1 files changed, 101 insertions, 0 deletions
diff --git a/plugins/uml/org.eclipse.papyrus.uml.search.ui/src/org/eclipse/papyrus/uml/search/ui/validator/ParticipantValidator.java b/plugins/uml/org.eclipse.papyrus.uml.search.ui/src/org/eclipse/papyrus/uml/search/ui/validator/ParticipantValidator.java
new file mode 100644
index 00000000000..177ff26c248
--- /dev/null
+++ b/plugins/uml/org.eclipse.papyrus.uml.search.ui/src/org/eclipse/papyrus/uml/search/ui/validator/ParticipantValidator.java
@@ -0,0 +1,101 @@
+/*****************************************************************************
+ * 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.validator;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+
+import org.eclipse.emf.common.util.TreeIterator;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.uml2.uml.Element;
+import org.eclipse.uml2.uml.Stereotype;
+
+/**
+ * 
+ * A generic implementation of participant validator that works on EMF basis
+ * 
+ */
+public class ParticipantValidator implements IParticipantValidator {
+
+	private static ParticipantValidator instance = null;
+
+	private ParticipantValidator() {
+		super();
+	}
+
+	public final static ParticipantValidator getInstance() {
+
+		if(ParticipantValidator.instance == null) {
+			synchronized(ParticipantValidator.class) {
+				if(ParticipantValidator.instance == null) {
+					ParticipantValidator.instance = new ParticipantValidator();
+				}
+			}
+		}
+		return ParticipantValidator.instance;
+	}
+
+	public Collection<EObject> getParticipants(EObject root, Object[] participantsTypes) {
+
+		List<Object> participantsTypesList = Arrays.asList(participantsTypes);
+		List<EObject> results = new ArrayList<EObject>();
+
+
+
+		// ... and all its content
+		TreeIterator<EObject> it = root.eAllContents();
+		while(it.hasNext()) {
+			EObject modelElement = (EObject)it.next();
+			//Check that metaclass of this element is a supported metaclass
+
+			if(participantsTypesList.contains(modelElement.eClass())) {
+				results.add(modelElement);
+			}
+		}
+
+		return results;
+	}
+
+
+	public Collection<EObject> getParticipantsStereotype(EObject root, Object[] participantsTypes) {
+
+		List<Object> participantsTypesList = Arrays.asList(participantsTypes);
+		List<EObject> results = new ArrayList<EObject>();
+
+		// Evaluate root...
+		if(participantsTypesList.contains(root.eClass())) {
+			results.add(root);
+		}
+
+		// ... and all its content
+		TreeIterator<EObject> it = root.eAllContents();
+		while(it.hasNext()) {
+			EObject modelElement = (EObject)it.next();
+			if(modelElement instanceof Element) {
+				for(Stereotype element : ((Element)modelElement).getAppliedStereotypes()) {
+					//Check that metaclass of this element is a supported metaclass
+					for(Object stereotypeToGet : participantsTypesList) {
+						if(element.getName().equals(((Stereotype)stereotypeToGet).getName())) {
+							results.add(modelElement);
+						}
+					}
+				}
+			}
+		}
+
+		return results;
+	}
+}