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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:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.search.ui.actions;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.papyrus.infra.refactoring.refactoringOnElement.ITransformationOnElement;
import org.eclipse.papyrus.uml.search.ui.query.AbstractPapyrusQuery;
import org.eclipse.papyrus.views.search.regex.PatternHelper;
import org.eclipse.papyrus.views.search.results.AbstractResultEntry;
import org.eclipse.papyrus.views.search.results.AttributeMatch;
import org.eclipse.uml2.uml.Class;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Property;
import org.eclipse.uml2.uml.Stereotype;
public class ReplaceTransformationOnElement implements ITransformationOnElement {
/**
* The {@link AbstractResultEntry} list representing textual matches with the String pattern to be replaced.
*/
private Set<AbstractResultEntry> fAttributeMatchList;
/**
* The {@link AbstractPapyrusQuery} representing the search of matches.
*/
private AbstractPapyrusQuery fQuery;
/**
* The string that should replace the String pattern to be replaced.
*/
private String fNewString;
public ReplaceTransformationOnElement(Set<AbstractResultEntry> toProcess, AbstractPapyrusQuery query, String newString) {
fAttributeMatchList = toProcess;
fQuery = query;
fNewString = newString;
}
public void transformationToExecute(EObject element) {
for(AbstractResultEntry match : fAttributeMatchList) {
if(match.getSource() instanceof EObject && match instanceof AttributeMatch){
AttributeMatch attributeMatch=(AttributeMatch) match;
if(EcoreUtil.equals(element, (EObject)match.getSource())) {
if(attributeMatch.getMetaAttribute() instanceof EAttribute) {
Object value = element.eGet((EAttribute)attributeMatch.getMetaAttribute());
if(value != null) {
if(value instanceof String) {
String originalvalue = (String)value;
Pattern pattern = PatternHelper.getInstance().createPattern(fQuery.getSearchQueryText(), fQuery.isCaseSensitive(), fQuery.isRegularExpression());
String newValue = computeReplacementString(pattern, originalvalue, fNewString);
element.eSet((EAttribute)attributeMatch.getMetaAttribute(), newValue);
}
}
}
else if(attributeMatch.getMetaAttribute() instanceof Property) {
Property source = (Property)attributeMatch.getMetaAttribute();
Class containingClass = source.getClass_();
if(containingClass instanceof Stereotype) {
if(element instanceof Element) {
Stereotype stereotype = ((Element)element).getAppliedStereotype(containingClass.getQualifiedName());
Object tagValue = ((Element)element).getValue(stereotype, source.getName());
if(tagValue instanceof String) {
Object value = tagValue;
if(value != null) {
if(value instanceof String) {
String originalvalue = (String)value;
Pattern pattern = PatternHelper.getInstance().createPattern(fQuery.getSearchQueryText(), fQuery.isCaseSensitive(), fQuery.isRegularExpression());
String newValue = computeReplacementString(pattern, originalvalue, fNewString);
((Element)element).setValue(stereotype, source.getName(), newValue);
}
}
}
}
}
}
}
}
}
}
/**
* Compute the replacement.
* @param pattern The pattern that we will us to compute the replacement.
* @param originalText The String to be modified.
* @param replacementText The String to append.
* @return The new String.
*/
private String computeReplacementString(Pattern pattern, String originalText, String replacementText) throws PatternSyntaxException {
if(pattern != null) {
try {
Matcher matcher = pattern.matcher(originalText);
StringBuffer sb = new StringBuffer();
matcher.reset();
if(matcher.find()) {
matcher.appendReplacement(sb, replacementText);
} else {
return null;
}
matcher.appendTail(sb);
return sb.toString();
} catch (IndexOutOfBoundsException ex) {
throw new PatternSyntaxException(ex.getLocalizedMessage(), replacementText, -1);
}
}
return replacementText;
}
}
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