net.mograsim.logic.ui/src/net/mograsim/logic/ui/serializing/IndirectGUIComponentCreator.java

   1 package net.mograsim.logic.ui.serializing;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.lang.reflect.Constructor;
   6 import java.lang.reflect.InvocationTargetException;
   7 import java.util.HashMap;
   8 import java.util.Map;
   9
  10 import net.mograsim.logic.ui.model.ViewModelModifiable;
  11 import net.mograsim.logic.ui.model.components.GUIComponent;
  12 import net.mograsim.logic.ui.model.components.atomic.SimpleRectangularGUIGate;
  13 import net.mograsim.logic.ui.model.components.submodels.SimpleRectangularSubmodelComponent;
  14 import net.mograsim.logic.ui.model.wires.WireCrossPoint;
  15 import net.mograsim.logic.ui.util.JsonHandler;
  16
  17 public class IndirectGUIComponentCreator
  18 {
  19         private final static Map<String, String> componentMapping;
  20
  21         static
  22         {
  23                 Map<String, String> tmp;
  24                 try (InputStream s = IndirectGUIComponentCreator.class.getResourceAsStream("./mapping.json"))
  25                 {
  26                         tmp = JsonHandler.readJson(s, Map.class);
  27                 }
  28                 catch (IOException e)
  29                 {
  30                         System.err.println("Failed to initialize component mapping; Components cannot be created from file.");
  31                         e.printStackTrace();
  32                         tmp = new HashMap<>();
  33                 }
  34                 componentMapping = tmp;
  35         }
  36
  37         public static GUIComponent create(ViewModelModifiable model, String name, Map<String, Object> params)
  38         {
  39                 try
  40                 {
  41                         String path = componentMapping.get(name);
  42                         if (path.startsWith("class:"))
  43                         {
  44                                 path = path.substring(6);
  45                                 return createComponentFromClass(model, path, params);
  46                         } else if (path.startsWith("file:"))
  47                         {
  48                                 path = path.substring(5);
  49                                 return SubmodelComponentDeserializer.create(model, path);
  50                         } else
  51                                 throw new IllegalArgumentException("Invalid submodel type! Type was neither prefixed by 'class:' nor by 'file:'");
  52                 }
  53                 catch (NullPointerException | InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException
  54                                 | SecurityException | ClassNotFoundException | IllegalArgumentException e)
  55                 {
  56                         System.err.println("Failed to create requested component!");
  57                         e.printStackTrace();
  58                         return new SimpleRectangularSubmodelComponent(model, 1, "ERROR");
  59                 }
  60         }
  61
  62         private static GUIComponent createComponentFromClass(ViewModelModifiable model, String classname, Map<String, Object> params)
  63                         throws InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException, SecurityException,
  64                         ClassNotFoundException
  65         {
  66                 Class<?> c = Class.forName(classname);
  67                 Object comp;
  68                 if (SimpleRectangularGUIGate.class.isAssignableFrom(c) || WireCrossPoint.class.equals(c))
  69                 {
  70                         Constructor<?> constructor = c.getConstructor(ViewModelModifiable.class, int.class);
  71                         comp = constructor.newInstance(model, ((Number) params.get(SimpleRectangularGUIGate.kLogicWidth)).intValue());
  72                 } else
  73                 {
  74                         Constructor<?> constructor = c.getConstructor(ViewModelModifiable.class);
  75                         comp = constructor.newInstance(model);
  76                 }
  77                 return (GUIComponent) comp;
  78         }
  79 }