How to use

getConfiguration

method

in

org.springframework.web.reactive.result.view.freemarker.FreeMarkerView

/**
 * Obtain the FreeMarker configuration for actual use.
 * @return the FreeMarker configuration (never {@code null})
 * @throws IllegalStateException in case of no Configuration object set
 * @since 5.0
 */
protected Configuration obtainConfiguration() {
  Configuration configuration = getConfiguration();
  Assert.state(configuration != null, "No Configuration set");
  return configuration;
}

@Override
public void afterPropertiesSet() throws Exception {
  super.afterPropertiesSet();
  if (getConfiguration() == null) {
    FreeMarkerConfig config = autodetectConfiguration();
    setConfiguration(config.getConfiguration());
  }
}

/**
 * Retrieve the FreeMarker template for the given locale,
 * to be rendering by this view.
 * <p>By default, the template specified by the "url" bean property
 * will be retrieved.
 * @param locale the current locale
 * @return the FreeMarker template to render
 */
protected Template getTemplate(Locale locale) throws IOException {
  return (getEncoding() != null ?
      getConfiguration().getTemplate(getUrl(), locale, getEncoding()) :
      getConfiguration().getTemplate(getUrl(), locale));
}

/**
 * Return the configured FreeMarker {@link ObjectWrapper}, or the
 * {@link ObjectWrapper#DEFAULT_WRAPPER default wrapper} if none specified.
 * @see freemarker.template.Configuration#getObjectWrapper()
 */
protected ObjectWrapper getObjectWrapper() {
  ObjectWrapper ow = getConfiguration().getObjectWrapper();
  Version version = Configuration.DEFAULT_INCOMPATIBLE_IMPROVEMENTS;
  return (ow != null ? ow : new DefaultObjectWrapperBuilder(version).build());
}

@Override
public void afterPropertiesSet() throws Exception {
  super.afterPropertiesSet();
  if (getConfiguration() == null) {
    FreeMarkerConfig config = autodetectConfiguration();
    setConfiguration(config.getConfiguration());
  }
}