GoogleAnalyticsTag.java 文件源码

@Override
public void doTag() throws JspException, IOException {
    JspWriter out = getJspContext().getOut();
    String webPropertyId = getWebPropertyId();

    if (webPropertyId == null) {
        ServletContext sc = ((PageContext) getJspContext()).getServletContext();
        ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(sc);
        context.getAutowireCapableBeanFactory().autowireBeanProperties(this, AutowireCapableBeanFactory.AUTOWIRE_BY_NAME, false);
    }

    if (webPropertyId.equals("UA-XXXXXXX-X")) {
        LOG.warn("googleAnalytics.webPropertyId has not been overridden in a custom property file. Please set this in order to properly use the Google Analytics tag");
    }

    out.println(analytics(webPropertyId, order));
    super.doTag();
}