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/*****************************************************************************
* Copyright (c) 2011 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:
* Amine EL KOUHEN (CEA LIST/LIFL) - Amine.Elkouhen@cea.fr
*****************************************************************************/
package org.eclipse.papyrus.infra.services.markerlistener.util;
import java.util.Map;
import java.util.MissingResourceException;
import org.eclipse.core.resources.IMarker;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.common.util.WrappedException;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EValidator;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.edit.domain.EditingDomain;
/**
* The Class MarkerListenerUtils.
*/
public class MarkerListenerUtils {
/**
* E object from marker or map.
*
* @param marker
* the marker
* @param attributes
* the attributes
* @param domain
* the domain
* @return the e object
*/
public static EObject eObjectFromMarkerOrMap(IMarker marker, @SuppressWarnings("rawtypes") Map attributes, EditingDomain domain) {
String uriAttribute;
if(domain == null) {
return null;
}
if(marker != null) {
uriAttribute = marker.getAttribute(EValidator.URI_ATTRIBUTE, null);
} else {
uriAttribute = (String)attributes.get(EValidator.URI_ATTRIBUTE);
}
if(uriAttribute != null) {
URI uriOfMarker = URI.createURI(uriAttribute);
try {
return domain.getResourceSet().getEObject(uriOfMarker, true);
} catch (MissingResourceException e) {
// happens after renaming of the file containing the marker (or a parent folder)
// try to retrieve eObject via fragment only (assuming that no two elements within resource-set share
// the same fragment).
return eObjectOfFragment(uriOfMarker, domain);
} catch (WrappedException e) {
// same as above, seems to depend on context which exception is thrown.
return eObjectOfFragment(uriOfMarker, domain);
}
}
return null;
}
/**
* E object of fragment.
*
* @param uri
* the uri
* @param domain
* the domain
* @return the e object
*/
public static EObject eObjectOfFragment(URI uri, EditingDomain domain) {
try {
for(Resource resource : domain.getResourceSet().getResources()) {
if(uri.fragment() == null) {
continue;
}
EObject eObjectOfMarker = resource.getEObject(uri.fragment());
if(eObjectOfMarker != null) {
return eObjectOfMarker;
}
}
} catch (WrappedException e) {
}
return null;
}
}
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