From a9b693a0a599c66bfc36c1a000587dbc6b8dbdd5 Mon Sep 17 00:00:00 2001
From: LamGC <lam827@lamgc.net>
Date: Thu, 26 Nov 2020 23:44:50 +0800
Subject: [PATCH] =?UTF-8?q?[Change]=20Framework-API=20=E5=9C=A8=20MessageS?=
 =?UTF-8?q?ender=20=E4=B8=AD=E7=9A=84=20'uploadImage(File)'=20=E5=A2=9E?=
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MIME-Version: 1.0
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[Change] MessageSender 增加文件存在与否的检查;
---
 .../lamgc/cgj/bot/framework/message/MessageSender.java    | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSender.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSender.java
index e51f1fb..f8db272 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSender.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSender.java
@@ -20,10 +20,7 @@ package net.lamgc.cgj.bot.framework.message;
 import net.lamgc.cgj.bot.framework.Platform;
 import net.lamgc.cgj.bot.framework.message.exception.UploadImageException;
 
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
+import java.io.*;
 
 /**
  * 消息发送者.
@@ -109,6 +106,9 @@ public interface MessageSender {
      * @throws UploadImageException 如果图片上传时发生异常可抛出.
      */
     default String uploadImage(File imageFile) throws UploadImageException {
+        if (!imageFile.exists()) {
+            throw new UploadImageException(new FileNotFoundException(imageFile.getAbsolutePath()));
+        }
         try (InputStream imageInput = new FileInputStream(imageFile)) {
             return uploadImage(imageInput);
         } catch(Exception e) {