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@@ -1,191 +1,20 @@
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/**
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* PokerGame.java
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*
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* Course in Software Craftsmenship @ Högskolan Väst
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* Poker game kata for testing TDD, Test Driven Development
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*
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* 2015-04-27
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*/
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package session3;
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import java.util.Arrays;
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/**
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* Gives you a score with a hand of poker
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*
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* @author crille
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*
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*/
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public class PokerGame {
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public int getScore(String hand) {
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int score = 0;
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if (findFlush(hand) == true)
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score = 10;
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else if (findFullHouse(hand) == true)
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score = 9;
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else if (findFourOfAKind(hand) == true)
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score = 7;
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else if (findTwoPairs(hand) == true)
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score = 6;
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else if (findThreeOfAKind(hand) == true)
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score = 3;
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else if (findPair(hand) == true)
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score = 2;
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else
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score = 0;
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return score;
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}
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/**
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* Finds a pair by looking if two cards next to each other has the same
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* value
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*
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* @param hand
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* @return true if there is a pair, otherwise false
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*/
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private boolean findPair(String hand) {
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char[] values = getValues(hand);
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// Loop again, find pair
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for (int i = 0; i < values.length - 1; i++) {
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if (values[i] == values[i + 1])
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return true;
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public Player calculateWinningPlayer(Player left, Player right) {
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Player twoPairResult = TwoPairRule.compare(left, right);
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if(twoPairResult != null){
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return twoPairResult;
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}
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return false;
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}
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/**
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* Finds a pair by looking if three cards next to each other has the same
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* value
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*
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* @param hand
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* @return true if there is a Three of a kind, otherwise false
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*/
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private boolean findThreeOfAKind(String hand) {
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char[] values = getValues(hand);
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// Loop again, find three of a kind
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for (int i = 0; i < values.length - 2; i++) {
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if (values[i] == values[i + 1] && values[i + 1] == values[i + 2])
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return true;
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Player pairResult = PairRule.compare(left, right);
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if(pairResult != null){
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return pairResult;
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}
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return false;
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return HighCardRule.compare(left, right);
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}
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/**
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* Finds two pairs by looking for a pair, and them look if the remaining
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* cards is a pair
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*
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* @param hand
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* @return true if there is two pairs, otherwise false
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*/
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private boolean findTwoPairs(String hand) {
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char[] values = getValues(hand);
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try {
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// Loop again, find pair
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for (int i = 0; i < values.length - 1; i++) {
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if (values[i] == values[i + 1]) {
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if (values[i + 2] == values[i + 3]
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|| values[i + 3] == values[i + 4]) {
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return true;
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}
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}
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}
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} catch (ArrayIndexOutOfBoundsException e) {
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return false;
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}
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return false;
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}
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/**
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* Finds Four of a kind by first finding Three of a kind and then looks if
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* one of the remaining cards matches
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*
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* @param hand
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* @return true if there is a Four of a kind, otherwise false
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*/
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private boolean findFourOfAKind(String hand) {
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char[] values = getValues(hand);
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// Loop again, find three of a kind
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for (int i = 0; i < values.length - 2; i++) {
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if (values[i] == values[i + 1] && values[i + 1] == values[i + 2]
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&& values[i + 2] == values[i + 3])
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return true;
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}
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return false;
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}
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/**
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* Finds a Full house. We have a Full House if the first and last two cards
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* are a pair, and the middle card has same value as either of them (is
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* three of a kind)
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*
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* @param hand
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* @return true if there is a Full House, otherwise false
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*/
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private boolean findFullHouse(String hand) {
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char[] values = getValues(hand);
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if (values[0] == values[1] && values[3] == values[4]
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&& (values[0] == values[2] || values[2] == values[3]))
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return true;
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return false;
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}
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/**
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* Extracts all the values from the given String (hand)
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*
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* @param hand
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* @return The values of all the cards
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*/
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private char[] getValues(String hand) {
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char[] values = "".toCharArray();
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String temp = "";
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// Find all values
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for (int i = 1; i < hand.length(); i += 2) {
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temp += hand.charAt(i);
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}
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values = temp.toCharArray();
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Arrays.sort(values);
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return values;
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}
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/**
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* Extracts all the colors from the given String (hand)
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*
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* @param hand
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* @return The colors of all the cards
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*/
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private char[] getColors(String hand) {
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char[] colors = "".toCharArray();
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String temp = "";
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// Find all values
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for (int i = 0; i < hand.length() - 1; i += 2) {
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temp += hand.charAt(i);
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}
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colors = temp.toCharArray();
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Arrays.sort(colors);
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return colors;
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}
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/**
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* Finds a Flush by looking if all cards has the same colors
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*
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* @param hand
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* @return true if there is a flush, otherwise false
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*/
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private boolean findFlush(String hand) {
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char[] colors = getColors(hand);
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// Loop again, find pair
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if (colors[0] == colors[1] && colors[1] == colors[2] && colors[2] == colors[3] && colors[3] == colors[4])
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return true;
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return false;
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}
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}
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