Android Open Source - FourRowSolitaire Deck

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 This file is a part of Four Row Solitaire
//from www  .j a va  2s .  c  o  m
 Copyright (C) 2010-2014 by Matt Stephen, Todor Balabanov, Konstantin Tsanov, Ventsislav Medarov, Vanya Gyaurova, Plamena Popova, Hristiana Kalcheva, Yana Genova

 Four Row Solitaire is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 Four Row Solitaire is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with FourRowSolitaire.  If not, see <http://www.gnu.org/licenses/>.
 */

package eu.veldsoft.four.row.solitaire;

import java.util.LinkedList;
import java.util.List;

/**
 * Class: Deck
 * 
 * Description: The Deck class holds all the Cards to form a 52 card deck.
 * 
 * @author Matt Stephen
 */
class Deck {

  /**
   * Constructor.
   * 
   * @author Todor Balabanov
   */
  private Deck() {
  }

  /**
   * Shuffles the integers in the array. Each integer represents a card. Thus
   * shuffling the cards. Then fills the deck with cards, equal to the
   * elements in the array.
   * 
   * @param deck
   *            List of integers to be shuffled.
   * 
   * @author Todor Balabanov
   */
  private static void shuffle(List<Card> deck) {
    int numbers[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
        16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
        32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
        48, 49, 50, 51, 52 };

    /*
     * Shuffle integer values.
     */
    for (int last = numbers.length - 1, r = -1, swap = -1; last > 0; last--) {
      r = Common.PRNG.nextInt(last + 1);
      swap = numbers[last];
      numbers[last] = numbers[r];
      numbers[r] = swap;
    }

    for (int i = 0; i < numbers.length; i++) {
      deck.add(Card.valueBy(numbers[i]));
    }
  }

  /**
   * Creates a deck, shuffles it and returns it.
   * 
   * @return Shuffled deck.
   * 
   * @author Todor Balabanov
   */
  public static List<Card> getFullShuffledDeck() {
    List<Card> deck = new LinkedList<Card>();
    shuffle(deck);

    return deck;
  }

  /**
   * Creates a deck, then fills it with cards, based on the argument (list of
   * integers). Each integer will represent a card in the deck. Then returns
   * the deck.
   * 
   * @param numbers
   *            List of integers.
   * 
   * @return deck Ready to be used.
   * 
   * @author Todor Balabanov
   */
  public static List<Card> getDeckSubsetByCardNumbers(List<Integer> numbers) {
    List<Card> deck = new LinkedList<Card>();

    for (Integer i : numbers) {
      if (numbers.get(i.intValue()) > 0) {
        deck.add(Card.valueBy(numbers.get(i.intValue())));
      }
    }

    return deck;
  }
}

Java Source Code List

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