Space Invaders

The classic game Space Invaders, without GUI.

SpaceInvaders/src/tp/p2/game/BoardPrinter.java

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+package tp.p2.game;
+
+import tp.p2.util.MyStringUtils;
+/**
+ * @author Fernando M<>ndez Torrubiano
+ *
+ */
+public class BoardPrinter implements GamePrinter {
+	private int numRows; 
+	private int numCols;
+	private String[][] board;
+	private final String space = " ";
+	
+	public BoardPrinter(int maxfil, int maxcol) {
+		this.numRows = maxfil;
+		this.numCols = maxcol;
+	}
+
+	@Override
+	public String toString(Game game) {
+		encodeGame(game);
+		
+		int cellSize = 7;
+		int marginSize = 2;
+		String vDelimiter = "|";
+		String hDelimiter = "-";
+		
+		String rowDelimiter = MyStringUtils.repeat(hDelimiter, (numCols * (cellSize + 1)) - 1); 
+		String margin = MyStringUtils.repeat(space, marginSize);
+		String lineDelimiter = String.format("%n%s%s%n", margin + space, rowDelimiter);
+		
+		StringBuilder str = new StringBuilder();
+		
+		str.append(lineDelimiter);
+		
+		for(int i=0; i<numRows; i++) {
+			str.append(margin).append(vDelimiter);
+			for (int j=0; j<numCols; j++) {
+				str.append(MyStringUtils.centre(board[i][j], cellSize)).append(vDelimiter);
+			}
+			str.append(lineDelimiter);
+		}
+		return str.toString();
+	}
+	
+	private void encodeGame(Game game) {
+		this.board = new String[numRows][numCols];
+		for(int i = 0; i < numRows; i++) {
+			for(int j = 0; j < numCols; j++) {
+				board[i][j] =  game.board.toString(i, j);
+			}
+		}
+	}
+	
+	@Override
+	public GamePrinter parse(String name) {
+		GamePrinter tablero = null;
+		
+		if(name.equals("boardprinter") || name.equals("board")) {
+			tablero = this;
+		}
+		
+		return tablero;
+	}
+
+	@Override
+	public String helpText() {
+		return "prints the game formatted as a board of dimension: " + Game.MAXFIL + "," + Game.MAXCOL;
+	}
+
+	@Override
+	public void setGame(Game game) {
+		//
+	}
+
+}