--- /dev/null
+package org.simantics.modeling.ui.scl.imports;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.request.Read;\r
+import org.simantics.layer0.Layer0;\r
+\r
+public enum OntologiesQuery implements Read<Collection<String>> {\r
+ INSTANCE;\r
+\r
+ @Override\r
+ public Collection<String> perform(ReadGraph graph) throws DatabaseException {\r
+ ArrayList<String> result = new ArrayList<String>(); \r
+ \r
+ Layer0 L0 = Layer0.getInstance(graph);\r
+ browse(graph, L0, graph.getRootLibrary(), result);\r
+ \r
+ return result;\r
+ }\r
+\r
+ private static void browse(ReadGraph graph, Layer0 L0, Resource current,\r
+ ArrayList<String> result) throws DatabaseException {\r
+ if(graph.isInstanceOf(current, L0.Ontology))\r
+ result.add(graph.getURI(current));\r
+ else if(graph.isInstanceOf(current, L0.Library)) {\r
+ for(Resource child : graph.getObjects(current, L0.ConsistsOf))\r
+ browse(graph, L0, child, result);\r
+ }\r
+ }\r
+\r
+}\r