Pawn.java#backup

/**
 * Write a description of class Pawn here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */

public class Pawn extends ChessPiece
{
    public Pawn(Player player) {
        super(player);
    }

    public String type() {
        return "Pawn";
    }

    public boolean isValidMove(Move move,IChessPiece[][] board) {
        if (!super.isValidMove(move,board))
            return false;
        boolean valid = false;
        if (board[move.fromRow][move.fromColumn].player() == Player.BLACK) {
            // checks to see if the piece is being moved diagonally down and over one space
            if (((move.toRow - 1 == move.fromRow) && (move.toColumn + 1 == move.fromColumn))
            || ((move.toRow - 1 == move.fromRow) && (move.toColumn - 1 == move.fromColumn)))
            // checks to see if this piece is taking another player's piece
                if (board[move.toRow][move.toColumn] != null)
                    valid = true;

            // checks to see if this piece is a black pawn in row 2
            if (move.fromRow == 1)
            // checks to see if this piece is being moved 2 spaces forward
                if ((move.toColumn == move.fromColumn) && (move.toRow == 3))
                // checks to see if this piece has a clear path
                    if ((board[2][move.fromColumn]) == null && (board[3][move.fromColumn]) == null)
                        valid = true;

            // checks to see if this piece is being moved down one row
            if ((move.toColumn == move.fromColumn) && (move.toRow - 1 == move.fromRow))
            // checks to see if this piece has a clear path
                if ((board[move.toRow][move.toColumn]) == null)
                    valid = true;
        }

        // checks to see if it is white's turn
        else if (board[move.fromRow][move.fromColumn].player() == Player.WHITE) {
            // checks to see if the piece is being moved diagonally up and over one space
            if (((move.toRow + 1 == move.fromRow) && (move.toColumn + 1 == move.fromColumn))
            || ((move.toRow + 1 == move.fromRow) && (move.toColumn - 1 == move.fromColumn)))
            // checks to see if this piece is taking another player's piece
                if (board[move.toRow][move.toColumn] != null)
                    valid = true;

            // checks to see if this piece is a white pawn in row 7
            if (move.fromRow == 6)
            // checks to see if this piece is being moved 2 spaces forward
                if ((move.toColumn == move.fromColumn) && (move.toRow == 4))
                // checks to see if this piece has a clear path
                    if ((board[5][move.fromColumn]) == null && (board[4][move.fromColumn]) == null)
                        valid = true;

            // checks to see if this piece is being moved up one row
            if ((move.toColumn == move.fromColumn) && (move.toRow + 1 == move.fromRow))
            // checks to see if this piece has a clear path
                if ((board[move.toRow][move.toColumn]) == null)
                    valid = true;
        }
        return valid;
    }
}