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pjfanning pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/poi.git
The following commit(s) were added to refs/heads/trunk by this push:
new d0d23e1c80 Optimize getEntry performance in
ZipInputStreamZipEntrySource using O(1) case-insensitive lookups (#1144)
d0d23e1c80 is described below
commit d0d23e1c8033f25a1999c5f31c5e81d6a1fb2ce5
Author: KALI 834X <[email protected]>
AuthorDate: Mon Jun 15 14:30:55 2026 +0530
Optimize getEntry performance in ZipInputStreamZipEntrySource using O(1)
case-insensitive lookups (#1144)
Fixes inconsistent entry lookup behavior in ZipInputStreamZipEntrySource
and eliminates an unnecessary O(N) fallback scan
Co-authored-by: “sahvx655-wq” <“[email protected]”>
---
.../poi/openxml4j/util/ZipInputStreamZipEntrySource.java | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git
a/poi-ooxml/src/main/java/org/apache/poi/openxml4j/util/ZipInputStreamZipEntrySource.java
b/poi-ooxml/src/main/java/org/apache/poi/openxml4j/util/ZipInputStreamZipEntrySource.java
index d036906ad2..71be7d3868 100644
---
a/poi-ooxml/src/main/java/org/apache/poi/openxml4j/util/ZipInputStreamZipEntrySource.java
+++
b/poi-ooxml/src/main/java/org/apache/poi/openxml4j/util/ZipInputStreamZipEntrySource.java
@@ -164,17 +164,6 @@ public class ZipInputStreamZipEntrySource implements
ZipEntrySource {
@Override
public ZipArchiveEntry getEntry(final String path) {
final String normalizedPath = IOUtils.normalizePath(path);
- final ZipArchiveEntry ze = zipEntries.get(normalizedPath);
- if (ze != null) {
- return ze;
- }
-
- for (final Map.Entry<String, ZipArchiveFakeEntry> fze :
zipEntries.entrySet()) {
- if (StringUtil.equalsIgnoreCase(normalizedPath,
IOUtils.normalizePath(fze.getKey()))) {
- return fze.getValue();
- }
- }
-
- return null;
+ return zipEntries.get(normalizedPath.toLowerCase(Locale.ROOT));
}
}
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