/*
* Copyright 2011-2014 Conventions Framework.
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.conventionsframework.producer;
import org.conventionsframework.event.LocaleChangeEvent;
import org.conventionsframework.util.ResourceBundle;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.Any;
import javax.enterprise.inject.Default;
import javax.enterprise.inject.Produces;
import javax.faces.context.FacesContext;
import javax.inject.Named;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author Rafael M. Pestano
*/
@Named
@ApplicationScoped
public class ResourceBundleProvider implements Serializable {
private static final long serialVersionUID = 1L;
private String baseName = "messages";
private String currentLanguage;
private Map<String, ResourceBundle> bundleMap = new HashMap<String, ResourceBundle>();
private Logger log = Logger.getLogger(getClass().getSimpleName());
private ResourceBundle currentBundle;
public ResourceBundleProvider() {
FacesContext context = FacesContext.getCurrentInstance();
if(context != null){
baseName = context.getExternalContext().getInitParameter("BUNDLE_BASE_NAME");
if(baseName == null){
baseName = "messages";
}
currentLanguage = context.getViewRoot().getLocale().getLanguage();
}
else{
currentLanguage = Locale.getDefault().getLanguage();
}
this.loadResourceBundle();
}
/**
* sets the currentBundle based on language
*/
private void loadResourceBundle() {
Locale locale = Locale.forLanguageTag(currentLanguage);
FacesContext context = FacesContext.getCurrentInstance();
if(context != null){
context.getViewRoot().setLocale(locale);
}
if (bundleMap.containsKey(currentLanguage)) {
currentBundle = bundleMap.get(currentLanguage);
} else {
try {
currentBundle = new ResourceBundle(baseName,locale);
bundleMap.put(currentLanguage, currentBundle);
log.fine("Conventions: loaded resource bundle:" + baseName
+ "_" + currentLanguage + ".properties");
} catch (Exception e) {
log.log(Level.SEVERE,
"Conventions: problems trying to find resource bundle:"
+ baseName + "_" + currentLanguage
+ ".properties", e);
}
}
}
public String getCurrentLocale() {
return currentLanguage;
}
public void setCurrentLocale(String locale) {
this.currentLanguage = locale;
this.loadResourceBundle();
}
@Produces
@Default
@Any
public ResourceBundle getCurrentBundle() {
return currentBundle;
}
public void setCurrentBundle(ResourceBundle currentBundle) {
this.currentBundle = currentBundle;
}
public void onLocaleChange(@Observes LocaleChangeEvent localeChangeEvent) {
this.setCurrentLocale(localeChangeEvent.getLocale());
}
public Map<String, ResourceBundle> getBundleMap() {
return bundleMap;
}
public void setBundleMap(Map<String, ResourceBundle> map) {
this.bundleMap = map;
}
public String getBaseName() {
return baseName;
}
public void setBaseName(String baseName) {
this.baseName = baseName;
}
}