public static <T extends Enum<?>> EnumLookup<T> of(
Class<T> className, Transform<String, String> t, Map<String, T> extras) {
String name_ = className.getName();
int lastDot = name_.lastIndexOf('.');
EnumLookup<T> result = new EnumLookup<T>(name_.substring(lastDot + 1));
try {
result.transform = t = t == null ? CLEAN : t;
Method m = className.getMethod("values", (Class<?>[]) null);
@SuppressWarnings("unchecked")
T[] values = (T[]) m.invoke(null);
for (T value : values) {
result.map.put(t.transform(value.name()), value);
result.map.put(t.transform(value.toString()), value);
}
} catch (Exception e) {
throw new IllegalArgumentException(e);
}
if (extras == null) {
return result;
}
for (Entry<String, T> entry : extras.entrySet()) {
final String key = t.transform(entry.getKey());
final T newValue = entry.getValue();
final T old = result.map.get(key);
if (old == null) {
result.map.put(key, newValue);
} else if (old != newValue) {
throw new IllegalArgumentException(
"Incompatible mapping: " + key + "=" + old + "!=" + newValue);
}
}
return result;
}
/**
* Normalizes Burmese characters in specified input, detecting and converting Zawgyi encoding to
* Unicode form.
*
* @param value the string to be normalized
* @return the normalized Unicode string
*/
public static String standardizeMyanmar(String value) {
if (isZawgyiEncoded(value)) {
// Call the converter to produce a Unicode result.
return zawgyiUnicodeTransliterator.transform(value);
}
return value; // Unchanged since it was not Zawgyi.
}
public T forString(String s, boolean allowNull) {
T result = map.get(transform.transform(s));
if (!allowNull && result == null) {
throw new IllegalArgumentException(
"Can't find match for «" + s + "» in " + map.keySet() + " in " + name);
}
return result;
}
/**
* Converts Zawgyi-encoded string into Unicode equivalent.
*
* @param value the Zawgyi string to be converted
* @return the Unicode string from converstion
*/
public static String convertZawgyiToUnicode(String value) {
return zawgyiUnicodeTransliterator.transform(value);
}
