From 64c8e926d167a17865a6c3d86e48b383d413b569 Mon Sep 17 00:00:00 2001
From: Eduardo Pedroni <e.pedroni91@gmail.com>
Date: Sun, 12 Jun 2016 21:03:29 +0200
Subject: Refactoring sorting

---
 src/eu/equalparts/cardbase/Cardbase.java             |  3 ---
 .../cardstorage/StandaloneCardContainer.java         | 20 +++-----------------
 src/eu/equalparts/cardbase/sorting/CardSorting.java  | 20 ++++++++++++++++++++
 3 files changed, 23 insertions(+), 20 deletions(-)
 create mode 100644 src/eu/equalparts/cardbase/sorting/CardSorting.java

(limited to 'src/eu')

diff --git a/src/eu/equalparts/cardbase/Cardbase.java b/src/eu/equalparts/cardbase/Cardbase.java
index 10908c8..9c630bd 100644
--- a/src/eu/equalparts/cardbase/Cardbase.java
+++ b/src/eu/equalparts/cardbase/Cardbase.java
@@ -2,10 +2,7 @@ package eu.equalparts.cardbase;
 
 import java.io.File;
 import java.io.IOException;
-import java.util.HashMap;
-import java.util.Map;
 
-import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.core.JsonGenerationException;
 import com.fasterxml.jackson.core.JsonParseException;
 import com.fasterxml.jackson.databind.JsonMappingException;
diff --git a/src/eu/equalparts/cardbase/cardstorage/StandaloneCardContainer.java b/src/eu/equalparts/cardbase/cardstorage/StandaloneCardContainer.java
index 1a4315d..53d248d 100644
--- a/src/eu/equalparts/cardbase/cardstorage/StandaloneCardContainer.java
+++ b/src/eu/equalparts/cardbase/cardstorage/StandaloneCardContainer.java
@@ -1,16 +1,13 @@
 package eu.equalparts.cardbase.cardstorage;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
 import java.util.HashMap;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 import eu.equalparts.cardbase.cards.Card;
-import eu.equalparts.cardbase.comparator.CardComparator;
 
 /**
  * TODO fix comments
@@ -46,19 +43,8 @@ public class StandaloneCardContainer extends ReferenceCardContainer {
 	 * 
 	 * @return an unmodifiable list of all the cards in the cardbase.
 	 */
-	public Collection<Card> getCards() {
-		return Collections.unmodifiableCollection(cardData.values());
-	}
-	
-	/**
-	 * @param fieldName the name of the field by which to sort.
-	 * @return an unmodifiable collection representing the cardbase sorted in the required order.
-	 * @throws NoSuchFieldException if the field provided is invalid.
-	 */
-	public Collection<Card> sortByField(String fieldName) throws NoSuchFieldException {
-		List<Card> sortedCards = new ArrayList<Card>(getCards());
-		sortedCards.sort(new CardComparator(Card.class.getDeclaredField(fieldName)));
-		return Collections.unmodifiableCollection(sortedCards);
+	public List<Card> getCards() {
+		return new LinkedList<Card>(cardData.values());
 	}
 	
 	@Override
diff --git a/src/eu/equalparts/cardbase/sorting/CardSorting.java b/src/eu/equalparts/cardbase/sorting/CardSorting.java
new file mode 100644
index 0000000..04413b9
--- /dev/null
+++ b/src/eu/equalparts/cardbase/sorting/CardSorting.java
@@ -0,0 +1,20 @@
+package eu.equalparts.cardbase.sorting;
+
+import java.util.List;
+
+import eu.equalparts.cardbase.cards.Card;
+import eu.equalparts.cardbase.comparator.CardComparator;
+
+public abstract class CardSorting {
+
+	/**
+	 * @param cards
+	 * @param fieldName the name of the field by which to sort.
+	 * @return an unmodifiable collection representing the cardbase sorted in the required order.
+	 * @throws NoSuchFieldException if the field provided is invalid.
+	 */
+	public static List<Card> sortByField(List<Card> cards, String fieldName) throws NoSuchFieldException {
+		cards.sort(new CardComparator(Card.class.getDeclaredField(fieldName)));
+		return cards;
+	}
+}
-- 
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