initial

list.json

@@ -1 +0,0 @@
-[{"name":"name","note":"notes","price":15.0,"weight":5.0,"delivered":true,"expectedDate":"2022-07-20T12:12"},{"name":"n2","note":"n2","price":15.0,"weight":16.0,"delivered":false,"expectedDate":"2023-05-20T15:20"},{"name":"n3","note":"n3","price":5.0,"weight":10.0,"delivered":false,"expectedDate":"2020-05-05T12:15"}]

src/BookPackage.java

@@ -0,0 +1,17 @@
+import java.time.LocalDateTime;
+
+public class BookPackage extends PackageInfo{
+    String author;
+
+    public BookPackage(String name, String note, double price, double weight, boolean delivered, LocalDateTime expectedDate, String author) {
+
+        super(name, note, price, weight, delivered, expectedDate);
+        this.author = author;
+    }
+
+    @Override
+    public String toString() {
+        return super.toString()+"author='" + author + '\'';
+    }
+}
+

src/ElectronicPackage.java

@@ -0,0 +1,15 @@
+import java.time.LocalDateTime;
+
+public class ElectronicPackage extends PackageInfo{
+    double handlingFee;
+
+    public ElectronicPackage(String name, String note, double price, double weight, boolean delivered, LocalDateTime expectedDate, double handlingFee) {
+        super(name, note, price, weight, delivered, expectedDate);
+        this.handlingFee = handlingFee;
+    }
+
+    @Override
+    public String toString() {
+        return super.toString()+"handlingFee=" + handlingFee;
+    }
+}

src/PackageFactory.java

@@ -0,0 +1,24 @@
+import java.time.LocalDateTime;
+
+public enum PackageFactory {
+    Book {
+        public PackageInfo getInstance(String name, String notes, double price, double weight, boolean delivered, LocalDateTime expectedDate, String author) {
+            return new BookPackage(name, notes, price, weight, delivered, expectedDate, author);
+        }
+    }
+
+    Perishable {
+        public PackageInfo getInstance (String name, String notes,double price, double weight,
+        boolean delivered, LocalDateTime expectedDate, LocalDateTime expiryDate){
+            return new PerishablePackage(name, notes, price, weight, delivered, expectedDate, expiryDate);
+        }
+    }
+
+    Electronic{
+        public PackageInfo getInstance(String name, String notes, double price, double weight, boolean delivered, LocalDateTime expectedDate, double handlingFee){
+            return new ElectronicPackage(name, notes, price, weight, delivered, expectedDate, handlingFee);
+        }
+    }
+}
+    //public static PackageInfo getInstance(PackageType type, String name, String notes, double price, double weight, boolean delivered, LocalDateTime expectedDate, @Nullable String author, @Nullable LocalDateTime expiryDate, @Nullable double handlingFee){
+    //}

src/PerishablePackage.java

@@ -0,0 +1,15 @@
+import java.time.LocalDateTime;
+
+public class PerishablePackage extends PackageInfo{
+    LocalDateTime expiryDate;
+
+    public PerishablePackage(String name, String note, double price, double weight, boolean delivered, LocalDateTime expectedDate, LocalDateTime expiryDate) {
+        super(name, note, price, weight, delivered, expectedDate);
+        this.expiryDate = expiryDate;
+    }
+
+    @Override
+    public String toString() {
+        return super.toString()+"expiryDate=" + expiryDate;
+    }
+}