CatalinaValve.java 文件源码

@Override
public int invoke(Request rqst, Response rspns) throws IOException,
        ServletException {
    if (!isStarted()) {
        try {
            start();
        } catch (LifecycleException ex) {
            throw new ServletException(ex);
        }
    }
    rqst.setNote(CatalinaAdapter.REQUEST_TIME, System.currentTimeMillis());
    if (!alreadySetLogbackStatusManager) {
        alreadySetLogbackStatusManager = true;
        org.apache.catalina.Context tomcatContext = rqst.getContext();
        if (tomcatContext != null) {
            ServletContext sc = tomcatContext.getServletContext();
            if (sc != null) {
                sc.setAttribute(AccessConstants.LOGBACK_STATUS_MANAGER_KEY, ctx.getStatusManager());
            }
        }
    }

    return INVOKE_NEXT;
}