1 files changed, 62 insertions, 0 deletions
diff --git a/plugins/uml/org.eclipse.papyrus.uml.search.ui/src/org/eclipse/papyrus/uml/stereotypecollector/UMLResourceVisitor.java b/plugins/uml/org.eclipse.papyrus.uml.search.ui/src/org/eclipse/papyrus/uml/stereotypecollector/UMLResourceVisitor.java
new file mode 100644
index 00000000000..a5ca8a3f4de
--- /dev/null
+++ b/plugins/uml/org.eclipse.papyrus.uml.search.ui/src/org/eclipse/papyrus/uml/stereotypecollector/UMLResourceVisitor.java
@@ -0,0 +1,62 @@
+/*****************************************************************************
+ * 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.stereotypecollector;
+
+import java.util.Collection;
+import java.util.HashSet;
+
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceProxy;
+import org.eclipse.core.resources.IResourceProxyVisitor;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.emf.common.util.URI;
+
+/**
+ * 
+ * Implements a visitor that goes through a hierarchy of Iresource from a root and collect only those that can be processed for search
+ * 
+ */
+public class UMLResourceVisitor implements IResourceProxyVisitor {
+
+	private Collection<IResource> participants;
+
+	public UMLResourceVisitor() {
+		super();
+		this.participants = new HashSet<IResource>();
+	}
+
+	public boolean visit(IResourceProxy proxy) throws CoreException {
+		switch(proxy.getType()) {
+		case IResource.FILE:
+			IResource resource = proxy.requestResource();
+
+			URI uri = URI.createPlatformResourceURI(resource.getFullPath().toString(), true);
+
+			if("uml".equals(uri.fileExtension())) { //$NON-NLS-1$
+				participants.add(resource);
+
+			}
+
+			break;
+		default:
+			break;
+		}
+		return true;
+	}
+
+	public Collection<IResource> getParticipants() {
+		return participants;
+	}
+
+}