assignment-01

assigntment-01/H071191029/DataSource.java

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+import java.util.HashMap;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.io.*;
+
+class DataSource {
+    static DataSource instance = null;
+    private HashMap<String, User> userMap = new HashMap<>();
+    private HashMap<Integer, UserDetail> userDetailMap = new HashMap<>();
+
+    private DataSource() {
+        putUserDetail();
+        putUser();
+    }
+
+    static public DataSource getInstance() {
+        if (instance == null)
+            instance = new DataSource();
+        return instance;
+    }
+
+    private void putUserDetail() {
+        BufferedReader reader = null;
+        try {
+            reader = new BufferedReader(new FileReader("src/userdetail.txt"));
+            String s;
+            while ((s = reader.readLine()) != null) {
+                ArrayList<String> sList = new ArrayList<String>(Arrays.asList(s.split(";")));
+                UserDetail userDetail = new UserDetail(Integer.valueOf(sList.get(0)), sList.get(1), sList.get(2),
+                        sList.get(3));
+                userDetailMap.put(Integer.valueOf(sList.get(0)), userDetail);
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        } finally {
+            try {
+                if (reader != null) {
+                    reader.close();
+                }
+            } catch (IOException e) {
+                System.out.println(e);
+            }
+        }
+    }
+
+    private void putUser() {
+        BufferedReader reader = null;
+        try {
+            reader = new BufferedReader(new FileReader("src/user.txt"));
+            String s;
+            while ((s = reader.readLine()) != null) {
+                ArrayList<String> sList = new ArrayList<String>(Arrays.asList(s.split(";")));
+                User user = new User(Integer.valueOf(sList.get(0)), sList.get(1), sList.get(2),
+                        userDetailMap.get(Integer.valueOf(sList.get(0))));
+                userMap.put(sList.get(1), user);
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        } finally {
+            try {
+                if (reader != null) {
+                    reader.close();
+                }
+            } catch (IOException e) {
+                System.out.println(e);
+            }
+        }
+    }
+
+    public User getUser(String key) {
+        return userMap.get(key);
+    }
+
+    public UserDetail getUserDetail(Integer key) {
+        return userDetailMap.get(key);
+    }
+}

assigntment-01/H071191029/Login.java

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+import java.util.NoSuchElementException;
+
+class Login {
+    static Login instance = null;
+    private User user;
+    private UserDetail userDetail;
+    private DataSource dataSource;
+
+    private Login() {
+
+    }
+
+    static public Login getInstance() {
+        if (instance == null)
+            instance = new Login();
+        return instance;
+    }
+
+    public void auth(String name, String pass) throws NoSuchElementException {
+        dataSource = DataSource.getInstance();
+        try {
+            user = dataSource.getUser(name);
+            if (user.getPassword().equals(pass)) {
+                userDetail = user.getUserDeteail();
+            } else {
+                System.out.println("wrong password");
+            }
+        } catch (Exception e) {
+            throw new NoSuchElementException("user not found: " + name);
+        }
+    }
+
+    public void status() {
+        if (userDetail != null) {
+            System.out.println(userDetail.getName());
+            System.out.println(userDetail.getEmail());
+            System.out.println(userDetail.getDateOfBirth());
+        }
+    }
+}

assigntment-01/H071191029/Main.java

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+public class Main {
+    public static void main(String[] args) {
+        Login login = Login.getInstance();
+        login.auth("naim", "Naim");
+        login.status();
+    }
+}

assigntment-01/H071191029/User.java

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+class User {
+    private Integer id;
+    private String username;
+    private String password;
+    private UserDetail userDetail;
+
+    User(Integer id, String userName, String password, UserDetail userDetail) {
+        this.id = id;
+        this.username = userName;
+        this.password = password;
+        this.userDetail = userDetail;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public UserDetail getUserDeteail() {
+        return userDetail;
+    }
+}

assigntment-01/H071191029/UserDetail.java

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+public class UserDetail {
+    private Integer id;
+    private String name;
+    private String dateOfBirth;
+    private String email;
+
+    UserDetail(Integer id, String name, String dateOfBirth, String email) {
+        this.id = id;
+        this.name = name;
+        this.dateOfBirth = dateOfBirth;
+        this.email = email;
+    }
+
+    public Integer getId() {
+        return this.id;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public String getDateOfBirth() {
+        return this.dateOfBirth;
+    }
+
+    public String getEmail() {
+        return this.email;
+    }
+}

assigntment-01/H071191029/mainTugasPBO.java

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+import java.util.HashMap;
+import java.util.Map;
+
+public class mainTugasPBO {
+
+  public static void main(String[] args) {
+    Map<String, String> facultyMap = new HashMap<>();
+    Map<String, String> majorMap = new HashMap<>();
+    facultyMap.put("Ekonomi dan Bisnis", "A");
+    facultyMap.put("Hukum", "B");
+    facultyMap.put("Kedokteran", "C");
+    facultyMap.put("Teknik", "D");
+    facultyMap.put("Ilmu Sosial dan Ilmu Politik", "E");
+    facultyMap.put("Ilmu Budaya", "F");
+    facultyMap.put("Pertanian", "G");
+    facultyMap.put("MIPA", "H");
+    majorMap.put("Matematika", "01");
+    majorMap.put("Statistika", "02");
+    majorMap.put("Kimia", "03");
+    majorMap.put("Fisika", "04");
+    majorMap.put("Biologi", "05");
+    majorMap.put("Geofisika", "06");
+    majorMap.put("Ilmu Komputer", "07");
+
+    // Student student1 = new Student();
+    // Student student2 = new Student();
+    // Student student3 = new Student();
+
+    studentPBO student1 = new studentPBO();
+    studentPBO student2 = new studentPBO();
+    studentPBO student3 = new studentPBO();
+
+    student1.setFirstName("Annisa");
+    student1.setLastName("Putri Aulia");
+    student1.setRegisterYear(2019);
+    student1.setFaculty("MIPA");
+    student1.setDepartment("Matematika");
+    student1.setMajor("Ilmu Komputer");
+    student1.setId(facultyMap, majorMap);
+    student1.setEmail(facultyMap);
+
+    student2.setFirstName("Fitrah");
+    student2.setLastName("");
+    student2.setRegisterYear(2017);
+    student2.setFaculty("MIPA");
+    student2.setDepartment("Matematika");
+    student2.setMajor("Ilmu Komputer");
+    student2.setId(facultyMap, majorMap);
+    student2.setEmail(facultyMap);
+
+    student3.setFirstName("Kharitzmi");
+    student3.setLastName("");
+    student3.setRegisterYear(2017);
+    student3.setFaculty("MIPA");
+    student3.setDepartment("Matematika");
+    student3.setMajor("Ilmu Komputer");
+    student3.setId(facultyMap, majorMap);
+    student3.setEmail(facultyMap);
+
+    student1.description();
+    student2.description();
+    student3.description();
+
+  }
+}

assigntment-01/H071191029/studentPBO.java

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+import java.util.Random;
+import java.util.Map;
+
+public class studentPBO{
+    private String id;
+    private String firstName;
+    private String lastName;
+    private String email;
+    private int registerYear;
+    private String faculty;
+    private String department;
+    private String major;
+
+    //SET
+
+    public void setId (String id){
+        this.id = id;
+    }
+    public void setFirstName (String firstName){
+        this.firstName = firstName;
+    }
+    public void setLastName (String lastName){
+        this.lastName = lastName;
+    }
+    public void setEmail (String email){
+        this.email = email;
+    }
+    public void setRegisterYear (int registerYear){
+        this.registerYear = registerYear;
+    }
+    public void setFaculty (String faculty){
+        this.faculty = faculty;
+    }
+    public void setDepartment (String department){
+        this.department = department;
+    }
+    public void setMajor (String major){
+        this.major = major;
+    }
+
+    //GET
+
+    public String getId(){
+        return id;
+    }
+    public String getEmail(){
+        return email;
+    }
+    public String getFaculty (){
+        return faculty;
+    }
+    public String getDepartement(){
+        return department;
+    }
+    public String getMajor(){
+        return major;
+    }
+
+    //BEHAVIOUR
+
+    public void setId(Map <String,String> facultyMap,Map<String,String> majorMap){
+        String facultyCode = facultyMap.get(faculty);
+        String majorCode = majorMap.get(major);
+        int lastDigit = registerYear % 100;
+
+        Random rand = new Random();
+        int randDigit = rand.nextInt(60) + 1;
+        id = String.format("%s%s1%d1%03d", facultyCode,majorCode,lastDigit,randDigit);
+    }
+    public void setEmail(Map <String, String> facultyMap ){
+        String fullName = (firstName +" "+lastName).toLowerCase();
+        String [] splitName = fullName.split(" ");
+        email = splitName[splitName.length - 1];
+        for(int i = 0; i < splitName.length - 1; i++){
+            email += splitName[i].charAt(0);
+        }
+        email += (registerYear % 100) + facultyMap.get(faculty).toLowerCase()+"@student.unhas.ac.id";
+    }
+
+    public String getFullName(){
+        String fullName = (firstName + " " + lastName).toLowerCase();
+        String [] splitName = fullName.split(" ");
+        String finalName = "";
+        for (int i = 0; i < splitName.length; i++) {
+            finalName += splitName[i].substring(0, 1).toUpperCase() + splitName[i].substring(1, splitName[i].length()) + " ";
+        }
+        return finalName;
+    }
+
+    public void description(){
+        System.out.println("Nama            : " + getFullName());
+        System.out.println("NIM             : " + getId());
+        System.out.println("Email Mahasiswa : " + getEmail());
+        System.out.println("Fakultas        : " + getFaculty());
+        System.out.println("Department      : " + getDepartement());
+        System.out.println("Program Studi   : " + getMajor());
+        System.out.println();
+    }
+}