still working

pom.xml

@@ -7,12 +7,35 @@
     <groupId>com.zipcoder.lab</groupId>
     <artifactId>jdbcdao</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>8</source>
+                    <target>8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+    <dependency>
+        <groupId>mysql</groupId>
+        <artifactId>mysql-connector-java</artifactId>
+        <version>8.0.26</version>
+    </dependency>
 
-<dependencies>
     <dependency>
         <groupId>junit</groupId>
         <artifactId>junit</artifactId>
         <version>4.10</version>
     </dependency>
-</dependencies>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>2.13.0-rc1</version>
+        </dependency>
+    </dependencies>
 </project>

src/main/java/MainApplication.java

@@ -0,0 +1,115 @@
+
+import com.mysql.cj.jdbc.Driver;
+import daos.CarRepository;
+import models.Car;
+
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.StringJoiner;
+
+public class MainApplication {
+
+    public static void main(String[] args) {
+        registerJDBCDriver();
+        Connection mysqlDbConnection = getConnection("mysql");
+        CarRepository carRepository = new CarRepository(mysqlDbConnection);
+        executeStatement(mysqlDbConnection, "DROP DATABASE IF EXISTS carDatabase;");
+        executeStatement(mysqlDbConnection, "CREATE DATABASE IF NOT EXISTS carDatabase;");
+        executeStatement(mysqlDbConnection, "USE carDatabase;");
+        executeStatement(mysqlDbConnection, new StringBuilder()
+                .append("CREATE TABLE IF NOT EXISTS carDatabase.carTable(")
+                .append("id int auto_increment primary key,")
+                .append("make text not null,")
+                .append("model text not null,")
+                .append("year int,")
+                .append("color text,")
+                .append("vin int);")
+                .toString());
+
+        carRepository.create(new Car(1L,"honda", "accord", 1995, "black", 100L));
+//        carRepository.create(new Car());
+        System.out.println(carRepository.readAll());
+
+    }
+
+    static ResultSet executeQuery(Connection connection, String sqlQuery) {
+        try {
+            Statement statement = getScrollableStatement(connection);
+            return statement.executeQuery(sqlQuery);
+        } catch (SQLException e) {
+            throw new Error(e);
+        }
+    }
+
+    static void printResults(ResultSet resultSet) {
+        try {
+            for (int rowNumber = 0; resultSet.next(); rowNumber++) {
+                String firstColumnData = resultSet.getString(1);
+                String secondColumnData = resultSet.getString(2);
+                String thirdColumnData = resultSet.getString(3);
+                String fourthColumnData = resultSet.getString(4);
+                String fifthColumnData = resultSet.getString(5);
+                String sixthColumnData = resultSet.getString(6);
+                System.out.println(new StringJoiner("\n")
+                        .add("Row number = " + rowNumber)
+                        .add("First Column = " + firstColumnData)
+                        .add("Second Column = " + secondColumnData)
+                        .add("Third column = " + thirdColumnData)
+                        .add("Fourth Column = " + fourthColumnData)
+                        .add("Fifth Column = " + fifthColumnData)
+                        .add("Sixth Column = " + sixthColumnData));
+            }
+        } catch (SQLException e) {
+            throw new Error(e);
+        }
+    }
+
+    static void executeStatement(Connection connection, String sqlStatement) {
+        try {
+            Statement statement = getScrollableStatement(connection);
+            statement.execute(sqlStatement);
+        } catch (SQLException e) {
+            throw new Error(e);
+        }
+    }
+
+    static Statement getScrollableStatement(Connection connection) {
+        int resultSetType = ResultSet.TYPE_SCROLL_INSENSITIVE;
+        int resultSetConcurrency = ResultSet.CONCUR_READ_ONLY;
+        try { // scrollable statements can be iterated more than once without closing
+            return connection.createStatement(resultSetType, resultSetConcurrency);
+        } catch (SQLException e) {
+            throw new Error(e);
+        }
+    }
+
+    static Connection getConnection(String dbVendor) {
+        String username = "root";
+        String password = "password";
+        String url = new StringBuilder()
+                .append("jdbc:")
+                .append(dbVendor)
+                .append("://127.0.0.1/")
+                .append("?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC")
+                .toString();
+        try {
+            return DriverManager.getConnection(url, username, password);
+        } catch (SQLException e) {
+            throw new Error(e);
+        }
+    }
+
+    static void registerJDBCDriver() {
+        // Attempt to register JDBC Driver
+        try {
+            DriverManager.registerDriver(Driver.class.newInstance());
+        } catch (InstantiationException | IllegalAccessException | SQLException e1) {
+            throw new RuntimeException(e1);
+        }
+    }
+
+}

src/main/java/daos/CarRepository.java

@@ -0,0 +1,103 @@
+package daos;
+
+import com.sun.deploy.net.MessageHeader;
+import models.Car;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+
+
+public class CarRepository implements Repo {
+    private Connection connection;
+
+    public CarRepository(Connection connection) {
+        this.connection = connection;
+    }
+
+    @Override
+    public Connection getConnection() {
+        return connection;
+    }
+
+    public void create(Car car) {
+        executeStatement(String.format(new StringBuilder()
+                        .append("INSERT INTO carDatabase.carTable(")
+                        .append("id, make, model, year, color, vin) ")
+                        .append("VALUES (%s, '%s', '%s', %s, '%s', %s);")
+                        .toString(),
+                car.getId(),
+                car.getMake(),
+                car.getModel(),
+                car.getYear(),
+                car.getColor(),
+                car.getVin()));
+
+    }
+
+    public List<Car> readAll() {
+        ResultSet resultSet = executeQuery("SELECT * FROM carDatabase.carTable;");
+        List<Car> list = new ArrayList<>();
+        try {
+            while (resultSet.next()) {
+                String id = resultSet.getString(1);
+                String make = resultSet.getString(2);
+                String model = resultSet.getString(3);
+                String year = resultSet.getString(4);
+                String color = resultSet.getString(5);
+                String vin = resultSet.getString(6);
+                list.add(new Car(
+                        Long.parseLong(id),
+                        make,
+                        model,
+                        Integer.parseInt(year),
+                        color,
+                        Long.parseLong(vin)));
+            }
+        } catch (SQLException throwables) {
+            throw new RuntimeException(throwables);
+        }
+        return list;
+    }
+
+    public Car read(Long Carid) {
+        return readAll()
+                .stream()
+                .filter(car -> car.getId().equals(Carid))
+                .findAny()
+                .get();
+    }
+
+    public void update(Long id, Car newPokemonData) {
+        executeStatement(String.format(new StringBuilder()
+             .append("UPDATE carTable,")
+                .append("SET make '%s',")
+                .append("model '%s',")
+                .append("year %s,")
+                .append("color '%s',")
+                .append("vin %s,")
+                .append("WHERE id = %s;")
+                .toString(),
+                newPokemonData.getMake(),
+                newPokemonData.getModel(),
+                newPokemonData.getYear(),
+                newPokemonData.getColor(),
+                newPokemonData.getVin(),
+                id));
+
+    }
+
+    public void delete(Long id) {
+        executeStatement(String.format(new StringBuilder()
+                .append("DELETE FROM carTable WHERE id = %s")
+                .toString(),
+                id));
+    }
+
+    public void delete(Car car) {
+        delete(car.getId());
+    }
+
+}

src/main/java/daos/Repo.java

@@ -0,0 +1,39 @@
+package daos;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+
+public interface Repo {
+    default void executeStatement(String sqlStatement) {
+        try {
+            Statement statement = getScrollableStatement();
+            statement.execute(sqlStatement);
+        } catch (SQLException e) {
+            throw new Error(e);
+        }
+    }
+
+    default Statement getScrollableStatement() {
+        int resultSetType = ResultSet.TYPE_SCROLL_INSENSITIVE;
+        int resultSetConcurrency = ResultSet.CONCUR_READ_ONLY;
+        try { // scrollable statements can be iterated more than once without closing
+            return getConnection().createStatement(resultSetType, resultSetConcurrency);
+        } catch (SQLException e) {
+            throw new Error(e);
+        }
+    }
+
+    default ResultSet executeQuery(String sqlQuery) {
+        try {
+            Statement statement = getScrollableStatement();
+            return statement.executeQuery(sqlQuery);
+        } catch (SQLException e) {
+            throw new Error(e);
+        }
+    }
+
+    Connection getConnection();
+}