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:com.earasoft.framework.http.WebSocketServerHandler.java

License:Apache License

private void handleHttpRequest(ChannelHandlerContext ctx, FullHttpRequest request) {
    // Handle a bad request.
    if (!request.getDecoderResult().isSuccess()) {
        sendHttpResponse(ctx, request, new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.BAD_REQUEST));
        return;//from ww w.  j av  a  2  s. c  om
    }

    if (RouterHits.checkIfMappingExit(request)) {
        //Do Router Mapping First
        RouterHits.execute(ctx, request);
        return;
    }

    if ("/websocket".equals(request.getUri())) {
        // Handshake
        WebSocketServerHandshakerFactory wsFactory = new WebSocketServerHandshakerFactory(
                getWebSocketLocation(request), null, true);
        handshaker = wsFactory.newHandshaker(request);
        if (handshaker == null) {
            WebSocketServerHandshakerFactory.sendUnsupportedVersionResponse(ctx.channel());
        } else {
            handshaker.handshake(ctx.channel(), request);
            channels.add(ctx.channel());
        }
        return;
    }

    final String uri = request.getUri();
    //System.out.println("uri: " + uri);
    final String path = sanitizeUri("www", uri);
    //System.out.println("path: " + path);
    if (path == null) {
        sendHttpResponse(ctx, request, new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.FORBIDDEN));

        return;
    }

    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendHttpResponse(ctx, request, new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.NOT_FOUND));
        return;
    }

    if (file.isDirectory()) {
        if (uri.endsWith("/")) {

            File checkIndexFile = new File(file.getAbsolutePath() + File.separator + "index.html");

            System.out.println(checkIndexFile.exists());
            if (checkIndexFile.exists()) {
                file = checkIndexFile;
            } else {
                sendListing(ctx, file);
                return;
            }
        } else {
            sendRedirect(ctx, uri + '/');

        }
    }

    if (!file.isFile()) {
        sendHttpResponse(ctx, request, new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.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 = null;
        try {
            ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);
        } catch (ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        // 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) {
        sendHttpResponse(ctx, request, new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.NOT_FOUND));
        return;
    }
    long fileLength = 0;
    try {
        fileLength = raf.length();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    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, HttpHeaders.Values.KEEP_ALIVE);
    }

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

    // Write the content.
    ChannelFuture sendFileFuture = null;
    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 {
        try {
            sendFileFuture = ctx.writeAndFlush(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)),
                    ctx.newProgressivePromise());
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        // 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);
    }

    //        // Send the demo page and favicon.ico
    //        if ("/".equals(req.getUri()) && req.getMethod() == GET) {
    //            ByteBuf content = WebSocketServerIndexPage.getContent(getWebSocketLocation(req));
    //            FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, OK, content);
    //
    //            res.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");
    //            HttpHeaders.setContentLength(res, content.readableBytes());
    //
    //            sendHttpResponse(ctx, req, res);
    //            return;
    //        }
    //        
    //        if ("/favicon.ico".equals(req.getUri())) {
    //            FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, NOT_FOUND);
    //            sendHttpResponse(ctx, req, res);
    //            return;
    //        }

    sendHttpResponse(ctx, request, new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.FORBIDDEN));
    return;

}

---

From source file:com.flysoloing.learning.network.netty.file.FileServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, String msg) throws Exception {
    RandomAccessFile raf = null;//  w  w  w .j  a va  2s . c  o m
    long length = -1;
    try {
        raf = new RandomAccessFile(msg, "r");
        length = raf.length();
    } catch (Exception e) {
        ctx.writeAndFlush("ERR: " + e.getClass().getSimpleName() + ": " + e.getMessage() + '\n');
        return;
    } finally {
        if (length < 0 && raf != null) {
            raf.close();
        }
    }

    ctx.write("OK: " + raf.length() + '\n');
    if (ctx.pipeline().get(SslHandler.class) == null) {
        // SSL not enabled - can use zero-copy file transfer.
        ctx.write(new DefaultFileRegion(raf.getChannel(), 0, length));
    } else {
        // SSL enabled - cannot use zero-copy file transfer.
        ctx.write(new ChunkedFile(raf));
    }
    ctx.writeAndFlush("\n");
}

---

From source file:com.flysoloing.learning.network.netty.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);/* w  w w.  ja  va  2  s .  c om*/
        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() {
        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);
            }
        }

        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.github.sparkfy.network.buffer.FileSegmentManagedBuffer.java

License:Apache License

@Override
public Object convertToNetty() throws IOException {
    if (conf.lazyFileDescriptor()) {
        return new LazyFileRegion(file, offset, length);
    } else {/*from  w  ww.jav  a  2s  .  c o  m*/
        FileChannel fileChannel = new FileInputStream(file).getChannel();
        return new DefaultFileRegion(fileChannel, offset, length);
    }
}

---

From source file:com.heliosapm.tsdblite.handlers.http.HttpStaticFileServerHandler.java

License:Open Source License

private void messageReceived(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.decoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);/* w w w .ja  v  a  2s  .com*/
        return;
    }

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

    final String uri = request.uri().replace("/api/s", "/");
    final String path = uri;
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    File file = new File(staticRootDir, 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().getAsString(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(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.write(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);
    }
    ctx.flush();
}

---

From source file:com.hop.hhxx.example.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);/* w w  w .  j a v a  2 s. c  om*/
        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);
        } 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.jansegre.jwar.webapi.FileServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    request.retain();//  w ww  .j av a  2 s.  c o  m
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);
        ctx.fireChannelRead(request);
        return;
    }

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

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

    //XXX: notice hardcoded socket.io namespace
    if (uri.startsWith("/socket.io")) {
        ctx.fireChannelRead(request);
        return;
    }

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

    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            File index_file = new File(sanitizeUri(uri + INDEX_FILE));
            if (index_file.exists()) {
                file = index_file;
            } else {
                sendListing(ctx, file);
                return;
            }
        } 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:com.just.server.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 w  w  w  . j  a v a 2  s . c  om*/
        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;
        ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);

        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);
    }

    ctx.write(response);

    ChannelFuture sendFileFuture;
    ChannelFuture lastContentFuture;
    if (ctx.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());

        lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    } else {
        sendFileFuture = ctx.writeAndFlush(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)),
                ctx.newProgressivePromise());

        lastContentFuture = sendFileFuture;
    }

    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) {
                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.kalixia.ha.cloud.HttpStaticFileServerHandler.java

License:Apache License

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

    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        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.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:com.kalixia.ha.hub.HttpStaticFileServerHandler.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 a2 s.co  m*/
        return;
    }

    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        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.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
                logger.debug("Transfer progress: " + progress);
            } else {
                logger.debug("Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) throws Exception {
            logger.debug("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);
    }
}

---

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