feat(item): 优化PreparedItem的结构，使其适用于更多项目。

common/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mineconfiguration-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>2.8.6</version>
+        <version>2.8.7</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <properties>

platform/bukkit/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mineconfiguration-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>2.8.6</version>
+        <version>2.8.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>

platform/bukkit/src/main/java/cc/carm/lib/mineconfiguration/bukkit/value/item/ItemModifier.java

@@ -0,0 +1,262 @@
+package cc.carm.lib.mineconfiguration.bukkit.value.item;
+
+import cc.carm.lib.configuration.core.value.type.ConfiguredList;
+import cc.carm.lib.mineconfiguration.bukkit.utils.TextParser;
+import cc.carm.lib.mineconfiguration.bukkit.value.ConfiguredMessage;
+import cc.carm.lib.mineconfiguration.bukkit.value.ConfiguredMessageList;
+import cc.carm.lib.mineconfiguration.common.utils.ParamsUtils;
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.enchantments.Enchantment;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.inventory.meta.SkullMeta;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.*;
+import java.util.function.BiConsumer;
+import java.util.function.Consumer;
+import java.util.function.Function;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public abstract class ItemModifier<S extends ItemModifier<S, R>, R> {
+
+    public static final @NotNull Pattern LORE_INSERT_PATTERN = Pattern.compile("^(?:\\{(.*)})?#(.*)#(?:\\{(-?\\d+)(?:,(-?\\d+))?})?$");
+
+    protected final @NotNull Function<@NotNull Player, @Nullable ItemStack> itemProvider;
+
+    protected @NotNull Map<String, Object> placeholders = new HashMap<>();
+    protected @NotNull String[] params;
+    protected @NotNull Object[] values;
+
+    protected final @NotNull Map<String, LoreContent> insertLore = new HashMap<>();
+
+    protected @NotNull BiConsumer<ItemStack, Player> itemModifier;
+    protected @NotNull BiConsumer<ItemMeta, Player> metaModifier;
+
+    protected ItemModifier(@NotNull Function<@NotNull Player, @Nullable ItemStack> itemProvider) {
+        this.itemProvider = itemProvider;
+        this.params = new String[0];
+        this.values = new Object[0];
+        itemModifier = (item, player) -> {
+        };
+        metaModifier = (meta, player) -> {
+        };
+    }
+
+    public abstract @NotNull S getThis();
+
+    public abstract @Nullable R get(Player player);
+
+    public void applyTo(@Nullable ItemStack item, @Nullable Player player) {
+        if (item == null) return;
+
+        ItemMeta meta = item.getItemMeta();
+        if (meta == null) return;
+
+        Map<String, Object> finalPlaceholders = buildPlaceholders();
+
+        String name = meta.getDisplayName();
+        if (!name.isEmpty()) {
+            meta.setDisplayName(TextParser.parseText(player, name, finalPlaceholders));
+        }
+
+        List<String> parsedLore = parseLore(player, meta.getLore(), insertLore, finalPlaceholders);
+        if (!parsedLore.isEmpty()) {
+            meta.setLore(parsedLore);
+        }
+
+        metaModifier.accept(meta, player);
+        item.setItemMeta(meta);
+        itemModifier.accept(item, player);
+    }
+
+    public S handleMeta(@NotNull BiConsumer<ItemMeta, Player> modifier) {
+        this.metaModifier = this.metaModifier.andThen(modifier);
+        return getThis();
+    }
+
+    public S handleItem(@NotNull BiConsumer<ItemStack, Player> modifier) {
+        this.itemModifier = this.itemModifier.andThen(modifier);
+        return getThis();
+    }
+
+    public S params(String[] params) {
+        this.params = params;
+        return getThis();
+    }
+
+    public S values(Object... values) {
+        this.values = values;
+        return getThis();
+    }
+
+    public S placeholders(@NotNull Map<String, Object> placeholders) {
+        this.placeholders = placeholders;
+        return getThis();
+    }
+
+    public S placeholders(@NotNull Consumer<Map<String, Object>> consumer) {
+        Map<String, Object> placeholders = new HashMap<>();
+        consumer.accept(placeholders);
+        return placeholders(placeholders);
+    }
+
+    public S insertLore(@NotNull String path, @NotNull LoreContent content) {
+        insertLore.put(path, content);
+        return getThis();
+    }
+
+    public S insertLore(@NotNull String path, @NotNull List<String> content) {
+        return insertLore(path, content, false);
+    }
+
+    public S insertLore(@NotNull String path, @NotNull List<String> content, boolean original) {
+        return insertLore(path, LoreContent.of(content, original));
+    }
+
+    public S insertLore(@NotNull String path, @NotNull String... content) {
+        return insertLore(path, Arrays.asList(content));
+    }
+
+    public S insertLore(@NotNull String path, @NotNull ConfiguredList<String> content) {
+        return insertLore(path, content.copy());
+    }
+
+    public S insertLore(@NotNull String path,
+                        @NotNull ConfiguredMessage<String> content, @NotNull Object... params) {
+        String c = content.parse(null, params);
+        if (c == null) return getThis();
+        return insertLore(path, c);
+    }
+
+    public S insertLore(@NotNull String path,
+                        @NotNull ConfiguredMessageList<String> content, @NotNull Object... params) {
+        List<String> c = content.parse(null, params);
+        if (c == null || c.isEmpty()) return getThis();
+        return insertLore(path, c);
+    }
+
+    public S amount(int amount) {
+        return handleItem((item, player) -> item.setAmount(amount));
+    }
+
+    public S addEnchantment(Enchantment e) {
+        return addEnchantment(e, 1);
+    }
+
+    public S addEnchantment(Enchantment e, int level) {
+        return addEnchantment(e, level, true);
+    }
+
+    public S addEnchantment(Enchantment e, int level, boolean ignoreLevelRestriction) {
+        return handleMeta((meta, player) -> meta.addEnchant(e, level, ignoreLevelRestriction));
+    }
+
+    public S addItemFlags(ItemFlag... flags) {
+        return handleMeta((meta, player) -> meta.addItemFlags(flags));
+    }
+
+    public S glow() {
+        return addItemFlags(ItemFlag.HIDE_ENCHANTS).addEnchantment(Enchantment.DURABILITY);
+    }
+
+    /**
+     * @param owner 玩家名
+     * @return this
+     * @deprecated Use {@link #setSkullOwner(OfflinePlayer)} instead.
+     */
+    @Deprecated
+    public S setSkullOwner(String owner) {
+        return handleItem((item, player) -> {
+            if (!(item.getItemMeta() instanceof SkullMeta)) return;
+            SkullMeta meta = (SkullMeta) item.getItemMeta();
+            meta.setOwner(owner);
+        });
+    }
+
+    public S setSkullOwner(UUID owner) {
+        return setSkullOwner(Bukkit.getOfflinePlayer(owner));
+    }
+
+    public S setSkullOwner(OfflinePlayer owner) {
+        return handleItem((item, player) -> {
+            if (!(item.getItemMeta() instanceof SkullMeta)) return;
+            SkullMeta meta = (SkullMeta) item.getItemMeta();
+            meta.setOwningPlayer(owner);
+        });
+    }
+
+
+    protected Map<String, Object> buildPlaceholders() {
+        Map<String, Object> finalPlaceholders = new HashMap<>();
+        finalPlaceholders.putAll(ParamsUtils.buildParams(params, values));
+        finalPlaceholders.putAll(this.placeholders);
+        return finalPlaceholders;
+    }
+
+    public static List<String> parseLore(@Nullable Player player, @Nullable List<String> lore,
+                                         @NotNull Map<String, LoreContent> insertedLore,
+                                         @NotNull Map<String, Object> placeholders) {
+        List<String> parsedLore = new ArrayList<>();
+        if (lore == null || lore.isEmpty()) return parsedLore;
+
+        for (String line : lore) {
+            Matcher matcher = LORE_INSERT_PATTERN.matcher(line);
+            if (!matcher.matches()) {
+                parsedLore.add(TextParser.parseText(player, line, placeholders));
+                continue;
+            }
+
+            String path = matcher.group(2);
+            LoreContent content = insertedLore.get(path);
+            if (content == null) continue;
+
+            String prefix = Optional.ofNullable(matcher.group(1))
+                    .map(s -> TextParser.parseText(player, s, placeholders))
+                    .orElse("");
+            int offset1 = Optional.ofNullable(matcher.group(3))
+                    .map(Integer::parseInt).orElse(0);
+            Integer offset2 = Optional.ofNullable(matcher.group(4))
+                    .map(Integer::parseInt).orElse(null);
+
+            List<String> inserted = parseLoreLine(
+                    player, content, placeholders, prefix,
+                    offset2 == null ? 0 : offset1, offset2 == null ? offset1 : offset2
+            );
+
+            if (content.isOriginal()) {
+                parsedLore.addAll(inserted);
+            } else {
+                parsedLore.addAll(TextParser.parseList(player, inserted, placeholders));
+            }
+        }
+        return parsedLore;
+    }
+
+    public static List<String> parseLoreLine(@Nullable Player player, @NotNull LoreContent content,
+                                             @NotNull Map<String, Object> placeholders,
+                                             @NotNull String parsedPrefix, int upOffset, int downOffset) {
+        if (content.getContent().isEmpty()) return Collections.emptyList();
+
+        upOffset = Math.max(0, upOffset);
+        downOffset = Math.max(0, downOffset);
+
+        List<String> finalLore = new ArrayList<>();
+
+        for (int i = 0; i < upOffset; i++) finalLore.add(" ");
+        if (content.isOriginal()) {
+            content.getContent().stream().map(s -> parsedPrefix + s).forEach(finalLore::add);
+        } else {
+            content.getContent().stream().map(s -> parsedPrefix + TextParser.parseText(player, s, placeholders))
+                    .forEach(finalLore::add);
+        }
+        for (int i = 0; i < downOffset; i++) finalLore.add(" ");
+
+        return finalLore;
+    }
+}