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2 package src;
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3
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4 /**
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5 *
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6 * @author przem
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7 */
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8
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9 import java.io.FileWriter;
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10 import java.io.File;
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11 import java.io.IOException;
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12 import java.io.FileNotFoundException; // Import this class to handle errors
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13 import java.util.Scanner;
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14 import java.util.*;
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15
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16 public class ConfigFile {
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17 public String userDir="", userHome="", osName="", osVersion="", jvmVersion="";
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18 String name = "/kopieckreta.txt";
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19 public ConfigFile() throws IOException{
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20 for (Map.Entry<?,?> e : System.getProperties().entrySet()) {
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21 //System.out.println(String.format("%s = %s", e.getKey(), e.getValue()));
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22 if (e.getKey().equals("user.dir")) {
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23 userDir=String.format("%s", e.getValue());
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24 }
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25 if (e.getKey().equals("user.home")) {
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26 userHome=String.format("%s", e.getValue());
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27
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28 }
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29 if (e.getKey().equals("os.name")) {
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30 osName=String.format("%s", e.getValue());
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31
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32 }
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33 if (e.getKey().equals("os.version")) {
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34 osVersion=String.format("%s", e.getValue());
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35
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36 }
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37 if (e.getKey().equals("java.vm.version")) {
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38 jvmVersion=String.format("%s", e.getValue());
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39
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40 }
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41 }
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42
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43
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44 File file=new File (userHome+name);
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45 if (file.createNewFile()){
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46 System.out.println("Plik zostal utworzony");
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47 try {
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48 FileWriter myWriter = new FileWriter(userHome+name);
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49 myWriter.write("1");
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50 myWriter.close();
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51 System.out.println("Successfully wrote to the file.");
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52 } catch (IOException e) {
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53 System.out.println("An error occurred.");
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54 e.printStackTrace();
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55 }
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56 }
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57 else {
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58 System.out.println("Plik istnieje");
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59 }
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60 }
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61 public void save(boolean b){
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62 String s="";
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63 try {
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64 FileWriter myWriter = new FileWriter(userHome+name);
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65 if (b) s="1";
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66 else s="0";
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67 myWriter.write(s);
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68 myWriter.close();
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69 System.out.println("Successfully wrote to the file.");
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70 } catch (IOException e) {
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71 System.out.println("An error occurred.");
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72 e.printStackTrace();
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73 }
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74 }
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75 public boolean load() {
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76 String data = "";
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77 boolean r =false;
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78 try {
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79 File myObj = new File(userHome+name);
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80 Scanner myReader = new Scanner(myObj);
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81 while (myReader.hasNextLine()) {
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82 data = myReader.nextLine();
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83 System.out.println(data);
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84 }
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85 myReader.close();
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86 } catch (FileNotFoundException e) {
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87 System.out.println("An error occurred.");
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88 e.printStackTrace();
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89 }
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90
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91 if (data.equals("1")) r=true;
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92
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93 return r;
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94 }
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95
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96 }
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