--- /dev/null
+package org.simantics.graph.compiler.internal.templates;\r
+\r
+import java.io.IOException;\r
+import java.util.Collection;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.binding.mutable.Variant;\r
+import org.simantics.databoard.serialization.Serializer;\r
+import org.simantics.graph.compiler.ExternalFileLoader;\r
+import org.simantics.graph.compiler.internal.store.LocationStore;\r
+import org.simantics.graph.compiler.internal.store.PreValueStore;\r
+import org.simantics.graph.query.IGraph;\r
+import org.simantics.graph.store.GraphStore;\r
+import org.simantics.ltk.Location;\r
+import org.simantics.ltk.Problem;\r
+\r
+public enum LoadDataValueTemplate implements ITemplate {\r
+ INSTANCE;\r
+ \r
+ @Override\r
+ public void apply(IGraph graph, GraphStore store,\r
+ int[] parameters, ExternalFileLoader fileLoader, Collection<Problem> problems) {\r
+ String fileName = store.getStore(PreValueStore.class).getStringValue(parameters[1]);\r
+ if(fileName == null) {\r
+ Location location = store.getStore(LocationStore.class)\r
+ .getLocation(parameters[1]);\r
+ problems.add(new Problem(\r
+ location, "Expected a string"));\r
+ } \r
+ try {\r
+ byte[] bytes = fileLoader.load(fileName);\r
+ Serializer variantSerializer = Bindings.getSerializerUnchecked(Bindings.VARIANT);\r
+ Variant value = (Variant)variantSerializer.deserialize(bytes);\r
+ store.values.setValue(parameters[0], value);\r
+ } catch (IOException e) {\r
+ Location location = store.getStore(LocationStore.class)\r
+ .getLocation(parameters[1]);\r
+ problems.add(new Problem(\r
+ location, e.getMessage()));\r
+ } \r
+ }\r
+\r
+}\r