/*
* Copyright (c) 2009 QOS.ch All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package ch.qos.cal10n.util;
import ch.qos.cal10n.BaseName;
import ch.qos.cal10n.Locale;
import ch.qos.cal10n.LocaleData;
/**
*
* @author Ceki Gülcü
*
*/
public class AnnotationExtractor {
static public <E extends Enum<?>> String getBaseName(Class<E> enumClass) {
BaseName rbnAnnotation = (BaseName) enumClass.getAnnotation(BaseName.class);
if (rbnAnnotation == null) {
return null;
}
return rbnAnnotation.value();
}
static public <E extends Enum<?>> String[] getLocaleNames(Class<E> enumClass) {
Locale[] localeDataArray = getLocaleData(enumClass);
if (localeDataArray == null) {
return null;
}
String[] names = new String[localeDataArray.length];
for (int i = 0; i < localeDataArray.length; i++) {
names[i] = localeDataArray[i].value();
}
return names;
}
static public <E extends Enum<?>> Locale[] getLocaleData(Class<E> enumClass) {
LocaleData localeDataArrayAnnotation = (LocaleData) enumClass
.getAnnotation(LocaleData.class);
if (localeDataArrayAnnotation == null) {
return null;
}
return localeDataArrayAnnotation.value();
}
public static String getCharset(Class<?> enumClass,
java.util.Locale juLocale) {
LocaleData localeDataArrayAnnotation = (LocaleData) enumClass
.getAnnotation(LocaleData.class);
if (localeDataArrayAnnotation == null) {
return "";
}
String defaultCharset = localeDataArrayAnnotation.defaultCharset();
Locale la = findLocaleAnnotation(juLocale, localeDataArrayAnnotation);
String localeCharset = null;
if(la != null) {
localeCharset = la.charset();
}
if(!isEmttyString(localeCharset)) {
return localeCharset;
}
return defaultCharset;
}
static Locale findLocaleAnnotation(java.util.Locale julocale, LocaleData localeDataArrayAnnotation) {
Locale[] localeAnnotationArray = localeDataArrayAnnotation.value();
if(localeAnnotationArray == null) {
return null;
}
for(Locale la: localeAnnotationArray) {
if(la.value().equals(julocale.toString())) {
return la;
}
}
return null;
}
static boolean isEmttyString(String s) {
return s == null || s.length() == 0;
}
}