store/retrieve different types

README.md

@@ -4,6 +4,7 @@
 | software | version | 
 | -------- | ------- | 
 | Java     | 21      | 
+| json lib | gson-2.13.1 |
 | VSCode   | 1.103   | 
 
 ###

src/java/lodge/TestReservations.java

@@ -3,8 +3,10 @@ package lodge;
 import lodge.reservationsystem.AccomodationManager;
 import lodge.reservationsystem.Account;
 import lodge.reservationsystem.Address;
-import lodge.reservationsystem.CabinReservation;
 import lodge.reservationsystem.EmailAddress;
+import lodge.reservationsystem.CabinReservation;
+import lodge.reservationsystem.HouseReservation;
+import lodge.reservationsystem.HotelReservation;
 import lodge.reservationsystem.Reservation;
 
 public final class TestReservations {
@@ -38,7 +40,7 @@ public final class TestReservations {
                 // 5. Add draft lodging reservation to an account (if reservation object already
                 // exists with the same reservation number, it is considered an error)
 
-                CabinReservation cabin = new CabinReservation();
+                HotelReservation cabin = new HotelReservation();
                 cabin.setPhysical_address(new Address("30 cabin ave", "Carnelian", "CA", "96140"));
                 cabin.setMailing_address(new Address("40 cabin ave", "Carnelian Bay", "CA", "96140"));
                 cabin.setNumberOfBeds(4);
@@ -47,9 +49,11 @@ public final class TestReservations {
                 cabin.setSquareFeet(806);
                 mgr.addReservation( mgr.retrieveAccount(acct.account_number()), cabin);
                 Reservation rsrv = cabin;
-                String reservationId = rsrv.reservation_number(); 
+                String reservationId = rsrv.getReservation_number(); 
+                
+                mgr.UpdateAccount(mgr.retrieveAccount(acct.account_number())); 
+
                 // 6. Complete reservation that is associated with an account
-                rsrv = null;
                 rsrv = mgr.retreiveReservation(reservationId);
                 rsrv.Complete();
 

src/java/lodge/reservationsystem/AccomodationManager.java

@@ -6,6 +6,8 @@ import java.nio.charset.StandardCharsets;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
 import com.google.gson.stream.JsonReader;
 
 public final class AccomodationManager {
@@ -27,20 +29,87 @@ public final class AccomodationManager {
     void load(Path file) throws Exception {
         /** @TODO finish loading Account */
         try (BufferedReader in = new BufferedReader(new FileReader(file.toFile(), StandardCharsets.UTF_8))) {
+            final Gson gson = new GsonBuilder()
+                    .create();
+
             JsonReader jsonReader = new JsonReader(in);
             jsonReader.beginObject();
+            Account ac = null;
+            Address ad = null;
             while (jsonReader.hasNext()) {
                 String name = jsonReader.nextName();
+                System.out.println(String.format("Load Account %s", name));
                 switch (name) {
                     case "Account":
-                        System.out.println("Load Account");
-                        jsonReader.skipValue();
+                        jsonReader.beginObject();
+                        ac = new Account();
+                        break;
+                    case "account_number":
+                        ac.setAccount_number(jsonReader.nextString());
+                        break;
+                    case "phone_number":
+                        ac.setPhone_number(jsonReader.nextString());
+                        break;
+                    case "mailing_address":
+                        jsonReader.beginObject();
+                        break;
+                    case "Address":
+                        jsonReader.beginObject();
+                        System.out.println(jsonReader.nextName());
+                        ad = new Address();
+                        ad.setStreet(jsonReader.nextString());
+                        System.out.println(jsonReader.nextName());
+                        ad.setCity(jsonReader.nextString());
+                        System.out.println(jsonReader.nextName());
+                        ad.setState(jsonReader.nextString());
+                        System.out.println(jsonReader.nextName());
+                        ad.setZip(jsonReader.nextString());
                         jsonReader.endObject();
+                        jsonReader.endObject();
+                        ac.setMailing_address(ad);
+                        break;
+                    case "email_address":
+                        jsonReader.beginObject();
+                        break;
+                    case "EmailAddress":
+                        jsonReader.beginObject();
+                        break;
+                    case "email":
+                        ac.setEmail_address(new EmailAddress(jsonReader.nextString()));
+                        jsonReader.endObject();
+                        jsonReader.endObject();
+                        break;
+                    case "reservation_list":
+                        jsonReader.beginArray();
+                        jsonReader.beginObject();
+                        break;
+                    case "CabinReservation":
+                        jsonReader.beginObject();
+                        name = jsonReader.nextName();
+                        CabinReservation cabin = new CabinReservation();
+                        cabin.setMailing_address(ad);
+                        cabin.setPhysical_address(ad);
+                        cabin.reservation_number = jsonReader.nextString();
+                        break;
+                    case "HouseReservation":
+                        jsonReader.beginObject();
+                        name = jsonReader.nextName();
+                        HouseReservation house = new HouseReservation();
+                        house.setMailing_address(ad);
+                        house.setPhysical_address(ad);
+                        house.reservation_number = jsonReader.nextString();
+
+                        break;
+                    case "HotelReservation":
+                        jsonReader.beginObject();
+                        name = jsonReader.nextName();
+                        HotelReservation hotel = new HotelReservation();
+                        hotel.setMailing_address(ad);
+                        hotel.setPhysical_address(ad);
+                        hotel.reservation_number = jsonReader.nextString();
                         break;
                     default:
                         System.out.println(name);
-                        return;
-
                 }
             }
             jsonReader.close();
@@ -77,13 +146,13 @@ public final class AccomodationManager {
     }
 
     public boolean addReservation(final Account account, final Reservation reservation) {
-        return account.reservation_list.add(reservation);
+        return account.add(reservation);
     }
 
     public Reservation retreiveReservation(String reservation_number) {
         for (Account acct : account_list) {
             for (Reservation rsv : acct.reservation_list) {
-                if (rsv.reservation_number == reservation_number) {
+                if (rsv.getReservation_number() == reservation_number) {
                     return rsv;
                 }
             }

src/java/lodge/reservationsystem/Account.java

@@ -13,7 +13,7 @@ public class Account {
         Address mailing_address;
         EmailAddress email_address;
 
-        AccountReservationList reservation_list=new AccountReservationList();
+        AccountReservationList reservation_list = new AccountReservationList();;
 
         public Account(
                         String account_number,
@@ -26,6 +26,10 @@ public class Account {
                 this.email_address = email_address;
         }
 
+        public Account(){
+                
+        }
+
         @Override
         public String toString() {
 
@@ -40,6 +44,10 @@ public class Account {
                 return sb.toString();
         }
 
+        public boolean add(Reservation rsrv){
+                return reservation_list.add(rsrv);
+        }
+
         // @TODO Write Account out in JSON
         public static void Write(Account acct) throws IOException {
                 String dataRoot = DataRepository.getPath();

src/java/lodge/reservationsystem/AccountList.java

@@ -1,5 +1,6 @@
 package lodge.reservationsystem;
 
+import java.io.IOException;
 import java.util.ArrayList;
 
 public class AccountList extends ArrayList<Account> {
@@ -17,7 +18,7 @@ public class AccountList extends ArrayList<Account> {
         return A;
     }
         // ** Add account throw error if account number is pre-existing. */
-    public static Account addAccount(AccountList account_list, Account account) throws NullPointerException, AccountException {
+    public static Account addAccount(final AccountList account_list, final Account account) throws NullPointerException, AccountException {
         String acctNumber = "";
         for(Account acct: account_list){
             if( acct.account_number() == account.account_number() ){
@@ -34,19 +35,19 @@ public class AccountList extends ArrayList<Account> {
     }
 
     // save account in edit status
-    public void save(Account acct) {
-
+    public static void save(final Account acct) throws IOException {
+        Account.Write(acct);
     }
 
     // save accounts in edit status
-    public static void save(AccountList account_list, Account acct) throws Exception {
+    public static void save(final AccountList account_list, final Account acct) throws Exception {
         for (Account account : account_list) {
-            Account.Write(account);
+            AccountList.save(account);
         }
     }
 
     // ** Find account return null not-existing. */
-    public static Account retrieveAccount(AccountList account_list, String account_number) {
+    public static Account retrieveAccount(final AccountList account_list, String account_number) {
         for(Account acct: account_list){
             if( acct.account_number() == account_number ){
                 return acct;

src/java/lodge/reservationsystem/AccountReservationList.java

@@ -16,13 +16,15 @@ public class AccountReservationList extends ArrayList<Reservation> {
     @Override
     public String toString() {
         StringBuilder sb = new StringBuilder();
-        sb.append("\"AccountReservationList\":[");
+        sb.append("\"reservation_list\":[");
 
         for(int ix=0; ix < this.size() ; ix++){
+             String name = this.get(ix).ReservationType() + "";
+    
             if( ( this.size() - 1 ) == ix  ){
-                sb.append(String.format("{ \"%d\":\"%s\"}", ix,  this.get(ix).reservation_number));
+                sb.append(String.format("{\"%s\":{\"reservation_number\":\"%s\"}}", name, this.get(ix).getReservation_number()));
             }else{
-                sb.append(String.format("{ \"%d\":\"%s\"},", ix,  this.get(ix).reservation_number));
+                sb.append(String.format("{\"%s\":{\"reservation_number\":\"%s\"}},", name, this.get(ix).getReservation_number()));
             }
         }
         sb.append("]");

src/java/lodge/reservationsystem/Address.java

@@ -14,6 +14,9 @@ public final class Address {
         this.zip = zip;
     }
 
+    protected Address() {
+    }
+    
     public String getStreet() {
         return street;
     }

src/java/lodge/reservationsystem/CabinReservation.java

@@ -1,10 +1,14 @@
 package lodge.reservationsystem;
 
-public final class CabinReservation extends Reservation {
+import java.lang.reflect.Type;
 
-  final char type = 'C';
-  public final char ReservationType() {
-    return type;
+import com.google.gson.InstanceCreator;
+
+public final class CabinReservation extends Reservation  implements InstanceCreator<Reservation>{
+
+  public final String ReservationType() {
+    type='C';
+    return "CabinReservation";
   }
   //calculate and return the reservation's price
   // Cabin price plus additional fee of $20 for full kitchen and $5 for each additional bathroom
@@ -13,4 +17,9 @@ public final class CabinReservation extends Reservation {
     return price;
   }
 
+  @Override
+  public Reservation createInstance(Type type) {
+    System.out.println( String.format( "%s.", this.type));
+    return new CabinReservation();
+  }
 }

src/java/lodge/reservationsystem/EmailAddress.java

@@ -43,7 +43,7 @@ public class EmailAddress{
     @Override
     public String toString() {
                 StringBuilder sb = new StringBuilder();
-        sb.append("{ \"EmailAdress\":{");
+        sb.append("{ \"EmailAddress\":{");
         sb.append("\"email\": \"" + email_address + "\"");
         sb.append("}}");
         return sb.toString();

src/java/lodge/reservationsystem/HotelReservation.java

@@ -1,15 +1,26 @@
 package lodge.reservationsystem;
 
-public final class HotelReservation extends Reservation {
+import java.lang.reflect.Type;
 
-  final char type = 'H';
-  public final char ReservationType() {
-    return type;
+import com.google.gson.InstanceCreator;
+
+public final class HotelReservation extends Reservation implements InstanceCreator<Reservation>{
+
+  public final String ReservationType() {
+    type = 'H';
+    return "HotelReservation";
   }
+  
    //calculate and return the reservation's price
    // Hotel price plus additional flat fee of $50 plus $10 for kitchenette
   public float calculatePrice() {
     // flat fee
 	  return 0.0f;
   }
+
+    @Override
+  public Reservation createInstance(Type type) {
+    System.out.println( String.format( "%s.", this.type));
+    return (Reservation) new HotelReservation();
+  }
 }

src/java/lodge/reservationsystem/HouseReservation.java

@@ -1,10 +1,14 @@
 package lodge.reservationsystem;
 
-public final class HouseReservation extends Reservation {
+import java.lang.reflect.Type;
 
-  final char type = 'Z';
-  public final char ReservationType() {
-    return type;
+import com.google.gson.InstanceCreator;
+
+public final class HouseReservation extends Reservation implements InstanceCreator<Reservation>{
+
+  public final String ReservationType() {
+    type = 'Z';
+    return "HouseReservation";
   }
 
   // calculate and return the reservation's price
@@ -12,4 +16,9 @@ public final class HouseReservation extends Reservation {
     return 0.0f;
   }
 
+  @Override
+  public Reservation createInstance(Type type) {
+    System.out.println( String.format( "%s.", this.type));
+    return new HouseReservation();
+  }
 }

src/java/lodge/reservationsystem/Reservation.java

@@ -1,15 +1,23 @@
 package lodge.reservationsystem;
 
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
 import java.io.IOException;
-import java.time.ZonedDateTime;
+import java.lang.reflect.Type;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.sql.Timestamp;
 
 public abstract class Reservation{
+    char type;
     String reservation_number;
     Address physical_address;
     Address mailing_address;
 
-    ZonedDateTime reservation_start_date;
-    ZonedDateTime reservation_end_date;
+    Timestamp reservation_start_date;
+    Timestamp reservation_end_date;
     ReservationStatus reservation_status;
 
     Boolean hasKitchenette;
@@ -21,7 +29,7 @@ public abstract class Reservation {
 
     Float price;
 
-    public String reservation_number() {
+    public String getReservation_number() {
         return reservation_number;
     }
 
@@ -45,19 +53,19 @@ public abstract class Reservation {
         this.mailing_address = mailing_address;
     }
 
-    public ZonedDateTime reservation_start_date() {
+    public Timestamp reservation_start_date() {
         return reservation_start_date;
     }
 
-    public void setReservation_start_date(ZonedDateTime reservation_start_date) {
+    public void setReservation_start_date(Timestamp reservation_start_date) {
         this.reservation_start_date = reservation_start_date;
     }
 
-    public ZonedDateTime reservation_end_date() {
+    public Timestamp reservation_end_date() {
         return reservation_end_date;
     }
 
-    public void setReservation_end_date(ZonedDateTime reservation_end_date) {
+    public void setReservation_end_date(Timestamp reservation_end_date) {
         this.reservation_end_date = reservation_end_date;
     }
 
@@ -186,15 +194,36 @@ public abstract class Reservation {
     }
 
     // @TODO write reservation out in json
-    public static void Write(Reservation reservation) throws IOException {
+    public void Write(Reservation reservation) throws IOException {
+        String dataRoot = DataRepository.getPath();
+        dataRoot = dataRoot + "/rsv-" + reservation.reservation_number + ".json";
+        Path path = Paths.get(dataRoot);
 
+        try (BufferedWriter writer = Files.newBufferedWriter(path, StandardCharsets.UTF_8)) {
+            writer.write(super.toString());
+            writer.flush();
+        }
+    }
+
+    // @TODO read reservation out in json
+    public void Read(Reservation reservation) throws IOException {
+        String dataRoot = DataRepository.getPath();
+        dataRoot = dataRoot + "/rsv-" + reservation.reservation_number + ".json";
+        Path path = Paths.get(dataRoot);
+
+        try (BufferedReader reader = Files.newBufferedReader(path, StandardCharsets.UTF_8)) {
+            reader.lines();
+        }   
     }
 
     public float calculatePricePerNight() {
         return 0.0f;
     }
 
-    public abstract char ReservationType();
+    public abstract String ReservationType();
+
     public abstract float calculatePrice();
 
+    public abstract Reservation createInstance(Type type);   
 }
+

src/resources/acc-A1858063803.json

@@ -1 +1 @@
-{ "Account":{"account_number": "A1858063803","phone_number": "767-456-7890","mailing_address": { "Address":{"street": "10 wilco ave","city": "wilco","state": "WY","zip": "82801"}},"email_address": { "EmailAdress":{"email": "wilco@wyommin.net"}},"AccountReservationList":[{ "0":"R0000000062"}]}}
+{ "Account":{"account_number": "A1858063803","phone_number": "767-456-7890","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":"R0000000062"}}]}}

src/resources/rsv-R000000062.json

@@ -1 +1,5 @@
-{"CabinReservation": ""}
+{"CabinReservation": {
+
+    "reservation_number":"R000000062"
+
+    }}