[Improve] Use isEmpty() instead of length() == 0 or size() == 0 for c…

…ollections (#3350)
apache · Nov 26, 2023 · 7b8c21c · 7b8c21c
1 parent 03f42ca
commit 7b8c21c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.../src/main/java/org/apache/streampark/flink/connector/doris/util/DorisDelimiterParser.java b/.../src/main/java/org/apache/streampark/flink/connector/doris/util/DorisDelimiterParser.java
@@ -24,7 +24,7 @@ public class DorisDelimiterParser {
   private static final String HEX_STRING = "0123456789ABCDEF";
 
   public static String parse(String sp) throws RuntimeException {
-    if (sp == null || sp.length() == 0) {
+    if (sp == null || sp.isBlank()) {
       throw new RuntimeException("Delimiter can't be empty");
     }
     if (!sp.toUpperCase().startsWith("\\X")) {