Trabalho
This commit is contained in:
250421
13
pom.xml
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13
pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.mycompany</groupId>
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<artifactId>ProjectCarsCheckIn</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>jar</packaging>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.release>24</maven.compiler.release>
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<exec.mainClass>com.mycompany.projectcarscheckin.ProjectCarsCheckIn</exec.mainClass>
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</properties>
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</project>
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@@ -0,0 +1,391 @@
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/*
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* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
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*/
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package com.mycompany.projectcarscheckin;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.time.LocalDate;
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import java.time.format.DateTimeFormatter;
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import java.time.temporal.ChronoUnit;
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import java.util.Scanner;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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public class ProjectCarsCheckIn {
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public static void main(String[] args) {
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Scanner scanner = new Scanner(System.in);
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while (true) {
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System.out.println("\n========== APPAREL OF VEHICLES IN THE VEHICLE FLEET ==========");
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System.out.println("1 - Add a new car");
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System.out.println("2 - Show all cars");
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System.out.println("3 - Searching for a car's license plate");
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System.out.println("4 - Check the reminding about maintenance");
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System.out.println("5 - Remove vehicle");
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System.out.println("6 - Exit");
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System.out.print("Choose an option: ");
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int option = scanner.nextInt();
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scanner.nextLine();
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switch (option) {
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case 1 -> addNewVehicle();
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case 2 -> showAllVehicles();
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case 3 -> searchCarByLicensePlate();
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case 4 -> checkMaintenanceTO();
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case 5 -> removeVehicle();
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case 6 -> {
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System.out.println("Bye!");
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return;
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}
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default -> System.out.println("Option is invalid!");
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}
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}
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}
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// ==================== VEHICLE CLASS ====================
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private static class Vehicle {
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String brand;
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String model;
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String year;
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String licensePlate;
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String mileage;
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String lastMaintenanceDate;
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Vehicle(String brand, String model, String year, String licensePlate, String mileage, String lastMaintenanceDate) {
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this.brand = brand;
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this.model = model;
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this.year = year;
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this.licensePlate = licensePlate;
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this.mileage = mileage;
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this.lastMaintenanceDate = lastMaintenanceDate;
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}
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String toCSV() {
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return brand + "," + model + "," + year + "," + licensePlate + "," + mileage + "," + lastMaintenanceDate;
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}
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}
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// ==================== ADD NEW VEHICLE ====================
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private static void addNewVehicle() {
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Scanner scanner = new Scanner(System.in);
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System.out.println("\n========== ADD NEW VEHICLE ==========");
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System.out.print("Enter brand: ");
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String brand = scanner.nextLine();
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System.out.print("Enter model: ");
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String model = scanner.nextLine();
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System.out.print("Enter year: ");
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String year = scanner.nextLine();
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System.out.print("Enter license plate: ");
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String licensePlate = scanner.nextLine().toUpperCase();
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System.out.print("Enter mileage (km): ");
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String mileage = scanner.nextLine();
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System.out.print("Enter last maintenance date (DD.MM.YYYY): ");
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String lastMaintenanceDate = scanner.nextLine();
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Vehicle newVehicle = new Vehicle(brand, model, year, licensePlate, mileage, lastMaintenanceDate);
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addTextToFile(newVehicle.toCSV() + "\n", "vehicles.txt");
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System.out.println("\n Vehicle successfully added!");
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}
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// ==================== SHOW ALL VEHICLES ====================
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private static void showAllVehicles() {
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String fileName = "vehicles.txt";
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int numLines = getNumberOfLinesInFile(fileName);
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if (numLines == 0) {
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System.out.println("The fleet is empty!");
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return;
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}
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String[] brand = new String[numLines];
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String[] model = new String[numLines];
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String[] year = new String[numLines];
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String[] licensePlate = new String[numLines];
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String[] mileage = new String[numLines];
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String[] lastMaintenanceDate = new String[numLines];
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readAllVehicles(fileName, brand, model, year, licensePlate, mileage, lastMaintenanceDate);
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System.out.println("\n================== ALL VEHICLES IN THE FLEET ==================");
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for (int i = 0; i < brand.length; i++) {
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System.out.println("Vehicle #" + (i + 1));
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System.out.println(" Brand: " + brand[i]);
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System.out.println(" Model: " + model[i]);
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System.out.println(" Year: " + year[i]);
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System.out.println(" License plate: " + licensePlate[i]);
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System.out.println(" Mileage: " + mileage[i] + " km");
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System.out.println(" Last maintenance date: " + lastMaintenanceDate[i]);
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System.out.println("------------------------------------------------");
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}
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}
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// ==================== SEARCH BY LICENSE PLATE ====================
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private static void searchCarByLicensePlate() {
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Scanner scanner = new Scanner(System.in);
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System.out.print("Enter license plate to search: ");
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String searchPlate = scanner.nextLine().toUpperCase();
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String fileName = "vehicles.txt";
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int numLines = getNumberOfLinesInFile(fileName);
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if (numLines == 0) {
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System.out.println("The fleet is empty!");
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return;
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}
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String[] brand = new String[numLines];
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String[] model = new String[numLines];
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String[] year = new String[numLines];
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String[] licensePlate = new String[numLines];
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String[] mileage = new String[numLines];
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String[] lastMaintenanceDate = new String[numLines];
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readAllVehicles(fileName, brand, model, year, licensePlate, mileage, lastMaintenanceDate);
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boolean found = false;
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for (int i = 0; i < licensePlate.length; i++) {
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if (licensePlate[i].equalsIgnoreCase(searchPlate)) {
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System.out.println("\n========== VEHICLE FOUND ==========");
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System.out.println(" Brand: " + brand[i]);
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System.out.println(" Model: " + model[i]);
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System.out.println(" Year: " + year[i]);
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System.out.println(" License plate: " + licensePlate[i]);
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System.out.println(" Mileage: " + mileage[i] + " km");
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System.out.println(" Last maintenance date: " + lastMaintenanceDate[i]);
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System.out.println("=====================================");
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found = true;
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break;
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}
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}
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if (!found) {
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System.out.println("Vehicle with license plate " + searchPlate + " not found!");
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}
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}
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// ==================== MAINTENANCE REMINDER ====================
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private static void checkMaintenanceTO() {
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String fileName = "vehicles.txt";
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int numLines = getNumberOfLinesInFile(fileName);
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if (numLines == 0) {
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System.out.println("The fleet is empty!");
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return;
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}
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String[] brand = new String[numLines];
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String[] model = new String[numLines];
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String[] year = new String[numLines];
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String[] licensePlate = new String[numLines];
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String[] mileage = new String[numLines];
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String[] lastMaintenanceDate = new String[numLines];
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readAllVehicles(fileName, brand, model, year, licensePlate, mileage, lastMaintenanceDate);
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DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd.MM.yyyy");
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LocalDate today = LocalDate.now();
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System.out.println("\n========== MAINTENANCE REMINDER ==========");
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boolean hasAlert = false;
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for (int i = 0; i < brand.length; i++) {
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boolean needsMaintenance = false;
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String reason = "";
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try {
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LocalDate lastMaintenance = LocalDate.parse(lastMaintenanceDate[i], formatter);
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long monthsSinceMaintenance = ChronoUnit.MONTHS.between(lastMaintenance, today);
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if (monthsSinceMaintenance >= 6) {
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needsMaintenance = true;
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reason = monthsSinceMaintenance + " months passed (need every 6 months)";
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}
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} catch (Exception e) {
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// Skip date errors
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}
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long currentMileage = Long.parseLong(mileage[i]);
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if (currentMileage > 15000) {
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needsMaintenance = true;
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reason += (reason.isEmpty() ? "" : " and ") + "mileage " + currentMileage + " km (recommended every 15000 km)";
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}
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if (needsMaintenance) {
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System.out.println("⚠️ Vehicle: " + brand[i] + " " + model[i]);
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System.out.println(" License plate: " + licensePlate[i]);
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System.out.println(" Mileage: " + mileage[i] + " km");
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System.out.println(" Last maintenance date: " + lastMaintenanceDate[i]);
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System.out.println(" Reason: " + reason);
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System.out.println(" ➤ Maintenance recommended!");
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System.out.println("-----------------------------------");
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hasAlert = true;
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}
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}
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if (!hasAlert) {
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System.out.println("All vehicles are in good condition, no maintenance needed!");
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}
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}
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// ==================== REMOVE VEHICLE ====================
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private static void removeVehicle() {
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Scanner scanner = new Scanner(System.in);
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System.out.print("Enter license plate of vehicle to remove: ");
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String plateToRemove = scanner.nextLine().toUpperCase();
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String fileName = "vehicles.txt";
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int numLines = getNumberOfLinesInFile(fileName);
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if (numLines == 0) {
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System.out.println("The fleet is empty!");
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return;
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}
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String[] brand = new String[numLines];
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String[] model = new String[numLines];
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String[] year = new String[numLines];
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String[] licensePlate = new String[numLines];
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String[] mileage = new String[numLines];
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String[] lastMaintenanceDate = new String[numLines];
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readAllVehicles(fileName, brand, model, year, licensePlate, mileage, lastMaintenanceDate);
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StringBuilder newContent = new StringBuilder();
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boolean removed = false;
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for (int i = 0; i < licensePlate.length; i++) {
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if (licensePlate[i].equalsIgnoreCase(plateToRemove)) {
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removed = true;
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System.out.println("Removed: " + brand[i] + " " + model[i] + " (" + licensePlate[i] + ")");
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} else {
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newContent.append(brand[i]).append(",")
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.append(model[i]).append(",")
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.append(year[i]).append(",")
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.append(licensePlate[i]).append(",")
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.append(mileage[i]).append(",")
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.append(lastMaintenanceDate[i]).append("\n");
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}
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}
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if (removed) {
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writeToFile(newContent.toString(), fileName);
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System.out.println(" Vehicle removed successfully!");
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} else {
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System.out.println("Vehicle with license plate " + plateToRemove + " not found!");
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}
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}
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// ==================== FILE OPERATION METHODS ====================
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private static void writeToFile(String text, String fileName) {
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try (FileWriter fileWriter = new FileWriter(new File(fileName))) {
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BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
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bufferedWriter.write(text);
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bufferedWriter.close();
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} catch (IOException ex) {
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Logger.getLogger(ProjectCarsCheckIn.class.getName()).log(Level.SEVERE, null, ex);
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}
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}
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private static String readFile(String fileName) {
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StringBuilder textRead = new StringBuilder();
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try (FileReader fileReader = new FileReader(new File(fileName));
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BufferedReader bufferedReader = new BufferedReader(fileReader)) {
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String line;
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while ((line = bufferedReader.readLine()) != null) {
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textRead.append(line).append("\n");
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}
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} catch (FileNotFoundException ex) {
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writeToFile("", fileName);
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} catch (IOException ex) {
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Logger.getLogger(ProjectCarsCheckIn.class.getName()).log(Level.SEVERE, null, ex);
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}
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return textRead.toString();
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}
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private static void addTextToFile(String text, String fileName) {
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String oldText = readFile(fileName);
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String newText = oldText + text;
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writeToFile(newText, fileName);
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}
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private static int getNumberOfLinesInFile(String fileName) {
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int numberOfLines = 0;
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try (FileReader fileReader = new FileReader(new File(fileName));
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BufferedReader bufferedReader = new BufferedReader(fileReader)) {
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while (bufferedReader.readLine() != null) {
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numberOfLines++;
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}
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} catch (FileNotFoundException ex) {
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writeToFile("", fileName);
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} catch (IOException ex) {
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Logger.getLogger(ProjectCarsCheckIn.class.getName()).log(Level.SEVERE, null, ex);
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}
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return numberOfLines;
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}
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private static void readAllVehicles(String fileName, String[] brand, String[] model,
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String[] year, String[] licensePlate,
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String[] mileage, String[] lastMaintenanceDate) {
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try (FileReader fileReader = new FileReader(new File(fileName));
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BufferedReader bufferedReader = new BufferedReader(fileReader)) {
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String line;
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int i = 0;
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while ((line = bufferedReader.readLine()) != null && i < brand.length) {
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extractDataFromCSV(brand, model, year, licensePlate, mileage, lastMaintenanceDate, i, line);
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i++;
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}
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} catch (FileNotFoundException ex) {
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writeToFile("", fileName);
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} catch (IOException ex) {
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Logger.getLogger(ProjectCarsCheckIn.class.getName()).log(Level.SEVERE, null, ex);
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}
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}
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private static void extractDataFromCSV(String[] brand, String[] model, String[] year,
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String[] licensePlate, String[] mileage,
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String[] lastMaintenanceDate,
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int lineIndex, String line) {
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int lastCommaPosition = -1;
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int fieldCount = 0;
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for (int i = 0; i < line.length(); i++) {
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if (line.charAt(i) == ',') {
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String field = line.substring(lastCommaPosition + 1, i);
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switch (fieldCount) {
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case 0 -> brand[lineIndex] = field;
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case 1 -> model[lineIndex] = field;
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case 2 -> year[lineIndex] = field;
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case 3 -> licensePlate[lineIndex] = field;
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case 4 -> mileage[lineIndex] = field;
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}
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lastCommaPosition = i;
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fieldCount++;
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}
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}
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lastMaintenanceDate[lineIndex] = line.substring(lastCommaPosition + 1);
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}
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}
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1
vehicles.txt
Normal file
1
vehicles.txt
Normal file
@@ -0,0 +1 @@
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Toyota,M3,2013,12345,23400,14.05.2016
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Reference in New Issue
Block a user