Java Code Examples for javax.servlet.ServletRequest#getLocale()

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain)
    throws IOException, ServletException {
  I18n i18n = I18n.getInstance();

  // Checks if appengine is the one making the request. In this case, do nothing.
  String appEngineHeader = ((HttpServletRequest) request).getHeader("X-Appengine-Peer");
  if (appEngineHeader == null) {
    if (request.getParameter("lang") == null) {
      Locale acceptLanguage = request.getLocale();
      i18n.setLanguage(acceptLanguage.getLanguage());
      i18n.setCountry(acceptLanguage.getCountry());
    } else {
      String[] lang = request.getParameter("lang").split("-");
      String language = lang[0];
      String country = lang[1];
      i18n.setCountry(country);
      i18n.setLanguage(language);
    }
  }

  filterChain.doFilter(request, response);
}
 

/**
   * Obtains decoration name for a portlet managed mode from the portlet's resource bundle
   * as defined in PLT.8.4 of the JSR-286 spec using the key 
   * javax.portlet.app.custom-portlet-mode.<custom mode>.decoration-name where
   * custom mode is the name of the custom mode as defined in portlet.xml
   * (//portlet-app/custom-portlet-mode/portlet-mode element). If the decoration
   * name is not found in the resource bundle, this method returns the uppercased
   * mode name.
   * 
   * @param driverConfig the driver config object found in the session.
   * @param mode the portlet managed custom mode that will be searched for decoration name
   * in the resource bundle.
   * @return the decoration name for a portlet managed mode in the resource bundle
   * using the key javax.portlet.app.custom-portlet-mode.<custom mode>.decoration-name 
   * where custom mode is the name of the custom mode as defined in portlet.xml
   * (//portlet-app/custom-portlet-mode/portlet-mode element). If the decoration
   * name is not found in the resource bundle, the uppercased
   * mode name is returned.
   */
  private String getCustomModeDecorationName(DriverConfiguration driverConfig, 
  		PortletMode mode) {
  	//decoration name is mode name by default
String decorationName = mode.toString().toUpperCase();
ResourceBundle bundle;
StringBuffer res;
try {
	PortletConfig config = driverConfig.getPortletConfig(evaluatedPortletId);
	ServletRequest request = pageContext.getRequest();
	Locale defaultLocale = request.getLocale();
	bundle = config.getResourceBundle(defaultLocale);
	res = new StringBuffer();
	res.append("javax.portlet.app.custom-portlet-mode.");
	res.append(mode.toString());
	res.append(".decoration-name");
	decorationName = bundle.getString(res.toString());
} catch (Exception e) {
	LOG.debug("Problem finding decoration-name for custom mode: " + mode.toString());
}
return decorationName;
  }
 

/**
 * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)
 */
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException,
        ServletException {
    Locale locale = request.getLocale();
    AbstractMessages.setLocale(locale);
    try {
        chain.doFilter(request, response);
    } finally {
        AbstractMessages.clearLocale();
    }
}
 

/**
 * Method invoked when the start tag is encountered. This method retrieves the portlet title and print it to the
 * page.
 * 
 * @see org.apache.pluto.container.services.PortalCallbackService#setTitle(HttpServletRequest, PortletWindow, String)
 * @see org.apache.pluto.driver.services.container.PortalCallbackServiceImpl#setTitle(HttpServletRequest,
 *      PortletWindow, String)
 * 
 * @throws JspException
 */
@SuppressWarnings("unchecked")
public int doStartTag() throws JspException {

   // Ensure that the portlet title tag resides within a portlet tag.
   PortletTag parentTag = (PortletTag) TagSupport.findAncestorWithClass(this, PortletTag.class);
   if (parentTag == null) {
      throw new JspException("Portlet title tag may only reside " + "within a pluto:portlet tag.");
   }

   // Print out the portlet title to page.
   try {

      Map<String, String> titles = (Map<String, String>) pageContext.getRequest().getAttribute(AttributeKeys.PORTLET_TITLE);

      String portletId = parentTag.getEvaluatedPortletId();

      String title = null;
      if (titles != null) {
         title = titles.get(portletId);
      }

      if (title == null) {

         PortletWindowConfig windowConfig = PortletWindowConfig.fromId(portletId);

         try {
            ServletContext servletContext = pageContext.getServletContext();
            DriverConfiguration driverConfig = (DriverConfiguration) servletContext.getAttribute(AttributeKeys.DRIVER_CONFIG);
            PortletConfig config = driverConfig.getPortletConfig(portletId);
            ServletRequest request = pageContext.getRequest();
            Locale defaultLocale = request.getLocale();
            ResourceBundle bundle = config.getResourceBundle(defaultLocale);
            title = bundle.getString("javax.portlet.title");
         } catch (Throwable th) {
            if (LOG.isDebugEnabled()) {
               StringBuilder txt = new StringBuilder(128);
               txt.append("Could not obtain title for: " + windowConfig.getPortletName() + "\n");
               StringWriter sw = new StringWriter();
               PrintWriter pw = new PrintWriter(sw);
               th.printStackTrace(pw);
               pw.flush();
               txt.append(sw.toString());
               LOG.warn(txt.toString());
            }
         }

         if (title == null) {
            title = "[ " + windowConfig.getPortletName() + " ]";
         }
      }

      pageContext.getOut().print(title);
   } catch (IOException ex) {
      throw new JspException(ex);
   }
   return SKIP_BODY;
}