[Delete] BufferMessageEvent 移除缓冲消息事件;

[Add] BufferedMessageSender 增加缓冲消息发送器, 用于替代BufferMessageEvent;
[Change] BotCommandProcess 将Random命令中所使用的BufferMessageEvent替换成BufferedMessageSender;

src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java

@@ -8,7 +8,7 @@ import net.lamgc.cgj.bot.boot.BotGlobal;
 import net.lamgc.cgj.bot.cache.CacheStore;
 import net.lamgc.cgj.bot.cache.CacheStoreCentral;
 import net.lamgc.cgj.bot.cache.JsonRedisCacheStore;
-import net.lamgc.cgj.bot.event.BufferMessageEvent;
+import net.lamgc.cgj.bot.event.BufferedMessageSender;
 import net.lamgc.cgj.bot.sort.PreLoadDataAttribute;
 import net.lamgc.cgj.bot.sort.PreLoadDataAttributeComparator;
 import net.lamgc.cgj.pixiv.PixivDownload;
@@ -282,12 +282,12 @@ public class BotCommandProcess {
             return "参数无效, 请查看帮助信息";
         }
 
-        BufferMessageEvent event = new BufferMessageEvent();
+        BufferedMessageSender bufferedSender = new BufferedMessageSender();
         RandomRankingArtworksSender artworksSender = 
-            new RandomRankingArtworksSender(event, fromGroup, 1, 200, mode, type,
+            new RandomRankingArtworksSender(bufferedSender, fromGroup, 1, 200, mode, type,
                     PageQuality.ORIGINAL);
         artworksSender.send();
-        return event.getBufferMessage();
+        return bufferedSender.getBufferContent();
     }
 
     /**

src/main/java/net/lamgc/cgj/bot/event/BufferMessageEvent.java

@@ -1,70 +0,0 @@
-package net.lamgc.cgj.bot.event;
-
-import java.util.Objects;
-
-public class BufferMessageEvent extends MessageEvent {
-
-    private final StringBuffer buffer = new StringBuffer();
-
-    private final MessageEvent parent;
-
-    /**
-     * 以空消息空Id生成BufferMessageEvent
-     */
-    public BufferMessageEvent() {
-        super(0, 0, "");
-        parent = null;
-    }
-
-    /**
-     * 提供消息内容构造BufferMessageEvent
-     * @param message 传入的消息内容
-     */
-    public BufferMessageEvent(String message) {
-        super(0, 0, message);
-        parent = null;
-    }
-
-    /**
-     * 提供消息内容构和Id信息造BufferMessageEvent
-     * @param groupId 群组Id
-     * @param qqId 发送者Id
-     * @param message 传入的消息内容
-     */
-    public BufferMessageEvent(int groupId, int qqId, String message) {
-        super(groupId, qqId, message);
-        parent = null;
-    }
-
-    /**
-     * 使用事件构造BufferMessageEvent
-     * @param parentEvent 父级消息事件对象
-     */
-    public BufferMessageEvent(MessageEvent parentEvent) {
-        super(parentEvent.getFromGroup(), parentEvent.getFromQQ(), parentEvent.getMessage());
-        parent = parentEvent;
-    }
-
-    @Override
-    public int sendMessage(String message) {
-        buffer.append(message);
-        return 0;
-    }
-
-    /**
-     * 当提供了父级消息事件时, 本方法调用父级消息事件对象的{@code getImageUrl(String)}, 如果没有, 返回{@code null}
-     */
-    @Override
-    public String getImageUrl(String image) {
-        return Objects.isNull(this.parent) ? null : this.parent.getImageUrl(image);
-    }
-
-    /**
-     * 获取缓冲区消息内容
-     * @return 消息内容
-     */
-    public String getBufferMessage() {
-        return buffer.toString();
-    }
-
-}

src/main/java/net/lamgc/cgj/bot/event/BufferedMessageSender.java

@@ -0,0 +1,23 @@
+package net.lamgc.cgj.bot.event;
+
+import net.lamgc.cgj.bot.message.MessageSender;
+
+public class BufferedMessageSender implements MessageSender {
+
+    private final StringBuffer buffer = new StringBuffer();
+
+    @Override
+    public int sendMessage(String message) {
+        buffer.append(message);
+        return 0;
+    }
+
+    /**
+     * 从缓冲区中取出消息内容.
+     * @return 返回事件发送的消息内容.
+     */
+    public String getBufferContent() {
+        return buffer.toString();
+    }
+
+}