clean up.

src/java/lodge/TestReservations.java

@@ -12,6 +12,7 @@ import lodge.reservationsystem.HotelReservation;
 import lodge.reservationsystem.HouseReservation;
 import lodge.reservationsystem.Reservation;
 import lodge.reservationsystem.ReservationStatusEnum;
+import lodge.reservationsystem.DuplicateObjectException;
 
 public final class TestReservations {
         public static void main(String[] args) throws Exception {
@@ -91,12 +92,12 @@ public final class TestReservations {
                 Reservation rsrv = account.getReservation_list().getLast();
 
                 // 6. Complete reservation that is associated with an account
-                rsrv = mgr.retreiveReservation(cabin.getReservation_number());
+                rsrv = mgr.retreiveReservation(rsrv.getReservation_number());
                 rsrv.Change(rsrv, ReservationStatusEnum.Completed);
                 mgr.UpdateAccount(mgr.retrieveAccount(acct.account_number()));
 
                 // 7. Cancel reservation that is associated with an account
-                rsrv = mgr.retreiveReservation(cabin.getReservation_number());
+                rsrv = mgr.retreiveReservation(rsrv.getReservation_number());
                 rsrv.Change(rsrv, ReservationStatusEnum.Canceled);
                 mgr.UpdateAccount(mgr.retrieveAccount(acct.account_number()));
                 /*

src/java/lodge/reservationsystem/AccomodationManager.java

@@ -7,7 +7,6 @@ public final class AccomodationManager {
 
     private final AccountList account_list = new AccountList();
 
-    @SuppressWarnings("unused")
     AccomodationManager() {
     };
 
@@ -30,10 +29,9 @@ public final class AccomodationManager {
 
     // Load / Deserialize Account
     void load(Path file) throws Exception {
-       AddAccount( DataRepository.LoadAccount(file) );
+    
         Account account = DataRepository.LoadAccount(file);
-        if( account == null )
+        if (account == null) {
-        {
             System.out.println(String.format("%s", file.toString()));
         } else {
             account_list.add(account);
@@ -53,9 +51,10 @@ public final class AccomodationManager {
     }
 
     public void UpdateAccount(Account acct) throws Exception {
-
+        if( acct != null ){
             AccountList.save(account_list, acct);
         }
+    }
 
     public final Account newAccount(String phone_number, Address mailing_address, EmailAddress email_address)
             throws Exception {

src/java/lodge/reservationsystem/Account.java

@@ -55,7 +55,7 @@ public class Account {
                         result = reservation_list.add(rsrv);
 
                         if (!result) {
-                                throw new ReservationException("Error Reservation already exists.");
+                                throw new DuplicateObjectException("Error Reservation already exists.");
                         }
                 } catch (ReservationException e) {
                         e.printStackTrace();

src/java/lodge/reservationsystem/AccountList.java

@@ -13,7 +13,8 @@ public class AccountList extends ArrayList<Account> {
         return String.format("A%09d", Math.abs(java.util.Objects.hash(phone_number, mailing_address, email_address)));
     }
 
-    public static Account newAccount(String phone_number,  Address mailing_address, EmailAddress email_address) throws Exception {
+    public static Account newAccount(String phone_number, Address mailing_address, EmailAddress email_address)
+            throws Exception {
         Account A = new Account(AccountList.accountSerial(phone_number, mailing_address, email_address),
                 phone_number,
                 mailing_address,
@@ -21,20 +22,21 @@ public class AccountList extends ArrayList<Account> {
 
         return A;
     }
+
     // ** Add account throw error if account number is pre-existing. */
-    public static Account addAccount(final AccountList account_list, final Account account) throws DuplicateObjectException, AccountException {
+    public static Account addAccount(final AccountList account_list, final Account account)
-        String acctNumber = "";
+            throws DuplicateObjectException, AccountException {
+        try {
             for (Account acct : account_list) {
-            if( acct.account_number() == account.account_number() ){
+                if (acct.account_number().compareTo(account.account_number()) == 0) {
-                acctNumber = acct.account_number();
+                    throw new DuplicateObjectException(
-                break;
+                            String.format("Account %s exists, duplicates not allowed.", acct.account_number()));
                 }
             }
-        if (!acctNumber.isEmpty()) {
+        } catch (DuplicateObjectException e) {
-            throw new DuplicateObjectException("Account exists, duplicates not allowed.");
+            return null;
-        } else {
+        }
         account_list.add(account);
-        }
         return account;
     }
 

src/java/lodge/reservationsystem/AccountReservationList.java

@@ -16,9 +16,9 @@ public class AccountReservationList extends ArrayList<Reservation> {
             return false;
         }   
         for(Reservation rsrv: this){
-            boolean result = reservation.getReservation_number().compareTo(rsrv.getReservation_number()) == 0;
+            result = reservation.getReservation_number().compareTo(rsrv.getReservation_number()) == 0;
             if(result){
-                return result; 
+                return false;
             }
         }
         reservation.reservation_number = AccountReservationList.reservationSerial(reservation);

src/java/lodge/reservationsystem/DataRepository.java

@@ -3,7 +3,6 @@ package lodge.reservationsystem;
 import java.io.BufferedReader;
 import java.io.FileReader;
 import java.io.IOException;
-import java.lang.reflect.Type;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.FileVisitResult;
 import java.nio.file.Files;
@@ -13,7 +12,6 @@ import java.nio.file.SimpleFileVisitor;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.time.ZonedDateTime;
 
-
 import com.google.gson.stream.JsonReader;
 
 final class DataRepository {
@@ -66,14 +64,6 @@ final class DataRepository {
         });
     }
     
-    public static Account LoadAccount(Path file) throws IOException {
-        Account ac = null;
-        try (BufferedReader in = new BufferedReader(new FileReader(file.toFile(), StandardCharsets.UTF_8))) {
-            JsonReader jsonReader = new JsonReader(in);
-    /**
-     * @param file
-     * @throws IOException
-     */
     public final static Account LoadAccount(final Path file) throws IOException {
         /** @TODO finish loading Account */
         try (BufferedReader in = new BufferedReader(new FileReader(file.toFile(), StandardCharsets.UTF_8));
@@ -133,7 +123,6 @@ final class DataRepository {
             jsonReader.close();
             return ac.account_number.length() > 8 ? ac : null;
         }
-        return ac;
     }
 
     static void loadReservationRefList(JsonReader rdr, Account ac) throws IOException {

src/java/lodge/reservationsystem/DuplicateObjectException.java

@@ -1,6 +1,6 @@
 package lodge.reservationsystem;
 
-class DuplicateObjectException extends RuntimeException {
+public class DuplicateObjectException extends RuntimeException {
     public DuplicateObjectException() {
         super();
     }

src/resources/acc-A1450981765.json

@@ -0,0 +1 @@
+{ "Account":{"account_number": "A1450981765","phone_number": "701-456-7890","mailing_address": { "Address":{"street": "10 wilco ave","city": "wilco","state": "WY","zip": "82801"}},"email_address": { "EmailAddress":{"email": "wilco@wyommin.net"}},"reservation_list":[{"HotelReservation":{"reservation_number":"R0123077641"}},{"CabinReservation":{"reservation_number":"R2042828431"}},{"HouseReservation":{"reservation_number":"R0499811708"}}]}}

src/resources/rsv-R0123077641.json

@@ -0,0 +1 @@
+{ "HotelReservation":{"reservation_type": "HotelReservation","reservation_number": "R0123077641","reservation_status": "Draft","reservation_start_date": "2025-07-05T10:00Z[UTC]","reservation_end_date": "2025-11-30T22:00Z[UTC]","physical_address": { "Address":{"street": "400 hotel ave","city": "Maryland City","state": "CA","zip": "20723"}},"mailing_address": { "Address":{"street": "400 hotel ave","city": "Maryland City","state": "MD","zip": "20723"}},"kitchen": "None","numberOfBeds": "2","numberOfBedRooms": "1","numberOfBathRooms": "1","numberOfFloors": "1","squareFeet": "450","price": "120.0"}}

src/resources/rsv-R0499811708.json

@@ -0,0 +1 @@
+{ "HouseReservation":{"reservation_type": "HouseReservation","reservation_number": "R0499811708","reservation_status": "Draft","reservation_start_date": "2025-09-05T10:00Z[UTC]","reservation_end_date": "2025-11-30T22:00Z[UTC]","physical_address": { "Address":{"street": "3000 Osage ave","city": "GreenBelt","state": "MD","zip": "20740"}},"mailing_address": { "Address":{"street": "40012 College ave","city": "College Park","state": "MD","zip": "20740"}},"kitchen": "FullKitchen","numberOfBeds": "4","numberOfBedRooms": "3","numberOfBathRooms": "1","numberOfFloors": "3","squareFeet": "1400","price": "120.0"}}

src/resources/rsv-R2042828431.json

@@ -0,0 +1 @@
+{ "CabinReservation":{"reservation_type": "CabinReservation","reservation_number": "R2042828431","reservation_status": "Completed","reservation_start_date": "2025-09-05T10:00Z[UTC]","reservation_end_date": "2025-11-30T22:00Z[UTC]","physical_address": { "Address":{"street": "30 cabin ave","city": "Carnelian","state": "CA","zip": "96140"}},"mailing_address": { "Address":{"street": "40 cabin ave","city": "Carnelian Bay","state": "CA","zip": "96140"}},"kitchen": "Kitchenette","numberOfBeds": "4","numberOfBedRooms": "3","numberOfBathRooms": "1","numberOfFloors": "2","squareFeet": "806","price": "10200.0"}}