Resolving wildcard aspect import with JdtSearchEngine

plugins/fr.inria.diverse.melange/src/main/java/fr/inria/diverse/melange/processors/AspectsCopier.xtend

@@ -4,6 +4,13 @@ import com.google.inject.Inject
 import fr.inria.diverse.melange.ast.MetamodelExtensions
 import fr.inria.diverse.melange.metamodel.melange.Metamodel
 import fr.inria.diverse.melange.utils.AspectCopier
+import java.util.List
+import org.eclipse.jdt.core.IType
+import org.eclipse.jdt.core.search.IJavaSearchConstants
+import org.eclipse.jdt.core.search.SearchEngine
+import org.eclipse.jdt.core.search.SearchMatch
+import org.eclipse.jdt.core.search.SearchPattern
+import org.eclipse.jdt.core.search.SearchRequestor
 import org.eclipse.xtext.xbase.jvmmodel.JvmTypeReferenceBuilder
 
 class AspectsCopier extends DispatchMelangeProcessor
@@ -24,6 +31,47 @@ class AspectsCopier extends DispatchMelangeProcessor
 					}
 				}
 			]
-		}	
+		}
+	}
+
+	private def List<String> resolveWildcardImport(String wildcardImport) {
+		val matches = newArrayList
+		val engine = new SearchEngine
+
+		val requestor = new SearchRequestor() {
+			override acceptSearchMatch(SearchMatch match) {
+				if (match.element instanceof IType) {
+					val type = match.element as IType
+					val fqn = type.fullyQualifiedName
+					val name = type.elementName
+
+					// No Context/Properties classes generated from  @Aspect
+					if (!(
+						   (name.endsWith("Context")
+						&& name.substring(0, (name.length - 7) / 2) == name.substring((name.length - 7) / 2, name.length - 7))
+						|| (name.endsWith("Properties")
+						&& name.substring(0, (name.length - 10) / 2) == name.substring((name.length - 10) / 2, name.length - 10))	
+					))
+						matches.add(type.fullyQualifiedName)
+				}
+			}
+		}
+
+		val pattern = SearchPattern.createPattern(
+			wildcardImport,
+			IJavaSearchConstants.CLASS,
+			IJavaSearchConstants.DECLARATIONS,
+			SearchPattern.R_PATTERN_MATCH
+		)
+
+		engine.search(
+			pattern,
+			#[SearchEngine.defaultSearchParticipant],
+			SearchEngine.createWorkspaceScope,
+			requestor,
+			null
+		)
+
+		return matches
 	}
 }