/*
* Copyright 2004, 2005, 2006 Odysseus Software GmbH
*
* Licensed 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 de.odysseus.calyxo.struts.base;
import java.util.Locale;
import java.util.MissingResourceException;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts.Globals;
import org.apache.struts.util.MessageResources;
/**
*
* @author Christoph Beck
*/
public class StrutsI18nSupport extends de.odysseus.calyxo.base.I18nSupport {
private StrutsModuleContext module;
public StrutsI18nSupport(StrutsModuleContext module) {
this.module = module;
}
/*
* (non-Javadoc)
* @see de.odysseus.calyxo.base.I18nSupport#getLocale(javax.servlet.http.HttpServletRequest)
*/
public Locale getLocale(HttpServletRequest request) {
Locale locale =
(Locale)request.getSession().getAttribute(Globals.LOCALE_KEY);
return locale == null ? request.getLocale() : locale;
}
/*
* (non-Javadoc)
* @see de.odysseus.calyxo.base.I18nSupport#setLocale(javax.servlet.http.HttpServletRequest, java.util.Locale)
*/
public void setLocale(HttpServletRequest request, Locale locale) {
request.getSession().setAttribute(Globals.LOCALE_KEY, locale);
}
/**
* Lookup message resources in module and application scope.
*/
private MessageResources getResources(String bundle) {
if (bundle == null)
bundle = Globals.MESSAGES_KEY;
MessageResources resources = (MessageResources)module.getAttribute(bundle);
if (resources == null) {
resources = (MessageResources)module.getServletContext().getAttribute(bundle);
}
return resources;
}
/*
* (non-Javadoc)
* @see de.odysseus.calyxo.base.I18nSupport#lookupResource(java.util.Locale, java.lang.String, java.lang.String)
*/
protected String lookupResource(Locale locale, String bundle, String key) {
MessageResources resources = getResources(bundle);
if (resources == null) {
throw new MissingResourceException("No such bundle: '" + bundle + "'", bundle, null);
}
String result = resources.getMessage(locale, key);
if (resources == null) {
throw new MissingResourceException("No such resource: '" + bundle + ":" + key + "'", bundle, key);
}
return result;
}
/*
* (non-Javadoc)
* @see de.odysseus.calyxo.base.I18nSupport#lookupMessage(java.util.Locale, java.lang.String, java.lang.String, java.lang.Object[])
*/
protected String lookupMessage(Locale locale, String bundle, String key, Object[] values) {
MessageResources resources = getResources(bundle);
if (resources == null) {
throw new MissingResourceException("No such bundle: '" + bundle + "'", bundle, null);
}
String result = resources.getMessage(locale, key, values);
if (resources == null) {
throw new MissingResourceException("No such resource: '" + bundle + ":" + key + "'", bundle, key);
}
return result;
}
}