PortletPreferencesImpl.java 文件源码

/**
 * Stores the portlet preferences to a persistent storage. If a preferences
 * validator is defined for this portlet, this method firstly validates the
 * portlet preferences.
 * <p>
 * This method is invoked internally, thus it does not check the portlet
 * request method ID (METHOD_RENDER or METHOD_ACTION).
 * </p>
 * @throws ValidatorException  if the portlet preferences are not valid.
 * @throws IOException  if an error occurs with the persistence mechanism.
 */
protected final void internalStore() throws IOException, ValidatorException {
    // Validate the preferences before storing, if a validator is defined.
    //   If the preferences cannot pass the validation,
    //   an ValidatorException will be thrown out.
    PortletDefinition portletD = window.getPortletDefinition();
    PreferencesValidator validator = preferencesService.getPreferencesValidator(portletD);
    if (validator != null)
    {
        validator.validate(this);
    }
    // Store the portlet preferences.
    try {
        preferencesService.store(window, request, preferences);
    } catch (PortletContainerException ex) {
        LOG.error("Error storing preferences.", ex);
        throw new IOException("Error storing perferences: " + ex.getMessage());
    }
}