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/*****************************************************************************
* Copyright (c) 2013 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.tools.utils;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.osgi.util.NLS;
import org.eclipse.papyrus.infra.emf.Activator;
import org.eclipse.papyrus.infra.emf.utils.EMFStringValueConverter;
import org.eclipse.papyrus.infra.emf.utils.MultiConvertedValueContainer;
import org.eclipse.papyrus.infra.emf.utils.ConvertedValueContainer;
import org.eclipse.papyrus.infra.emf.utils.StringValueConverterStatus;
import org.eclipse.uml2.uml.DataType;
import org.eclipse.uml2.uml.Enumeration;
import org.eclipse.uml2.uml.EnumerationLiteral;
import org.eclipse.uml2.uml.NamedElement;
import org.eclipse.uml2.uml.Namespace;
import org.eclipse.uml2.uml.PrimitiveType;
import org.eclipse.uml2.uml.Property;
import org.eclipse.uml2.uml.Type;
import org.eclipse.uml2.uml.UMLPackage;
/**
* ULM String converter
* @author vl222926
*
*/
public class UMLStringValueConverter extends EMFStringValueConverter {
final protected Map<EClass, NameResolutionHelper> nameResolutionHelpers = new HashMap<EClass, NameResolutionHelper>();
private static final String THE_ENUMERATION_LITERAL_X_CANT_BE_FOUND = "The enumeration literal {0} can't be found";
private static final String SOME_STRING_CANT_BE_RESOLVED_TO_FIND_X = "Some String can't be resolved to find {0}";
private static final String NO_X_REPRESENTED_BY_Y_HAVE_BEEN_FOUND = "No {0} represented by {1} have been found";
/**
*
* Constructor.
*
* @param context
* the context used to resolve the value
* @param multiValueSeparator
* the string used to seprate values
*/
public UMLStringValueConverter(final Namespace context, final String multiValueSeparator) {
super(context, multiValueSeparator);
}
/**
*
* @see org.eclipse.papyrus.infra.emf.utils.EMFStringValueConverter#dispose()
*
*/
@Override
public void dispose() {
super.dispose();
nameResolutionHelpers.clear();
}
@Override
protected int getFeatureUpperBound(Object feature) {
if(feature instanceof Property) {
return ((Property)feature).getUpper();
}
return super.getFeatureUpperBound(feature);
}
@Override
protected EClassifier getFeatureType(Object feature) {
final EClassifier featureType;
if(feature instanceof Property) {
final Type type = ((Property)feature).getType();
if(type instanceof PrimitiveType) {
final PrimitiveType pType = (PrimitiveType)type;
final String name = pType.getName();
if(PrimitivesTypesUtils.UML_BOOLEAN.equals(name)) {
featureType = EcorePackage.eINSTANCE.getEBoolean();
} else if(PrimitivesTypesUtils.UML_INTEGER.equals(name)) {
featureType = EcorePackage.eINSTANCE.getEInt();
} else if(PrimitivesTypesUtils.UML_REAL.equals(name)) {
featureType = EcorePackage.eINSTANCE.getEDouble();
} else if(PrimitivesTypesUtils.UML_STRING.equals(name)) {
featureType = EcorePackage.eINSTANCE.getEString();
} else if(PrimitivesTypesUtils.UML_UNLIMITED_NATURAL.equals(name)) {
featureType = EcorePackage.eINSTANCE.getEInt();
} else { //custom PrimitiveType
featureType = EcorePackage.eINSTANCE.getEString();
}
} else if(type instanceof Enumeration) {
featureType = UMLPackage.eINSTANCE.getEnumeration();
} else if(type instanceof DataType) {//FIXME manage the data type
featureType = EcorePackage.eINSTANCE.getEString();
} else {
featureType = type.eClass();
}
} else {
featureType = super.getFeatureType(feature);
}
return featureType;
}
@Override
public ConvertedValueContainer<?> deduceValueFromString(Object feature, String valueAsString) {
final EClassifier featureType = getFeatureType(feature);
if(feature instanceof Property) {
return deduceValueFromString(feature, featureType, valueAsString);
}
return super.deduceValueFromString(feature, valueAsString);
}
/**
*
* @see org.eclipse.papyrus.infra.emf.utils.EMFStringValueConverter#deduceValueFromString(java.lang.Object, org.eclipse.emf.ecore.EClassifier,
* java.lang.String)
*
* @param feature
* @param featureType
* @param valueAsString
* @return
*/
@Override
protected ConvertedValueContainer<?> deduceValueFromString(Object feature, EClassifier featureType, String valueAsString) {
if(featureType instanceof EClass && feature instanceof Property) {
final int upperbound = getFeatureUpperBound(feature);
boolean isMany = (upperbound > 1 || upperbound == -1);
if(PrimitivesTypesUtils.ENUMERATION.equals(featureType.getName())) {
return deduceEnumerationLiteralValue(isMany, valueAsString, (Enumeration)((Property)feature).getType());
}
}
return super.deduceValueFromString(feature, featureType, valueAsString);
}
/**
*
* @see org.eclipse.papyrus.infra.emf.utils.EMFStringValueConverter#deduceEObjectValue(org.eclipse.emf.ecore.EObject, java.lang.Object,
* org.eclipse.emf.ecore.EClass, boolean, java.lang.String)
*
* @param resolutionContext
* @param feature
* @param featureType
* @param isMany
* @param valueAsString
* @return
* @throws StringValueSolverException
*/
@Override
protected ConvertedValueContainer<?> deduceEObjectValue(EObject resolutionContext, Object feature, EClass eClass, boolean isMany, String valueAsString) {
if(valueAsString!=null && !valueAsString.isEmpty() && resolutionContext instanceof Namespace) {
IStatus iStatus = Status.OK_STATUS;
final Collection<String> unresolvedValues = new ArrayList<String>();
Namespace namespace = (Namespace)resolutionContext;
ConvertedValueContainer<?> returnedValue = null;
NameResolutionHelper helper = this.nameResolutionHelpers.get(eClass);
if(helper == null) {
helper = new NameResolutionHelper(namespace, eClass);
this.nameResolutionHelpers.put(eClass, helper);
}
if(isMany) {
final Collection<NamedElement> values = new HashSet<NamedElement>();
for(final String str : valueAsString.split(this.multiValueSeparator)) {
final List<NamedElement> elements = helper.getNamedElements(str);
if(elements.size() == 1) {
values.add(elements.get(0));
} else {
unresolvedValues.add(str);
}
if(!unresolvedValues.isEmpty()) {
iStatus = new StringValueConverterStatus(IStatus.ERROR, Activator.PLUGIN_ID, NLS.bind(SOME_STRING_CANT_BE_RESOLVED_TO_FIND_X, eClass.getName()), unresolvedValues);
}
returnedValue = new MultiConvertedValueContainer<NamedElement>(values, iStatus);
}
} else {
final List<NamedElement> elements = helper.getNamedElements(valueAsString);
if(elements.size() == 1) {
//it is OK
returnedValue = new ConvertedValueContainer<NamedElement>(elements.get(0), iStatus);
} else {
unresolvedValues.add(valueAsString);
iStatus = new StringValueConverterStatus(IStatus.ERROR, Activator.PLUGIN_ID, NLS.bind(NO_X_REPRESENTED_BY_Y_HAVE_BEEN_FOUND, eClass.getName(), valueAsString), unresolvedValues);
returnedValue = new ConvertedValueContainer<Boolean>(null, iStatus);
}
}
return returnedValue;
}
return super.deduceEObjectValue(resolutionContext, feature, eClass, isMany, valueAsString);
}
/**
*
* @param isMany
* <code>true</code> if the feature isMany
* @param valueAsString
* the value to parse
* @return
* the result of the parsing
*/
protected ConvertedValueContainer<?> deduceEnumerationLiteralValue(final boolean isMany, final String valueAsString, final Enumeration enumeration) {
ConvertedValueContainer<?> returnedValue = null;
IStatus iStatus = Status.OK_STATUS;
final Collection<String> unresolvedValues = new ArrayList<String>();
if(isMany) {
final Collection<EnumerationLiteral> values = new ArrayList<EnumerationLiteral>();
for(final String str : valueAsString.split(this.multiValueSeparator)) {
final EnumerationLiteral lit = (EnumerationLiteral)enumeration.getMember(str);
if(lit != null) {
values.add(lit);
} else {
unresolvedValues.add(str);
}
}
if(!unresolvedValues.isEmpty()) {
iStatus = new StringValueConverterStatus(IStatus.ERROR, Activator.PLUGIN_ID, NLS.bind(SOME_STRING_ARE_NOT_VALID_TO_CREATE_X, PrimitivesTypesUtils.ENUMERATION_LITERAL), unresolvedValues);
}
returnedValue = new MultiConvertedValueContainer<EnumerationLiteral>(values, iStatus);
} else {
final EnumerationLiteral lit = (EnumerationLiteral)enumeration.getMember(valueAsString);
if(lit == null) {
unresolvedValues.add(valueAsString);
iStatus = new StringValueConverterStatus(IStatus.ERROR, Activator.PLUGIN_ID, NLS.bind(THE_ENUMERATION_LITERAL_X_CANT_BE_FOUND, valueAsString, PrimitivesTypesUtils.ENUMERATION_LITERAL), unresolvedValues);
}
returnedValue = new ConvertedValueContainer<EnumerationLiteral>(lit, iStatus);
}
return returnedValue;
}
}
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