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Optimize readDir where filtering is required #5821

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Merged
tsegismont merged 1 commit into from
Nov 27, 2025
Merged

Optimize readDir where filtering is required #5821

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3 changes: 2 additions & 1 deletion src/main/java/io/vertx/core/file/impl/FileSystemImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1031,9 +1031,10 @@ public List<String> perform() {
} else {
FilenameFilter fnFilter;
if (filter != null) {
Pattern fnPattern = Pattern.compile(filter);
fnFilter = new FilenameFilter() {
public boolean accept(File dir, String name) {
return Pattern.matches(filter, name);
return fnPattern.matcher(name).matches();
}
};
} else {
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