From 9e8c5998b35f184b9dbaa8b348d371522e46ed43 Mon Sep 17 00:00:00 2001
From: games647 <games647@users.noreply.github.com>
Date: Mon, 2 Oct 2017 09:24:10 +0200
Subject: [PATCH] Checked cast for JsonObject (Fixes #18)

---
 pom.xml                                       |  2 +-
 .../mcmmoaction/listener/MessageListener.java | 26 ++++++++++++++-----
 .../mcmmoaction/listener/PlayerListener.java  |  3 ++-
 3 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/pom.xml b/pom.xml
index 92078ce..dc540a7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
     <packaging>jar</packaging>
 
     <name>mcMMOAction</name>
-    <version>2.1.1</version>
+    <version>2.1.2</version>
     <inceptionYear>2016</inceptionYear>
     <url>https://dev.bukkit.org/bukkit-plugins/mcmmoaction/</url>
     <description>
diff --git a/src/main/java/com/github/games647/mcmmoaction/listener/MessageListener.java b/src/main/java/com/github/games647/mcmmoaction/listener/MessageListener.java
index 1722156..e9f5576 100644
--- a/src/main/java/com/github/games647/mcmmoaction/listener/MessageListener.java
+++ b/src/main/java/com/github/games647/mcmmoaction/listener/MessageListener.java
@@ -6,9 +6,11 @@
 import com.comphenix.protocol.wrappers.EnumWrappers.ChatType;
 import com.comphenix.protocol.wrappers.WrappedChatComponent;
 import com.github.games647.mcmmoaction.mcMMOAction;
+import com.google.common.base.Enums;
 import com.google.common.collect.ImmutableSet;
 import com.google.gson.Gson;
 import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 
 import java.util.Collection;
@@ -16,6 +18,7 @@
 import java.util.stream.Collectors;
 
 import net.md_5.bungee.api.chat.BaseComponent;
+import net.md_5.bungee.api.chat.HoverEvent;
 import net.md_5.bungee.chat.ComponentSerializer;
 
 import org.bukkit.entity.Player;
@@ -28,6 +31,8 @@ public class MessageListener extends PacketAdapter {
     private final Pattern pluginTagPattern = Pattern.compile(Pattern.quote("[mcMMO] "));
     private final Gson gson = new Gson();
 
+    private final boolean shouldRemoveHover;
+
     //compile the pattern just once - remove the comma so it also detect numbers like (10,000)
     private final Pattern numberRemover = Pattern.compile("[,0-9]");
 
@@ -37,6 +42,8 @@ public class MessageListener extends PacketAdapter {
     public MessageListener(mcMMOAction plugin, Collection<String> messages) {
         super(params().plugin(plugin).types(CHAT));
 
+        shouldRemoveHover = !Enums.getIfPresent(HoverEvent.Action.class, "SHOW_ENTITY").isPresent();
+
         this.plugin = plugin;
         this.localizedMessages = ImmutableSet.copyOf(messages
                 .stream()
@@ -65,12 +72,15 @@ public void onPacketSending(PacketEvent packetEvent) {
         }
 
         String json = message.getJson();
-        String cleanedJson = gson.toJson(cleanJsonFromHover(json));
-        if (cleanedJson == null) {
+        if (shouldRemoveHover) {
+            json = gson.toJson(cleanJsonFromHover(json));
+        }
+
+        if (json == null) {
             return;
         }
 
-        BaseComponent chatComponent = ComponentSerializer.parse(cleanedJson)[0];
+        BaseComponent chatComponent = ComponentSerializer.parse(json)[0];
         if (chatComponent != null && isMcMMOMessage(chatComponent.toPlainText())) {
             writeChatPosition(packet);
 
@@ -104,9 +114,13 @@ private void writeChatPosition(PacketContainer packet) {
         }
     }
 
-    private JsonObject cleanJsonFromHover(String json) {
-        JsonObject jsonComponent = gson.fromJson(json, JsonObject.class);
-        return cleanJsonFromHover(jsonComponent);
+    private JsonElement cleanJsonFromHover(String json) {
+        JsonElement jsonComponent = gson.fromJson(json, JsonElement.class);
+        if (jsonComponent instanceof JsonObject) {
+            return cleanJsonFromHover((JsonObject) jsonComponent);
+        }
+
+        return jsonComponent;
     }
 
     private JsonObject cleanJsonFromHover(JsonObject jsonComponent) {
diff --git a/src/main/java/com/github/games647/mcmmoaction/listener/PlayerListener.java b/src/main/java/com/github/games647/mcmmoaction/listener/PlayerListener.java
index 7c28217..a46fc25 100644
--- a/src/main/java/com/github/games647/mcmmoaction/listener/PlayerListener.java
+++ b/src/main/java/com/github/games647/mcmmoaction/listener/PlayerListener.java
@@ -8,6 +8,7 @@
 import org.bukkit.ChatColor;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerQuitEvent;
 
@@ -25,7 +26,7 @@ public void onPlayerQuit(PlayerQuitEvent quitEvent) {
         plugin.getActionBarDisabled().remove(player.getUniqueId());
     }
 
-    @EventHandler
+    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
     public void onExperienceGain(McMMOPlayerXpGainEvent experienceEvent) {
         Player player = experienceEvent.getPlayer();
         if (plugin.isProgressEnabled(player.getUniqueId())) {