/**
* Copyright (C) 2009 eXo Platform SAS.
*
* 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.exoplatform.services.resources.impl;
import java.io.InputStream;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.exoplatform.commons.utils.PropertyManager;
import org.exoplatform.container.configuration.ConfigurationManager;
import org.exoplatform.container.xml.InitParams;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.exoplatform.services.resources.IdentityResourceBundle;
import org.exoplatform.services.resources.LocaleConfig;
import org.exoplatform.services.resources.LocaleConfigService;
import org.exoplatform.services.resources.Orientation;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* @author Benjamin Mestrallet benjamin.mestrallet@exoplatform.com This Service is used to manage the locales that the
* applications can handle
*/
public class LocaleConfigServiceImpl implements LocaleConfigService {
private static Log log = ExoLogger.getLogger(LocaleConfigServiceImpl.class);
private LocaleConfig defaultConfig_;
private Map<String, LocaleConfig> configs_;
private static final Map<String, Orientation> orientations = new HashMap<String, Orientation>();
static {
orientations.put("lt", Orientation.LT);
orientations.put("rt", Orientation.RT);
orientations.put("tl", Orientation.TL);
orientations.put("tr", Orientation.TR);
}
public LocaleConfigServiceImpl(InitParams params, ConfigurationManager cmanager) throws Exception {
configs_ = new HashMap<String, LocaleConfig>(10);
String confResource = params.getValueParam("locale.config.file").getValue();
InputStream is = cmanager.getInputStream(confResource);
parseConfiguration(is);
}
/**
* @return Return the default LocaleConfig
*/
public LocaleConfig getDefaultLocaleConfig() {
return defaultConfig_;
}
/**
* @param lang a locale language
* @return The LocalConfig
*/
public LocaleConfig getLocaleConfig(String lang) {
LocaleConfig config = configs_.get(lang);
if (config != null)
return config;
return defaultConfig_;
}
/**
* @return All the LocalConfig that manage by the service
*/
public Collection<LocaleConfig> getLocalConfigs() {
return configs_.values();
}
protected void parseConfiguration(InputStream is) throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setIgnoringComments(true);
factory.setCoalescing(true);
factory.setNamespaceAware(false);
factory.setValidating(false);
DocumentBuilder parser = factory.newDocumentBuilder();
Document document = parser.parse(is);
NodeList nodes = document.getElementsByTagName("locale-config");
for (int i = 0; i < nodes.getLength(); i++) {
Node node = nodes.item(i);
NodeList children = node.getChildNodes();
LocaleConfig config = new LocaleConfigImpl();
for (int j = 0; j < children.getLength(); j++) {
Node element = children.item(j);
if ("locale".equals(element.getNodeName())) {
config.setLocale(element.getFirstChild().getNodeValue());
} else if ("output-encoding".equals(element.getNodeName())) {
config.setOutputEncoding(element.getFirstChild().getNodeValue());
} else if ("input-encoding".equals(element.getNodeName())) {
config.setInputEncoding(element.getFirstChild().getNodeValue());
} else if ("description".equals(element.getNodeName())) {
config.setDescription(element.getFirstChild().getNodeValue());
} else if ("orientation".equals(element.getNodeName())) {
String s = element.getFirstChild().getNodeValue();
Orientation orientation = orientations.get(s);
if (orientation == null) {
log.error("Wrong orientation value " + s);
} else {
config.setOrientation(orientation);
}
}
}
//
if (config.getOrientation() == null) {
log.debug("No orientation found on the locale config, use the LT default");
config.setOrientation(Orientation.LT);
}
//
log.debug("Added locale config " + config + " to the set of locale configs");
//
String country = config.getLocale().getCountry();
if (country != null && country.length() > 0) {
configs_.put(config.getLanguage() + "_" + country, config);
} else {
configs_.put(config.getLanguage(), config);
}
if (i == 0)
defaultConfig_ = config;
}
//
if (PropertyManager.isDevelopping()) {
LocaleConfig magicConfig = new LocaleConfigImpl();
magicConfig.setLocale(IdentityResourceBundle.MAGIC_LOCALE);
magicConfig.setDescription("Magic locale");
magicConfig.setInputEncoding("UTF-8");
magicConfig.setOutputEncoding("UTF-8");
magicConfig.setDescription("Default configuration for the debugging locale");
magicConfig.setOrientation(Orientation.LT);
configs_.put(magicConfig.getLanguage(), magicConfig);
log.debug("Added magic locale for debugging bundle usage at runtime");
}
}
}