net.mograsim.logic.model/src/net/mograsim/logic/model/serializing/ViewModelSerializer.java

   1 package net.mograsim.logic.model.serializing;
   2
   3 import java.io.IOException;
   4 import java.util.Arrays;
   5 import java.util.Collection;
   6 import java.util.Comparator;
   7 import java.util.HashMap;
   8 import java.util.HashSet;
   9 import java.util.Map;
  10 import java.util.Set;
  11
  12 import com.google.gson.JsonElement;
  13
  14 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
  15 import net.mograsim.logic.model.model.ViewModel;
  16 import net.mograsim.logic.model.model.ViewModelModifiable;
  17 import net.mograsim.logic.model.model.components.GUIComponent;
  18 import net.mograsim.logic.model.model.components.submodels.SubmodelComponent;
  19 import net.mograsim.logic.model.model.wires.GUIWire;
  20 import net.mograsim.logic.model.serializing.ViewModelParams.ComponentParams;
  21 import net.mograsim.logic.model.serializing.ViewModelParams.WireParams;
  22 import net.mograsim.logic.model.serializing.ViewModelParams.WireParams.PinParams;
  23 import net.mograsim.logic.model.util.JsonHandler;
  24 import net.mograsim.logic.model.util.Version;
  25
  26 public class ViewModelSerializer
  27 {
  28         public static final Version CURRENT_JSON_VERSION = Version.parseSemver("0.1.1");
  29
  30         // convenience methods
  31         /**
  32          * Like {@link #deserialize(ViewModelParams)}, but first reading the {@link ViewModelParams} from the given file path.
  33          *
  34          * @author Daniel Kirschten
  35          */
  36         public static ViewModelModifiable deserialize(String sourcePath) throws IOException
  37         {
  38                 return deserialize(JsonHandler.readJson(sourcePath, ViewModelParams.class));
  39         }
  40
  41         /**
  42          * Like {@link #deserialize(ViewModelModifiable, ViewModelParams)}, but first reading the {@link ViewModelParams} from the given file
  43          * path.
  44          *
  45          * @author Daniel Kirschten
  46          */
  47         public static void deserialize(ViewModelModifiable model, String sourcePath) throws IOException
  48         {
  49                 deserialize(model, JsonHandler.readJson(sourcePath, ViewModelParams.class));
  50         }
  51
  52         /**
  53          * Like {@link #deserialize(ViewModelModifiable, ViewModelParams)}, but using a newly created {@link ViewModelModifiable}.
  54          *
  55          * @author Daniel Kirschten
  56          */
  57         public static ViewModelModifiable deserialize(ViewModelParams params)
  58         {
  59                 ViewModelModifiable model = new ViewModelModifiable();
  60                 deserialize(model, params);
  61                 return model;
  62         }
  63
  64         /**
  65          * Like {@link #serialize(ViewModel)}, but instead of returning the generated {@link ViewModelParams} they are written to a file at the
  66          * given path.
  67          *
  68          * @author Daniel Kirschten
  69          */
  70         public static void serialize(ViewModel model, String targetPath) throws IOException
  71         {
  72                 JsonHandler.writeJson(serialize(model), targetPath);
  73         }
  74
  75         /**
  76          * Like {@link #serialize(ViewModel, IdentifierGetter)}, but instead of returning the generated {@link ViewModelParams} they are written
  77          * to a file at the given path.
  78          *
  79          * @author Daniel Kirschten
  80          */
  81         public static void serialize(ViewModel model, IdentifierGetter idGetter, String targetPath) throws IOException
  82         {
  83                 JsonHandler.writeJson(serialize(model, idGetter), targetPath);
  84         }
  85
  86         /**
  87          * {@link #serialize(ViewModel, IdentifierGetter)} using a default {@link IdentifierGetter} (see <code>IdentifierGetter</code>'s
  88          * {@link IdentifierGetter#IdentifierGetter() default constructor})
  89          *
  90          * @author Daniel Kirschten
  91          */
  92         public static ViewModelParams serialize(ViewModel model)
  93         {
  94                 return serialize(model, new IdentifierGetter());
  95         }
  96
  97         // "core" methods
  98         /**
  99          * Deserializes components and wires from the specified {@link ViewModelParams} and adds them to the given {@link ViewModelModifiable}.
 100          *
 101          * @author Fabian Stemmler
 102          * @author Daniel Kirschten
 103          */
 104         @SuppressWarnings("unused") // for GUIWire being created
 105         public static void deserialize(ViewModelModifiable model, ViewModelParams params)
 106         {
 107                 Map<String, GUIComponent> componentsByName = model.getComponentsByName();
 108                 GUIComponent[] components = new GUIComponent[params.components.length];
 109                 for (int i = 0; i < components.length; i++)
 110                 {
 111                         ComponentParams compParams = params.components[i];
 112                         components[i] = IndirectGUIComponentCreator.createComponent(model, compParams.id, compParams.params, compParams.name);
 113                         components[i].moveTo(compParams.pos.x, compParams.pos.y);
 114                 }
 115
 116                 for (int i = 0; i < params.wires.length; i++)
 117                 {
 118                         WireParams wire = params.wires[i];
 119                         new GUIWire(model, wire.name, componentsByName.get(wire.pin1.compName).getPin(wire.pin1.pinName),
 120                                         componentsByName.get(wire.pin2.compName).getPin(wire.pin2.pinName), wire.path);
 121                 }
 122         }
 123
 124         /**
 125          * Returns {@link ViewModelModifiable}, which describe the components and wires in the given {@link ViewModel}. <br>
 126          * Components are serialized in the following way: <br>
 127          * If a component is a <code>SubmodelComponent</code> which has been deserialized, and it has an
 128          * {@link DeserializedSubmodelComponent#idForSerializingOverride idForSerializingOverride} set (e.g. non-null; see
 129          * {@link SubmodelComponentSerializer#deserialize(ViewModelModifiable, SubmodelComponentParams, String, String, JsonElement)
 130          * SubmodelComponentSerializer.deserialize(...)}), this ID and the component's
 131          * {@link DeserializedSubmodelComponent#paramsForSerializingOverride paramsForSerializingOverride} are written.<br>
 132          * If this case doesn't apply (e.g. if the component is not a <code>SubmodelComponent</code>; or it is a <code>SubmodelComponent</code>,
 133          * but hasn't been deserialized; or it has no {@link DeserializedSubmodelComponent#idForSerializingOverride idForSerializingOverride}
 134          * set), the ID defined by <code>idGetter</code> and the params obtained by {@link GUIComponent#getParamsForSerializing() getParams()}
 135          * are written.
 136          *
 137          * @author Fabian Stemmler
 138          * @author Daniel Kirschten
 139          */
 140         public static ViewModelParams serialize(ViewModel model, IdentifierGetter idGetter)
 141         {
 142                 ViewModelParams modelParams = new ViewModelParams(CURRENT_JSON_VERSION);
 143
 144                 Map<String, GUIComponent> components = new HashMap<>(model.getComponentsByName());
 145                 components.remove(SubmodelComponent.SUBMODEL_INTERFACE_NAME);
 146                 Set<ComponentParams> componentsParams = new HashSet<>();
 147                 for (GUIComponent component : components.values())
 148                 {
 149                         ComponentParams compParams = new ComponentParams();
 150                         componentsParams.add(compParams);
 151                         compParams.pos = new Point(component.getPosX(), component.getPosY());
 152                         DeserializedSubmodelComponent innerCompCasted;
 153                         if (component instanceof DeserializedSubmodelComponent
 154                                         && (innerCompCasted = (DeserializedSubmodelComponent) component).idForSerializingOverride != null)
 155                         {
 156                                 compParams.id = innerCompCasted.idForSerializingOverride;
 157                                 compParams.params = innerCompCasted.paramsForSerializingOverride;
 158                         } else
 159                         {
 160                                 compParams.id = idGetter.componentIDs.apply(component);
 161                                 compParams.params = component.getParamsForSerializingJSON(idGetter);
 162                         }
 163                         compParams.name = component.name;
 164                 }
 165                 modelParams.components = componentsParams.toArray(ComponentParams[]::new);
 166                 Arrays.sort(modelParams.components, Comparator.comparing(c -> c.name));
 167
 168                 Collection<GUIWire> wires = model.getWiresByName().values();
 169                 Set<WireParams> wiresParams = new HashSet<>();
 170                 for (GUIWire innerWire : wires)
 171                 {
 172                         WireParams innerWireParams = new WireParams();
 173                         wiresParams.add(innerWireParams);
 174                         PinParams pin1Params = new PinParams(), pin2Params = new PinParams();
 175
 176                         pin1Params.pinName = innerWire.getPin1().name;
 177                         pin1Params.compName = innerWire.getPin1().component.name;
 178                         pin2Params.pinName = innerWire.getPin2().name;
 179                         pin2Params.compName = innerWire.getPin2().component.name;
 180                         innerWireParams.name = innerWire.name;
 181                         innerWireParams.pin1 = pin1Params;
 182                         innerWireParams.pin2 = pin2Params;
 183                         innerWireParams.path = innerWire.getPath();
 184                 }
 185                 modelParams.wires = wiresParams.toArray(WireParams[]::new);
 186                 Arrays.sort(modelParams.wires, Comparator.comparing(c -> c.name));
 187
 188                 return modelParams;
 189         }
 190 }