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/*
* Copyright (c) 2014 CEA 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:
* Christian W. Damus (CEA) - Initial API and implementation
*
*/
package org.eclipse.papyrus.uml.profile.providers;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.osgi.util.NLS;
import org.eclipse.papyrus.infra.emf.providers.EMFLabelProvider;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.papyrus.infra.services.labelprovider.service.IFilteredLabelProvider;
/**
* A label provider for {@link EPackage}s that are unknown schemas (demand-created packages).
*/
public class UnknownSchemaEPackageLabelProvider extends EMFLabelProvider implements IFilteredLabelProvider {
public boolean accept(Object element) {
boolean result = false;
EObject eobject = EMFHelper.getEObject(element);
if (eobject instanceof EPackage) {
// Typically the only EPackages that don't have names are unknown schema but they do have namespace prefixes
EPackage epackage = (EPackage) eobject;
result = (epackage.getName() == null) && (epackage.getNsPrefix() != null);
}
return result;
}
@Override
protected String getText(EObject element) {
String result;
if (element instanceof EPackage) {
EPackage epackage = (EPackage) element;
result = NLS.bind("({0}) - unknown schema", epackage.getNsPrefix());
} else {
result = super.getText(element);
}
return result;
}
}
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