emps.v3_funkcyjnie - zaczynamy

.gitignore

@@ -8,3 +8,4 @@ liczby?.txt
 wynik?.txt
 /pan_tadeusz_num.txt
 /pan_tadeusz_sort.txt
+/zmieniony.csv

src/emps/v3_funkcyjnie/Employee.java

+package emps.v3_funkcyjnie;
+
+import java.time.LocalDate;
+import java.util.Objects;
+
+public class Employee {
+	private int employeeId;
+	private String firstName;
+	private String lastName;
+	private String jobTitle;
+	private int salary;
+	private LocalDate hireDate;
+	private String departmentName;
+	private String address;
+	private String postalCode;
+	private String city;
+	private String country;
+
+	public Employee(int employeeId, String firstName, String lastName, String jobTitle, int salary, LocalDate hireDate,
+			String departmentName, String address, String postalCode, String city, String country) {
+		this.employeeId = employeeId;
+		this.firstName = firstName;
+		this.lastName = lastName;
+		this.jobTitle = jobTitle;
+		this.salary = salary;
+		this.hireDate = hireDate;
+		this.departmentName = departmentName;
+		this.address = address;
+		this.postalCode = postalCode;
+		this.city = city;
+		this.country = country;
+	}
+
+	public int getEmployeeId() {
+		return employeeId;
+	}
+
+	public void setEmployeeId(int employeeId) {
+		this.employeeId = employeeId;
+	}
+
+	public String getFirstName() {
+		return firstName;
+	}
+
+	public void setFirstName(String firstName) {
+		this.firstName = firstName;
+	}
+
+	public String getLastName() {
+		return lastName;
+	}
+
+	public void setLastName(String lastName) {
+		this.lastName = lastName;
+	}
+
+	public String getJobTitle() {
+		return jobTitle;
+	}
+
+	public void setJobTitle(String jobTitle) {
+		this.jobTitle = jobTitle;
+	}
+
+	public int getSalary() {
+		return salary;
+	}
+
+	public void setSalary(int salary) {
+		this.salary = salary;
+	}
+
+	public LocalDate getHireDate() {
+		return hireDate;
+	}
+
+	public void setHireDate(LocalDate hireDate) {
+		this.hireDate = hireDate;
+	}
+
+	public String getDepartmentName() {
+		return departmentName;
+	}
+
+	public void setDepartmentName(String departmentName) {
+		this.departmentName = departmentName;
+	}
+
+	public String getAddress() {
+		return address;
+	}
+
+	public void setAddress(String address) {
+		this.address = address;
+	}
+
+	public String getPostalCode() {
+		return postalCode;
+	}
+
+	public void setPostalCode(String postalCode) {
+		this.postalCode = postalCode;
+	}
+
+	public String getCity() {
+		return city;
+	}
+
+	public void setCity(String city) {
+		this.city = city;
+	}
+
+	public String getCountry() {
+		return country;
+	}
+
+	public void setCountry(String country) {
+		this.country = country;
+	}
+
+	@Override
+	public String toString() {
+		return "Employee [employeeId=" + employeeId + ", firstName=" + firstName + ", lastName=" + lastName
+				+ ", jobTitle=" + jobTitle + ", salary=" + salary + ", hireDate=" + hireDate + ", departmentName="
+				+ departmentName + ", address=" + address + ", postalCode=" + postalCode + ", city=" + city
+				+ ", country=" + country + "]";
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(address, city, country, departmentName, employeeId, firstName, hireDate, jobTitle, lastName,
+				postalCode, salary);
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		Employee other = (Employee) obj;
+		return Objects.equals(address, other.address) && Objects.equals(city, other.city)
+				&& Objects.equals(country, other.country) && Objects.equals(departmentName, other.departmentName)
+				&& employeeId == other.employeeId && Objects.equals(firstName, other.firstName)
+				&& Objects.equals(hireDate, other.hireDate) && Objects.equals(jobTitle, other.jobTitle)
+				&& Objects.equals(lastName, other.lastName) && Objects.equals(postalCode, other.postalCode)
+				&& salary == other.salary;
+	}
+
+}

src/emps/v3_funkcyjnie/ObslugaCSV.java

+package emps.v3_funkcyjnie;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.PrintWriter;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+public class ObslugaCSV {
+	public static List<Employee> wczytaj() {
+		// używa domyślnego pliku
+		return wczytaj("emps.csv");
+	}
+	
+	public static List<Employee> wczytaj(String sciezka) {
+		return wczytaj(new File(sciezka));
+	}
+	
+	public static List<Employee> wczytaj(File plik) {
+		List<Employee> emps = new ArrayList<>();
+		try(Scanner scanner = new Scanner(plik)) {
+			scanner.nextLine(); // pomijamy pierwszą linię
+			while(scanner.hasNextLine()) {
+				String linia = scanner.nextLine();
+				String[] t = linia.split(";", -1);
+				Employee emp = new Employee(Integer.parseInt(t[0]), t[1], t[2], t[3],
+						Integer.parseInt(t[4]), LocalDate.parse(t[5]),
+						t[6], t[7], t[8], t[9], t[10]);
+				emps.add(emp);
+			}
+		} catch (FileNotFoundException e) {
+			e.printStackTrace();
+			// w razie błędu (brak pliku) wypiszemy czerwone teksty na ekran, ale nie przerwiemy programu, tylko zwrócimy pustą listę
+		}
+		return emps;
+	}
+
+	public static void zapisz(List<Employee> lista, File plik) {
+		try(PrintWriter out = new PrintWriter(plik)) {
+			out.println(
+					"employee_id;first_name;last_name;job_title;salary;hire_date;department_name;address;postal_code;city;country");
+			for (Employee emp : lista) {
+				out.printf("%d;%s;%s;%s;%d;%s;%s;%s;%s;%s;%s\n", emp.getEmployeeId(), emp.getFirstName(),
+						emp.getLastName(), emp.getJobTitle(), emp.getSalary(), emp.getHireDate(),
+						emp.getDepartmentName(), emp.getAddress(), emp.getPostalCode(), emp.getCity(),
+						emp.getCountry());
+			}
+		} catch (FileNotFoundException e) {
+			e.printStackTrace();
+		}
+	}
+
+	public static void zapisz(List<Employee> lista, String sciezka) {
+		zapisz(lista, new File(sciezka));
+	}
+
+	public static void zapisz(List<Employee> lista) {
+		zapisz(lista, "emps.csv");
+	}
+
+}