1 files changed, 93 insertions, 0 deletions
diff --git a/plugins/infra/services/org.eclipse.papyrus.infra.services.markerlistener/src/org/eclipse/papyrus/infra/services/markerlistener/util/MarkerListenerUtils.java b/plugins/infra/services/org.eclipse.papyrus.infra.services.markerlistener/src/org/eclipse/papyrus/infra/services/markerlistener/util/MarkerListenerUtils.java
new file mode 100644
index 00000000000..ed45b959cdb
--- /dev/null
+++ b/plugins/infra/services/org.eclipse.papyrus.infra.services.markerlistener/src/org/eclipse/papyrus/infra/services/markerlistener/util/MarkerListenerUtils.java
@@ -0,0 +1,93 @@
+/*****************************************************************************
+ * 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;
+
+
+// TODO: Auto-generated Javadoc
+/**
+ * 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()) {
+				EObject eObjectOfMarker = resource.getEObject(uri.fragment());
+				if(eObjectOfMarker != null) {
+					return eObjectOfMarker;
+				}
+			}
+		} catch (WrappedException e) {
+		}
+		return null;
+	}
+
+}