From 7aa00ff98bc850f67d8c40a7368538ce2f4d2312 Mon Sep 17 00:00:00 2001
From: LamGC <lam827@lamgc.net>
Date: Fri, 22 May 2020 20:34:15 +0800
Subject: [PATCH] =?UTF-8?q?[Fix]=20BotCommandProcess=20=E4=BF=AE=E5=A4=8DI?=
 =?UTF-8?q?mageStore=E4=B8=8D=E5=85=81=E8=AE=B8=E4=BD=BF=E7=94=A8=E8=BD=AF?=
 =?UTF-8?q?=E9=93=BE=E6=8E=A5=E7=9A=84=E9=97=AE=E9=A2=98;?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../net/lamgc/cgj/bot/BotCommandProcess.java    | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java b/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java
index 77d593d..1dacdbf 100644
--- a/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java
+++ b/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java
@@ -25,6 +25,7 @@ import org.slf4j.LoggerFactory;
 import java.io.File;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
 import java.text.SimpleDateFormat;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -793,11 +794,19 @@ public class BotCommandProcess {
         }
         return result;
     }
-    
+
+    /**
+     * 获取图片存储目录.
+     * <p>每次调用都会检查目录是否存在, 如不存在则会抛出异常</p>
+     * @return 返回File对象
+     * @throws RuntimeException 当目录创建失败时将包装{@link IOException}异常并抛出.
+     */
     private static File getImageStoreDir() {
-        if(!imageStoreDir.exists() && !imageStoreDir.mkdirs()) {
-            log.warn("酷Q图片缓存目录失效！(Path: {} )", imageStoreDir.getAbsolutePath());
-            throw new RuntimeException(new IOException("文件夹创建失败!"));
+        if(!imageStoreDir.exists() && !Files.isSymbolicLink(imageStoreDir.toPath())) {
+            if(!imageStoreDir.mkdirs()) {
+                log.warn("酷Q图片缓存目录失效！(Path: {} )", imageStoreDir.getAbsolutePath());
+                throw new RuntimeException(new IOException("文件夹创建失败!"));
+            }
         }
         return imageStoreDir;
     }