From 7dd0ed2e29f14d3a9f20d9c6460403e74671ebc7 Mon Sep 17 00:00:00 2001
From: Diogo Correia <me@diogotc.com>
Date: Mon, 18 Dec 2023 20:37:00 +0100
Subject: [PATCH] fix: support outdated md5 chat libs in component parser

Fixes #357
---
 .../language/parser/AdvancedComponent.java    | 34 ++++++++++++-------
 .../triton/utils/ModernComponentGetters.java  | 25 ++++++++++++++
 2 files changed, 47 insertions(+), 12 deletions(-)
 create mode 100644 core/src/main/java/com/rexcantor64/triton/utils/ModernComponentGetters.java

diff --git a/core/src/main/java/com/rexcantor64/triton/language/parser/AdvancedComponent.java b/core/src/main/java/com/rexcantor64/triton/language/parser/AdvancedComponent.java
index 3cb5a60c..0f06a0b1 100644
--- a/core/src/main/java/com/rexcantor64/triton/language/parser/AdvancedComponent.java
+++ b/core/src/main/java/com/rexcantor64/triton/language/parser/AdvancedComponent.java
@@ -2,9 +2,9 @@
 
 import com.rexcantor64.triton.Triton;
 import com.rexcantor64.triton.utils.ComponentUtils;
+import com.rexcantor64.triton.utils.ModernComponentGetters;
 import lombok.Getter;
 import lombok.val;
-import lombok.var;
 import net.md_5.bungee.api.ChatColor;
 import net.md_5.bungee.api.chat.*;
 
@@ -77,11 +77,15 @@ public static AdvancedComponent fromBaseComponent(boolean onlyText, BaseComponen
                         builder.append(uuid.toString());
                         hasHover = true;
                     }
-                    if (comp.getFontRaw() != null) {
-                        builder.append("\uE800")
-                                .append(comp.getFontRaw())
-                                .append("\uE802");
-                        hasFont = true;
+                    try {
+                        if (comp.getFontRaw() != null) {
+                            builder.append("\uE800")
+                                    .append(comp.getFontRaw())
+                                    .append("\uE802");
+                            hasFont = true;
+                        }
+                    } catch (NoSuchMethodError ignore) {
+                        // old versions of Spigot don't have getFontRaw()
                     }
                 }
             }
@@ -102,11 +106,17 @@ public static AdvancedComponent fromBaseComponent(boolean onlyText, BaseComponen
                         args.add(fromBaseComponent(false, arg));
                 advancedComponent.setTranslatableArguments(uuid.toString(), args);
             }
-            if (!onlyText && comp instanceof KeybindComponent) {
-                KeybindComponent kc = (KeybindComponent) comp;
-                builder.append("\uE700")
-                        .append(kc.getKeybind())
-                        .append("\uE700");
+            if (!onlyText) {
+                try {
+                    ModernComponentGetters.getKeybind(comp)
+                            .ifPresent(keybind -> {
+                                builder.append("\uE700")
+                                        .append(keybind)
+                                        .append("\uE700");
+                            });
+                } catch (NoClassDefFoundError ignore) {
+                    // old versions of Spigot don't have KeybindComponent
+                }
             }
             if (comp.getExtra() != null) {
                 AdvancedComponent component = fromBaseComponent(onlyText, comp.getExtra()
@@ -277,7 +287,7 @@ private List<BaseComponent> toBaseComponent(String text) {
                     component = new TextComponent("");
                     ComponentUtils.copyFormatting(previousComponent, component);
                 }
-                KeybindComponent kc = new KeybindComponent(key.toString());
+                BaseComponent kc = ModernComponentGetters.newKeybindComponent(key.toString());
                 ComponentUtils.copyFormatting(component, kc);
                 list.add(kc);
             } else {
diff --git a/core/src/main/java/com/rexcantor64/triton/utils/ModernComponentGetters.java b/core/src/main/java/com/rexcantor64/triton/utils/ModernComponentGetters.java
new file mode 100644
index 00000000..3987cb2e
--- /dev/null
+++ b/core/src/main/java/com/rexcantor64/triton/utils/ModernComponentGetters.java
@@ -0,0 +1,25 @@
+package com.rexcantor64.triton.utils;
+
+import net.md_5.bungee.api.chat.BaseComponent;
+import net.md_5.bungee.api.chat.KeybindComponent;
+
+import java.util.Optional;
+
+/**
+ * Avoid loading "modern" (as in, not 1.8.8) md_5's chat library classes on old Spigot versions.
+ * This will be removed in Triton v4 (where Adventure is used instead).
+ */
+public class ModernComponentGetters {
+
+    public static Optional<String> getKeybind(BaseComponent component) {
+        if (component instanceof KeybindComponent) {
+            return Optional.ofNullable(((KeybindComponent) component).getKeybind());
+        }
+        return Optional.empty();
+    }
+
+    public static BaseComponent newKeybindComponent(String keybind) {
+        return new KeybindComponent(keybind);
+    }
+
+}