Example usage for io.netty.channel DefaultFileRegion DefaultFileRegion

Introduction

In this page you can find the example usage for io.netty.channel DefaultFileRegion DefaultFileRegion.

Prototype

public DefaultFileRegion(File f, long position, long count) 

Source Link

Document

Create a new instance using the given File .

Usage

From source file:alluxio.network.protocol.databuffer.DataFileChannel.java

License:Apache License

@Override
public Object getNettyOutput() {
    return new DefaultFileRegion(mFileChannel, mOffset, mLength);
}

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From source file:bean.lee.demo.netty.learn.http.file.HttpStaticFileServerHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    // ????//from   w w w.ja v  a  2  s. co m
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);
        return;
    }

    // ?get
    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }

    // uri??
    final String uri = request.getUri();
    final String path = sanitizeUri(uri);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    // ??
    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    //?
    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            sendListing(ctx, file);
        } else {
            sendRedirect(ctx, uri + '/');
        }
        return;
    }

    //?
    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    // Cache Validation
    String ifModifiedSince = request.headers().get(IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);

        // Only compare up to the second because the datetime format we send
        // to the client
        // does not have milliseconds
        long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
        long fileLastModifiedSeconds = file.lastModified() / 1000;
        if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
            sendNotModified(ctx);
            return;
        }
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException fnfe) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file);
    if (isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

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

    // Write the content.
    ChannelFuture sendFileFuture;
    if (useSendFile) {
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());
    } else {
        sendFileFuture = ctx.write(new ChunkedFile(raf, 0, fileLength, 8192), ctx.newProgressivePromise());
    }

    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println("Transfer progress: " + progress);
            } else {
                System.err.println("Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) throws Exception {
            System.err.println("Transfer complete.");
        }
    });

    // Write the end marker
    ChannelFuture lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

    // Decide whether to close the connection or not.
    if (!isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:books.netty.protocol.file.FileServerHandler.java

License:Apache License

public void messageReceived(ChannelHandlerContext ctx, String msg) throws Exception {
    File file = new File(msg);
    if (file.exists()) {
        if (!file.isFile()) {
            ctx.writeAndFlush("Not a file : " + file + CR);
            return;
        }//ww  w  . j  av  a  2  s. co  m
        ctx.write(file + " " + file.length() + CR);
        RandomAccessFile randomAccessFile = new RandomAccessFile(msg, "r");
        FileRegion region = new DefaultFileRegion(randomAccessFile.getChannel(), 0, randomAccessFile.length());
        ctx.write(region);
        ctx.writeAndFlush(CR);
        randomAccessFile.close();
    } else {
        ctx.writeAndFlush("File not found: " + file + CR);
    }
}

---

From source file:com.addthis.hydra.query.web.HttpStaticFileHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);//from ww  w.  j a  v  a 2 s.c  o  m
        return;
    }
    // since we are using send file, we must remove the compression unit or it will donk out
    ChannelHandler compressor = ctx.pipeline().get("compressor");
    if (compressor != null) {
        ctx.pipeline().remove("compressor");
    }

    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }

    QueryStringDecoder urlDecoder = new QueryStringDecoder(request.getUri());
    String target = urlDecoder.path();

    final String path = sanitizeUri(target);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    Path file = Paths.get(webDir + path);
    log.trace("trying to serve static file {}", file);
    if (Files.isHidden(file) || Files.notExists(file)) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    if (!Files.isRegularFile(file)) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    log.trace("cache validation occuring for {}", file);
    // Cache Validation
    String ifModifiedSince = request.headers().get(IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HttpUtils.HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);

        // Only compare up to the second because the datetime format we send to the client
        // does not have milliseconds
        long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
        long fileLastModifiedSeconds = Files.getLastModifiedTime(file).toMillis() / 1000;
        if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
            sendNotModified(ctx);
            return;
        }
    }

    log.trace("sending {}", file);

    FileChannel fileChannel;
    try {
        fileChannel = FileChannel.open(file, StandardOpenOption.READ);
    } catch (IOException fnfe) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = fileChannel.size();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    try {
        setDateAndCacheHeaders(response, file);
    } catch (IOException ioex) {
        fileChannel.close();
        sendError(ctx, NOT_FOUND);
        return;
    }
    if (isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

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

    // Write the content.
    ctx.write(new DefaultFileRegion(fileChannel, 0, fileLength));

    // Write the end marker
    ChannelFuture lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

    // Decide whether to close the connection or not.
    if (!isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    } else {
        ctx.pipeline().remove(this);
        if (compressor != null) {
            ctx.pipeline().addBefore("query", "compressor", compressor);
        }
    }
}

---

From source file:com.cat.netty.file.FileServerHandler.java

License:Apache License

@Override
protected void messageReceived(ChannelHandlerContext ctx, String msg) throws Exception {
    File file = new File(msg);
    if (file.exists()) {
        if (!file.isFile()) {
            ctx.writeAndFlush("Not a file : " + file + CR);
            return;
        }//w  w w  .j ava2s . c  o m
        ctx.write(file + " " + file.length() + CR);
        RandomAccessFile randomAccessFile = new RandomAccessFile(msg, "r");
        FileRegion region = new DefaultFileRegion(randomAccessFile.getChannel(), 0, randomAccessFile.length());
        ctx.write("");
        ctx.write("1");
        ctx.write("2");
        //         ctx.write(region);
        ctx.writeAndFlush(CR);
        randomAccessFile.close();
    } else {
        ctx.writeAndFlush("File not found: " + file + CR);
    }

}

---

From source file:com.cat.study.demo.file.FileServerHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, String msg) throws Exception {
    File file = new File(msg);
    if (file.exists()) {
        if (!file.isFile()) {
            ctx.writeAndFlush("Not a file : " + file + CR);
            return;
        }// w w w.  ja v a  2s  .c  om
        ctx.write(file + " " + file.length() + CR);
        RandomAccessFile randomAccessFile = new RandomAccessFile(msg, "r");
        FileRegion region = new DefaultFileRegion(randomAccessFile.getChannel(), 0, randomAccessFile.length());
        ctx.write(region);
        ctx.writeAndFlush(CR);
        randomAccessFile.close();
    } else {
        ctx.writeAndFlush("File not found: " + file + CR);
    }

}

---

From source file:com.cats.version.httpserver.HttpStaticFileServerHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.decoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);/*from   ww  w. j a va2 s . c om*/
        return;
    }

    if (request.method() == POST) {
        new VersionProtocolMessageHandler().handleMessage(ctx, request);
        return;
    }

    if (request.method() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }

    final String uri = request.uri();
    final String path = sanitizeUri(uri);

    if (new URLServiceFilter(uri, ctx, request).doFilte()) {
        return;
    }

    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    File file = new File(path);
    if (file.isHidden() || (!file.exists() && (file = downloadSoftWare(file)) == null)) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    if (file.isDirectory()) {
        if (!HttpStaticVersionMonitorFileServer.OPEN_ACCESS) {
            sendWarningInfo(ctx);
            return;
        }

        if (uri.endsWith("/")) {
            sendListing(ctx, file);
        } else {
            sendRedirect(ctx, uri + '/');
        }
        return;
    }

    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    // Cache Validation
    String ifModifiedSince = request.headers().getAndConvert(IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);

        // Only compare up to the second because the datetime format we send to the client
        // does not have milliseconds
        long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
        long fileLastModifiedSeconds = file.lastModified() / 1000;
        if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
            sendNotModified(ctx);
            return;
        }
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    HttpHeaderUtil.setContentLength(response, fileLength);
    response.headers().set("file_flag", "yes");
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file);
    if (HttpHeaderUtil.isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaderValues.KEEP_ALIVE);
    }

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

    // Write the content.
    ChannelFuture sendFileFuture;
    ChannelFuture lastContentFuture;
    if (ctx.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());
        // Write the end marker.
        lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    } else {
        sendFileFuture = ctx.writeAndFlush(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)),
                ctx.newProgressivePromise());
        // HttpChunkedInput will write the end marker (LastHttpContent) for us.
        lastContentFuture = sendFileFuture;
    }

    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println(future.channel() + " Transfer progress: " + progress);
            } else {
                System.err.println(future.channel() + " Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) {
            System.err.println(future.channel() + " Transfer complete.");
        }
    });

    // Decide whether to close the connection or not.
    if (!HttpHeaderUtil.isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:com.cmz.http.file.HttpStaticFileServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.decoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);//from www . j av  a2  s.com
        return;
    }

    if (request.method() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }

    final String uri = request.uri();
    final String path = sanitizeUri(uri);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            sendListing(ctx, file, uri);
        } else {
            sendRedirect(ctx, uri + '/');
        }
        return;
    }

    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    // Cache Validation
    String ifModifiedSince = request.headers().get(HttpHeaderNames.IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);

        // Only compare up to the second because the datetime format we send to the client
        // does not have milliseconds
        long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
        long fileLastModifiedSeconds = file.lastModified() / 1000;
        if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
            sendNotModified(ctx);
            return;
        }
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    HttpUtil.setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file);
    if (HttpUtil.isKeepAlive(request)) {
        response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
    }

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

    // Write the content.
    ChannelFuture sendFileFuture;
    ChannelFuture lastContentFuture;
    if (ctx.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());
        // Write the end marker.
        lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    } else {
        sendFileFuture = ctx.writeAndFlush(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)),
                ctx.newProgressivePromise());
        // HttpChunkedInput will write the end marker (LastHttpContent) for us.
        lastContentFuture = sendFileFuture;
    }

    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println(future.channel() + " Transfer progress: " + progress);
            } else {
                System.err.println(future.channel() + " Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) {
            System.err.println(future.channel() + " Transfer complete.");
        }
    });

    // Decide whether to close the connection or not.
    if (!HttpUtil.isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:com.creamsugardonut.HttpStaticFileServerHandler2.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, HttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);/*from  www.j  ava2 s . c om*/
        return;
    }

    final String uri = request.getUri();
    final String path = sanitizeUri(uri);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    setContentTypeHeader(response, file);
    if (HttpHeaders.isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

    // Write the content.
    ChannelFuture sendFileFuture;
    ChannelFuture lastContentFuture;

    // Tell clients that Partial Requests are available.
    response.headers().add(HttpHeaders.Names.ACCEPT_RANGES, HttpHeaders.Values.BYTES);

    String rangeHeader = request.headers().get(HttpHeaders.Names.RANGE);
    System.out.println(HttpHeaders.Names.RANGE + " = " + rangeHeader);
    if (rangeHeader != null && rangeHeader.length() > 0) { // Partial Request
        PartialRequestInfo partialRequestInfo = getPartialRequestInfo(rangeHeader, fileLength);

        // Set Response Header
        response.headers().add(HttpHeaders.Names.CONTENT_RANGE, HttpHeaders.Values.BYTES + " "
                + partialRequestInfo.startOffset + "-" + partialRequestInfo.endOffset + "/" + fileLength);
        System.out.println(HttpHeaders.Names.CONTENT_RANGE + " : "
                + response.headers().get(HttpHeaders.Names.CONTENT_RANGE));

        HttpHeaders.setContentLength(response, partialRequestInfo.getChunkSize());
        System.out.println(HttpHeaders.Names.CONTENT_LENGTH + " : " + partialRequestInfo.getChunkSize());

        response.setStatus(HttpResponseStatus.PARTIAL_CONTENT);

        // Write Response
        ctx.write(response);
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), partialRequestInfo.getStartOffset(),
                partialRequestInfo.getChunkSize()), ctx.newProgressivePromise());
    } else {
        // Set Response Header
        HttpHeaders.setContentLength(response, fileLength);

        // Write Response
        ctx.write(response);
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());
    }

    lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println(future.channel() + " Transfer progress: " + progress);
            } else {
                System.err.println(future.channel() + " Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) {
            System.err.println(future.channel() + " Transfer complete.");
        }
    });

    // Decide whether to close the connection or not.
    if (!HttpHeaders.isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:com.e2e.management.HttpSocketHandler.java

License:Apache License

public void handleHttpFileRequest(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {

    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);/*from   w w w .  j a v  a 2  s. com*/
        return;
    }

    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }

    String uri = request.getUri();
    if (uri == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }
    if ((uri.equals("")) || (uri.equals("/"))) {
        uri = "/index.html";
    }
    final String path = sanitizeUri(uri);

    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            sendListing(ctx, file);
        } else {
            sendRedirect(ctx, uri + '/');
        }
        return;
    }

    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    // Cache Validation
    String ifModifiedSince = request.headers().get(IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);

        // Only compare up to the second because the datetime format we send to the client
        // does not have milliseconds
        long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
        long fileLastModifiedSeconds = file.lastModified() / 1000;
        if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
            sendNotModified(ctx);
            return;
        }
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    HttpHeaders.setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file);
    if (HttpHeaders.isKeepAlive(request)) {
        response.headers().set(CONNECTION, Values.KEEP_ALIVE);
    }

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

    // Write the content.
    ChannelFuture sendFileFuture;
    ChannelFuture lastContentFuture;
    if (ctx.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());
        // Write the end marker.
        lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    } else {
        sendFileFuture = ctx.write(new ChunkedFile(raf, 0, fileLength, 8192), ctx.newProgressivePromise());
        // HttpChunkedInput will write the end marker (LastHttpContent) for us.
        lastContentFuture = sendFileFuture;
    }

    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println(future.channel() + " Transfer progress: " + progress);
            } else {
                System.err.println(future.channel() + " Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) {
            System.err.println(future.channel() + " Transfer complete.");
        }
    });

    // Decide whether to close the connection or not.
    if (!HttpHeaders.isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

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