--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2017 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ * Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.model.tests;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.exception.InvalidVariableException;
+import org.simantics.db.layer0.variable.Variable;
+
+/**
+ * @author Tuukka Lehtonen
+ * @since 1.30.0
+ */
+public enum HasURITest implements Test {
+ INSTANCE;
+
+ public static HasURITest get() {
+ return INSTANCE;
+ }
+
+ @Override
+ public boolean isCompatible(Class<?> contentType) {
+ return contentType.equals(Resource.class) || contentType.equals(Variable.class);
+ }
+
+ @Override
+ public boolean test(ReadGraph graph, Object content) throws DatabaseException {
+ if (content instanceof Resource) {
+ return graph.getPossibleURI((Resource) content) != null;
+ } else if (content instanceof Variable) {
+ try {
+ Variable v = (Variable) content;
+ return v.getURI(graph) != null;
+ } catch (InvalidVariableException e) {
+ return false;
+ }
+ }
+ return false;
+ }
+
+}