/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.l10n;
import java.text.MessageFormat;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import javax.faces.application.Application;
import javax.faces.context.FacesContext;
/**
* @author Nick Belaevski
*
*/
public class BundleLoader {
private ClassLoader getClassLoader() {
return Thread.currentThread().getContextClassLoader();
}
private MessageBundle asMessageBundle(Enum<?> messageKey) throws IllegalArgumentException {
MessageBundle bundleAnnotation = messageKey.getClass().getAnnotation(MessageBundle.class);
if (bundleAnnotation == null) {
throw new IllegalArgumentException(MessageFormat.format("Cannot detect baseName for enumeration {0} in class {1}",
messageKey.toString(), messageKey.getClass().getName()));
}
return bundleAnnotation;
}
public ResourceBundle getBundle(Enum<?> messageKey, Locale locale) throws MissingResourceException,
IllegalArgumentException {
MessageBundle bundleAnnotation = asMessageBundle(messageKey);
return ResourceBundle.getBundle(bundleAnnotation.baseName(), locale, getClassLoader());
}
public ResourceBundle getApplicationBundle(FacesContext facesContext, Enum<?> messageKey, Locale locale)
throws MissingResourceException {
if (facesContext == null) {
throw new MissingResourceException("FacesContext is null", getClass().getName(), messageKey.toString());
}
Application application = facesContext.getApplication();
if (application == null || application.getMessageBundle() == null) {
throw new MissingResourceException("Cannot read message bundle name from application", getClass().getName(),
messageKey.toString());
}
return ResourceBundle.getBundle(application.getMessageBundle(), locale, getClassLoader());
}
}