8.7.1

ItemStack
Changed the names of a few options to more abstract name for future items.

SkullUtils
Fixed an issue where using ItemStack#equals or ItemStack#isSimilar caused a NPE when used between two custom skulls.

XTag
Fixed isItem() for outdated versions above 1.13

Author: CryptoMorin

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.github.cryptomorin</groupId>
     <artifactId>XSeries</artifactId>
-    <version>8.7.0</version>
+    <version>8.7.1</version>
 
     <name>XSeries</name>
     <description>A set of utilities for Minecraft plugins</description>

src/main/java/com/cryptomorin/xseries/SkullUtils.java

@@ -36,6 +36,7 @@
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import java.lang.reflect.Field;
+import java.lang.reflect.Method;
 import java.util.Base64;
 import java.util.Objects;
 import java.util.UUID;
@@ -51,7 +52,7 @@
  * </ul>
  *
  * @author Crypto Morin
- * @version 3.1.1
+ * @version 3.1.2
  * @see XMaterial
  * @see ReflectionUtils
  * @see SkullCacheListener
@@ -61,7 +62,6 @@ public class SkullUtils {
     private static final String VALUE_PROPERTY = "{\"textures\":{\"SKIN\":{\"url\":\"";
     private static final boolean SUPPORTS_UUID = XMaterial.supports(12);
     private static final String TEXTURES = "https://textures.minecraft.net/texture/";
-    //private static final Pattern BASE64 = Pattern.compile("(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)?");
 
     static {
         MethodHandles.Lookup lookup = MethodHandles.lookup();
@@ -71,9 +71,16 @@ public class SkullUtils {
             Class<?> CraftMetaSkull = ReflectionUtils.getCraftClass("inventory.CraftMetaSkull");
             Field profile = CraftMetaSkull.getDeclaredField("profile");
             profile.setAccessible(true);
-
-            profileSetter = lookup.unreflectSetter(profile);
             profileGetter = lookup.unreflectGetter(profile);
+
+            try {
+                // https://github.com/CryptoMorin/XSeries/issues/169
+                Method setProfile = CraftMetaSkull.getDeclaredMethod("setProfile", GameProfile.class);
+                setProfile.setAccessible(true);
+                profileSetter = lookup.unreflect(setProfile);
+            } catch (NoSuchMethodException e) {
+                profileSetter = lookup.unreflectSetter(profile);
+            }
         } catch (NoSuchFieldException | IllegalAccessException e) {
             e.printStackTrace();
         }

src/main/java/com/cryptomorin/xseries/XItemStack.java

@@ -74,7 +74,7 @@
  * ItemStack: https://hub.spigotmc.org/javadocs/spigot/org/bukkit/inventory/ItemStack.html
  *
  * @author Crypto Morin
- * @version 7.0.0
+ * @version 7.1.0
  * @see XMaterial
  * @see XPotion
  * @see SkullUtils
@@ -196,23 +196,21 @@ public static void serialize(@Nonnull ItemStack item, @Nonnull ConfigurationSect
             config.set("color", color.getRed() + ", " + color.getGreen() + ", " + color.getBlue());
         } else if (meta instanceof PotionMeta) {
             if (supports(9)) {
-
                 PotionMeta potion = (PotionMeta) meta;
                 List<PotionEffect> customEffects = potion.getCustomEffects();
                 List<String> effects = new ArrayList<>(customEffects.size());
                 for (PotionEffect effect : customEffects) {
                     effects.add(effect.getType().getName() + ", " + effect.getDuration() + ", " + effect.getAmplifier());
                 }
 
-                config.set("custom-effects", effects);
+                config.set("effects", effects);
                 PotionData potionData = potion.getBasePotionData();
                 config.set("base-effect", potionData.getType().name() + ", " + potionData.isExtended() + ", " + potionData.isUpgraded());
 
                 if (potion.hasColor()) config.set("color", potion.getColor().asRGB());
 
             } else {
-
-                //check for water bottles in 1.8
+                // Check for water bottles in 1.8
                 if (item.getDurability() != 0) {
                     Potion potion = Potion.fromItemStack(item);
                     config.set("level", potion.getLevel());
@@ -288,7 +286,7 @@ public static void serialize(@Nonnull ItemStack item, @Nonnull ConfigurationSect
         } else if (supports(17)) {
             if (meta instanceof AxolotlBucketMeta) {
                 AxolotlBucketMeta bucket = (AxolotlBucketMeta) meta;
-                if (bucket.hasVariant()) config.set("variant", bucket.getVariant().toString());
+                if (bucket.hasVariant()) config.set("color", bucket.getVariant().toString());
             }
         } else if (supports(16)) {
             if (meta instanceof CompassMeta) {
@@ -478,7 +476,7 @@ public static ItemStack edit(@Nonnull ItemStack item, @Nonnull ConfigurationSect
             if (supports(9)) {
                 PotionMeta potion = (PotionMeta) meta;
 
-                for (String effects : config.getStringList("custom-effects")) {
+                for (String effects : config.getStringList("effects")) {
                     XPotion.Effect effect = XPotion.parseEffect(effects);
                     if (effect.hasChance()) potion.addCustomEffect(effect.getEffect(), true);
                 }
@@ -521,7 +519,7 @@ public static ItemStack edit(@Nonnull ItemStack item, @Nonnull ConfigurationSect
                 spawner.update(true);
                 bsm.setBlockState(spawner);
             } else if (supports(11) && state instanceof ShulkerBox) {
-                ConfigurationSection shulkerSection = config.getConfigurationSection("shulker");
+                ConfigurationSection shulkerSection = config.getConfigurationSection("contents");
                 if (shulkerSection != null) {
                     ShulkerBox box = (ShulkerBox) state;
                     for (String key : shulkerSection.getKeys(false)) {
@@ -637,7 +635,7 @@ public static ItemStack edit(@Nonnull ItemStack item, @Nonnull ConfigurationSect
         } else if (supports(17)) {
             if (meta instanceof AxolotlBucketMeta) {
                 AxolotlBucketMeta bucket = (AxolotlBucketMeta) meta;
-                String variantStr = config.getString("variant");
+                String variantStr = config.getString("color");
                 if (variantStr != null) {
                     Axolotl.Variant variant = Enums.getIfPresent(Axolotl.Variant.class, variantStr.toUpperCase(Locale.ENGLISH)).or(Axolotl.Variant.BLUE);
                     bucket.setVariant(variant);

src/main/java/com/cryptomorin/xseries/XTag.java

@@ -27,7 +27,6 @@
 
 import java.util.*;
 
-@SuppressWarnings("NotNullFieldNotInitialized")
 public final class XTag<@NonNull T extends Enum<T>> {
 
     public static final @NonNull XTag<XMaterial> AIR;
@@ -2010,11 +2009,15 @@ private static XMaterial[] findAllCorals(boolean alive, boolean block, boolean f
      * Checks if this Material is an obtainable item. "Obtainable items" are simply materials that can be displayed in your GUI.
      * This method is mainly designed to support pre-1.13, servers using 1.13 and above will directly have their materials checked with {@link Material#isItem()}
      *
-     * @return true if this material is an item.
+     * @return true if this material is an item, otherwise false if it's not an item or the item is not supported.
      * @since 1.13
      */
     public static boolean isItem(XMaterial material) {
-        if (XMaterial.supports(13)) return material.parseMaterial().isItem();
+        if (XMaterial.supports(13)) {
+            Material mat = material.parseMaterial();
+            return mat != null && mat.isItem();
+        }
+
         switch (material) { // All the materials that are NOT an item (only 1.12 materials)
             case ATTACHED_MELON_STEM:
             case ATTACHED_PUMPKIN_STEM: