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try {
ftpClient.connect(server, port);
ftpClient.login(user, pass);
ftpClient.enterLocalPassiveMode();
ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
String fileName = "multivatdqreport.xlsx"; // FileName
String remoteFile = fileName;
File downloadFile = new File(fileName);
OutputStream outputStream = new BufferedOutputStream(new FileOutputStream(downloadFile));
Boolean success=ftpClient.retrieveFile(remoteFile,outputStream);
ByteArrayOutputStream bytexl= new ByteArrayOutputStream();
if (success) {
System.out.println("file has been downloaded successfully.");
bytexl.writeTo(outputStream);
outputStream.flush();
outputStream.close();
}
else {
System.out.println("file failed to download!");
}
bytexl.close();
return new ByteArrayInputStream(bytexl.toByteArray());
// System.out.println("Downloading file...");
// boolean success = ftpClient.retrieveFile(remoteFile, outputStream);
//
//
}
catch (IOException ex) {
System.out.println("Error: " + ex.getMessage());
ex.printStackTrace();
return null;
} finally {
try {
if (ftpClient.isConnected()) {
ftpClient.logout();
ftpClient.disconnect();
return null;
}
} catch (IOException ex) {
ex.printStackTrace();
return null;
}
}
|
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