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

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