bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/internal/templates/LoadDataValueTemplate.java

   1 package org.simantics.graph.compiler.internal.templates;\r
   2 \r
   3 import java.io.IOException;\r
   4 import java.util.Collection;\r
   5 \r
   6 import org.simantics.databoard.Bindings;\r
   7 import org.simantics.databoard.binding.mutable.Variant;\r
   8 import org.simantics.databoard.serialization.Serializer;\r
   9 import org.simantics.graph.compiler.ExternalFileLoader;\r
  10 import org.simantics.graph.compiler.internal.store.LocationStore;\r
  11 import org.simantics.graph.compiler.internal.store.PreValueStore;\r
  12 import org.simantics.graph.query.IGraph;\r
  13 import org.simantics.graph.store.GraphStore;\r
  14 import org.simantics.ltk.Location;\r
  15 import org.simantics.ltk.Problem;\r
  16 \r
  17 public enum LoadDataValueTemplate implements ITemplate {\r
  18         INSTANCE;\r
  19         \r
  20         @Override\r
  21         public void apply(IGraph graph, GraphStore store,\r
  22                         int[] parameters, ExternalFileLoader fileLoader, Collection<Problem> problems) {\r
  23                 String fileName = store.getStore(PreValueStore.class).getStringValue(parameters[1]);\r
  24                 if(fileName == null) {\r
  25                         Location location = store.getStore(LocationStore.class)\r
  26                         .getLocation(parameters[1]);\r
  27                         problems.add(new Problem(\r
  28                                 location, "Expected a string"));\r
  29                 }               \r
  30                 try {\r
  31                     byte[] bytes = fileLoader.load(fileName);\r
  32                     Serializer variantSerializer = Bindings.getSerializerUnchecked(Bindings.VARIANT);\r
  33                     Variant value = (Variant)variantSerializer.deserialize(bytes);\r
  34                         store.values.setValue(parameters[0], value);\r
  35                 } catch (IOException e) {\r
  36                         Location location = store.getStore(LocationStore.class)\r
  37                                 .getLocation(parameters[1]);\r
  38                         problems.add(new Problem(\r
  39                                 location, e.getMessage()));\r
  40                 }               \r
  41         }\r
  42 \r
  43 }\r