model.pieces
Class Piece

java.lang.Object
  model.pieces.Piece

Direct Known Subclasses:

Bishop, King, Knight, Pawn, Queen, Rook

public abstract class Piece
extends java.lang.Object

Represents a Piece in the chess board.

Constructor Summary

Piece(java.lang.String pieceName, boolean what, javax.swing.Icon icon)
This constructor is used by all the subclasses of Piece.

Method Summary

boolean	getColor() accessor(selector): Returns the Color of the given Piece.
javax.swing.Icon	getIcon() accessor(selector): Returns an icon of the Piece.
java.lang.String	getName() accessor(selector): Returns the name of the given Piece.
abstract java.util.List<Move>	moves(Cell x, ChessBoard z) Finds and returns all the possible moves of the Piece in the given Cell, in the given ChessBoard.
void	setIcon(javax.swing.Icon r) transformer(mutative): Changes the Icon of the given piece with the one passed as parameter.
void	setName(java.lang.String x) transformer(mutative): Changes the Piece's name to the String passed as parameter.
java.lang.String	toString() accessor(selector): Returns a String representation of a Piece.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Piece

public Piece(java.lang.String pieceName,
             boolean what,
             javax.swing.Icon icon)
      throws java.lang.IllegalArgumentException

This constructor is used by all the subclasses of Piece.
constructor: Constructs a Piece with the given parameters.
precondition: pieceName parameter cannot be null or empty.
postcondition: Creates a new Piece

Parameters:

pieceName - the String name of the piece

what - the Color the given piece will have

icon - the Icon this piece will have

Throws:

IllegalArgument - exception if pieceName parameter is empty or null.

java.lang.IllegalArgumentException

Method Detail

getColor

public boolean getColor()

accessor(selector): Returns the Color of the given Piece.
postcondition: Returns the Color of the Piece(true for white, false for black)

Returns:

the Color of the given Piece

moves

public abstract java.util.List<Move> moves(Cell x,
                                           ChessBoard z)

Finds and returns all the possible moves of the Piece in the given Cell, in the given ChessBoard.
postcondition: Creates and returns a List of all the possible moves of the Piece in the given Cell. In case the Cell doesn't contain a Piece, an empty list is returned
.

Parameters:

x - Piece's current Cell

z - ChessBoard where the Cell can be found

Returns:

All the possible moves of the Piece in this particular Cell.

setIcon

public void setIcon(javax.swing.Icon r)

transformer(mutative): Changes the Icon of the given piece with the one passed as parameter.
postcondition: Changes current Piece Icon with the one given.

Parameters:

r - Icon to be set to.

getIcon

public javax.swing.Icon getIcon()

accessor(selector): Returns an icon of the Piece.
postcondition: Returns the icon of a Piece depending on it's color.

Returns:

Icon, an image of the Piece.

setName

public void setName(java.lang.String x)
             throws java.lang.NullPointerException,
                    java.lang.IllegalArgumentException

transformer(mutative): Changes the Piece's name to the String passed as parameter.
precondition: x is not null and not the empty String.
postcondition: Changes the name of the Piece to the argument one.

Parameters:

x - String Parameter to alter Player's name to.

Throws:

java.lang.NullPointerException - If String argument x is null.

java.lang.IllegalArgumentException - If the String is empty

getName

public java.lang.String getName()

accessor(selector): Returns the name of the given Piece.
postcondition: Returns the name of the given Piece

Returns:

String name of the Piece

toString

public java.lang.String toString()

accessor(selector): Returns a String representation of a Piece.
postcondition: Returns a String display of a Piece.

Overrides:

toString in class java.lang.Object

Returns:

a String symbolizing the Piece.