Add ItemColor utility class

plugin/src/main/java/org/battleplugins/arena/util/ItemColor.java

@@ -0,0 +1,99 @@
+package org.battleplugins.arena.util;
+
+import org.bukkit.DyeColor;
+import org.bukkit.Material;
+
+import java.util.Map;
+import java.util.function.Function;
+
+/**
+ * A utility class to get the different colors of items.
+ */
+public enum ItemColor {
+    WHITE(DyeColor.WHITE, Material.WHITE_BANNER, Material.WHITE_WOOL, Material.WHITE_STAINED_GLASS_PANE, Material.WHITE_DYE, Material.WHITE_CANDLE),
+    ORANGE(DyeColor.ORANGE, Material.ORANGE_BANNER, Material.ORANGE_WOOL, Material.ORANGE_STAINED_GLASS_PANE, Material.ORANGE_DYE, Material.ORANGE_CANDLE),
+    MAGENTA(DyeColor.MAGENTA, Material.MAGENTA_BANNER, Material.MAGENTA_WOOL, Material.MAGENTA_STAINED_GLASS_PANE, Material.MAGENTA_DYE, Material.MAGENTA_CANDLE),
+    LIGHT_BLUE(DyeColor.LIGHT_BLUE, Material.LIGHT_BLUE_BANNER, Material.LIGHT_BLUE_WOOL, Material.LIGHT_BLUE_STAINED_GLASS_PANE, Material.LIGHT_BLUE_DYE, Material.LIGHT_BLUE_CANDLE),
+    YELLOW(DyeColor.YELLOW, Material.YELLOW_BANNER, Material.YELLOW_WOOL, Material.YELLOW_STAINED_GLASS_PANE, Material.YELLOW_DYE, Material.YELLOW_CANDLE),
+    LIME(DyeColor.LIME, Material.LIME_BANNER, Material.LIME_WOOL, Material.LIME_STAINED_GLASS_PANE, Material.LIME_DYE, Material.LIME_CANDLE),
+    PINK(DyeColor.PINK, Material.PINK_BANNER, Material.PINK_WOOL, Material.PINK_STAINED_GLASS_PANE, Material.PINK_DYE, Material.PINK_CANDLE),
+    GRAY(DyeColor.GRAY, Material.GRAY_BANNER, Material.GRAY_WOOL, Material.GRAY_STAINED_GLASS_PANE, Material.GRAY_DYE, Material.GRAY_CANDLE),
+    LIGHT_GRAY(DyeColor.LIGHT_GRAY, Material.LIGHT_GRAY_BANNER, Material.LIGHT_GRAY_WOOL, Material.LIGHT_GRAY_STAINED_GLASS_PANE, Material.LIGHT_GRAY_DYE, Material.LIGHT_GRAY_CANDLE),
+    CYAN(DyeColor.CYAN, Material.CYAN_BANNER, Material.CYAN_WOOL, Material.CYAN_STAINED_GLASS_PANE, Material.CYAN_DYE, Material.CYAN_CANDLE),
+    PURPLE(DyeColor.PURPLE, Material.PURPLE_BANNER, Material.PURPLE_WOOL, Material.PURPLE_STAINED_GLASS_PANE, Material.PURPLE_DYE, Material.PURPLE_CANDLE),
+    BLUE(DyeColor.BLUE, Material.BLUE_BANNER, Material.BLUE_WOOL, Material.BLUE_STAINED_GLASS_PANE, Material.BLUE_DYE, Material.BLUE_CANDLE),
+    BROWN(DyeColor.BROWN, Material.BROWN_BANNER, Material.BROWN_WOOL, Material.BROWN_STAINED_GLASS_PANE, Material.BROWN_DYE, Material.BROWN_CANDLE),
+    GREEN(DyeColor.GREEN, Material.GREEN_BANNER, Material.GREEN_WOOL, Material.GREEN_STAINED_GLASS_PANE, Material.GREEN_DYE, Material.GREEN_CANDLE),
+    RED(DyeColor.RED, Material.RED_BANNER, Material.RED_WOOL, Material.RED_STAINED_GLASS_PANE, Material.RED_DYE, Material.RED_CANDLE),
+    BLACK(DyeColor.BLACK, Material.BLACK_BANNER, Material.BLACK_WOOL, Material.BLACK_STAINED_GLASS_PANE, Material.BLACK_DYE, Material.BLACK_CANDLE);
+
+    private static final ItemColor[] VALUES = values();
+    private static final Map<Category, Function<ItemColor, Material>> CATEGORIES = Map.of(
+            Category.BANNER, c -> c.banner,
+            Category.WOOL, c -> c.wool,
+            Category.GLASS_PANE, c -> c.glassPane,
+            Category.DYE, c -> c.dye,
+            Category.CANDLE, c -> c.candle
+    );
+
+    private final DyeColor color;
+    private final Material banner;
+    private final Material wool;
+    private final Material glassPane;
+    private final Material dye;
+    private final Material candle;
+
+    ItemColor(DyeColor color, Material banner, Material wool, Material glassPane, Material dye, Material candle) {
+        this.color = color;
+        this.banner = banner;
+        this.wool = wool;
+        this.glassPane = glassPane;
+        this.dye = dye;
+        this.candle = candle;
+    }
+
+    /**
+     * Gets the material of the given color and category.
+     *
+     * @param color the color of the material
+     * @param category the category of the material
+     * @return the material of the given color and category
+     */
+    public static Material get(DyeColor color, Category category) {
+        for (ItemColor itemColor : VALUES) {
+            if (itemColor.color == color) {
+                return CATEGORIES.get(category).apply(itemColor);
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Gets the color of the given material and category.
+     *
+     * @param material the material of the color
+     * @param category the category of the color
+     * @return the color of the given material and category
+     */
+    public static DyeColor get(Material material, Category category) {
+        for (ItemColor itemColor : VALUES) {
+            if (CATEGORIES.get(category).apply(itemColor) == material) {
+                return itemColor.color;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * The different categories of colors.
+     */
+    public enum Category {
+        BANNER,
+        WOOL,
+        GLASS_PANE,
+        DYE,
+        CANDLE
+    }
+}