TyrantLucifer commented on code in PR #2483:
URL:
https://github.com/apache/incubator-seatunnel/pull/2483#discussion_r950812133
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seatunnel-connectors-v2/connector-file/connector-file-ftp/src/main/java/org/apache/seatunnel/connectors/seatunnel/file/sink/ftp/util/FtpFileUtils.java:
##########
@@ -33,37 +34,45 @@
public class FtpFileUtils {
private static final Logger LOGGER =
LoggerFactory.getLogger(FtpFileUtils.class);
- public static FTPClient FTPCLIENT;
+ public static FTPClient FTPCLIENT;
public static String FTP_PASSWORD;
public static String FTP_USERNAME;
public static String FTP_HOST;
public static Integer FTP_PORT;
public static final int FTP_CONNECT_MAX_TIMEOUT = 30000;
public static FTPClient getFTPClient(){
- return getFTPClient(FTP_HOST, FTP_PORT, FTP_USERNAME, FTP_PASSWORD);
+ if (StringUtils.isBlank(FTP_HOST) || StringUtils.isBlank(FTP_USERNAME)
|| StringUtils.isBlank(FTP_PASSWORD) ||
StringUtils.isBlank(FTP_PORT.toString())) {
Review Comment:
Because your `FTP_PASSWORD` is public, so everyone can change this attribute
to `NULL`. So it's possibly return null for your code. And I think use these
four attributes to judge FTPCLIENT is or not existed not suitable. You should
ensure that your singleton pattern is globally thread-safe.
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