package com.jeecms.cms.web;
import java.util.Locale;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.propertyeditors.LocaleEditor;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
import org.springframework.web.servlet.support.RequestContextUtils;
import com.jeecms.cms.entity.main.CmsSite;
/**
* 前台本地化信息拦截器
*
* @author liufang
*
*/
public class FrontLocaleInterceptor extends HandlerInterceptorAdapter {
/**
* 本地化字符串在ModelMap中的名称
*/
public static final String LOCALE = "locale";
@Override
public boolean preHandle(HttpServletRequest request,
HttpServletResponse response, Object handler)
throws ServletException {
LocaleResolver localeResolver = RequestContextUtils
.getLocaleResolver(request);
if (localeResolver == null) {
throw new IllegalStateException(
" No LocaleResolver found: not in a DispatcherServlet request? ");
}
CmsSite site = CmsUtils.getSite(request);
String newLocale = site.getLocaleFront();
LocaleEditor localeEditor = new LocaleEditor();
localeEditor.setAsText(newLocale);
localeResolver.setLocale(request, response, (Locale) localeEditor
.getValue());
// Proceed in any case.
return true;
}
@Override
public void postHandle(HttpServletRequest request,
HttpServletResponse response, Object handler,
ModelAndView modelAndView) throws Exception {
LocaleResolver localeResolver = RequestContextUtils
.getLocaleResolver(request);
if (localeResolver == null) {
throw new IllegalStateException(
"No LocaleResolver found: not in a DispatcherServlet request?");
}
if (modelAndView != null) {
modelAndView.getModelMap().addAttribute(LOCALE,
localeResolver.resolveLocale(request).toString());
}
}
}