setState

gistfile1.java

public void setState(String state) {
        int counter = 0;
        int size = BOARD_WIDTH * BOARD_HEIGHT;
        this.board = new Player[BOARD_HEIGHT][BOARD_WIDTH];
        for (int i = 0; i < size; i++) {
            String sq = String.valueOf(state.charAt(i));
            if (x.getName().equals(sq)) {
                counter++;
                this.board[i / BOARD_WIDTH][i % BOARD_WIDTH] = x;
            }
            else if (o.getName().equals(sq)) {
                counter--;
                this.board[i / BOARD_WIDTH][i % BOARD_WIDTH] = o;
            }
        }
        if (counter == 0){
            this.toMove = x;
        }
        else if (counter == 1){
            this.toMove = o;
        }
        else {
            throw new IllegalArgumentException();
        }
    }