Examples with ReadableByteChannel java.nio.channels.ReadableByteChannel used on opensource projects

Example 31 with ReadableByteChannel

use of java.nio.channels.ReadableByteChannel in project cythara by gstraube.

the class FFMPEGDownloader method downloadExecutable.

private void downloadExecutable(String saveTo) {
    try {
        URL website = new URL(url);
        ReadableByteChannel rbc = Channels.newChannel(website.openStream());
        FileOutputStream fos = new FileOutputStream(saveTo);
        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
        fos.close();
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

Example 32 with ReadableByteChannel

use of java.nio.channels.ReadableByteChannel in project BaseProject by fly803.

the class NioFileUtiles method writeToFileNio.

public static void writeToFileNio(byte[] data, File target) throws IOException {
    FileOutputStream fo = null;
    ReadableByteChannel src = null;
    FileChannel out = null;
    try {
        src = Channels.newChannel(new ByteArrayInputStream(data));
        fo = new FileOutputStream(target);
        out = fo.getChannel();
        out.transferFrom(src, 0, data.length);
    } finally {
        if (fo != null) {
            fo.close();
        }
        if (src != null) {
            src.close();
        }
        if (out != null) {
            out.close();
        }
    }
}

Example 33 with ReadableByteChannel

use of java.nio.channels.ReadableByteChannel in project incubator-ratis by apache.

the class DataStreamTestUtils method createFile.

static void createFile(File f, int size) throws Exception {
    final ReadableByteChannel source = new ReadableByteChannel() {

        private int offset = 0;

        @Override
        public boolean isOpen() {
            return offset < size;
        }

        @Override
        public void close() {
            offset = size;
        }

        @Override
        public int read(ByteBuffer dst) {
            final int start = offset;
            for (; dst.remaining() > 0 && isOpen(); offset++) {
                dst.put(pos2byte(offset));
            }
            return offset - start;
        }
    };
    FileUtils.createDirectories(f.getParentFile());
    try (FileOutputStream out = new FileOutputStream(f)) {
        final long transferred = out.getChannel().transferFrom(source, 0, size);
        Assert.assertEquals(size, transferred);
    }
}

Example 34 with ReadableByteChannel

use of java.nio.channels.ReadableByteChannel in project async-http-client by AsyncHttpClient.

the class InputStreamMultipartPart method transferContentTo.

@Override
protected long transferContentTo(WritableByteChannel target) throws IOException {
    ReadableByteChannel channel = getChannel();
    ByteBuffer buffer = getBuffer();
    int transferred = 0;
    int read = channel.read(buffer);
    if (read > 0) {
        buffer.flip();
        while (buffer.hasRemaining()) {
            transferred += target.write(buffer);
        }
        buffer.compact();
        position += transferred;
    }
    if (position == getContentLength() || read < 0) {
        state = MultipartState.POST_CONTENT;
        if (channel.isOpen()) {
            channel.close();
        }
    }
    return transferred;
}

Example 35 with ReadableByteChannel

use of java.nio.channels.ReadableByteChannel in project archi by archimatetool.

the class CanvasDNDEditPolicy method getURLDropCommand.

/**
 * Get a Command based on URL transfer
 */
private Command getURLDropCommand(DiagramDropRequest request) throws IOException, URISyntaxException {
    String s = (String) request.getData();
    if (s == null) {
        return null;
    }
    // Bug on Linux - URL is duplicated with a newline, or image info is appended after a newline
    if (PlatformUtils.isLinux()) {
        s = s.split("\n")[0];
    }
    s = s.replaceAll(" ", "%20");
    if (!isImagePath(s)) {
        return null;
    }
    File file = null;
    URL url = new URL(s);
    // Local file:/// URL for a file that exists
    if ("file".equals(url.getProtocol())) {
        file = new File(url.toURI());
    } else // Online URL that we should download to a temporary file
    {
        // Download and save to temporary file
        file = File.createTempFile("archi-", s.substring(s.lastIndexOf(".")));
        file.deleteOnExit();
        try (FileOutputStream fos = new FileOutputStream(file)) {
            try (ReadableByteChannel rbc = Channels.newChannel(url.openStream())) {
                fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
            }
        }
    }
    List<File> files = new ArrayList<>();
    if (file.exists() && file.canRead()) {
        files.add(file);
    }
    return createImageFileDropCommand(files, getDropLocation(request));
}