/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.portal.application.localization;
import java.util.Collections;
import java.util.Enumeration;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import org.exoplatform.portal.application.PortalRequestContext;
/**
* @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
*/
public class HttpRequestWrapper extends HttpServletRequestWrapper {
private static final List<Locale> EMPTY_LOCALE_LIST = Collections.emptyList();
/**
* Constructs a request object wrapping the given request.
*
* @throws IllegalArgumentException if the request is null
*/
public HttpRequestWrapper(HttpServletRequest request) {
super(request);
}
/**
* Note: Keep the implementation here in sync with {@link org.exoplatform.portal.webui.application.ExoUserContext#getLocale}
*
* @return
*/
@Override
public Locale getLocale() {
if (PortalRequestContext.getCurrentInstance() != null)
return getRequest().getLocale();
Locale current = LocalizationFilter.getCurrentLocale();
if (current != null)
return current;
return getRequest().getLocale();
}
@Override
public Enumeration getLocales() {
Locale current = LocalizationFilter.getCurrentLocale();
if (PortalRequestContext.getCurrentInstance() != null || current == null)
return getRequest().getLocales();
Locale loc = getLocale();
if (loc == null) {
return Collections.enumeration(EMPTY_LOCALE_LIST);
} else {
LinkedList<Locale> locs = new LinkedList<Locale>();
locs.add(loc);
Enumeration<Locale> clientLocs = (Enumeration<Locale>) getRequest().getLocales();
while (clientLocs.hasMoreElements()) {
current = clientLocs.nextElement();
if (current.getLanguage().equals(loc.getLanguage()) && current.getCountry().equals(loc.getCountry()))
continue;
locs.add(current);
}
return Collections.enumeration(locs);
}
}
}