bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/internal/templates/LoadBytesTemplate.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.graph.compiler.ExternalFileLoader;\r
   9 import org.simantics.graph.compiler.internal.store.LocationStore;\r
  10 import org.simantics.graph.compiler.internal.store.PreValueStore;\r
  11 import org.simantics.graph.query.IGraph;\r
  12 import org.simantics.graph.store.GraphStore;\r
  13 import org.simantics.ltk.Location;\r
  14 import org.simantics.ltk.Problem;\r
  15 \r
  16 public enum LoadBytesTemplate implements ITemplate {\r
  17         INSTANCE;\r
  18         \r
  19         @Override\r
  20         public void apply(IGraph graph, GraphStore store,\r
  21                         int[] parameters, ExternalFileLoader fileLoader, Collection<Problem> problems) {\r
  22                 String fileName = store.getStore(PreValueStore.class).getStringValue(parameters[1]);\r
  23                 if(fileName == null) {\r
  24                         Location location = store.getStore(LocationStore.class)\r
  25                         .getLocation(parameters[1]);\r
  26                         problems.add(new Problem(\r
  27                                 location, "Expected a string"));\r
  28                 }               \r
  29                 try {\r
  30                         byte[] data = fileLoader.load(fileName);\r
  31                         store.values.setValue(parameters[0], \r
  32                                         new Variant(Bindings.BYTE_ARRAY, data)\r
  33                                         );\r
  34                 } catch (IOException e) {\r
  35                         Location location = store.getStore(LocationStore.class)\r
  36                                 .getLocation(parameters[1]);\r
  37                         problems.add(new Problem(\r
  38                                         location, e.getMessage()));\r
  39                 }               \r
  40         }\r
  41 \r
  42 }\r