Spring/spring-framework
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

AcceptHeaderLocaleResolver keeps language match among supported locales

Browse Source 
Issue: SPR-16599
This commit is contained in:
Juergen Hoeller
2018-03-16 14:17:50 +01:00
parent 7de2650a70
commit f8588e364a
4 changed files with 44 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
spring-web/src/main/java/org/springframework/web/server/i18n/AcceptHeaderLocaleContextResolver.java
View File

@@ -100,23 +100,26 @@ public class AcceptHeaderLocaleContextResolver implements LocaleContextResolver
if (CollectionUtils.isEmpty(requestLocales)) {
return this.defaultLocale; // may be null
}
List<Locale> supported = getSupportedLocales();
if (supported.isEmpty()) {
List<Locale> supportedLocales = getSupportedLocales();
if (supportedLocales.isEmpty()) {
return requestLocales.get(0); // never null
}
Locale languageMatch = null;
for (Locale locale : requestLocales) {
if (supported.contains(locale)) {
// Full match: typically language + country
return locale;
if (supportedLocales.contains(locale)) {
if (languageMatch == null || languageMatch.getLanguage().equals(locale.getLanguage())) {
// Full match: language + country, possibly narrowed from earlier language-only match
return locale;
}
}
else if (languageMatch == null) {
// Let's try to find a language-only match as a fallback
for (Locale candidate : supported) {
for (Locale candidate : supportedLocales) {
if (!StringUtils.hasLength(candidate.getCountry()) &&
candidate.getLanguage().equals(locale.getLanguage())) {
languageMatch = candidate;
break;
}
}
}