Added ColorArgParser

eco-api/src/main/java/com/willfp/eco/core/items/args/ColorArgParser.java

@@ -0,0 +1,65 @@
+package com.willfp.eco.core.items.args;
+
+import org.bukkit.Color;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.inventory.meta.LeatherArmorMeta;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.function.Predicate;
+
+/**
+ * Parse leather armor colors.
+ */
+public class ColorArgParser implements LookupArgParser {
+    @Override
+    public @Nullable Predicate<ItemStack> parseArguments(@NotNull final String[] args,
+                                                         @NotNull final ItemMeta meta) {
+        if (!(meta instanceof LeatherArmorMeta armorMeta)) {
+            return null;
+        }
+
+        String color = null;
+
+        for (String arg : args) {
+            String[] argSplit = arg.split(":");
+            if (!argSplit[0].equalsIgnoreCase("color")) {
+                continue;
+            }
+
+            if (argSplit.length < 2) {
+                continue;
+            }
+
+            color = argSplit[1];
+        }
+
+        if (color == null) {
+            return null;
+        }
+
+        armorMeta.setColor(Color.fromRGB(Integer.parseInt(color, 16)));
+
+        String finalColor = color;
+        return test -> {
+            if (!test.hasItemMeta()) {
+                return false;
+            }
+
+            ItemMeta testMeta = test.getItemMeta();
+
+            assert testMeta != null;
+
+            if (testMeta instanceof LeatherArmorMeta cast) {
+                return finalColor.equalsIgnoreCase(
+                        Integer.toHexString(cast.getColor().getRed())
+                                + Integer.toHexString(cast.getColor().getGreen())
+                                + Integer.toHexString(cast.getColor().getBlue())
+                );
+            }
+
+            return true;
+        };
+    }
+}