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Patch 55611 - Performance improvement in DateUtil.isADateFormat(int, String)

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1533768 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yegor Kozlov 2013-10-19 14:12:15 +00:00
parent 4243b72fc2
commit 689f027749
1 changed files with 1 additions and 1 deletions
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src/java/org/apache/poi/ss/usermodel/DateUtil.java
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@ -299,7 +299,7 @@ public class DateUtil {
* @see #isInternalDateFormat(int)
*/
public static boolean isADateFormat(int formatIndex, String formatString) {
public static synchronized boolean isADateFormat(int formatIndex, String formatString) {
if (formatString != null && formatIndex == lastFormatIndex && formatString.equals(lastFormatString)) {
return cached;