updates

Model/src/main/java/edu/inventorym/model/DataRepository.java

@@ -15,12 +15,15 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.security.SecureRandom;
+import java.util.ArrayList;
 import java.util.Base64;
 import java.util.List;
 
 import jakarta.json.Json;
 import jakarta.json.JsonArray;
 import jakarta.json.JsonException;
+import jakarta.json.JsonObject;
+import jakarta.json.JsonValue;
 import jakarta.json.bind.Jsonb;
 import jakarta.json.bind.JsonbBuilder;
 import jakarta.json.bind.JsonbConfig;
@@ -144,10 +147,38 @@ public class DataRepository {
             result = in.readAllAsString();
         }
 
-        List<InventoryPiece> inventory = mapJsonToObjectList(result, InventoryPiece.class);
+        List<InventoryPiece> inventory;
 
-        manager.INVENTORY.clear();
-        manager.INVENTORY.addAll(inventory);
+        try (var reader = Json.createReader(new StringReader(result));
+                Jsonb jsonb = JsonbBuilder.create()) {
+            JsonArray jsonArray = reader.readArray();
+
+            inventory = new ArrayList<InventoryPiece>();
+
+            jsonArray.forEach(item -> {
+                try {
+                    switch (item.asJsonObject().getString("type")) {
+                        case "DRAWING":
+                            inventory.add(jsonb.fromJson(item.toString(), Drawing.class));
+                            break;
+                        case "PAINTING":
+                            inventory.add(jsonb.fromJson(item.toString(), Painting.class));
+                            break;
+                        case "PRINT":
+                            inventory.add(jsonb.fromJson(item.toString(), Print.class));
+                            break;
+                        case "SCULPTURE":
+                            inventory.add(jsonb.fromJson(item.toString(), Sculpture.class));
+                            break;
+                    }
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            });
+
+            manager.INVENTORY.clear();
+            manager.INVENTORY.addAll(inventory);
+        }
     }
 
     public final static class getRepositoryConfig {

Model/src/main/java/edu/inventorym/model/InventoryManager.java

@@ -4,6 +4,7 @@
 */
 package edu.inventorym.model;
 
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.util.EnumSet;
 import java.util.Set;
@@ -31,7 +32,7 @@ public class InventoryManager {
                 return iv;
             }
         }
-        
+
         return null;
     }
 
@@ -50,13 +51,15 @@ public class InventoryManager {
     public void load() {
         try {
             DataRepository.WalkFileSystemTree(this);
+        } catch (FileNotFoundException e) {
+            System.out.println(String.format("INVENTORY: %s", e.getLocalizedMessage().toString()));
         } catch (Exception e) {
             e.printStackTrace();
         }
     }
 
     public InventoryPiece Remove(InventoryPiece iPiece) {
-        int i = INVENTORY.indexOf(iPiece);        
+        int i = INVENTORY.indexOf(iPiece);
         return INVENTORY.remove(i);
     };