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Ajout de la fonctionnalité d'import/export de grille #2

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Lyanis SOUIDI merged 6 commits from feature_filemanager into master 2023-04-28 03:23:44 +02:00
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1 changed files with 60 additions and 57 deletions
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src/FileManager.java
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@ -1,6 +1,17 @@
import java.io.*; import java.io.*;
/**
* Class to manage file import/export
* @version 1.0
* @author Amir Daouadi
* @author Lyanis Souidi
*/
public class FileManager { public class FileManager {
/**
* Import a grid from a file
* @param file The file to import
* @return The imported grid
* @throws Exception If an error occurs during the import
*/
public static Grid importGrid(File file) throws Exception { public static Grid importGrid(File file) throws Exception {
Grid grid; Grid grid;
try { try {
@ -24,9 +35,7 @@ public class FileManager {
} }
} }
ds.close(); ds.close();
} catch (ArrayIndexOutOfBoundsException e) { } catch (Exception e) {
throw new Exception("Le fichier est corrompu.");
} catch (IOException e) {
throw new Exception("Une erreur est survenue lors de la lecture du fichier."); throw new Exception("Une erreur est survenue lors de la lecture du fichier.");
} }
return grid; return grid;
@ -35,68 +44,62 @@ public class FileManager {
} }
} }
/**
* Export a grid to a file
* @param grid The grid to export
* @param file The file to export to
* @throws Exception If an error occurs during the export
*/
public static void exportGrid(Grid grid, File file) throws Exception { public static void exportGrid(Grid grid, File file) throws Exception {
try (FileOutputStream fs = new FileOutputStream(file); try {
DataOutputStream ds = new DataOutputStream(fs)) { FileOutputStream fs = new FileOutputStream(file);
DataOutputStream ds = new DataOutputStream(fs);
try {
// Écriture de la taille de la grille
ds.writeByte(grid.getSize());
// Écriture de la taille de la grille // Écriture de la position de Thésée
ds.writeByte(grid.getSize()); Square theseeSquare = grid.getThesee().getSquare();
ds.writeByte(theseeSquare.getRow());
ds.writeByte(theseeSquare.getColumn());
// Écriture de la position de Thésée // Écriture de la position de la sortie
Square theseeSquare = grid.getThesee().getSquare(); for (int i = 0; i < grid.getSize(); i++) {
ds.writeByte(theseeSquare.getRow()); for (int j = 0; j < grid.getSize(); j++) {
ds.writeByte(theseeSquare.getColumn()); Square square = grid.getSquare(i, j);
if (square.isExit()) {
// Écriture de la position de la sortie ds.writeByte(square.getRow());
for (int i = 0; i < grid.getSize(); i++) { ds.writeByte(square.getColumn());
for (int j = 0; j < grid.getSize(); j++) { break;
Square square = grid.getSquare(i,j); }
if (square.isExit()) {
ds.writeByte(square.getRow());
ds.writeByte(square.getColumn());
break;
} }
} }
}
// Écriture des murs
// Écriture des murs int bit = 0;
int bit = 0; byte value = 0;
byte value = 0; for (int i = 0; i < grid.getSize(); i++) {
for (int i = 0; i < grid.getSize(); i++) { for (int j = 0; j < grid.getSize(); j++) {
for (int j = 0; j < grid.getSize(); j++) { Square square = grid.getSquare(i, j);
Square square = grid.getSquare(i, j); if (square.isWall()) {
if (square.isWall()) { value |= 1 << (7 - bit);
value |= 1 << (7 - bit); }
} bit++;
bit++; if (bit == 8) {
if (bit == 8) { ds.writeByte(value);
ds.writeByte(value); value = 0;
value = 0; bit = 0;
bit = 0; }
} }
} }
if (bit != 0) {
ds.writeByte(value);
}
} catch (Exception e) {
throw new Exception("Une erreur est survenue lors de l'écriture du fichier.");
} }
if (bit != 0) { } catch (FileNotFoundException e){
ds.writeByte(value); throw new Exception("Fichier non trouvé.");
}
} catch (IOException e) {
throw new Exception("Une erreur est survenue lors de l'écriture du fichier.");
} }
} }
// Test (à retirer)
public static void main(String[] args) throws Exception {
Grid grid = importGrid(new File("./src/petit.lab"));
System.out.println("Grille " + grid.getSize() + "x" + grid.getSize() + " :");
for (int i = 0; i < grid.getSize(); i++) {
for (int j = 0; j < grid.getSize(); j++) {
Square square = grid.getSquare(i, j);
System.out.println("\tCase " + i + "x" + j + " : isEmpty:" + square.isEmpty() + ", isWall:" + square.isWall() + ", isExit:" + square.isExit() + ", isThesee:" + square.isThesee());
}
}
exportGrid(grid, new File("./src/petit2.lab"));
}
} }