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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.StringTokenizer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
Expand Down Expand Up @@ -990,7 +991,7 @@ public static List<?> getTokens(String lst) {
public static String convertToCamelCase(String targetString, char posChar) {
StringBuilder result = new StringBuilder();
boolean nextUpper = false;
String allLower = targetString.toLowerCase();
String allLower = targetString.toLowerCase(Locale.ROOT);
for (int i = 0; i < allLower.length(); i++) {
char currentChar = allLower.charAt(i);
if (currentChar == posChar) {
Expand Down Expand Up @@ -1029,7 +1030,7 @@ public static String convertToUnderScore(String camelCase) {
if (i > 0 && Character.isUpperCase(currentChar)) {
result = result.concat("_");
}
result = result.concat(Character.toString(currentChar).toLowerCase());
result = result.concat(Character.toString(currentChar).toLowerCase(Locale.ROOT));
}
return result;
}
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,44 @@
package org.egovframe.rte.fdl.string;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import java.util.Locale;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
* 식별자 변환 메서드들이 JVM 기본 로케일과 무관하게 동작하는지 검증한다.
*
* <p>터키어·아제르바이잔어 로케일에서는 인자 없는 toUpperCase()/toLowerCase()가
* i ↔ İ(U+0130) / I ↔ ı(U+0131)로 변환한다. 같은 저장소의 CamelCaseUtil은
* Character 단위 변환을 써서 이 문제가 없다.</p>
*/
public class EgovStringUtilLocaleTest {

private void underTurkishLocale(Runnable body) {
Locale original = Locale.getDefault();
try {
Locale.setDefault(Locale.forLanguageTag("tr-TR"));
body.run();
} finally {
Locale.setDefault(original);
}
}

@Test
@DisplayName("convertToCamelCase는 로케일과 무관하게 ASCII 규칙으로 변환한다")
public void convertToCamelCaseIsLocaleIndependent() {
underTurkishLocale(() ->
assertEquals("printStatus", EgovStringUtil.convertToCamelCase("PRINT_STATUS", '_')));
assertEquals("printStatus", EgovStringUtil.convertToCamelCase("PRINT_STATUS", '_'));
}

@Test
@DisplayName("convertToUnderScore는 로케일과 무관하게 ASCII 규칙으로 변환한다")
public void convertToUnderScoreIsLocaleIndependent() {
underTurkishLocale(() ->
assertEquals("print_id", EgovStringUtil.convertToUnderScore("printId")));
assertEquals("print_id", EgovStringUtil.convertToUnderScore("printId"));
}
}