@Override
public Locale resolveLocale(HttpServletRequest request) {
Object locale = Config.get(request, Config.FMT_LOCALE);
if (locale == null) {
HttpSession session = request.getSession(false);
if (session != null) {
locale = Config.get(session, Config.FMT_LOCALE);
}
}
return (locale instanceof Locale ? (Locale) locale : null);
}
public static Locale getJstlLocale(HttpServletRequest request, ServletContext servletContext) {
Object localeObject = Config.get(request, Config.FMT_LOCALE);
if (localeObject == null) {
HttpSession session = request.getSession(false);
if (session != null) {
localeObject = Config.get(session, Config.FMT_LOCALE);
}
if (localeObject == null && servletContext != null) {
localeObject = Config.get(servletContext, Config.FMT_LOCALE);
}
}
return (localeObject instanceof Locale ? (Locale) localeObject : null);
}
public static TimeZone getJstlTimeZone(
HttpServletRequest request, ServletContext servletContext) {
Object timeZoneObject = Config.get(request, Config.FMT_TIME_ZONE);
if (timeZoneObject == null) {
HttpSession session = request.getSession(false);
if (session != null) {
timeZoneObject = Config.get(session, Config.FMT_TIME_ZONE);
}
if (timeZoneObject == null && servletContext != null) {
timeZoneObject = Config.get(servletContext, Config.FMT_TIME_ZONE);
}
}
return (timeZoneObject instanceof TimeZone ? (TimeZone) timeZoneObject : null);
}
/**
* Get the Locale for a session according to the user's language selection or language
* preferences. Order of selection - language selected via UI - language as set by application -
* language browser default
*
* @param request the request Object
* @return supportedLocale Locale supported by this DSpace Instance for this request
*/
public static Locale getSessionLocale(HttpServletRequest request) {
String paramLocale = request.getParameter("locale");
Locale sessionLocale = null;
Locale supportedLocale = null;
if (!StringUtils.isEmpty(paramLocale)) {
/* get session locale according to user selection */
sessionLocale = new Locale(paramLocale);
}
if (sessionLocale == null) {
/* get session locale set by application */
HttpSession session = request.getSession();
sessionLocale = (Locale) Config.get(session, Config.FMT_LOCALE);
}
/*
* if session not set by selection or application then default browser
* locale
*/
if (sessionLocale == null) {
sessionLocale = request.getLocale();
}
if (sessionLocale == null) {
sessionLocale = I18nUtil.DEFAULTLOCALE;
}
supportedLocale = I18nUtil.getSupportedLocale(sessionLocale);
return supportedLocale;
}
public void testJstlLocaleIsSet() throws Exception {
MockHttpServletRequest request = new MockHttpServletRequest();
request.addParameter("locale", "es");
MockHttpServletResponse response = new MockHttpServletResponse();
request.setSession(new MockHttpSession(null));
filter.doFilter(request, response, new MockFilterChain());
assertNotNull(Config.get(request.getSession(), Config.FMT_LOCALE));
}