StaticServlet.java 文件源码

@Override
protected void doGet(
        final HttpServletRequest req,
        final HttpServletResponse resp
) throws ServletException, IOException {
    for (final StaticResourceResolver resolver : staticResourceResolvers) {
        final StaticResourceResolver.ResolvedResource resource = resolver.resolve(req.getPathInfo());
        if (resource == null) {
            continue;
        }
        resp.setContentType(resource.getContentType());
        try {
            resource.getContent(resp.getOutputStream());
        }catch(final IOException e) {
            LOG.error("I/O error serving static resource", e);
            resp.setStatus(500);
        }
        return;
    }
    resp.setStatus(404);
}