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main.java
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297 lines (217 loc) · 6.66 KB
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package dbNew;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;
public class main {
private static Connection connect = null;
private static Statement statement = null;
private static Scanner scan = new Scanner(System.in);
final private static String host = "jdbc:postgresql://10.98.98.61:5432/group52";
final private static String user = "group52";
final private static String password = "cW$L67Ez2U?9@Uq4";
private static void maestro(String command) {
switch (command) {
case "1":
createProduct();
break;
case "2":
createCampaign();
break;
case "3":
createEmployee();
break;
case "4":
deleteProduct();
break;
case "5":
updateProduct();
break;
case "6":
listProducts();
break;
case "7":
listCampaign();
break;
case "8":
listEmployee();
break;
case "9":
}
}
private static void createProduct() {
String typeId = "1";
String brandId = "1";
String productName = "";
String amount = "";
String expirationDate = "";
System.out.println("Please type Product Name");
productName = scan.nextLine();
System.out.println("Please type Amount");
amount = scan.nextLine();
System.out.println("Please type Expiration Date");
expirationDate = scan.next();
try {
statement.executeUpdate("INSERT INTO PRODUCTS (AMOUNT,NAME,BRANDID,TYPEID,EXPIRATIONDATE) VALUES ('"
+ amount + "','" + productName + "','" + brandId + "','" + typeId + "','" + expirationDate + "')");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static void createCampaign() {
String productID = "1";
String campaignName;
String rate;
String duration;
System.out.println("Please type Campaign Name");
campaignName = scan.nextLine();
System.out.println("Please type Rate");
rate = scan.nextLine();
System.out.println("Please type Duration");
duration = scan.next();
try {
statement.executeUpdate("INSERT INTO CAMPAIGN (PRODUCTID,RATE,NAME,DURATION) VALUES ('"
+ productID + "','" + rate + "','" + campaignName + "','" + duration+"')");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static void createEmployee() {
String personID = "1";
String title = "";
System.out.println("Please type Title");
title = scan.nextLine();
try {
statement.executeUpdate("INSERT INTO EMPLOYEE (PERSONID,TITLE) VALUES ('"
+ personID + "','" + title + "')");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static void listProducts() {
try {
ResultSet rs = statement.executeQuery("select * from products");
while (rs.next()) {
System.out.print(rs.getString(1));
System.out.print(" ");
System.out.print(rs.getString(2));
System.out.print(" ");
System.out.print(rs.getString(3));
System.out.print(" ");
System.out.print(rs.getString(4));
System.out.print(" ");
System.out.print(rs.getString(5));
System.out.print(" ");
System.out.println(rs.getString(6));
System.out.println(" ");
System.out.println(" ");
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static void listCampaign() {
try {
ResultSet rs = statement.executeQuery("select * from campaign");
while (rs.next()) {
System.out.print(rs.getString(1));
System.out.print(" ");
System.out.print(rs.getString(2));
System.out.print(" ");
System.out.print(rs.getString(3));
System.out.print(" ");
System.out.print(rs.getString(4));
System.out.print(" ");
System.out.print(rs.getString(5));
System.out.println(" ");
System.out.println(" ");
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static void listEmployee() {
try {
ResultSet rs = statement.executeQuery("select * from employee");
while (rs.next()) {
System.out.print(rs.getString(1));
System.out.print(" ");
System.out.print(rs.getString(2));
System.out.print(" ");
System.out.print(rs.getString(3));
System.out.println(" ");
System.out.println(" ");
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static void deleteProduct() {
listProducts();
System.out.println("Please type productID you want to delete");
String productID = scan.nextLine();
try {
statement.executeUpdate("DELETE FROM PRODUCTS WHERE ID =" + productID);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static void updateProduct() {
String productName = "";
String amount = "";
String expirationDate = "";
listProducts();
System.out.println("Please type productID you want to update");
String productID = scan.nextLine();
System.out.println("Please type Product Name");
productName = scan.nextLine();
System.out.println("Please type Amount");
amount = scan.nextLine();
System.out.println("Please type Expiration Date");
expirationDate = scan.next();
try {
statement.executeUpdate("UPDATE PRODUCTS SET NAME ='" + productName + "', AMOUNT = '" + amount
+ "', expirationDate='" + expirationDate + "' WHERE ID = " + productID);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void main(String[] args) {
String command = "0";
try {
connect = DriverManager.getConnection(host, user, password);
System.out.println("Connection successful");
statement = connect.createStatement();
while (!command.equals("9")) {
System.out.println("Please select a suitable comment");
System.out.println("1: Create Product");
System.out.println("2: Create Campaign");
System.out.println("3: Create Employee");
System.out.println("4: Delete Product");
System.out.println("5: Update Product");
System.out.println("6: List Products");
System.out.println("7: List Campaigns");
System.out.println("8: List Employee");
System.out.println("9: Exit");
System.out.println(" ");
command = scan.nextLine();
maestro(command);
}
} catch (SQLException e) {
System.out.println("Failure");
e.printStackTrace();
}
finally {
}
}
}