forgot to commit a class

Mage.Server/src/main/java/mage/server/util/SystemUtil.java

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+package mage.server.util;
+
+import mage.Constants;
+import mage.cards.Card;
+import mage.game.Game;
+import mage.players.Player;
+import mage.sets.Sets;
+
+import java.io.File;
+import java.util.HashSet;
+import java.util.Scanner;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @author nantuko
+ */
+public class SystemUtil {
+
+	private static final String INIT_FILE_PATH = "config" + File.separator + "init.txt";
+	private static final org.apache.log4j.Logger logger =  org.apache.log4j.Logger.getLogger(SystemUtil.class);
+
+	/**
+	 * Replaces cards in player's hands by specified in config/init.txt.<br/>
+	 * <br/>
+	 * <b>Implementation note:</b><br/>
+	 * 1. Read init.txt line by line<br/>
+	 * 2. Parse line using the following format: line ::= <zone>:<nickname>:<card name>:<amount><br/>
+	 * 3. If zone equals to 'hand', add card to player's library<br/>
+	 *   3a. Then swap added card with any card in player's hand<br/>
+	 *   3b. Parse next line (go to 2.), If EOF go to 4.<br/>
+	 * 4. Log message to all players that cards were added (to prevent unfair play).<br/>
+	 * 5. Exit<br/>
+	 */
+	public static void addCardsForTesting(Game game) {
+		try {
+			File f = new File(INIT_FILE_PATH);
+			Pattern pattern = Pattern.compile("([a-zA-Z]*):([\\w]*):([a-zA-Z ,\\-.!'\\d]*):([\\d]*)");
+			if (!f.exists()) {
+				logger.warn("Couldn't find init file: " + INIT_FILE_PATH);
+				return;
+			}
+
+			//logger.info("Parsing init.txt for player : " + player.getName());
+
+			Scanner scanner = new Scanner(f);
+			try {
+				while (scanner.hasNextLine()) {
+					String line = scanner.nextLine().trim();
+					if (line.trim().length() == 0 || line.startsWith("#")) continue;
+					Matcher m = pattern.matcher(line);
+					if (m.matches()) {
+
+						String zone = m.group(1);
+						String nickname = m.group(2);
+
+						Player player = findPlayer(game, nickname);
+						if (player != null) {
+							Constants.Zone gameZone;
+							if ("hand".equalsIgnoreCase(zone)) {
+								gameZone = Constants.Zone.HAND;
+							} else if ("battlefield".equalsIgnoreCase(zone)) {
+								gameZone = Constants.Zone.BATTLEFIELD;
+							} else if ("graveyard".equalsIgnoreCase(zone)) {
+								gameZone = Constants.Zone.GRAVEYARD;
+							} else if ("library".equalsIgnoreCase(zone)) {
+								gameZone = Constants.Zone.LIBRARY;
+							} else {
+								continue; // go parse next line
+							}
+
+							String cardName = m.group(3);
+							Integer amount = Integer.parseInt(m.group(4));
+							for (int i = 0; i < amount; i++) {
+								Card card = Sets.findCard(cardName, true);
+								if (card != null) {
+									Set<Card> cards = new HashSet<Card>();
+									cards.add(card);
+									game.loadCards(cards, player.getId());
+									swapWithAnyCard(game, player, card, gameZone);
+								} else {
+									logger.fatal("Couldn't find a card: " + cardName);
+								}
+							}
+						} else {
+							logger.warn("Was skipped: " + line);
+						}
+					} else {
+						logger.warn("Init string wasn't parsed: " + line);
+					}
+				}
+			}
+			finally {
+				scanner.close();
+			}
+		} catch (Exception e) {
+			logger.fatal("", e);
+		}
+	}
+
+	/**
+	 * Swap cards between specified card from library and any hand card.
+	 *
+	 * @param game
+	 * @param card Card to put to player's hand
+	 */
+	private static void swapWithAnyCard(Game game, Player player, Card card, Constants.Zone zone) {
+		if (zone.equals(Constants.Zone.BATTLEFIELD)) {
+			card.putOntoBattlefield(game, Constants.Zone.OUTSIDE, null, player.getId());
+		} else {
+			card.moveToZone(zone, null, game, false);
+		}
+		logger.info("Added card to player's " + zone.toString() + ": " + card.getName() +", player = " + player.getName());
+	}
+
+	/**
+	 * Find player by name.
+	 *
+	 * @param game
+	 * @param name
+	 * @return
+	 */
+	private static Player findPlayer(Game game, String name) {
+		for (Player player: game.getPlayers().values()) {
+			if (player.getName().equals(name))
+				return player;
+		}
+		return null;
+	}
+}