garydgregory commented on code in PR #1327:
URL: https://github.com/apache/commons-lang/pull/1327#discussion_r1873244306
##########
src/main/java/org/apache/commons/lang3/StringUtils.java:
##########
@@ -2888,17 +2876,20 @@ public static int indexOfAnyBut(final CharSequence seq,
final CharSequence searc
if (isEmpty(seq) || isEmpty(searchChars)) {
return INDEX_NOT_FOUND;
}
- final int strLen = seq.length();
- for (int i = 0; i < strLen; i++) {
- final char ch = seq.charAt(i);
- final boolean chFound = CharSequenceUtils.indexOf(searchChars, ch,
0) >= 0;
- if (i + 1 < strLen && Character.isHighSurrogate(ch)) {
- final char ch2 = seq.charAt(i + 1);
- if (chFound && CharSequenceUtils.indexOf(searchChars, ch2, 0)
< 0) {
- return i;
- }
- } else if (!chFound) {
- return i;
+ final Set<Integer> seqSetCodePoints =
seq.codePoints().boxed().collect(Collectors.toSet()); // JDK >=10:
Collectors::toUnmodifiableSet
+ final Set<Integer> searchSetCodePoints =
searchChars.codePoints().boxed()
+ .collect(Collectors.toSet()); // JDK >=10:
Collectors::toUnmodifiableSet
+ final Set<Integer> complSetCodePoints =
seqSetCodePoints.stream().filter(((Predicate<Integer>)
searchSetCodePoints::contains).negate()) // JDK >=11:
Predicate.not(searchSetCodePoints::contains)
+ .collect(Collectors.toSet()); // JDK >=10:
Collectors::toUnmodifiableSet
Review Comment:
We can't jump off of Java 8 yet. I think we'd leave too many people behind.
At least based on current surveys.
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