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-rw-r--r--src/eu/equalparts/cardbase/comparator/CardComparator.java37
-rw-r--r--src/eu/equalparts/cardbase/comparator/ComparatorDelegates.java76
-rw-r--r--src/eu/equalparts/cardbase/comparator/SpecialFields.java11
3 files changed, 85 insertions, 39 deletions
diff --git a/src/eu/equalparts/cardbase/comparator/CardComparator.java b/src/eu/equalparts/cardbase/comparator/CardComparator.java
index 78200b8..fe440f3 100644
--- a/src/eu/equalparts/cardbase/comparator/CardComparator.java
+++ b/src/eu/equalparts/cardbase/comparator/CardComparator.java
@@ -1,5 +1,6 @@
package eu.equalparts.cardbase.comparator;
+import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
@@ -7,6 +8,8 @@ import java.util.Comparator;
import java.util.function.BiFunction;
import eu.equalparts.cardbase.Cardbase;
+import eu.equalparts.cardbase.comparator.SpecialFields.DirtyNumber;
+import eu.equalparts.cardbase.comparator.SpecialFields.Rarity;
import eu.equalparts.cardbase.data.Card;
/**
@@ -35,9 +38,11 @@ public class CardComparator implements Comparator<Card> {
* The field being compared.
*/
private Field fieldToCompare;
+ /**
+ * The comparison delegate to use for the specified field.
+ */
+ private BiFunction<Comparable, Comparable, Integer> selectedComparisonDelegate = this::defaultComparison;
- private BiFunction<Comparable, Comparable, Integer> comparisonDelegate = this::defaultComparison;
-
/**
* Creates a new comparator for the specified field only. This class
* will only be constructed successfully if the field comes from
@@ -55,12 +60,14 @@ public class CardComparator implements Comparator<Card> {
this.fieldToCompare = fieldToCompare;
// if annotated with a special comparator, set the comparison delegate here
- this.comparisonDelegate = ComparatorDelegates::compareManaCost;
-
+ for (Annotation annotation : fieldToCompare.getAnnotations()) {
+ if (annotation.annotationType() == DirtyNumber.class) {
+ this.selectedComparisonDelegate = ComparatorDelegates::compareDirtyNumber;
+ } else if (annotation.annotationType() == Rarity.class) {
+ this.selectedComparisonDelegate = ComparatorDelegates::compareRarity;
+ }
+ }
} else {
- System.out.println(fieldToCompare.isAccessible());
- System.out.println(fieldToCompare.getDeclaringClass().equals(Card.class));
- System.out.println(isSelfComparable(fieldToCompare.getType()));
throw new IllegalArgumentException("The field provided is not valid.");
}
}
@@ -75,9 +82,21 @@ public class CardComparator implements Comparator<Card> {
Comparable field1 = (Comparable) fieldToCompare.get(o1);
Comparable field2 = (Comparable) fieldToCompare.get(o2);
- return comparisonDelegate.apply(field1, field2);
+ // if either or both fields' values are null, skip delegation altogether since delegates are not required to deal with null values
+ if (field1 == null) {
+ if (field2 == null) {
+ return 0;
+ } else {
+ return -1;
+ }
+ } else if (field2 == null) {
+ return 1;
+ } else {
+ return selectedComparisonDelegate.apply(field1, field2);
+ }
+
} catch (IllegalArgumentException e) {
- System.out.println("Error: class Card does not define field" + fieldToCompare.getName() + ".");
+ System.out.println("Error: class Card does not define field \"" + fieldToCompare.getName() + "\".");
if (Cardbase.DEBUG) e.printStackTrace();
} catch (IllegalAccessException e) {
System.out.println("Error: field " + fieldToCompare.getName() + " in Card is not visible.");
diff --git a/src/eu/equalparts/cardbase/comparator/ComparatorDelegates.java b/src/eu/equalparts/cardbase/comparator/ComparatorDelegates.java
index 5736381..7bf09ac 100644
--- a/src/eu/equalparts/cardbase/comparator/ComparatorDelegates.java
+++ b/src/eu/equalparts/cardbase/comparator/ComparatorDelegates.java
@@ -1,39 +1,59 @@
package eu.equalparts.cardbase.comparator;
-abstract class ComparatorDelegates {
+final class ComparatorDelegates {
private ComparatorDelegates() {}
-
- public static Integer compareManaCost(Comparable<String> field1, Comparable<String> field2) {
- // avoid casting syntax nightmare
- String mc1 = (String) field1, mc2 = (String) field2;
-
- // first by number of colours
- int mc1count = 0, mc2count = 0;
- if (mc1.contains("W")) mc1count++;
- if (mc1.contains("U")) mc1count++;
- if (mc1.contains("B")) mc1count++;
- if (mc1.contains("R")) mc1count++;
- if (mc1.contains("G")) mc1count++;
-
- if (mc2.contains("W")) mc2count++;
- if (mc2.contains("U")) mc2count++;
- if (mc2.contains("B")) mc2count++;
- if (mc2.contains("R")) mc2count++;
- if (mc2.contains("G")) mc2count++;
+
+ /*
+ * Delegates
+ */
+ public static Integer compareDirtyNumber(Comparable<String> field1, Comparable<String> field2) {
+ // this assumes that the format is uninterrupted numbers and letters
+ String number1 = ((String) field1).replaceAll("[^0-9]+", "");
+ String number2 = ((String) field2).replaceAll("[^0-9]+", "");
- if (mc1count != mc2count)
- return (mc1count < mc2count) ? -1 : ((mc1count == mc2count) ? 0 : 1);
+ Integer int1 = number1.matches("[0-9]+") ? Integer.parseInt(number1) : null;
+ Integer int2 = number2.matches("[0-9]+") ? Integer.parseInt(number2) : null;
- // next by colour wheel
+ if (int1 == null) {
+ if (int2 != null) {
+ // field1 has no numbers but field2 does, field1 is less by default
+ // if neither have numbers, letters will be looked at below
+ return -1;
+ }
+ } else if (int2 == null) {
+ // field2 has no numbers but field1 does, field1 is more by default
+ return 1;
+ } else {
+ // both have numbers, perform comparison if not identical
+ // if identical, look at letters below
+ if (int1 != int2)
+ return int1.compareTo(int2);
+ }
+ // compare by letters
+ String letter1 = number1.replaceAll("[0-9]+", "");
+ String letter2 = number2.replaceAll("[0-9]+", "");
+ return letter1.compareTo(letter2);
+ }
+
+ public static Integer compareRarity(Comparable<String> field1, Comparable<String> field2) {
+ // assign numerical values based on the different possibilities and compare those instead
+ Integer value1 = getRarityValue((String) field1);
+ Integer value2 = getRarityValue((String) field2);
- return 0;
+ return value1.compareTo(value2);
}
+ /*
+ * Internally used utility functions
+ */
+ private static int getRarityValue(String rarityString) {
+ return rarityString.equalsIgnoreCase("Common") ? 0 :
+ rarityString.equalsIgnoreCase("Uncommon") ? 1 :
+ rarityString.equalsIgnoreCase("Rare") ? 2 :
+ rarityString.equalsIgnoreCase("Mythic Rare") ? 3 :
+ rarityString.equalsIgnoreCase("Basic Land") ? 4 :
+ rarityString.equalsIgnoreCase("Special") ? 5 : 6;
+ }
}
-/*
- * first by number of colours
- * next by colour wheel: white > blue > black > red > green
- * next by cmc
- */ \ No newline at end of file
diff --git a/src/eu/equalparts/cardbase/comparator/SpecialFields.java b/src/eu/equalparts/cardbase/comparator/SpecialFields.java
index 8ecc82c..f17ccc6 100644
--- a/src/eu/equalparts/cardbase/comparator/SpecialFields.java
+++ b/src/eu/equalparts/cardbase/comparator/SpecialFields.java
@@ -1,8 +1,15 @@
package eu.equalparts.cardbase.comparator;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
-public class SpecialFields {
- public @interface ManaCost {}
+public class SpecialFields {
+
+ @Retention(RetentionPolicy.RUNTIME)
+ public @interface DirtyNumber {}
+
+ @Retention(RetentionPolicy.RUNTIME)
+ public @interface Rarity {}
}