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Diffstat (limited to 'plugins/core/org.eclipse.papyrus.core/src/org/eclipse/papyrus/core/utils/ValidationUtils.java')
-rw-r--r--plugins/core/org.eclipse.papyrus.core/src/org/eclipse/papyrus/core/utils/ValidationUtils.java78
1 files changed, 78 insertions, 0 deletions
diff --git a/plugins/core/org.eclipse.papyrus.core/src/org/eclipse/papyrus/core/utils/ValidationUtils.java b/plugins/core/org.eclipse.papyrus.core/src/org/eclipse/papyrus/core/utils/ValidationUtils.java
new file mode 100644
index 00000000000..39416d4876e
--- /dev/null
+++ b/plugins/core/org.eclipse.papyrus.core/src/org/eclipse/papyrus/core/utils/ValidationUtils.java
@@ -0,0 +1,78 @@
+package org.eclipse.papyrus.core.utils;
+
+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;
+
+
+public class ValidationUtils {
+
+ /**
+ * Return the EObject retrieved from the URI attribute in the map. Retrieve it either via the marker itself
+ * or via the attribute mapping (required in case a deleted marker)
+ *
+ * @param marker
+ * the problem marker
+ * @param attributes
+ * a map of the problem marker
+ * @param domain
+ * the editing domain used for the conversion from URI to eObecjt
+ * @return
+ */
+ 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;
+ }
+
+ /**
+ * Return an eObject from the set of resources associated with an editing domain.
+ * The first EObject whose ID corresponds to the fragment of the URI is returned.
+ *
+ * @param uri
+ * the URI of an element
+ * @param domain
+ * the editing domain
+ * @return
+ */
+ 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;
+ }
+}

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