From 28753ca5fe15ce2dfa6fe783b818ef5107df1b98 Mon Sep 17 00:00:00 2001
From: Rick Giles <rickgiles>
Date: Wed, 25 Dec 2002 23:27:31 +0000
Subject: [PATCH] performance improvement: avoiding charAt range checks is
 worth the cost of toCharArray

---
 src/checkstyle/com/puppycrawl/tools/checkstyle/api/Utils.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/checkstyle/com/puppycrawl/tools/checkstyle/api/Utils.java b/src/checkstyle/com/puppycrawl/tools/checkstyle/api/Utils.java
index 6472174dd..0c0d439e7 100644
--- a/src/checkstyle/com/puppycrawl/tools/checkstyle/api/Utils.java
+++ b/src/checkstyle/com/puppycrawl/tools/checkstyle/api/Utils.java
@@ -101,8 +101,9 @@ public final class Utils
                                          int aTabWidth)
     {
         int len = 0;
+        final char[] chars = aString.toCharArray();
         for (int idx = 0; idx < aToIdx; idx++) {
-            if (aString.charAt(idx) == '\t') {
+            if (chars[idx] == '\t') {
                 len = (len / aTabWidth + 1) * aTabWidth;
             }
             else {