feat : logger

app/src/main/java/sudoku/solver/Solver.java

@@ -1,13 +1,18 @@
 package sudoku.solver;
 
+import sudoku.io.SudokuPrinter;
 import sudoku.structure.MultiDoku;
 import sudoku.structure.Cell;
+import sudoku.structure.Sudoku;
 
 import java.util.List;
 import java.util.Random;
 import java.util.concurrent.CancellationException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class Solver {
+    private static final Logger logger = Logger.getLogger("SolverLogger");
 
     /**
      * Résout le multidoku passé en paramètre si c'est possible.
@@ -21,6 +26,9 @@ public class Solver {
         if (Thread.interrupted())
 			throw new CancellationException("User wants to stop the solver");
 
+        Sudoku sudoku = doku.getSubGrid(0);
+        logger.log(Level.INFO, '\n'+SudokuPrinter.toStringRectangleSudoku(sudoku, sudoku.getSize(), sudoku.getSize()));
+
         if (doku.isValid()) {
             return true;
         }
@@ -32,7 +40,7 @@ public class Solver {
 
         List<Integer> possibleSymbols = doku.getPossibleSymbolsOfCell(cellToFill);
 
-        while (!possibleSymbols.isEmpty()){
+        while (!possibleSymbols.isEmpty()) {
             int nextPossibleSymbolIndex = rand.nextInt(possibleSymbols.size());
             int nextSymbol = possibleSymbols.get(nextPossibleSymbolIndex);