Examples of org.springframework.web.servlet.LocaleResolver

org.springframework.web.servlet.LocaleResolver
Interface for web-based locale resolution strategies that allows for both locale resolution via the request and locale modification via request and response.
This interface allows for implementations based on request, session, cookies, etc. The default implementation is AcceptHeaderLocaleResolver, simply using the request's locale provided by the respective HTTP header.
Use RequestContext.getLocale() to retrieve the current locale in controllers or views, independent of the actual resolution strategy. @author Juergen Hoeller @since 27.02.2003 @see org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver @see org.springframework.web.servlet.support.RequestContext#getLocale

    if (this.webApplicationContext == null) {
      this.webApplicationContext = RequestContextUtils.getWebApplicationContext(request, servletContext);
    }


    // Determine locale to use for this RequestContext.
    LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
    if (localeResolver != null) {
      // Try LocaleResolver (we're within a DispatcherServlet request).
      this.locale = localeResolver.resolveLocale(request);
    }
    else {
      // No LocaleResolver available -> try fallback.
      this.locale = getFallbackLocale();
    }

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   * the plain request
   * @see #getLocaleResolver
   * @see javax.servlet.http.HttpServletRequest#getLocale()
   */
  public static Locale getLocale(HttpServletRequest request) {
    LocaleResolver localeResolver = getLocaleResolver(request);
    if (localeResolver != null) {
      return localeResolver.resolveLocale(request);
    }
    else {
      return request.getLocale();
    }
  }

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  public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
      throws ServletException {


    String newLocale = request.getParameter(this.paramName);
    if (newLocale != null) {
      LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
      if (localeResolver == null) {
        throw new IllegalStateException("No LocaleResolver found: not in a DispatcherServlet request?");
      }
      LocaleEditor localeEditor = new LocaleEditor();
      localeEditor.setAsText(newLocale);
      localeResolver.setLocale(request, response, (Locale) localeEditor.getValue());
    }
    // Proceed in any case.
    return true;
  }

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        // get plugin
        Plugin plugin = getPlugin(pluginName);
        if (plugin != null) {
            
            LocaleResolver localeResolver = (LocaleResolver) getBean("localeResolver");  
            Locale locale = localeResolver.resolveLocale(getHttpServletRequest());


            try {
                bundle = ResourceBundle.getBundle(translationPath, locale, plugin.getClass().getClassLoader());
            } catch (Exception e) {
                LogUtil.debug(PluginManager.class.getName(), translationPath + " translation file not found");

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     * Read locale from Setup
     * @param
     * @return
     */
    public static String getAppLocale() {
        LocaleResolver localeResolver = (LocaleResolver) appContext.getBean("localeResolver");
        return localeResolver.resolveLocale(WorkflowUtil.getHttpServletRequest()).toString();
    }

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    if (this.webApplicationContext == null) {
      this.webApplicationContext = RequestContextUtils.getWebApplicationContext(request, servletContext);
    }


    // Determine locale to use for this RequestContext.
    LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
    if (localeResolver != null) {
      // Try LocaleResolver (we're within a DispatcherServlet request).
      this.locale = localeResolver.resolveLocale(request);
    }
    else {
      // No LocaleResolver available -> try fallback.
      this.locale = getFallbackLocale();
    }

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            return getCustomErrorJsonResponse("connectionError");
        } catch (UnexpectedErrorException e) {
            return getCustomErrorJsonResponse("unexpectedError");
        }
        if (isAuthenticated) {
            LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
            localeResolver.setLocale(request, response, userService.getCurrentUser().getLanguage().getLocale());
            return new JsonResponse(JsonResponseStatus.SUCCESS);
        } else {
            return new JsonResponse(JsonResponseStatus.FAIL);
        }
    }

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            return new ModelAndView(AUTH_SERVICE_FAIL_URL);
        } catch (UnexpectedErrorException e) {
            return new ModelAndView(AUTH_SERVICE_FAIL_URL);
        }
        if (isAuthenticated) {
            LocaleResolver localeResolver = RequestContextUtils.getLocaleResolver(request);
            localeResolver.setLocale(request, response, userService.getCurrentUser().getLanguage().getLocale());
            return new ModelAndView("redirect:" + referer);
        } else {
            ModelAndView modelAndView = new ModelAndView(AUTH_FAIL_URL);
            modelAndView.addObject(ATTR_USERNAME, loginUserDto.getUserName());
            modelAndView.addObject(REFERER_ATTR, referer);

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    }


    protected void assignMessageSourceAndLocale(Form<T> form){
        
        final LocaleResolver localeResolver = 
                getApplicationContext().getBean(LocaleResolver.class);
        
        form.setMessageSource(getApplicationContext());
        
        if (localeResolver == null){
            
            form.setLocale(DefaultApplicationVariable.LOCALE);
            
        } else {
            
            form.setLocale(localeResolver.resolveLocale(Helper.getCurrentRequest()));
            
        }
        
    }

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    super(factory, beanAttributeRequest);
  }
  
  public ModelAndView handleRequest(final HttpServletRequest request, HttpServletResponse response) throws Exception {


    final LocaleResolver localeResolver = (LocaleResolver)request.getAttribute(LOCALE_RESOLVER_ATTRIBUTE);


        // Expose current LocaleResolver and request as LocaleContext.
        LocaleContext previousLocaleContext = LocaleContextHolder.getLocaleContext();
        
        if ( previousLocaleContext.getLocale() == null ) {
          LocaleContextHolder.setLocaleContext(new LocaleContext() {
              public Locale getLocale() {


                  return localeResolver.resolveLocale(request);
              }
          });
        }
    Transformer transformer = getTransformerFactory().getTransformer(BeanTransformer.TRANSFORMER_BEAN_ID);
    if (transformer == null)
      return null;


    View view = new SalamandraWebView(transformer, localeResolver.resolveLocale(request));
    
    return new ModelAndView(view);
  }

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