Robust/src/Tests/mlp/stephen/Parser.java

   1
   2 public class Parser
   3 {
   4         private File file;
   5         private int[][] preBoard;
   6
   7         public Parser(String filename)
   8         {
   9                 file = new File(filename);
  10                 preBoard = new int[9][9];
  11         }
  12
  13         public int[][] go()
  14         {
  15                 FileInputStream in = new FileInputStream(file.getPath());
  16
  17
  18                 for(int row = 0; row < 9; row++)
  19                 {
  20                         //grabs the row we're on
  21                         String temp = in.readLine();
  22                         if(temp == null)
  23                         {
  24                                 System.out.println("Malformed file (not enough lines)");
  25                                 return null;
  26                         }
  27
  28                         //builds new scanner for the line
  29                         StringTokenizer scan = new StringTokenizer(temp);
  30                         if(scan.countTokens() < 8)
  31                         {
  32                                 System.out.println("Malformed file (not enough columns");
  33                                 return null;
  34                         }
  35
  36                         for(int column = 0; column < 9; column++)
  37                         {
  38                                 int num = Integer.parseInt(scan.nextToken());
  39
  40
  41                                 //we may remove this later so that we can have everything instead of just this....
  42                                 if(num > 9 || num < 0)
  43                                 {
  44                                         System.out.println("File is malformed");
  45                                         return null;
  46 //                                                      throw new FatalError("File is malformed");
  47                                 }
  48                                 else
  49                                 {
  50                                         preBoard[row][column] = num;
  51                                 }
  52
  53                         }
  54                 }
  55
  56                 System.out.println("Parsing complete.");
  57                 return preBoard;
  58         }
  59 }