Server java files

Author: hitime1234

src/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Main-Class: com.company.Main
+

src/com/company/CSVHandling.java

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+package com.company;
+
+
+import java.io.*;
+import java.util.*;
+
+
+public class CSVHandling {
+    private final String filename;
+    private String User;
+    private String pass;
+    private int Score = 0;
+    private int Time = 0;
+    private int numberWins =0;
+    private int rank = 0;
+    public int id  =0;
+    public ArrayList<String[]> array;
+
+    public void ObtainRanking(){
+        for (int i=0;i<array.size();i++){
+            String[] Temp = array.get(i);
+            Temp[5] = String.valueOf(i);
+        }
+    }
+
+    public void SortArray(){
+        boolean swap = true;
+        while (swap)
+            swap = false;
+            for (int j=0;j<array.size();j++){
+                try {
+                    if (Integer.parseInt(array.get(j)[2]) < Integer.parseInt(array.get(j+1)[2])) {
+                        String[] Temp = array.get(j);
+                        array.set(j, array.get(j + 1));
+                        array.set(j + 1, Temp);
+                        swap = true;
+                    }
+                } catch (Exception e){
+                    System.out.println("hello");
+                }
+            }
+        ObtainRanking();
+
+    }
+
+    private void write() {
+        try(FileWriter fw = new FileWriter(filename, false);
+            BufferedWriter bw = new BufferedWriter(fw);
+            PrintWriter out = new PrintWriter(bw))
+        {
+            out.println(User + "," + pass + "," + Score + "," + Time + "," + numberWins + "," + rank +",");
+            //more code
+        } catch (IOException e) {
+
+        }
+    }
+
+    public boolean append(){
+        try(FileWriter fw = new FileWriter(filename, true);
+            BufferedWriter bw = new BufferedWriter(fw);
+            PrintWriter out = new PrintWriter(bw))
+        {
+            out.println(User + "," + pass + "," + Score + "," + Time + "," + numberWins + "," + rank +",");
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+
+    public boolean update(){
+
+        String[] temp = new String[6];
+        temp[0] = User;
+        temp[1] = pass;
+        temp[2] = String.valueOf(Score);
+        temp[3] = String.valueOf(Time);
+        temp[4] = String.valueOf(numberWins);
+        temp[5] = String.valueOf(rank);
+        array.set(id,temp);
+        SortArray();
+        try(FileWriter fw = new FileWriter(filename, false);
+            BufferedWriter bw = new BufferedWriter(fw);
+            PrintWriter out = new PrintWriter(bw))
+        {
+            for (int i=0;i<array.size();i++) {
+                out.println(array.get(i)[0] + "," + array.get(i)[1] + "," + array.get(i)[2] + "," + array.get(i)[3] + "," + array.get(i)[4] + "," + array.get(i)[5] + ",");
+            }
+            out.close();
+            bw.close();
+            fw.close();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+    public void setUser(String user) {
+        User = user;
+    }
+
+    public void setPass(String pass) {
+        this.pass = pass;
+    }
+
+    public void setScore(int score) {
+        Score = score;
+    }
+
+    public void setTime(int time) {
+        Time = time;
+    }
+
+    public void setNumberWins(int numberWins) {
+        this.numberWins = numberWins;
+    }
+
+    public void setRank(int rank) {
+        this.rank = rank;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getUser() {
+        return User;
+    }
+
+
+
+    public int getScore() {
+        return Score;
+    }
+
+    public int getTime() {
+        return Time;
+    }
+
+    public int getNumberWins() {
+        return numberWins;
+    }
+
+    public void read(){
+        array = new ArrayList();
+        try {
+            File myObj = new File(filename);
+            Scanner myReader = new Scanner(myObj);
+            while (myReader.hasNextLine()) {
+                String[] data = myReader.nextLine().split(",");
+                if (data.length > 1) {
+                    array.add(data);
+                    System.out.println(Arrays.toString(data));
+                }
+            }
+            myReader.close();
+        } catch (FileNotFoundException e) {
+            System.out.println("An error occurred.");
+            e.printStackTrace();
+        }
+    }
+
+
+    //CSV constructor
+    public CSVHandling(String filename, int type, String user, String pass){
+        this.filename = filename;
+        this.User = user;
+        this.pass = pass;
+        switch (type){
+            case 1:
+                read();
+                break;
+            default:
+                write();
+        }
+    }
+    public boolean ExistingAC(String username,String password){
+        boolean auth = false;
+        for (int i=0;i<array.size();i++){
+            if (array.get(i)[0].equals(username)){
+                auth = true;
+            }
+        }
+        return auth;
+    }
+
+    public boolean CheckAuth(String username,String password){
+        boolean auth = false;
+        for (int i=0;i<array.size();i++){
+            if (array.get(i)[0].equals(username) && array.get(i)[1].equals(password)){
+                auth = true;
+                String[] data = array.get(i);
+                User = data[0];
+                pass = data[1];
+                Score = Integer.parseInt(data[2]);
+                Time = Integer.parseInt(data[3]);
+                numberWins = Integer.parseInt(data[4]);
+                rank = Integer.parseInt(data[5]);
+                id = i;
+                i=array.size()+2;
+            }
+        }
+        return auth;
+
+    }
+
+
+}
+

src/com/company/GetRecv.java

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+package com.company;
+
+import java.io.BufferedReader;
+import java.io.PrintWriter;
+
+public class GetRecv implements Runnable {
+    private final BufferedReader out;
+    private final PrintWriter in;
+    public String result = "";
+
+    public static String Recv(BufferedReader in){
+        String userOut =null;
+        try {
+            while ((userOut = in.readLine()) != null)       //Waits for response
+            {
+                //System.out.println("Server says: " + userOut);  //Prints response
+                break;
+            }
+        } catch (Exception e){
+            System.out.println(e);
+        }
+
+
+        return userOut.replace(";::;","\n");
+    }
+
+
+    public  GetRecv(PrintWriter in, BufferedReader out){
+        this.in = in;
+        this.out = out;
+    }
+
+    @Override
+    public void run() {
+        while (true){
+            try {
+                String hold = Recv(out);
+                if (!hold.isEmpty()) {
+                    result = hold;
+                }
+            }
+            catch (Exception e){
+                result = "end";
+                break;
+            }
+        }
+    }
+}