/**
* Returns the locale formatted as language-region. If region is not set, language is returned. If
* language is not set, empty string is returned.
*/
public String toLocaleId() {
// Return lang-reg only if both lang and reg are present. Else return
// lang.
return hasLanguage() && hasRegion()
? language.getValue() + "-" + region.getValue()
: hasLanguage() ? language.getValue() : "";
}
@Override
public String toString() {
return Objects.toStringHelper(this)
.omitNullValues()
.addValue(language.getValue())
.addValue(region.getValue())
.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((language == null) ? 0 : language.hashCode());
result = prime * result + ((region == null) ? 0 : region.hashCode());
return result;
}
/**
* Constructs a new {@linkplain Locale} matching a given language in a given locale.
*
* @param language the language
* @param region the region
*/
private Locale(@NonNull LanguageQualifier language, @NonNull RegionQualifier region) {
if (language.getValue().equals(FAKE_LANG_VALUE)) {
language = ANY_LANGUAGE;
}
if (region.getValue().equals(FAKE_REGION_VALUE)) {
region = ANY_REGION;
}
this.language = language;
this.region = region;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
Locale other = (Locale) obj;
if (language == null) {
if (other.language != null) return false;
} else if (!language.equals(other.language)) return false;
if (region == null) {
if (other.region != null) return false;
} else if (!region.equals(other.region)) return false;
return true;
}
/**
* Returns a flag image to use for this locale
*
* @return a flag image, or a default globe icon
*/
@NonNull
public Image getFlagImage() {
Image image = null;
String languageCode = hasLanguage() ? language.getValue() : null;
String regionCode = hasRegion() ? region.getValue() : null;
if (languageCode == null && regionCode == null) {
return FlagManager.getGlobeIcon();
} else {
FlagManager icons = FlagManager.get();
image = icons.getFlag(languageCode, regionCode);
if (image == null) {
image = FlagManager.getEmptyIcon();
}
return image;
}
}