/*
* 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.validator;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
/**
* @author asmirnov
*
*/
public final class MessageFactory {
private MessageFactory() {
}
public static FacesMessage createMessage(FacesContext context, String messageId) {
Locale locale = getCurrentLocale(context);
String messageBundle = context.getApplication().getMessageBundle();
FacesMessage message;
try {
if (null != messageBundle) {
try {
message = getMessageFromBundle(locale, messageBundle, messageId);
} catch (MissingResourceException e) {
message = getMessageFromBundle(locale, FacesMessage.FACES_MESSAGES, messageId);
}
} else {
message = getMessageFromBundle(locale, FacesMessage.FACES_MESSAGES, messageId);
}
} catch (MissingResourceException e) {
// No bundles at all, fall back message.
return new FacesMessage("conversion error");
}
return message;
}
private static FacesMessage getMessageFromBundle(Locale locale, String messageBundle, String messageId)
throws MissingResourceException {
ResourceBundle bundle = ResourceBundle.getBundle(messageBundle, locale, getCurrentLoader(messageId));
String summary = bundle.getString(messageId);
String detail;
try {
detail = bundle.getString(messageId + "_detail");
} catch (MissingResourceException e) {
return new FacesMessage(summary);
}
return new FacesMessage(summary, detail);
}
public static Locale getCurrentLocale(FacesContext context) {
UIViewRoot viewRoot = context.getViewRoot();
Locale locale;
if (null == viewRoot) {
locale = Locale.getDefault();
} else {
locale = viewRoot.getLocale();
}
return locale;
}
private static ClassLoader getCurrentLoader(Object fallbackClass) {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
if (loader == null) {
loader = fallbackClass.getClass().getClassLoader();
}
return loader;
}
}