViewSWTRendererWithNoRendererFoundException.java b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/ViewSWTRendererWithNoRendererFoundException.java
new file mode 100644
index 0000000000..1650063040
--- /dev/null
+++ b/tests/org.eclipse.emf.ecp.view.context.test/src/org/eclipse/emf/ecp/view/context/test/mockup/ViewSWTRendererWithNoRendererFoundException.java
@@ -0,0 +1,32 @@
+/*****************************************************************************
+ * Copyright (c) 2011-2014 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:
+ * Edgar Mueller - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emf.ecp.view.context.test.mockup;
+
+import org.eclipse.emf.ecp.view.internal.core.swt.renderer.ViewSWTRenderer;
+import org.eclipse.emf.ecp.view.spi.renderer.NoPropertyDescriptorFoundExeption;
+import org.eclipse.emf.ecp.view.spi.renderer.NoRendererFoundException;
+import org.eclipse.emf.ecp.view.spi.swt.layout.SWTGridCell;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+
+public class ViewSWTRendererWithNoRendererFoundException extends ViewSWTRenderer {
+
+	public ViewSWTRendererWithNoRendererFoundException() {
+
+	}
+
+	@Override
+	public Control render(SWTGridCell cell, Composite parent)
+		throws NoRendererFoundException, NoPropertyDescriptorFoundExeption {
+		throw new NoRendererFoundException(getVElement());
+	}
+}
\ No newline at end of file
diff --git a/tests/org.eclipse.emf.ecp.view.core.swt.tests/plugin.xml b/tests/org.eclipse.emf.ecp.view.core.swt.tests/plugin.xml
deleted file mode 100644
index d6375a34fb..0000000000
--- a/tests/org.eclipse.emf.ecp.view.core.swt.tests/plugin.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?eclipse version="3.0"?>
-<plugin>
-
-
-   <extension point="org.eclipse.emf.ecore.generated_package">
-      <!-- @generated test -->
-      <package
-            uri="http://eclipse.org/emf/ecp/core/test"
-            class="org.eclipse.emf.ecp.view.core.swt.test.model.TestPackage"
-            genModel="model/test.genmodel"/>
-   </extension>
-
-</plugin>
diff --git a/tests/org.eclipse.emf.ecp.view.test.common.swt/META-INF/MANIFEST.MF b/tests/org.eclipse.emf.ecp.view.test.common.swt/META-INF/MANIFEST.MF
index 60cb98ccfa..14e10997ac 100644
--- a/tests/org.eclipse.emf.ecp.view.test.common.swt/META-INF/MANIFEST.MF
+++ b/tests/org.eclipse.emf.ecp.view.test.common.swt/META-INF/MANIFEST.MF
@@ -15,5 +15,4 @@ Require-Bundle: org.eclipse.swt;bundle-version="[3.1.0,4.0.0)",
  org.eclipse.emf.ecp.ui.view.swt;bundle-version="[1.4.0,2.0.0)",
  org.eclipse.emf.ecp.edit;bundle-version="[1.4.0,2.0.0)",
  org.eclipse.emf.ecp.ui.view.test;bundle-version="[1.4.0,2.0.0)"
-Export-Package: org.eclipse.emf.ecp.view.test.common.swt;version="1.5.
- 0";x-friends:="org.eclipse.emf.ecp.view.stack.ui.swt.test"
+Export-Package: org.eclipse.emf.ecp.view.test.common.swt;version="1.5.0";x-friends:="org.eclipse.emf.ecp.view.stack.ui.swt.test,org.eclipse.emf.ecp.view.context.test"