Example usage for java.nio ByteBuffer wrap

Introduction

In this page you can find the example usage for java.nio ByteBuffer wrap.

Prototype

public static ByteBuffer wrap(byte[] array)

Source Link

Document

Creates a new byte buffer by wrapping the given byte array.

Usage

From source file:com.nearinfinity.honeycomb.hbase.bulkload.FieldParser.java

private static ByteBuffer extractDate(String val, String dateFormat, String... parseFormats)
        throws ParseException {
    Date d = DateUtils.parseDateStrictly(val, parseFormats);
    SimpleDateFormat format = new SimpleDateFormat(dateFormat);
    return ByteBuffer.wrap(format.format(d).getBytes());
}

From source file:com.thoughtworks.go.server.websocket.ConsoleLogSenderTest.java

@Test
public void shouldSendConsoleLog() throws Exception {
    String expected = "Expected output for this test";
    File console = makeConsoleFile(expected);

    when(jobInstanceDao.isJobCompleted(jobIdentifier)).thenReturn(true);
    when(consoleService.doesLogExist(jobIdentifier)).thenReturn(true);
    when(consoleService.getStreamer(0L, jobIdentifier)).thenReturn(new ConsoleStreamer(console.toPath(), 0L));
    when(consoleService.getStreamer(1L, jobIdentifier)).thenReturn(new ConsoleStreamer(console.toPath(), 1L));

    consoleLogSender.process(socket, jobIdentifier, 0L);

    verify(socket)/*  w  w w . j  av a2s .  co m*/
            .send(ByteBuffer.wrap(consoleLogSender.maybeGzipIfLargeEnough((expected + '\n').getBytes(UTF_8))));
}

From source file:org.mcplissken.repository.models.content.Content.java

public void writeAsImage(File result) throws IOException {

    BufferedImage originalImage = ImageIO.read(result);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    ImageIO.write(originalImage, getExtension(), baos);

    baos.flush();/*w w  w.  ja  va  2s.c  om*/

    byte[] imageInByte = baos.toByteArray();

    data = ByteBuffer.wrap(imageInByte);

    baos.close();
}

From source file:tachyon.master.JsonObject.java

/** Deserializes a list of base64-encoded Strings as a list of ByteBuffers. */
public List<ByteBuffer> getByteBufferList(String name) {
    List<String> byteStrings = get(name, new TypeReference<List<String>>() {
    });/* w  ww.  j  a v a  2  s. co  m*/
    if (byteStrings == null) {
        return null;
    }

    List<ByteBuffer> buffers = Lists.newArrayListWithCapacity(byteStrings.size());
    for (String byteString : byteStrings) {
        buffers.add(ByteBuffer.wrap(Base64.decodeBase64(byteString)));
    }
    return buffers;
}

From source file:com.easemob.dataexport.utils.JsonUtils.java

public static ByteBuffer toByteBuffer(Object obj) {
    if (obj == null) {
        return null;
    }/*from www .  j ava  2s.c o  m*/

    byte[] bytes = null;
    try {
        bytes = smileMapper.writeValueAsBytes(obj);
    } catch (Exception e) {
        LOG.error("Error getting SMILE bytes", e);
    }
    if (bytes != null) {
        return ByteBuffer.wrap(bytes);
    }
    return null;
}

From source file:com.offbynull.portmapper.pcp.PcpOption.java

/**
 * Constructs a {@link PcpOption} object by parsing a buffer.
 * @param buffer buffer containing PCP option data
 * @throws NullPointerException if any argument is {@code null}
 * @throws BufferUnderflowException if not enough data is available in {@code buffer}
 *//*from  w  w  w  .  ja  v  a2  s  .  co  m*/
public PcpOption(ByteBuffer buffer) {
    Validate.notNull(buffer);

    code = buffer.get() & 0xFF;

    buffer.get(); // skip over reserved

    length = buffer.getShort() & 0xFFFF;

    byte[] dataArr = new byte[length];
    buffer.get(dataArr);

    data = ByteBuffer.wrap(dataArr).asReadOnlyBuffer();

    // skip over padding
    int remainder = length % 4;
    for (int i = 0; i < remainder; i++) {
        buffer.get();
    }
}

From source file:com.rackspacecloud.blueflood.io.SerializationTest.java

@Test(expected = SerializationException.class)
public void testVersion2FullDeserializeBadType() throws Throwable {
    byte[] buf = new byte[] { 0, 2 };
    try {//from  w  w  w. j  ava  2  s. c  om
        NumericSerializer.get(Granularity.FULL).fromByteBuffer(ByteBuffer.wrap(buf));
    } catch (RuntimeException e) {
        throw e.getCause();
    }
}

From source file:$.DeviceTypeServiceImpl.java

private static String shortUUID() {
        UUID uuid = UUID.randomUUID();
        long l = ByteBuffer.wrap(uuid.toString().getBytes(StandardCharsets.UTF_8)).getLong();
        return Long.toString(l, Character.MAX_RADIX);
    }//from   w w  w  . jav a 2 s  .  c  om

From source file:io.confluent.kafkarest.converters.AvroConverter.java

/**
 * Converts Avro data (including primitive types) to their equivalent JsonNode representation.
 *
 * @param value the value to convert//from   ww w .  j a  v a2 s  .c o m
 * @return an object containing the root JsonNode representing the converted object and the size
 *     in bytes of the data when serialized
 */
public static JsonNodeAndSize toJson(Object value) {
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        Schema schema = getSchema(value);
        JsonEncoder encoder = encoderFactory.jsonEncoder(schema, out);
        DatumWriter<Object> writer = new GenericDatumWriter<Object>(schema);
        // Some types require wrapping/conversion
        Object wrappedValue = value;
        if (value instanceof byte[]) {
            wrappedValue = ByteBuffer.wrap((byte[]) value);
        }
        writer.write(wrappedValue, encoder);
        encoder.flush();
        byte[] bytes = out.toByteArray();
        out.close();
        return new JsonNodeAndSize(jsonMapper.readTree(bytes), bytes.length);
    } catch (IOException e) {
        // These can be generated by Avro's JSON encoder, the output stream operations, and the
        // Jackson ObjectMapper.readTree() call.
        log.error("Jackson failed to deserialize JSON generated by Avro's JSON encoder: ", e);
        throw new ConversionException("Failed to convert Avro to JSON: " + e.getMessage());
    } catch (RuntimeException e) {
        // Catch-all since it's possible for, e.g., Avro to throw many different RuntimeExceptions
        log.error("Unexpected exception convertion Avro to JSON: ", e);
        throw new ConversionException("Failed to convert Avro to JSON: " + e.getMessage());
    }
}

From source file:ee.ioc.phon.android.speak.Utils.java

/**
 * <p>Returns a bitmap that visualizes the given waveform (byte array),
 * i.e. a sequence of 16-bit integers.</p>
 *
 * TODO: show to high/low points in other color
 * TODO: show end pause data with another color
 *///  w  ww.j  a v  a2  s . c  o m
public static Bitmap drawWaveform(byte[] waveBuffer, int w, int h, int start, int end) {
    final Bitmap b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    final Canvas c = new Canvas(b);
    final Paint paint = new Paint();
    paint.setColor(0xFFFFFFFF); // 0xRRGGBBAA
    paint.setAntiAlias(true);
    paint.setStrokeWidth(0);

    final Paint redPaint = new Paint();
    redPaint.setColor(0xFF000080);
    redPaint.setAntiAlias(true);
    redPaint.setStrokeWidth(0);

    final ShortBuffer buf = ByteBuffer.wrap(waveBuffer).order(ByteOrder.LITTLE_ENDIAN).asShortBuffer();
    buf.position(0);

    final int numSamples = waveBuffer.length / 2;
    //final int delay = (SAMPLING_RATE * 100 / 1000);
    final int delay = 0;
    int endIndex = end / 2 + delay;
    if (end == 0 || endIndex >= numSamples) {
        endIndex = numSamples;
    }
    int index = start / 2 - delay;
    if (index < 0) {
        index = 0;
    }
    final int size = endIndex - index;
    int numSamplePerPixel = 32;
    int delta = size / (numSamplePerPixel * w);
    if (delta == 0) {
        numSamplePerPixel = size / w;
        delta = 1;
    }

    final float scale = 3.5f / 65536.0f;
    // do one less column to make sure we won't read past
    // the buffer.
    try {
        for (int i = 0; i < w - 1; i++) {
            final float x = i;
            for (int j = 0; j < numSamplePerPixel; j++) {
                final short s = buf.get(index);
                final float y = (h / 2) - (s * h * scale);
                if (s > Short.MAX_VALUE - 10 || s < Short.MIN_VALUE + 10) {
                    // TODO: make it work
                    c.drawPoint(x, y, redPaint);
                } else {
                    c.drawPoint(x, y, paint);
                }
                index += delta;
            }
        }
    } catch (IndexOutOfBoundsException e) {
        // this can happen, but we don't care
    }

    return b;
}