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LocaleEditor and StringToLocaleConverter do not restrict variant part through validation (SPR-8637)

This commit is contained in:
Juergen Hoeller 2011-10-20 11:53:02 +00:00
parent 0c9e3fb3bd
commit e2d9142c5a
2 changed files with 22 additions and 7 deletions
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19
org.springframework.core/src/main/java/org/springframework/util/StringUtils.java
View File

@ -665,16 +665,11 @@ public abstract class StringUtils {
* @return a corresponding <code>Locale</code> instance
*/
public static Locale parseLocaleString(String localeString) {
for (int i = 0; i < localeString.length(); i++) {
char ch = localeString.charAt(i);
if (ch != '_' && ch != ' ' && !Character.isLetterOrDigit(ch)) {
throw new IllegalArgumentException(
"Locale value \"" + localeString + "\" contains invalid characters");
}
}
String[] parts = tokenizeToStringArray(localeString, "_ ", false, false);
String language = (parts.length > 0 ? parts[0] : "");
String country = (parts.length > 1 ? parts[1] : "");
validateLocalePart(language);
validateLocalePart(country);
String variant = "";
if (parts.length >= 2) {
// There is definitely a variant, and it is everything after the country
@ -689,6 +684,16 @@ public abstract class StringUtils {
return (language.length() > 0 ? new Locale(language, country, variant) : null);
}
private static void validateLocalePart(String localePart) {
for (int i = 0; i < localePart.length(); i++) {
char ch = localePart.charAt(i);
if (ch != '_' && ch != ' ' && !Character.isLetterOrDigit(ch)) {
throw new IllegalArgumentException(
"Locale part \"" + localePart + "\" contains invalid characters");
}
}
}
/**
* Determine the RFC 3066 compliant language tag,
* as used for the HTTP "Accept-Language" header.

10
org.springframework.core/src/test/java/org/springframework/util/StringUtilsTests.java
View File

@ -566,6 +566,16 @@ public class StringUtilsTests extends TestCase {
assertNull("When given an empty Locale string, must return null.", locale);
}
/**
* <a href="http://opensource.atlassian.com/projects/spring/browse/SPR-8637">See SPR-8637</a>.
*/
public void testParseLocaleWithMultiSpecialCharactersInVariant() throws Exception {
final String variant = "proper-northern";
final String localeString = "en_GB_" + variant;
Locale locale = StringUtils.parseLocaleString(localeString);
assertEquals("Multi-valued variant portion of the Locale not extracted correctly.", variant, locale.getVariant());
}
/**
* <a href="http://opensource.atlassian.com/projects/spring/browse/SPR-3671">See SPR-3671</a>.
*/