Add logs

src/main/java/com/github/jie65535/openchat/OpenChatPlugin.java

@@ -46,7 +46,7 @@ public final class OpenChatPlugin extends Plugin {
         var configFile = new File(getDataFolder(), "config.json");
         if (!configFile.exists()) {
             config = new OpenChatConfig();
-            try (var file = new FileWriter(configFile)) {
+            try (var file = new FileWriter(configFile, StandardCharsets.UTF_8)) {
                 file.write(JsonUtils.encode(config));
             } catch (IOException e) {
                 getLogger().error("[OpenChat] Unable to write to config file.");
@@ -58,7 +58,7 @@ public final class OpenChatPlugin extends Plugin {
                 config = JsonUtils.decode(Files.readString(configFile.toPath(), StandardCharsets.UTF_8), OpenChatConfig.class);
             } catch (Exception exception) {
                 config = new OpenChatConfig();
-                getLogger().error("[OpenChat] There was an error while trying to load the configuration from config.json. Please make sure that there are no syntax errors. If you want to start with a default configuration, delete your existing config.json.");
+                getLogger().error("[OpenChat] There was an error while trying to load the configuration from config.json. Please make sure that there are no syntax errors. If you want to start with a default configuration, delete your existing config.json.", exception);
             }
         }
     }
@@ -68,7 +68,6 @@ public final class OpenChatPlugin extends Plugin {
         return data;
     }
     private void loadData() {
-        data = new OpenChatData();
         var dataFile = new File(getDataFolder(), "data.json");
         if (!dataFile.exists()) {
             data = new OpenChatData();
@@ -78,12 +77,12 @@ public final class OpenChatPlugin extends Plugin {
                 data = JsonUtils.decode(Files.readString(dataFile.toPath(), StandardCharsets.UTF_8), OpenChatData.class);
             } catch (Exception exception) {
                 data = new OpenChatData();
-                getLogger().error("[OpenChat] There was an error while trying to load the data from data.json. Please make sure that there are no syntax errors. If you want to start with a default data, delete your existing data.json.");
+                getLogger().error("[OpenChat] There was an error while trying to load the data from data.json. Please make sure that there are no syntax errors. If you want to start with a default data, delete your existing data.json.", exception);
             }
         }
     }
     public void saveData() {
-        try (var file = new FileWriter(new File(getDataFolder(), "data.json"))) {
+        try (var file = new FileWriter(new File(getDataFolder(), "data.json"), StandardCharsets.UTF_8)) {
             file.write(JsonUtils.encode(data));
         } catch (IOException e) {
             getLogger().error("[OpenChat] Unable to write to data file.");
@@ -112,6 +111,7 @@ public final class OpenChatPlugin extends Plugin {
         getHandle().registerCommand(new ChatServerCommands());
         getHandle().registerCommand(new ChatPlayerCommands());
 
+        // Set my chat system.
         getServer().setChatSystem(new OpenChatSystem(getServer(), this));
 
         // Log a plugin status message.

src/main/java/com/github/jie65535/openchat/OpenChatSystem.java

@@ -14,6 +14,8 @@ public class OpenChatSystem extends ChatSystem {
 
     @Override
     public void sendPrivateMessage(Player player, int targetUid, String message) {
+        plugin.getLogger().info(String.format("onSendPrivateMessage: player=%s(%d) targetUid=%d message=%s",
+                player.getNickname(), player.getUid(), targetUid, message));
         // Sanity checks.
         if (message == null || message.length() == 0) {
             return;
@@ -33,6 +35,7 @@ public class OpenChatSystem extends ChatSystem {
      * @param message 消息内容
      */
     private void handlePlayerMessage(Player player, String message) {
+        plugin.getLogger().info("handlePlayerMessage enter");
         if (!plugin.getConfig().serverChatEnabled) {
             return;
         }
@@ -45,6 +48,8 @@ public class OpenChatSystem extends ChatSystem {
         // 处理发言频率限制与发言内容审查
         if (!checkMessageFre(player) || !checkMessageModeration(message)) {
             // 可提示也可忽略，忽略可让玩家以为自己发送成功，其实别人看不到
+            plugin.getLogger().warn(String.format("Message blocked: player=%s(%d): \"%s\"",
+                    player.getNickname(), player.getUid(), message));
             return;
         }
         // 格式化消息
@@ -55,7 +60,7 @@ public class OpenChatSystem extends ChatSystem {
         // 转发给其它玩家
         for (Player p : getServer().getPlayers().values()) {
             // 将消息发送给除了自己以外所有未关闭聊天的玩家
-            if (p != player && plugin.getData().offChatPlayers.contains(p.getUid())) {
+            if (p != player && !plugin.getData().offChatPlayers.contains(p.getUid())) {
                 p.dropMessage(message);
             }
         }