SafeDispatcherServlet.java 文件源码

/**
 * {@inheritDoc}
 * @throws ApplicationContextException if the DispatcherServlet does not
 * initialize properly, but the servlet attempts to process a request.
 */
@Override
public void service(final ServletRequest req, final ServletResponse resp)
    throws ServletException, IOException {
    /*
     * Since our container calls only this method and not any of the other
     * HttpServlet runtime methods, such as doDelete(), etc., delegating
     * this method is sufficient to delegate all of the methods in the
     * HttpServlet API.
     */
    if (this.initSuccess) {
        this.delegate.service(req, resp);
    } else {
        throw new ApplicationContextException("Unable to initialize application context.");
    }
}