Ajout de la fonctionnalité d'import/export de grille #2
@ -1,6 +1,17 @@
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import java.io.*;
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/**
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* Class to manage file import/export
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* @version 1.0
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* @author Amir Daouadi
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* @author Lyanis Souidi
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*/
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public class FileManager {
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/**
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* Import a grid from a file
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* @param file The file to import
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* @return The imported grid
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* @throws Exception If an error occurs during the import
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*/
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public static Grid importGrid(File file) throws Exception {
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Grid grid;
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try {
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@ -24,9 +35,7 @@ public class FileManager {
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}
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}
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ds.close();
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} catch (ArrayIndexOutOfBoundsException e) {
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throw new Exception("Le fichier est corrompu.");
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} catch (IOException e) {
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} catch (Exception e) {
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throw new Exception("Une erreur est survenue lors de la lecture du fichier.");
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}
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return grid;
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@ -35,68 +44,62 @@ public class FileManager {
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}
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}
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/**
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* Export a grid to a file
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* @param grid The grid to export
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* @param file The file to export to
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* @throws Exception If an error occurs during the export
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*/
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public static void exportGrid(Grid grid, File file) throws Exception {
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try (FileOutputStream fs = new FileOutputStream(file);
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DataOutputStream ds = new DataOutputStream(fs)) {
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try {
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FileOutputStream fs = new FileOutputStream(file);
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DataOutputStream ds = new DataOutputStream(fs);
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try {
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// Écriture de la taille de la grille
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ds.writeByte(grid.getSize());
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// Écriture de la taille de la grille
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ds.writeByte(grid.getSize());
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// Écriture de la position de Thésée
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Square theseeSquare = grid.getThesee().getSquare();
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ds.writeByte(theseeSquare.getRow());
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ds.writeByte(theseeSquare.getColumn());
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// Écriture de la position de Thésée
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Square theseeSquare = grid.getThesee().getSquare();
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ds.writeByte(theseeSquare.getRow());
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ds.writeByte(theseeSquare.getColumn());
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// Écriture de la position de la sortie
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for (int i = 0; i < grid.getSize(); i++) {
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for (int j = 0; j < grid.getSize(); j++) {
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Square square = grid.getSquare(i,j);
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if (square.isExit()) {
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ds.writeByte(square.getRow());
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ds.writeByte(square.getColumn());
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break;
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// Écriture de la position de la sortie
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for (int i = 0; i < grid.getSize(); i++) {
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for (int j = 0; j < grid.getSize(); j++) {
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Square square = grid.getSquare(i, j);
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if (square.isExit()) {
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ds.writeByte(square.getRow());
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ds.writeByte(square.getColumn());
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break;
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}
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}
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}
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}
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// Écriture des murs
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int bit = 0;
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byte value = 0;
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for (int i = 0; i < grid.getSize(); i++) {
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for (int j = 0; j < grid.getSize(); j++) {
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Square square = grid.getSquare(i, j);
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if (square.isWall()) {
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value |= 1 << (7 - bit);
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}
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bit++;
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if (bit == 8) {
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ds.writeByte(value);
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value = 0;
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bit = 0;
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// Écriture des murs
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int bit = 0;
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byte value = 0;
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for (int i = 0; i < grid.getSize(); i++) {
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for (int j = 0; j < grid.getSize(); j++) {
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Square square = grid.getSquare(i, j);
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if (square.isWall()) {
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value |= 1 << (7 - bit);
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}
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bit++;
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if (bit == 8) {
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ds.writeByte(value);
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value = 0;
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bit = 0;
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}
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}
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}
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if (bit != 0) {
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ds.writeByte(value);
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}
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} catch (Exception e) {
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throw new Exception("Une erreur est survenue lors de l'écriture du fichier.");
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}
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if (bit != 0) {
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ds.writeByte(value);
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}
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} catch (IOException e) {
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throw new Exception("Une erreur est survenue lors de l'écriture du fichier.");
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} catch (FileNotFoundException e){
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throw new Exception("Fichier non trouvé.");
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}
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}
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// Test (à retirer)
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public static void main(String[] args) throws Exception {
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Grid grid = importGrid(new File("./src/petit.lab"));
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System.out.println("Grille " + grid.getSize() + "x" + grid.getSize() + " :");
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for (int i = 0; i < grid.getSize(); i++) {
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for (int j = 0; j < grid.getSize(); j++) {
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Square square = grid.getSquare(i, j);
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System.out.println("\tCase " + i + "x" + j + " : isEmpty:" + square.isEmpty() + ", isWall:" + square.isWall() + ", isExit:" + square.isExit() + ", isThesee:" + square.isThesee());
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}
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}
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exportGrid(grid, new File("./src/petit2.lab"));
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}
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}
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