HttpStaticFileServerHandler.java 文件源码

public static void beginHTTPResponse(ChannelHandlerContext ctx, FullHttpRequest request, long lastModified,
        String path, long fileLength) {
    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    HttpUtil.setContentLength(response, fileLength);
    setContentTypeHeader(response, path);

    response.headers().set(HttpHeaderNames.TRANSFER_ENCODING, HttpHeaderValues.CHUNKED);

    setDateAndCacheHeaders(response, lastModified);
    if (HttpUtil.isKeepAlive(request)) {
        response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
    }

    // Write the initial line and the header.
    ctx.write(response);
}