/**
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work
* for additional information regarding copyright ownership.
* Jasig 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.jasig.portal.rendering.xslt;
import java.util.Collections;
import java.util.Locale;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.jasig.portal.i18n.LocaleManager;
import org.jasig.portal.user.IUserInstance;
import org.jasig.portal.user.IUserInstanceManager;
import org.jasig.portal.utils.cache.CacheKey;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
/**
* Present's the user's preferred locale as a transformer parameter
*
* @author Eric Dalquist
* @version $Revision$
*/
public class LocaleTransformerConfigurationSource extends TransformerConfigurationSourceAdapter {
protected final Logger logger = LoggerFactory.getLogger(this.getClass());
private IUserInstanceManager userInstanceManager;
@Autowired
public void setUserInstanceManager(IUserInstanceManager userInstanceManager) {
this.userInstanceManager = userInstanceManager;
}
private LocaleManager getLocaleManager(HttpServletRequest request) {
final IUserInstance userInstance = this.userInstanceManager.getUserInstance(request);
return userInstance.getLocaleManager();
}
/* (non-Javadoc)
* @see org.jasig.portal.rendering.xslt.TransformerConfigurationSource#getParameters(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
@Override
public Map<String, Object> getParameters(HttpServletRequest request, HttpServletResponse response) {
final LocaleManager localeManager = this.getLocaleManager(request);
final Locale[] locales = localeManager.getLocales();
if (locales != null && locales.length > 0 && locales[0] != null) {
final String locale = locales[0].toString();
final String xslLocale = locale.replace('_', '-');
this.logger.debug("Setting USER_LANG to {}", xslLocale);
return Collections.singletonMap("USER_LANG", (Object)xslLocale);
}
return null;
}
/* (non-Javadoc)
* @see org.jasig.portal.rendering.xslt.TransformerConfigurationSource#getCacheKey(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
@Override
public CacheKey getCacheKey(HttpServletRequest request, HttpServletResponse response) {
final LocaleManager localeManager = this.getLocaleManager(request);
final Locale[] locales = localeManager.getLocales();
if (locales != null && locales.length > 0 && locales[0] != null) {
final String locale = locales[0].toString();
final String xslLocale = locale.replace('_', '-');
return CacheKey.build(this.getClass().getName(), xslLocale);
}
return null;
}
}