Приложение Б. Исходный код программы работника
public class Main{
public static void main(String[] args) { Interface.show();
}
}
import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.scene.Group;
import javafx.scene.Scene; import javafx.scene.control.*; import javafx.scene.image.Image;
import javafx.scene.image.ImageView; import javafx.scene.paint.Color; import javafx.scene.text.Font; import javafx.stage.Stage;
public class Interface extends Application {
@Override
public void start(Stage stage){
Group mainGroup = new Group();
Group textFieldGroup = new Group();
Group buttonGroup = new Group();
TextField employeeNameTF = new TextField(); employeeNameTF.setLayoutX(10); employeeNameTF.setLayoutY(10+15); employeeNameTF.setPrefSize(120,20); employeeNameTF.setPromptText("Enter name here..."); employeeNameTF.setFocusTraversable(false); mainGroup.getChildren().add(employeeNameTF);
TextField filesTF = new TextField(); filesTF.setLayoutX(10+120+10); filesTF.setLayoutY(10+15); filesTF.setPrefSize(120,20); filesTF.setPromptText("Enter files here..."); filesTF.setFocusTraversable(false); mainGroup.getChildren().add(filesTF);
TextArea outputTextArea = new TextArea(); outputTextArea.setLayoutX(10); outputTextArea.setLayoutY(70); outputTextArea.setMinHeight(400); outputTextArea.setMaxHeight(400); outputTextArea.setMinWidth(765); outputTextArea.setMaxWidth(765); outputTextArea.setWrapText(true); outputTextArea.setEditable(false); outputTextArea.setFont(Font.font("Consolas", 28)); outputTextArea.end(); mainGroup.getChildren().add(outputTextArea);
try {
new Thread(new Runnable() { public void run() { while(true) {
try { Thread.sleep(500);
} catch (InterruptedException e) { System.out.println("Thread error "+e);
}
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Backend a = new Backend(); a.importMatrix("Matrix.txt");
outputTextArea.setText(a.getUserInfo(employeeNameTF.getText(), filesTF.getText()));
}
}
}).start();
} catch (Exception e) {
Alert alert = new Alert(Alert.AlertType.ERROR); alert.setTitle("Error"); alert.setHeaderText("Error"); alert.setContentText("Unknown error occurred."); alert.showAndWait().ifPresent(rs -> {
if (rs == ButtonType.OK) { System.out.println("Pressed OK.");
}
});
}
Image gifImage = new Image("file:user2.gif");//or file:doc2.gif ImageView imageView = new ImageView(gifImage); imageView.setLayoutX(375);
imageView.setLayoutY(5); mainGroup.getChildren().add(imageView);
mainGroup.getChildren().addAll(buttonGroup,textFieldGroup); Scene scene = new Scene(mainGroup, Color.rgb(245,245,245)); stage.setScene(scene);
stage.setTitle("Employee");
stage.setWidth(800);
stage.setHeight(600);
stage.setResizable(false);
stage.show();
}
public static void show(){ Application.launch();
}
}
import javafx.scene.control.*; import java.util.*;
public class Backend extends Interface {
private static final Matrix matrix = new Matrix();
private static final FileNames allFileNames = new FileNames(); public void importMatrix(String path){
Backend a = new Backend(); FileWorker fw = new FileWorker(); int result = fw.importMatrix(path);
try{
if(result==0) {
if(Objects.equals(fw.parseObjects(path),null) || Objects.equals(fw.parseSubjects(path),null)){ throw new Exception();
}
matrix.clearEmployees();
allFileNames.clearFileNames();
a.parseMatrix(path);
}else{
throw new Exception();
}
}catch(Exception e){
Alert alert = new Alert(Alert.AlertType.ERROR); alert.setTitle("Error"); alert.setHeaderText("Error");
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alert.setContentText("Cannot read file from given path."); alert.showAndWait().ifPresent(rs -> {
if (rs == ButtonType.OK) { System.out.println("Pressed OK.");
}
});
}
}
public String getUserInfo(String name, String files){ Backend a = new Backend();
String output=""; String employee="";
String accessibleFiles="";
String[] filesArray = a.removeDuplicates(files.split("(?!^)")); for(int i=0;i<matrix.matrixLength();i++){
if(Objects.equals(matrix.getEmployees().get(i).getName(),name)){ employee+=matrix.getEmployees().get(i).getName();
for(int n=0;n<matrix.getEmployees().get(i).getFileNames().size();n++){ for(int m=0;m<filesArray.length;m++){
if(Objects.equals(matrix.getEmployees().get(i).getFileNames().get(n),filesArray[m])){ accessibleFiles+=matrix.getEmployees().get(i).getFileNames().get(n)+" ";
}
}
}
}
}
if(Objects.equals(employee,"")){
output="User with name \""+name+"\" cannot be found."; }else{
if(Objects.equals(accessibleFiles,"")){
output="User \""+employee+"\" have no access to listed file(s)"; }else{
output="User \""+employee+"\" have access to file(s) \""+accessibleFiles+"\"";
}
}
return output;
}
public String[] removeDuplicates(String[] array){ Arrays.sort(array);
String current = array[0]; boolean found = false; String str="";
for(int i = 0; i < array.length; i++) {
if (Objects.equals(current, array[i]) && !found) { found = true;
} else if (!Objects.equals(current, array[i])) { str+=current+" ";
current = array[i]; found = false;
}
}
str+=current+" ";
return str.split(" ");
}
public static ArrayList removeArrayListDuplicates(ArrayList array){ Collections.sort(array);
String current = (String) array.get(0); boolean found = false;
String str="";
for(int i = 0; i < array.size(); i++) {
if (Objects.equals(current, array.get(i)) && !found) { found = true;
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} else if (!Objects.equals(current, array.get(i))) { str+=current+" ";
current = (String) array.get(i); found = false;
}
}
str+=current+" ";
ArrayList<String> result = new ArrayList<>(); Collections.addAll(result,str.split(" ")); return result;
}
public void parseMatrix(String path){
//парсить текстовый файл, заносить содержимое в объекты matrix и allFileNames FileWorker fw = new FileWorker();
ArrayList<String> subjects = fw.parseSubjects(path); ArrayList<String> objects = fw.parseObjects(path);
if(Objects.equals(subjects,null) || Objects.equals(objects,null)) return;
for(int i=0;i<subjects.size();i++){
matrix.addEmployee(new Employee(subjects.get(i),objects.get(i).split("(?!^)")));
}
String str = "";
for(int i=0; i<objects.size(); i++){ str+=objects.get(i);
}
allFileNames.addFiles(removeDuplicates(str.split("(?!^)")));
}
}
import java.io.*;
import java.util.ArrayList;
public class FileWorker {
public ArrayList<String> parseSubjects(String path){ ArrayList<String> result = new ArrayList<>();
try(BufferedReader br = new BufferedReader(new FileReader(path)))
{
String s; while((s=br.readLine())!=null){
result.add(s.split("-")[0]);
}
}
catch(IOException ex){ System.out.println(ex.getMessage()); return null;
}
return result;
}
public ArrayList<String> parseObjects(String path){
//must include ONLY english letters (no numbers and etc.) - done ArrayList<String> result = new ArrayList<>();
try(BufferedReader br = new BufferedReader(new FileReader(path)))
{
String s; while((s=br.readLine())!=null){
String temp=""; try {
temp = s.split("-")[1];
String[] splitted = temp.split("(?!^)"); ArrayList<String> tempEngOnly = new ArrayList<>(); for(int i=0;i<splitted.length;i++){
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if((splitted[i]+splitted[i]).matches("^[a-zA-Z][a-zA-Z\\s]+$")){ tempEngOnly.add(splitted[i]);
}
}
temp="";
for(int i=0; i<tempEngOnly.size();i++){ temp+=tempEngOnly.get(i);
}
result.add(temp);
}catch (ArrayIndexOutOfBoundsException e){ System.out.println(e+": this user have no file accesses."); result.add("");
}
}
}
catch(IOException ex){ System.out.println(ex.getMessage()); return null;
}
return result;
}
public int importMatrix(String path){
try(BufferedReader br = new BufferedReader(new FileReader(path)))
{
//чтение строки
String s; if((s=br.readLine())!=null){
;
}
}
catch(IOException ex){ System.out.println(ex.getMessage()); return 1;
}
return 0;
}
}
import java.util.ArrayList; import java.util.Collections; public class FileNames {
private ArrayList<String> fileNames = new ArrayList<>();
public void addFiles(String[] array){ if(array.length==0) return; Collections.addAll(this.fileNames, array);
this.fileNames=Backend.removeArrayListDuplicates(this.fileNames);
}
public int size(){
return this.fileNames.size();
}
public String get(int index){
return this.fileNames.get(index);
}
public void clearFileNames(){ this.fileNames=new ArrayList<>();
}
}
public class Employee { private String name;
private FileNames fileNames = new FileNames();
public Employee(String name, String[] files){ this.name=name;
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if(files!=null) { this.fileNames.addFiles(files);
}else{
this.fileNames.addFiles(new String[]{""});
}
}
public String getName(){ return this.name;
}
public FileNames getFileNames(){ return this.fileNames;
}
}
import java.util.ArrayList;
public class Matrix {
private ArrayList<Employee> employees = new ArrayList<>();
public ArrayList<Employee> getEmployees(){ return employees;
}
public void addEmployee(Employee employee){ this.employees.add(employee);
}
public int matrixLength(){ return employees.size();
}
public void clearEmployees(){ this.employees=new ArrayList<>();
}
}
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