bundles/org.eclipse.emfforms.core.services.emf/src/org/eclipse/emfforms/internal/core/services/label/EMFFormsLabelProviderImpl.java - emfclient/org.eclipse.emf.ecp.core - Git at Google

 /*******************************************************************************
  * Copyright (c) 2011-2016 EclipseSource Muenchen GmbH and others.
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  * Eugen Neufeld - initial API and implementation
  ******************************************************************************/
 package org.eclipse.emfforms.internal.core.services.label;

 import java.text.MessageFormat;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.WeakHashMap;

 import org.eclipse.core.databinding.observable.value.IObservableValue;
 import org.eclipse.core.databinding.observable.value.WritableValue;
 import org.eclipse.core.databinding.property.value.IValueProperty;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.EStructuralFeature;
 import org.eclipse.emf.ecp.common.spi.asserts.Assert;
 import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
 import org.eclipse.emfforms.spi.common.BundleResolver;
 import org.eclipse.emfforms.spi.common.BundleResolver.NoBundleFoundException;
 import org.eclipse.emfforms.spi.common.BundleResolverFactory;
 import org.eclipse.emfforms.spi.common.locale.EMFFormsLocaleChangeListener;
 import org.eclipse.emfforms.spi.common.locale.EMFFormsLocaleProvider;
 import org.eclipse.emfforms.spi.common.report.ReportService;
 import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
 import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport;
 import org.eclipse.emfforms.spi.core.services.databinding.EMFFormsDatabinding;
 import org.eclipse.emfforms.spi.core.services.databinding.emf.EMFFormsDatabindingEMF;
 import org.eclipse.emfforms.spi.core.services.label.EMFFormsLabelProvider;
 import org.eclipse.emfforms.spi.core.services.label.NoLabelFoundException;
 import org.eclipse.emfforms.spi.localization.EMFFormsLocalizationService;
 import org.osgi.framework.Bundle;

 /**
  * Implementation of {@link EMFFormsLabelProvider}. It provides a label service that delivers the display name and
  * description for a domain model reference and optionally an EObject.
  *
  * @author Eugen Neufeld
  *
  */
 public class EMFFormsLabelProviderImpl implements EMFFormsLabelProvider, EMFFormsLocaleChangeListener {

 	/**
 	 * Key for the map of description observables.
 	 *
 	 * @author Eugen Neufeld
 	 */
 	private static class DescriptionKey {
 		private final String eClassName;
 		private final String featureName;
 		private final Bundle bundle;

 		DescriptionKey(String eClassName, String featureName, Bundle bundle) {
 			super();
 			this.eClassName = eClassName;
 			this.featureName = featureName;
 			this.bundle = bundle;
 		}

 		Bundle getBundle() {
 			return bundle;
 		}

 		String geteClassName() {
 			return eClassName;
 		}

 		String getFeatureName() {
 			return featureName;
 		}

 		@Override
 		public int hashCode() {
 			final int prime = 31;
 			int result = 1;
 			result = prime * result + (bundle == null ? 0 : bundle.hashCode());
 			result = prime * result + (eClassName == null ? 0 : eClassName.hashCode());
 			result = prime * result + (featureName == null ? 0 : featureName.hashCode());
 			return result;
 		}

 		// BEGIN COMPLEX CODE
 		// path complexity check does not take returns into account
 		@Override
 		public boolean equals(Object obj) {
 			if (this == obj) {
 				return true;
 			}
 			if (obj == null) {
 				return false;
 			}
 			if (!(obj instanceof DescriptionKey)) {
 				return false;
 			}
 			final DescriptionKey other = (DescriptionKey) obj;
 			if (bundle == null) {
 				if (other.bundle != null) {
 					return false;
 				}
 			} else if (!bundle.equals(other.bundle)) {
 				return false;
 			}
 			if (eClassName == null) {
 				if (other.eClassName != null) {
 					return false;
 				}
 			} else if (!eClassName.equals(other.eClassName)) {
 				return false;
 			}
 			if (featureName == null) {
 				if (other.featureName != null) {
 					return false;
 				}
 			} else if (!featureName.equals(other.featureName)) {
 				return false;
 			}
 			return true;
 		}
 		// END COMPLEX CODE
 	}

 	private static final String DISPLAY_NAME = "_UI_%1$s_%2$s_feature"; //$NON-NLS-1$
 	private static final String DESCRIPTION = "_UI_%1$s_%2$s_description"; //$NON-NLS-1$
 	private static final String DESCRIPTION_COMPOSITE = "_UI_PropertyDescriptor_description"; //$NON-NLS-1$
 	private static final String TYPE = "_UI_%1$s_type"; //$NON-NLS-1$

 	private EMFFormsDatabindingEMF emfFormsDatabinding;
 	private EMFFormsLocalizationService localizationService;
 	private ReportService reportService;
 	private BundleResolver bundleResolver = BundleResolverFactory.createBundleResolver();

 	private final Map<WritableValue, BundleKeyWrapper> displayKeyObservableMap = new WeakHashMap<WritableValue, BundleKeyWrapper>();
 	private final Map<WritableValue, DescriptionKey> descriptionKeyObservableMap = new WeakHashMap<WritableValue, DescriptionKey>();
 	private EMFFormsLocaleProvider localeProvider;
 	private EMFFormsLabelProviderDefaultImpl labelProviderDefault;

 	/**
 	 * Sets the {@link ReportService} service.
 	 *
 	 * @param reportService The ReportService service.
 	 */
 	protected void setReportService(ReportService reportService) {
 		this.reportService = reportService;
 	}

 	/**
 	 * Sets the {@link EMFFormsDatabinding} service.
 	 *
 	 * @param emfFormsDatabinding The databinding service.
 	 */
 	protected void setEMFFormsDatabinding(EMFFormsDatabindingEMF emfFormsDatabinding) {
 		this.emfFormsDatabinding = emfFormsDatabinding;
 	}

 	/**
 	 * Sets the {@link EMFFormsLocalizationService}.
 	 *
 	 * @param localizationService The {@link EMFFormsLocalizationService}
 	 */
 	protected void setEMFFormsLocalizationService(EMFFormsLocalizationService localizationService) {
 		this.localizationService = localizationService;
 	}

 	/**
 	 * Sets the {@link EMFFormsLocaleProvider}.
 	 *
 	 * @param localeProvider The {@link EMFFormsLocaleProvider}
 	 */
 	protected void setEMFFormsLocaleProvider(EMFFormsLocaleProvider localeProvider) {
 		this.localeProvider = localeProvider;
 		this.localeProvider.addEMFFormsLocaleChangeListener(this);
 	}

 	/**
 	 * Sets the {@link BundleResolver}.
 	 *
 	 * @param bundleResolver The {@link BundleResolver}
 	 */
 	protected void setBundleResolver(BundleResolver bundleResolver) {
 		this.bundleResolver = bundleResolver;
 	}

 	/**
 	 * Sets the default {@link EMFFormsLabelProviderDefaultImpl}.
 	 *
 	 * @param labelProviderDefault the labelProviderDefault to set
 	 */
 	protected void setLabelProviderDefault(EMFFormsLabelProviderDefaultImpl labelProviderDefault) {
 		this.labelProviderDefault = labelProviderDefault;
 	}

 	private BundleKeyResultWrapper getDisplayBundleKeyResultWrapper(EStructuralFeature structuralFeature)
 		throws NoBundleFoundException {
 		final EClass eContainingClass = structuralFeature.getEContainingClass();
 		final Bundle bundle = bundleResolver.getEditBundle(eContainingClass);
 		final String key = String.format(DISPLAY_NAME, eContainingClass.getName(),
 			structuralFeature.getName());
 		final String displayName = getDisplayName(bundle, key);
 		return new BundleKeyResultWrapper(new BundleKeyWrapper(key, bundle), displayName);
 	}

 	/**
 	 * Returns the display name of the {@link EStructuralFeature}.
 	 *
 	 * @param structuralFeature The {@link EStructuralFeature}
 	 * @return The localized feature name
 	 */
 	public String getDisplayName(EStructuralFeature structuralFeature) {
 		try {
 			return getDisplayBundleKeyResultWrapper(structuralFeature).getResult();
 		} catch (final NoBundleFoundException ex) {
 			return (String) labelProviderDefault.getDisplayName(structuralFeature).getValue();
 		}
 	}

 	@Deprecated
 	@Override
 	public IObservableValue getDisplayName(VDomainModelReference domainModelReference) throws NoLabelFoundException {
 		Assert.create(domainModelReference).notNull();

 		IValueProperty valueProperty;
 		try {
 			valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, (EObject) null);
 		} catch (final DatabindingFailedException ex) {
 			reportService.report(new DatabindingFailedReport(ex));
 			throw new NoLabelFoundException(ex);
 		}
 		final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
 		BundleKeyResultWrapper bundleKeyResultWrapper;
 		try {
 			bundleKeyResultWrapper = getDisplayBundleKeyResultWrapper(structuralFeature);
 		} catch (final NoBundleFoundException ex) {
 			return labelProviderDefault.getDisplayName(domainModelReference);
 		}

 		final WritableValue value = getObservableValue(bundleKeyResultWrapper.getResult());
 		displayKeyObservableMap.put(value, bundleKeyResultWrapper.getBundleKeyWrapper());
 		return value;
 	}

 	@Override
 	public IObservableValue getDisplayName(VDomainModelReference domainModelReference, EClass rootEClass)
 		throws NoLabelFoundException {
 		Assert.create(domainModelReference).notNull();
 		Assert.create(rootEClass).notNull();

 		IValueProperty valueProperty;
 		try {
 			valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, rootEClass);
 		} catch (final DatabindingFailedException ex) {
 			reportService.report(new DatabindingFailedReport(ex));
 			throw new NoLabelFoundException(ex);
 		}
 		final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();

 		BundleKeyResultWrapper displayBundleKeyResultWrapper;
 		try {
 			displayBundleKeyResultWrapper = getDisplayBundleKeyResultWrapper(structuralFeature);
 		} catch (final NoBundleFoundException ex) {
 			return labelProviderDefault.getDisplayName(domainModelReference, rootEClass);
 		}

 		final WritableValue displayObserveValue = getObservableValue(displayBundleKeyResultWrapper.getResult());
 		displayKeyObservableMap.put(displayObserveValue, displayBundleKeyResultWrapper.getBundleKeyWrapper());
 		return displayObserveValue;
 	}

 	@Override
 	public IObservableValue getDisplayName(VDomainModelReference domainModelReference, EObject rootObject)
 		throws NoLabelFoundException {
 		Assert.create(domainModelReference).notNull();
 		Assert.create(rootObject).notNull();

 		return getDisplayName(domainModelReference, rootObject.eClass());
 	}

 	@Deprecated
 	@Override
 	public IObservableValue getDescription(VDomainModelReference domainModelReference) throws NoLabelFoundException {
 		Assert.create(domainModelReference).notNull();

 		IValueProperty valueProperty;
 		try {
 			valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, (EObject) null);
 		} catch (final DatabindingFailedException ex) {
 			reportService.report(new DatabindingFailedReport(ex));
 			throw new NoLabelFoundException(ex);
 		}
 		final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
 		final EClass eContainingClass = structuralFeature.getEContainingClass();
 		Bundle bundle;
 		try {
 			bundle = bundleResolver.getEditBundle(eContainingClass);
 		} catch (final NoBundleFoundException ex) {
 			return labelProviderDefault.getDescription(domainModelReference);
 		}
 		final WritableValue writableValue = getObservableValue(getDescription(eContainingClass
 			.getName(),
 			structuralFeature.getName(), bundle));
 		descriptionKeyObservableMap.put(writableValue, new DescriptionKey(eContainingClass.getName(),
 			structuralFeature.getName(), bundle));
 		return writableValue;
 	}

 	@Override
 	public IObservableValue getDescription(VDomainModelReference domainModelReference, EClass rootEClass)
 		throws NoLabelFoundException {
 		Assert.create(domainModelReference).notNull();
 		Assert.create(rootEClass).notNull();

 		IValueProperty valueProperty;
 		try {
 			valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, rootEClass);
 		} catch (final DatabindingFailedException ex) {
 			reportService.report(new DatabindingFailedReport(ex));
 			throw new NoLabelFoundException(ex);
 		}
 		final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
 		Bundle bundle;
 		try {
 			bundle = bundleResolver.getEditBundle(structuralFeature.getEContainingClass());
 		} catch (final NoBundleFoundException ex) {
 			return labelProviderDefault.getDescription(domainModelReference, rootEClass);
 		}
 		return createDescriptionObservableValue(structuralFeature, bundle);
 	}

 	@Override
 	public IObservableValue getDescription(VDomainModelReference domainModelReference, EObject rootObject)
 		throws NoLabelFoundException {
 		Assert.create(domainModelReference).notNull();
 		Assert.create(rootObject).notNull();

 		IValueProperty valueProperty;
 		try {
 			valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, rootObject);
 		} catch (final DatabindingFailedException ex) {
 			reportService.report(new DatabindingFailedReport(ex));
 			throw new NoLabelFoundException(ex);
 		}
 		final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
 		Bundle bundle;
 		try {
 			bundle = bundleResolver.getEditBundle(structuralFeature.getEContainingClass());
 		} catch (final NoBundleFoundException ex) {
 			return labelProviderDefault.getDescription(domainModelReference, rootObject);
 		}
 		return createDescriptionObservableValue(structuralFeature, bundle);
 	}

 	private IObservableValue createDescriptionObservableValue(final EStructuralFeature structuralFeature,
 		Bundle bundle) {
 		final WritableValue writableValue = getObservableValue(getDescription(structuralFeature.getEContainingClass()
 			.getName(), structuralFeature.getName(), bundle));
 		descriptionKeyObservableMap.put(writableValue,
 			new DescriptionKey(structuralFeature.getEContainingClass().getName(),
 				structuralFeature.getName(), bundle));
 		return writableValue;
 	}

 	private WritableValue getObservableValue(String value) {
 		return new WritableValue(value, String.class);
 	}

 	private String getDisplayName(Bundle bundle, String key) {
 		return localizationService.getString(bundle, key);
 	}

 	private String getDescription(String eClassName, String featureName, Bundle bundle) {
 		final String keyDefault = String.format(DESCRIPTION, eClassName, featureName);
 		if (localizationService.hasKey(bundle, keyDefault)) {
 			return localizationService.getString(bundle,
 				keyDefault);
 		}
 		final String descriptionWithSubstitution = localizationService.getString(bundle,
 			DESCRIPTION_COMPOSITE);
 		final String key = String.format(DISPLAY_NAME, eClassName, featureName);
 		final String featureSubstitution = getDisplayName(bundle, key);
 		final String eObjectSubstitution = localizationService.getString(bundle,
 			String.format(TYPE, eClassName));
 		return MessageFormat.format(descriptionWithSubstitution, featureSubstitution, eObjectSubstitution);
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emfforms.spi.common.locale.EMFFormsLocaleChangeListener#notifyLocaleChange()
 	 */
 	@Override
 	public void notifyLocaleChange() {
 		for (final Entry<WritableValue, BundleKeyWrapper> entry : displayKeyObservableMap.entrySet()) {
 			final WritableValue writableValue = entry.getKey();
 			if (writableValue.isDisposed()) {
 				continue;
 			}
 			final BundleKeyWrapper displayNameKey = entry.getValue();
 			writableValue.setValue(getDisplayName(displayNameKey.getBundle(), displayNameKey.getKey()));
 		}
 		for (final Entry<WritableValue, DescriptionKey> entry : descriptionKeyObservableMap.entrySet()) {
 			final WritableValue writableValue = entry.getKey();
 			if (writableValue.isDisposed()) {
 				continue;
 			}
 			final DescriptionKey descriptionKey = entry.getValue();
 			writableValue.setValue(getDescription(descriptionKey.geteClassName(), descriptionKey.getFeatureName(),
 				descriptionKey.getBundle()));
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2011-2016 EclipseSource Muenchen GmbH and others.
	*
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Eugen Neufeld - initial API and implementation
	******************************************************************************/
	package org.eclipse.emfforms.internal.core.services.label;

	import java.text.MessageFormat;
	import java.util.Map;
	import java.util.Map.Entry;
	import java.util.WeakHashMap;

	import org.eclipse.core.databinding.observable.value.IObservableValue;
	import org.eclipse.core.databinding.observable.value.WritableValue;
	import org.eclipse.core.databinding.property.value.IValueProperty;
	import org.eclipse.emf.ecore.EClass;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.ecore.EStructuralFeature;
	import org.eclipse.emf.ecp.common.spi.asserts.Assert;
	import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
	import org.eclipse.emfforms.spi.common.BundleResolver;
	import org.eclipse.emfforms.spi.common.BundleResolver.NoBundleFoundException;
	import org.eclipse.emfforms.spi.common.BundleResolverFactory;
	import org.eclipse.emfforms.spi.common.locale.EMFFormsLocaleChangeListener;
	import org.eclipse.emfforms.spi.common.locale.EMFFormsLocaleProvider;
	import org.eclipse.emfforms.spi.common.report.ReportService;
	import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
	import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport;
	import org.eclipse.emfforms.spi.core.services.databinding.EMFFormsDatabinding;
	import org.eclipse.emfforms.spi.core.services.databinding.emf.EMFFormsDatabindingEMF;
	import org.eclipse.emfforms.spi.core.services.label.EMFFormsLabelProvider;
	import org.eclipse.emfforms.spi.core.services.label.NoLabelFoundException;
	import org.eclipse.emfforms.spi.localization.EMFFormsLocalizationService;
	import org.osgi.framework.Bundle;

	/**
	* Implementation of {@link EMFFormsLabelProvider}. It provides a label service that delivers the display name and
	* description for a domain model reference and optionally an EObject.
	*
	* @author Eugen Neufeld
	*
	*/
	public class EMFFormsLabelProviderImpl implements EMFFormsLabelProvider, EMFFormsLocaleChangeListener {

	/**
	* Key for the map of description observables.
	*
	* @author Eugen Neufeld
	*/
	private static class DescriptionKey {
	private final String eClassName;
	private final String featureName;
	private final Bundle bundle;

	DescriptionKey(String eClassName, String featureName, Bundle bundle) {
	super();
	this.eClassName = eClassName;
	this.featureName = featureName;
	this.bundle = bundle;
	}

	Bundle getBundle() {
	return bundle;
	}

	String geteClassName() {
	return eClassName;
	}

	String getFeatureName() {
	return featureName;
	}

	@Override
	public int hashCode() {
	final int prime = 31;
	int result = 1;
	result = prime * result + (bundle == null ? 0 : bundle.hashCode());
	result = prime * result + (eClassName == null ? 0 : eClassName.hashCode());
	result = prime * result + (featureName == null ? 0 : featureName.hashCode());
	return result;
	}

	// BEGIN COMPLEX CODE
	// path complexity check does not take returns into account
	@Override
	public boolean equals(Object obj) {
	if (this == obj) {
	return true;
	}
	if (obj == null) {
	return false;
	}
	if (!(obj instanceof DescriptionKey)) {
	return false;
	}
	final DescriptionKey other = (DescriptionKey) obj;
	if (bundle == null) {
	if (other.bundle != null) {
	return false;
	}
	} else if (!bundle.equals(other.bundle)) {
	return false;
	}
	if (eClassName == null) {
	if (other.eClassName != null) {
	return false;
	}
	} else if (!eClassName.equals(other.eClassName)) {
	return false;
	}
	if (featureName == null) {
	if (other.featureName != null) {
	return false;
	}
	} else if (!featureName.equals(other.featureName)) {
	return false;
	}
	return true;
	}
	// END COMPLEX CODE
	}

	private static final String DISPLAY_NAME = "_UI_%1$s_%2$s_feature"; //$NON-NLS-1$
	private static final String DESCRIPTION = "_UI_%1$s_%2$s_description"; //$NON-NLS-1$
	private static final String DESCRIPTION_COMPOSITE = "_UI_PropertyDescriptor_description"; //$NON-NLS-1$
	private static final String TYPE = "_UI_%1$s_type"; //$NON-NLS-1$

	private EMFFormsDatabindingEMF emfFormsDatabinding;
	private EMFFormsLocalizationService localizationService;
	private ReportService reportService;
	private BundleResolver bundleResolver = BundleResolverFactory.createBundleResolver();

	private final Map<WritableValue, BundleKeyWrapper> displayKeyObservableMap = new WeakHashMap<WritableValue, BundleKeyWrapper>();
	private final Map<WritableValue, DescriptionKey> descriptionKeyObservableMap = new WeakHashMap<WritableValue, DescriptionKey>();
	private EMFFormsLocaleProvider localeProvider;
	private EMFFormsLabelProviderDefaultImpl labelProviderDefault;

	/**
	* Sets the {@link ReportService} service.
	*
	* @param reportService The ReportService service.
	*/
	protected void setReportService(ReportService reportService) {
	this.reportService = reportService;
	}

	/**
	* Sets the {@link EMFFormsDatabinding} service.
	*
	* @param emfFormsDatabinding The databinding service.
	*/
	protected void setEMFFormsDatabinding(EMFFormsDatabindingEMF emfFormsDatabinding) {
	this.emfFormsDatabinding = emfFormsDatabinding;
	}

	/**
	* Sets the {@link EMFFormsLocalizationService}.
	*
	* @param localizationService The {@link EMFFormsLocalizationService}
	*/
	protected void setEMFFormsLocalizationService(EMFFormsLocalizationService localizationService) {
	this.localizationService = localizationService;
	}

	/**
	* Sets the {@link EMFFormsLocaleProvider}.
	*
	* @param localeProvider The {@link EMFFormsLocaleProvider}
	*/
	protected void setEMFFormsLocaleProvider(EMFFormsLocaleProvider localeProvider) {
	this.localeProvider = localeProvider;
	this.localeProvider.addEMFFormsLocaleChangeListener(this);
	}

	/**
	* Sets the {@link BundleResolver}.
	*
	* @param bundleResolver The {@link BundleResolver}
	*/
	protected void setBundleResolver(BundleResolver bundleResolver) {
	this.bundleResolver = bundleResolver;
	}

	/**
	* Sets the default {@link EMFFormsLabelProviderDefaultImpl}.
	*
	* @param labelProviderDefault the labelProviderDefault to set
	*/
	protected void setLabelProviderDefault(EMFFormsLabelProviderDefaultImpl labelProviderDefault) {
	this.labelProviderDefault = labelProviderDefault;
	}

	private BundleKeyResultWrapper getDisplayBundleKeyResultWrapper(EStructuralFeature structuralFeature)
	throws NoBundleFoundException {
	final EClass eContainingClass = structuralFeature.getEContainingClass();
	final Bundle bundle = bundleResolver.getEditBundle(eContainingClass);
	final String key = String.format(DISPLAY_NAME, eContainingClass.getName(),
	structuralFeature.getName());
	final String displayName = getDisplayName(bundle, key);
	return new BundleKeyResultWrapper(new BundleKeyWrapper(key, bundle), displayName);
	}

	/**
	* Returns the display name of the {@link EStructuralFeature}.
	*
	* @param structuralFeature The {@link EStructuralFeature}
	* @return The localized feature name
	*/
	public String getDisplayName(EStructuralFeature structuralFeature) {
	try {
	return getDisplayBundleKeyResultWrapper(structuralFeature).getResult();
	} catch (final NoBundleFoundException ex) {
	return (String) labelProviderDefault.getDisplayName(structuralFeature).getValue();
	}
	}

	@Deprecated
	@Override
	public IObservableValue getDisplayName(VDomainModelReference domainModelReference) throws NoLabelFoundException {
	Assert.create(domainModelReference).notNull();

	IValueProperty valueProperty;
	try {
	valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, (EObject) null);
	} catch (final DatabindingFailedException ex) {
	reportService.report(new DatabindingFailedReport(ex));
	throw new NoLabelFoundException(ex);
	}
	final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
	BundleKeyResultWrapper bundleKeyResultWrapper;
	try {
	bundleKeyResultWrapper = getDisplayBundleKeyResultWrapper(structuralFeature);
	} catch (final NoBundleFoundException ex) {
	return labelProviderDefault.getDisplayName(domainModelReference);
	}

	final WritableValue value = getObservableValue(bundleKeyResultWrapper.getResult());
	displayKeyObservableMap.put(value, bundleKeyResultWrapper.getBundleKeyWrapper());
	return value;
	}

	@Override
	public IObservableValue getDisplayName(VDomainModelReference domainModelReference, EClass rootEClass)
	throws NoLabelFoundException {
	Assert.create(domainModelReference).notNull();
	Assert.create(rootEClass).notNull();

	IValueProperty valueProperty;
	try {
	valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, rootEClass);
	} catch (final DatabindingFailedException ex) {
	reportService.report(new DatabindingFailedReport(ex));
	throw new NoLabelFoundException(ex);
	}
	final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();

	BundleKeyResultWrapper displayBundleKeyResultWrapper;
	try {
	displayBundleKeyResultWrapper = getDisplayBundleKeyResultWrapper(structuralFeature);
	} catch (final NoBundleFoundException ex) {
	return labelProviderDefault.getDisplayName(domainModelReference, rootEClass);
	}

	final WritableValue displayObserveValue = getObservableValue(displayBundleKeyResultWrapper.getResult());
	displayKeyObservableMap.put(displayObserveValue, displayBundleKeyResultWrapper.getBundleKeyWrapper());
	return displayObserveValue;
	}

	@Override
	public IObservableValue getDisplayName(VDomainModelReference domainModelReference, EObject rootObject)
	throws NoLabelFoundException {
	Assert.create(domainModelReference).notNull();
	Assert.create(rootObject).notNull();

	return getDisplayName(domainModelReference, rootObject.eClass());
	}

	@Deprecated
	@Override
	public IObservableValue getDescription(VDomainModelReference domainModelReference) throws NoLabelFoundException {
	Assert.create(domainModelReference).notNull();

	IValueProperty valueProperty;
	try {
	valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, (EObject) null);
	} catch (final DatabindingFailedException ex) {
	reportService.report(new DatabindingFailedReport(ex));
	throw new NoLabelFoundException(ex);
	}
	final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
	final EClass eContainingClass = structuralFeature.getEContainingClass();
	Bundle bundle;
	try {
	bundle = bundleResolver.getEditBundle(eContainingClass);
	} catch (final NoBundleFoundException ex) {
	return labelProviderDefault.getDescription(domainModelReference);
	}
	final WritableValue writableValue = getObservableValue(getDescription(eContainingClass
	.getName(),
	structuralFeature.getName(), bundle));
	descriptionKeyObservableMap.put(writableValue, new DescriptionKey(eContainingClass.getName(),
	structuralFeature.getName(), bundle));
	return writableValue;
	}

	@Override
	public IObservableValue getDescription(VDomainModelReference domainModelReference, EClass rootEClass)
	throws NoLabelFoundException {
	Assert.create(domainModelReference).notNull();
	Assert.create(rootEClass).notNull();

	IValueProperty valueProperty;
	try {
	valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, rootEClass);
	} catch (final DatabindingFailedException ex) {
	reportService.report(new DatabindingFailedReport(ex));
	throw new NoLabelFoundException(ex);
	}
	final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
	Bundle bundle;
	try {
	bundle = bundleResolver.getEditBundle(structuralFeature.getEContainingClass());
	} catch (final NoBundleFoundException ex) {
	return labelProviderDefault.getDescription(domainModelReference, rootEClass);
	}
	return createDescriptionObservableValue(structuralFeature, bundle);
	}

	@Override
	public IObservableValue getDescription(VDomainModelReference domainModelReference, EObject rootObject)
	throws NoLabelFoundException {
	Assert.create(domainModelReference).notNull();
	Assert.create(rootObject).notNull();

	IValueProperty valueProperty;
	try {
	valueProperty = emfFormsDatabinding.getValueProperty(domainModelReference, rootObject);
	} catch (final DatabindingFailedException ex) {
	reportService.report(new DatabindingFailedReport(ex));
	throw new NoLabelFoundException(ex);
	}
	final EStructuralFeature structuralFeature = (EStructuralFeature) valueProperty.getValueType();
	Bundle bundle;
	try {
	bundle = bundleResolver.getEditBundle(structuralFeature.getEContainingClass());
	} catch (final NoBundleFoundException ex) {
	return labelProviderDefault.getDescription(domainModelReference, rootObject);
	}
	return createDescriptionObservableValue(structuralFeature, bundle);
	}

	private IObservableValue createDescriptionObservableValue(final EStructuralFeature structuralFeature,
	Bundle bundle) {
	final WritableValue writableValue = getObservableValue(getDescription(structuralFeature.getEContainingClass()
	.getName(), structuralFeature.getName(), bundle));
	descriptionKeyObservableMap.put(writableValue,
	new DescriptionKey(structuralFeature.getEContainingClass().getName(),
	structuralFeature.getName(), bundle));
	return writableValue;
	}

	private WritableValue getObservableValue(String value) {
	return new WritableValue(value, String.class);
	}

	private String getDisplayName(Bundle bundle, String key) {
	return localizationService.getString(bundle, key);
	}

	private String getDescription(String eClassName, String featureName, Bundle bundle) {
	final String keyDefault = String.format(DESCRIPTION, eClassName, featureName);
	if (localizationService.hasKey(bundle, keyDefault)) {
	return localizationService.getString(bundle,
	keyDefault);
	}
	final String descriptionWithSubstitution = localizationService.getString(bundle,
	DESCRIPTION_COMPOSITE);
	final String key = String.format(DISPLAY_NAME, eClassName, featureName);
	final String featureSubstitution = getDisplayName(bundle, key);
	final String eObjectSubstitution = localizationService.getString(bundle,
	String.format(TYPE, eClassName));
	return MessageFormat.format(descriptionWithSubstitution, featureSubstitution, eObjectSubstitution);
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emfforms.spi.common.locale.EMFFormsLocaleChangeListener#notifyLocaleChange()
	*/
	@Override
	public void notifyLocaleChange() {
	for (final Entry<WritableValue, BundleKeyWrapper> entry : displayKeyObservableMap.entrySet()) {
	final WritableValue writableValue = entry.getKey();
	if (writableValue.isDisposed()) {
	continue;
	}
	final BundleKeyWrapper displayNameKey = entry.getValue();
	writableValue.setValue(getDisplayName(displayNameKey.getBundle(), displayNameKey.getKey()));
	}
	for (final Entry<WritableValue, DescriptionKey> entry : descriptionKeyObservableMap.entrySet()) {
	final WritableValue writableValue = entry.getKey();
	if (writableValue.isDisposed()) {
	continue;
	}
	final DescriptionKey descriptionKey = entry.getValue();
	writableValue.setValue(getDescription(descriptionKey.geteClassName(), descriptionKey.getFeatureName(),
	descriptionKey.getBundle()));
	}
	}
	}