fvaleri commented on code in PR #13562:
URL: https://github.com/apache/kafka/pull/13562#discussion_r1285005842
##########
tools/src/main/java/org/apache/kafka/tools/ToolsUtils.java:
##########
@@ -99,4 +101,26 @@ public static void prettyPrintTable(
printRow(columnLengths, headers, out);
rows.forEach(row -> printRow(columnLengths, row, out));
}
+
+ public static void validateBootstrapServer(String hostPort) throws
IllegalArgumentException {
+ if (hostPort == null || hostPort.isEmpty()) {
Review Comment:
Since Java 11 we can use `isBlank()` that also ignores white spaces.
Unfortunately, we still need to provide compatibility with Java 8, where we can
achieve the same by doing `hostPort.trim().isEmpty()`.
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