yunchipang commented on code in PR #20396:
URL: https://github.com/apache/kafka/pull/20396#discussion_r2299495289
##########
tools/src/main/java/org/apache/kafka/tools/LogCompactionTester.java:
##########
@@ -226,6 +236,56 @@ public static String peekLine(BufferedReader reader)
throws IOException {
private static final Random RANDOM = new Random();
+ private static void validateCompressionConfig(String compressionType,
Integer compressionLevel) {
+ validateCompressionType(compressionType);
+ validateCompressionLevel(compressionType, compressionLevel);
+ }
+
+ private static void validateCompressionType(String compressionType) {
Review Comment:
fixed!
##########
tools/src/main/java/org/apache/kafka/tools/LogCompactionTester.java:
##########
@@ -226,6 +236,56 @@ public static String peekLine(BufferedReader reader)
throws IOException {
private static final Random RANDOM = new Random();
+ private static void validateCompressionConfig(String compressionType,
Integer compressionLevel) {
+ validateCompressionType(compressionType);
+ validateCompressionLevel(compressionType, compressionLevel);
+ }
+
+ private static void validateCompressionType(String compressionType) {
+ Set<String> validTypes = Set.of("none", "gzip", "snappy", "lz4",
"zstd");
+ if (!validTypes.contains(compressionType.toLowerCase(Locale.ROOT))) {
+ System.err.println("Invalid compression type: " + compressionType);
+ System.err.println("Valid types: " + validTypes);
+ Exit.exit(1);
+ }
+ }
+
+ private static void validateCompressionLevel(String compressionType,
Integer compressionLevel) {
+ if (compressionLevel == null) {
+ return;
+ }
+
+ String normalizedType = compressionType.toLowerCase(Locale.ROOT);
+ switch (normalizedType) {
+ case "none":
+ case "snappy":
+ System.err.println("Compression level not supported for " +
compressionType);
+ System.err.println("Remove --compression-level option");
+ Exit.exit(1);
+ break;
+ case "gzip":
+ validateLevelRange(compressionLevel, CompressionType.GZIP,
"gzip");
+ break;
+ case "lz4":
+ validateLevelRange(compressionLevel, CompressionType.LZ4,
"lz4");
+ break;
+ case "zstd":
+ validateLevelRange(compressionLevel, CompressionType.ZSTD,
"zstd");
+ break;
+ default:
+ // This should never happen since compression type is
validated first
+ throw new IllegalStateException("Unknown compression type: " +
compressionType);
+ }
+ }
+
+ private static void validateLevelRange(int level, CompressionType type,
String typeName) {
Review Comment:
fixed!
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