Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / scl / imports / OntologiesQuery.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/scl/imports/OntologiesQuery.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/scl/imports/OntologiesQuery.java
new file mode 100644 (file)
index 0000000..3aa9170
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/scl/imports/OntologiesQuery.java
@@ -0,0 +1,35 @@
+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