Apache/poi
1
0
Fork 0
mirror of https://github.com/apache/poi.git synced 2025-02-21 17:45:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

[github-582] improve performance CodepointsUtil.iteratorFor. Thanks to Jason Mirra. This closes #582

Browse Source 
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1915572 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2024-02-03 21:06:38 +00:00
parent e455798019
commit 2469b89ee6
1 changed files with 12 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
poi/src/main/java/org/apache/poi/util/CodepointsUtil.java
View File

@ -29,9 +29,18 @@ public class CodepointsUtil {
* @see #primitiveIterator(String) a more performant iterator
*/
public static Iterator<String> iteratorFor(String text) {
return text.codePoints()
.mapToObj(codePoint -> new String(Character.toChars(codePoint)))
.iterator();
final PrimitiveIterator.OfInt iter = primitiveIterator(text);
return new Iterator<String>() {
@Override
public boolean hasNext() {
return iter.hasNext();
}
@Override
public String next() {
return new String(Character.toChars(iter.nextInt()));
}
};
}
/**