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/*****************************************************************************
* Copyright (c) 2014 CEA LIST.
*
* 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:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.elementtypesconfigurations.applystereotypeadviceconfiguration;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.papyrus.infra.elementtypesconfigurations.Activator;
import org.eclipse.papyrus.infra.elementtypesconfigurations.emf.converter.ConverterNotfoundException;
import org.eclipse.papyrus.infra.elementtypesconfigurations.emf.converter.ConverterRegistry;
import org.eclipse.papyrus.uml.elementtypesconfigurations.applystereotypeadviceconfiguration.util.ApplyStereotypeAdviceConfigurationSwitch;
import org.eclipse.papyrus.uml.tools.utils.PrimitivesTypesUtils;
import org.eclipse.uml2.uml.DataType;
import org.eclipse.uml2.uml.Enumeration;
import org.eclipse.uml2.uml.PrimitiveType;
import org.eclipse.uml2.uml.Stereotype;
import org.eclipse.uml2.uml.Type;
import org.eclipse.uml2.uml.ValueSpecification;
/**
* Utility class to get values from a {@link FeatureValue}
*/
public class StereotypeFeatureValueUtils {
protected StereotypeFeatureValueUtils() {
// no instanciation, helper class
}
/**
* Returns the value to set for a given feature of a given element
*
* @param elementToConfigure
* eobject for which feature is set. This must not be <code>null</code>
* @param feature
* {@link EStructuralFeature} to set. This must not be <code>null</code>
* @param valueModel
* configuration of the value, stored in the model
* @return the real value that will be set to the object or <code>null</code> if none could be computed
*/
public static Object getValue(final EObject elementToConfigure, final Stereotype stereotype, final Type type, final FeatureValue featureValue) {
Object result = new ApplyStereotypeAdviceConfigurationSwitch<Object>() {
/**
* {@inheritDoc}
*/
@Override
public Object caseConstantValue(ConstantValue object) {
ValueSpecification valueSpecification = object.getValueInstance();
if (valueSpecification == null) {
return null;
}
try {
if (type instanceof PrimitiveType) {
final PrimitiveType pType = (PrimitiveType) type;
final String name = pType.getName();
if (PrimitivesTypesUtils.UML_BOOLEAN.equals(name)) {
return ConverterRegistry.getSingleton().convert(boolean.class, valueSpecification);
} else if (PrimitivesTypesUtils.UML_INTEGER.equals(name)) {
return ConverterRegistry.getSingleton().convert(int.class, valueSpecification);
} else if (PrimitivesTypesUtils.UML_REAL.equals(name)) {
return ConverterRegistry.getSingleton().convert(double.class, valueSpecification);
} else if (PrimitivesTypesUtils.UML_STRING.equals(name)) {
return ConverterRegistry.getSingleton().convert(String.class, valueSpecification);
} else if (PrimitivesTypesUtils.UML_UNLIMITED_NATURAL.equals(name)) {
return ConverterRegistry.getSingleton().convert(int.class, valueSpecification);
} else { // custom PrimitiveType
return ConverterRegistry.getSingleton().convert(String.class, valueSpecification);
}
} else if (type instanceof Enumeration) {
return ConverterRegistry.getSingleton().convert(Enumeration.class, valueSpecification);
} else if (type instanceof DataType) {// FIXME manage the data type
return ConverterRegistry.getSingleton().convert(String.class, valueSpecification);
}
} catch (ConverterNotfoundException e) {
Activator.log.error("Impossible to convert " + valueSpecification + " to fit feature type :" + type, e);
}
return super.caseConstantValue(object);
}
/**
* {@inheritDoc}
*/
@Override
public Object caseQueryExecutionValue(QueryExecutionValue object) {
throw new UnsupportedOperationException("Query execution values resolution has not been implemented yet");
};
/**
* {@inheritDoc}
*/
@Override
public Object caseDynamicValue(DynamicValue object) {
throw new UnsupportedOperationException("Dynamic values resolution has not been implemented yet");
};
/**
* {@inheritDoc}
*/
@Override
public Object caseListValue(ListValue object) {
// resolve one by one all features in the values list of this listvalue
List<Object> results = new ArrayList<Object>();
for (FeatureValue value : object.getValues()) {
Object singleResult = getValue(elementToConfigure, stereotype, type, value);
results.add(singleResult);
}
return results;
};
}.doSwitch(featureValue);
return result;
}
}
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