in src/main/java/org/apache/commons/validator/FormSet.java [140:165]
public String displayKey() {
final StringBuilder results = new StringBuilder();
if (language != null && !language.isEmpty()) {
results.append("language=");
results.append(language);
}
if (country != null && !country.isEmpty()) {
if (results.length() > 0) {
results.append(", ");
}
results.append("country=");
results.append(country);
}
if (variant != null && !variant.isEmpty()) {
if (results.length() > 0) {
results.append(", ");
}
results.append("variant=");
results.append(variant);
}
if (results.length() == 0) {
results.append("default");
}
return results.toString();
}