dlmarion commented on code in PR #3549:
URL: https://github.com/apache/accumulo/pull/3549#discussion_r1245447110
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core/src/main/java/org/apache/accumulo/core/metadata/ValidationUtil.java:
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@@ -62,9 +62,12 @@ public static void validateRFileName(String fileName) {
public static void validateFileName(String fileName) {
Objects.requireNonNull(fileName);
- if (!fileName.matches("[\\dA-Za-z._-]+")) {
- throw new IllegalArgumentException(
- "Provided filename (" + fileName + ") contains invalid characters.");
+ for (int i = 0; i < fileName.length(); i++) {
+ final char ch = fileName.charAt(i);
+ if (!(Character.isLetterOrDigit(ch) || ch == '-' || ch == '.' || ch ==
'_')) {
+ throw new IllegalArgumentException(
+ "Provided filename (" + fileName + ") contains invalid
characters.");
+ }
Review Comment:
I would be interested in the benchmark numbers with the final implementation.
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