Example usage for io.netty.handler.stream ChunkedFile close

Introduction

In this page you can find the example usage for io.netty.handler.stream ChunkedFile close.

Prototype

@Override
    public void close() throws Exception 

Source Link

Usage

From source file:org.glowroot.agent.plugin.netty.Http1ServerHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof HttpRequest) {
        HttpRequest request = (HttpRequest) msg;
        @SuppressWarnings("deprecation")
        String uri = request.getUri();
        if (uri.equals("/exception")) {
            throw new Exception("Test");
        }//from   w  w w  .  ja v  a 2s  .c  om
        if (uri.equals("/chunked")) {
            HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
            response.headers().set("transfer-encoding", "chunked");
            response.headers().set("content-type", "text/plain");
            ctx.write(response);
            final File file = File.createTempFile("glowroot-netty-plugin-it-", ".txt");
            final ChunkedFile chunkedFile = new ChunkedFile(file);
            Files.write(CONTENT, file);
            ctx.write(chunkedFile).addListener(ChannelFutureListener.CLOSE)
                    .addListener(new GenericFutureListener<Future<Void>>() {
                        @Override
                        public void operationComplete(Future<Void> arg0) throws Exception {
                            chunkedFile.close();
                            if (!file.delete()) {
                                throw new IllegalStateException("Could not delete file: " + file.getPath());
                            }
                        }
                    });
            return;
        }
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(CONTENT));
        response.headers().set("Content-Type", "text/plain");
        response.headers().set("Content-Length", response.content().readableBytes());
        ctx.write(response).addListener(ChannelFutureListener.CLOSE);
    }
}

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From source file:org.ratpackframework.file.internal.FileHttpTransmitter.java

License:Apache License

public boolean transmit(final File targetFile, HttpResponse response, Channel channel) {
    final RandomAccessFile raf;
    try {//ww  w  .  jav a2 s  .  com
        raf = new RandomAccessFile(targetFile, "r");
    } catch (FileNotFoundException fnfe) {
        throw new RuntimeException(fnfe);
    }

    long fileLength;
    try {
        fileLength = raf.length();
    } catch (IOException e) {
        closeQuietly(raf);
        throw new RuntimeException(e);
    }

    response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, fileLength);
    HttpHeaders.setDateHeader(response, HttpHeaders.Names.LAST_MODIFIED, new Date(targetFile.lastModified()));

    // Write the initial line and the header.
    if (!channel.isOpen()) {
        closeQuietly(raf);
        return false;
    }

    try {
        channel.write(response);
    } catch (Exception e) {
        closeQuietly(raf);
    }

    // Write the content.
    ChannelFuture writeFuture;

    ChunkedFile message = null;
    try {
        message = new ChunkedFile(raf, 0, fileLength, 8192);
        writeFuture = channel.write(message);
    } catch (Exception ignore) {
        if (channel.isOpen()) {
            channel.close();
        }
        if (message != null) {
            try {
                message.close();
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
        return false;
    }

    final ChunkedFile finalMessage = message;
    writeFuture.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) {
            try {
                finalMessage.close();
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
            future.addListener(ChannelFutureListener.CLOSE);
        }
    });

    return true;
}

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