StateAwareResponseImpl.java 文件源码

public void setPortletMode(PortletMode portletMode)
      throws PortletModeException {
   ArgumentUtility.validateNotNull("portletMode", portletMode);
   if (isPortletModeAllowed(portletMode)) {
      checkSetStateChanged();
      responseContext.setPortletMode(portletMode);
   } else {
      throw new PortletModeException("Can't set this PortletMode",
            portletMode);
   }
}