From d667569390b3bdbc63184f3f987aa8b695968465 Mon Sep 17 00:00:00 2001
From: wangkang <wangkangit@163.com>
Date: Wed, 31 May 2017 11:07:14 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E6=96=87=E4=BB=B6ID=E5=88=A4?=
 =?UTF-8?q?=E7=A9=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/com/egridcloud/udf/file/service/FileService.java    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/udf-starter-file/src/main/java/com/egridcloud/udf/file/service/FileService.java b/udf-starter-file/src/main/java/com/egridcloud/udf/file/service/FileService.java
index f97158d..841d3a9 100644
--- a/udf-starter-file/src/main/java/com/egridcloud/udf/file/service/FileService.java
+++ b/udf-starter-file/src/main/java/com/egridcloud/udf/file/service/FileService.java
@@ -14,6 +14,7 @@ import java.util.Date;
 import javax.activation.FileTypeMap;
 
 import org.apache.commons.codec.binary.Base64;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.FileSystemResource;
 import org.springframework.stereotype.Service;
@@ -60,6 +61,10 @@ public class FileService {
    * @throws IOException 异常
    */
   public FileInfo getFileInfo(String fileId) throws IOException {
+    //判断fileId是否为空
+    if (StringUtils.isBlank(fileId)) {
+      throw new FileException("fileId can not be empty");
+    }
     //返回对象
     FileInfo result = new FileInfo();
     result.setId(fileId);