@Bean
	@ConditionalOnMissingBean({FreeMarkerConfig.class, FreeMarkerViewResolver.class})
	public FreeMarkerConfigurer freeMarkerConfigurer() {
		PluginFreeMarkerConfigurer configurer = new PluginFreeMarkerConfigurer();
		applyProperties(configurer);
		String[] paths = this.properties.getTemplateLoaderPath();
//		paths = ArrayUtils.add(paths, WEBFTLS_PATH);
		configurer.setTemplateLoaderPaths(paths);
		
		List<WithAnnotationBeanData<FreeMarkerViewTools>> tools = SpringUtils.getBeansWithAnnotation(applicationContext, FreeMarkerViewTools.class);
		tools.forEach(t->{
			String name = t.getAnnotation().value();
			if(StringUtils.isBlank(name)){
				name = t.getBean().getClass().getSimpleName();
			}
			configurer.setFreemarkerVariable(name, t.getBean());
			logger.info("registered FreeMarkerViewTools : {}", name);
		});
		return configurer;
	}
 

/**
 * 自动检测FreeMarkerConfig
 * 
 * @return
 * @throws BeansException
 */
protected FreeMarkerConfig autodetectConfiguration() throws BeansException {
	try {
		return (FreeMarkerConfig) BeanFactoryUtils
				.beanOfTypeIncludingAncestors(getApplicationContext(),
						FreeMarkerConfig.class, true, false);
	} catch (NoSuchBeanDefinitionException ex) {
		throw new ApplicationContextException(
				"Must define a single FreeMarkerConfig bean in this web application context "
						+ "(may be inherited): FreeMarkerConfigurer is the usual implementation. "
						+ "This bean may be given any name.", ex);
	}
}
 

/**
 * Instead of returning the same bean from the application context, a {@link FreeMarkerConfig} is returned for
 * the current {@link SiteContext}.
 */
@Override
protected FreeMarkerConfig autodetectConfiguration() throws BeansException {
    SiteContext siteContext = SiteContext.getCurrent();
    if (siteContext != null) {
        return siteContext.getFreeMarkerConfig();
    } else {
        return super.autodetectConfiguration();
    }
}
 

public ObjectFactory<FreeMarkerConfig> getFreeMarkerConfig() {
    return freeMarkerConfig;
}
 

public void setFreeMarkerConfig(ObjectFactory<FreeMarkerConfig> freeMarkerConfig) {
    this.freeMarkerConfig = freeMarkerConfig;
}
 

public ObjectFactory<FreeMarkerConfig> getFreeMarkerConfig() {
    return freeMarkerConfig;
}
 

public void setFreeMarkerConfig(ObjectFactory<FreeMarkerConfig> freeMarkerConfig) {
    this.freeMarkerConfig = freeMarkerConfig;
}
 

@Required
public void setFreeMarkerConfigFactory(final ObjectFactory<FreeMarkerConfig> freeMarkerConfigFactory) {
    this.freeMarkerConfigFactory = freeMarkerConfigFactory;
}
 

public FreeMarkerConfig getFreeMarkerConfig() {
    return freeMarkerConfig;
}
 

public void setFreeMarkerConfig(FreeMarkerConfig freeMarkerConfig) {
    this.freeMarkerConfig = freeMarkerConfig;
}
 

@Required
public void setFreeMarkerConfigFactory(ObjectFactory<FreeMarkerConfig> freeMarkerConfigFactory) {
    this.freeMarkerConfigFactory = freeMarkerConfigFactory;
}
 

/**
 * Invoked on startup. Looks for a single FreeMarkerConfig bean to find the
 * relevant Configuration for this factory.
 * <p>
 * Checks that the template for the default Locale can be found: FreeMarker
 * will check non-Locale-specific templates if a locale-specific one is not
 * found.
 * 
 * @see freemarker.cache.TemplateCache#getTemplate
 */
protected void initApplicationContext() throws BeansException {
	super.initApplicationContext();

	if (getConfiguration() == null) {
		FreeMarkerConfig config = autodetectConfiguration();
		setConfiguration(config.getConfiguration());
	}
	checkTemplate();
}