public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
throws ServletException {
boolean result = super.preHandle(request, response, handler);
ThemeResolver themeResolver = RequestContextUtils.getThemeResolver(request);
String newTheme = themeResolver.resolveThemeName(request);
if (!validThemes.contains(newTheme)) {
// not found.
logger.error("Invalid theme passed in: " + newTheme);
try {
response.sendRedirect("accessDenied.jsp");
return false;
} catch (IOException e) {
throw new ServletException("Could not redirect to accessDenied page.", e);
}
} else if (request.getParameter(this.paramName) != null) {
// found. redirect to page without "param=.." extension.
logger.warn("New theme set: " + newTheme + ". Redirecting to login.htm");
try {
response.sendRedirect("login.htm");
} catch (IOException e) {
throw new ServletException("Could not redirect to login page.", e);
}
}
return result;
}
