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package org.eclipse.papyrus.infra.table.efacet.nestededitor.query;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.facet.efacet.core.IFacetManager;
import org.eclipse.emf.facet.efacet.core.exception.DerivedTypedElementException;
import org.eclipse.emf.facet.query.java.core.IParameterValueList2;
import org.eclipse.papyrus.infra.table.efacet.metamodel.papyrustable.PapyrusTable;
public class GetEditorContextQuery extends AbstractNestedEditorQuery<EObject> {
private static List<String> possibleContextFieldName = null;
public EObject evaluate(EObject source, IParameterValueList2 parameterValues, IFacetManager facetManager) throws DerivedTypedElementException {
EObject context = null;
if(source instanceof PapyrusTable) {
context = ((PapyrusTable)source).getTable().getContext();
} else {
if(possibleContextFieldName == null) {
initContextFieldName();
}
Iterator<String> iter = possibleContextFieldName.iterator();
while(iter.hasNext() && context == null) {
final String currentName = iter.next();
final EStructuralFeature feature = source.eClass().getEStructuralFeature(currentName);
if(feature != null) {
context = (EObject)source.eGet(feature);
}
}
}
return context;
}
private static final void initContextFieldName() {
possibleContextFieldName = new ArrayList<String>();
possibleContextFieldName.add("context");
possibleContextFieldName.add("element");
}
}
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