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Reuse code already available in StringUtils 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1560756 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Benedikt Ritter 2014-01-23 17:07:46 +00:00
parent 6f5f99440e
commit 3eb4be60cf
1 changed files with 1 additions and 21 deletions
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22
src/main/java/org/apache/commons/lang3/StringUtils.java
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@ -7123,27 +7123,7 @@ public class StringUtils {
* @return A number between 0 and 4. * @return A number between 0 and 4.
*/ */
private static int commonPrefixLength(CharSequence first, CharSequence second) { private static int commonPrefixLength(CharSequence first, CharSequence second) {
String shorter; final int result = getCommonPrefix(first.toString(), second.toString()).length();
String longer;
// Determine which String is longer.
if (first.length() > second.length()) {
longer = first.toString().toLowerCase();
shorter = second.toString().toLowerCase();
} else {
longer = second.toString().toLowerCase();
shorter = first.toString().toLowerCase();
}
int result = 0;
// Iterate through the shorter string.
for (int i = 0; i < shorter.length(); i++) {
if (shorter.charAt(i) != longer.charAt(i)) {
break;
}
result++;
}
// Limit the result to 4. // Limit the result to 4.
return result > 4 ? 4 : result; return result > 4 ? 4 : result;