perf: 优化下载文件时候先用临时名，完成后再改成文件名

src/main/java/com/xydl/cac/iec/IecClient.java

@@ -11,6 +11,7 @@ import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.util.CollectionUtils;
 
+import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -168,11 +169,14 @@ public class IecClient implements ClientEventListener {
     }
 
     public void getFile(String remotePath, String localPath, Integer todel) throws Exception {
-        GetFileAction gfa = new GetFileAction(localPath);
+        String tmpFile = localPath + ".tmp";
+        GetFileAction gfa = new GetFileAction(tmpFile);
         clientAssociation.getFile(remotePath, gfa);
         if (todel != null && todel == Constants.TRUE) {
             clientAssociation.deleteFile(remotePath);
         }
+        File file = new File(tmpFile);
+        file.renameTo(new File(localPath));
     }
 
     @Override

src/main/java/com/xydl/cac/iec/IecServerService.java

@@ -64,7 +64,7 @@ public class IecServerService {
     }
 
     public void stopServer(Integer fileId) {
-        this.onlyStopServer(fileId);
+        this.doStopServer(fileId);
         Optional<IcdFile> optional = fileRepository.findById(fileId);
         if (optional.isPresent()) {
             IcdFile icdFile = optional.get();
@@ -73,7 +73,7 @@ public class IecServerService {
         }
     }
 
-    private void onlyStopServer(Integer fileId) {
+    private void doStopServer(Integer fileId) {
         IecServer iecServer = StaticVariable.iecServerMap.get(fileId);
         if (iecServer != null) {
             iecServer.stop();
@@ -87,7 +87,7 @@ public class IecServerService {
         Iterator<Integer> it = StaticVariable.iecServerMap.keySet().iterator();
         while (it.hasNext()) {
             Integer key = it.next();
-            this.onlyStopServer(key);
+            this.doStopServer(key);
         }
     }
 

src/main/java/com/xydl/cac/util/SFTPTool.java

@@ -55,7 +55,10 @@ public class SFTPTool {
     }
 
     public void download(String remoteFileName, String localFilePath) throws Exception {
-        sftp.get(remoteFileName, new FileOutputStream(localFilePath));
+        String tmpFile = localFilePath + ".tmp";
+        sftp.get(remoteFileName, new FileOutputStream(tmpFile));
+        File file = new File(tmpFile);
+        file.renameTo(new File(localFilePath));
     }
 
     public void delete(String remoteFileName) throws SftpException {