/**
* Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright ownership. Apereo
* 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 the
* following location:
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>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.apereo.portal.i18n;
import java.util.Locale;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apereo.portal.IUserPreferencesManager;
import org.apereo.portal.PortalException;
import org.apereo.portal.security.IPerson;
import org.apereo.portal.user.IUserInstance;
import org.apereo.portal.user.IUserInstanceManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.servlet.LocaleResolver;
/**
* {@link LocaleResolver} backed-up by {@link LocaleManager} for retrieving and {@link ILocaleStore}
* for locale storing locales. This allows simplified portal locale resolution if 'localeResolver'
* context attribute is instance of this class.
*
* @see LocaleManagementInterceptor
*/
public class LocaleManagerLocaleResolver implements LocaleResolver {
private IUserInstanceManager userInstanceManager;
private ILocaleStore localeStore;
@Autowired
public void setUserInstanceManager(IUserInstanceManager userInstanceManager) {
this.userInstanceManager = userInstanceManager;
}
@Autowired
public void setLocaleStore(ILocaleStore localeStore) {
this.localeStore = localeStore;
}
@Override
public Locale resolveLocale(HttpServletRequest request) {
final IUserInstance userInstance = this.userInstanceManager.getUserInstance(request);
final LocaleManager localeManager = userInstance.getLocaleManager();
Locale[] locales = localeManager.getLocales();
if (locales != null && locales.length > 0) {
return locales[0];
}
// if there was no LocaleManager was not able to determine the locale, return the locale
// specified by "accept-locale" HTTP header
return request.getLocale();
}
@Override
public void setLocale(HttpServletRequest request, HttpServletResponse response, Locale locale) {
final IUserInstance userInstance = this.userInstanceManager.getUserInstance(request);
final LocaleManager localeManager = userInstance.getLocaleManager();
localeManager.setSessionLocales(new Locale[] {locale});
// if the current user is logged in, also update the persisted user locale
final IUserInstance ui = userInstanceManager.getUserInstance(request);
final IPerson person = ui.getPerson();
if (!person.isGuest()) {
try {
localeManager.persistUserLocales(new Locale[] {locale});
localeStore.updateUserLocales(person, new Locale[] {locale});
final IUserPreferencesManager upm = ui.getPreferencesManager();
upm.getUserLayoutManager().loadUserLayout();
} catch (Exception e) {
throw new PortalException(e);
}
}
}
}