Example usage for java.nio ByteBuffer array

List of usage examples for java.nio ByteBuffer array

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Introduction

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

Prototype

public final byte[] array()

Source Link

Document

Returns the byte array which this buffer is based on, if there is one.

Usage

From source file:org.sglover.nlp.EntityExtracter.java

private String getContent(ReadableByteChannel channel) throws IOException {
    StringBuilder sb = new StringBuilder();
    ByteBuffer bb = ByteBuffer.allocate(2048);
    int c = -1;/*ww w. ja  v  a2 s  .  co m*/
    do {
        c = channel.read(bb);
        bb.flip();
        bb.clear();
        sb.append(new String(bb.array(), "UTF-8"));
    } while (c != -1);

    String content = sb.toString();
    return content;
}

From source file:com.acciente.oacc.sql.internal.StrongCleanablePasswordEncryptor.java

private byte[] getCleanedBytes(char[] password) {
    final ByteBuffer byteBuffer = StandardCharsets.UTF_8
            .encode(CharBuffer.wrap(Normalizer.normalizeToNfc(password)));
    final byte[] byteArray = new byte[byteBuffer.remaining()];
    byteBuffer.get(byteArray);/*from  ww  w. ja  v a 2  s . c  om*/
    Arrays.fill(byteBuffer.array(), (byte) 0);
    return byteArray;
}

From source file:com.navercorp.pinpoint.common.server.bo.serializer.trace.v1.SpanBoTest.java

@Test
public void serialize2_V1() {
    SpanBo spanBo = new SpanBo();
    spanBo.setAgentId("agent");
    String service = createString(5);
    spanBo.setApplicationId(service);//  ww  w. ja v a2 s. c  o m
    String endPoint = createString(127);
    spanBo.setEndPoint(endPoint);
    String rpc = createString(255);
    spanBo.setRpc(rpc);

    spanBo.setServiceType(ServiceType.STAND_ALONE.getCode());
    spanBo.setApplicationServiceType(ServiceType.UNKNOWN.getCode());

    final ByteBuffer bytes = spanSerializer.writeColumnValue(spanBo);

    SpanBo newSpanBo = new SpanBo();
    Buffer valueBuffer = new OffsetFixedBuffer(bytes.array(), bytes.arrayOffset(), bytes.remaining());
    int i = spanDecoder.readSpan(newSpanBo, valueBuffer);
    logger.debug("length:{}", i);
    Assert.assertEquals(bytes.limit(), i);

    Assert.assertEquals(spanBo.getServiceType(), spanBo.getServiceType());
    Assert.assertEquals(spanBo.getApplicationServiceType(), spanBo.getApplicationServiceType());
}

From source file:com.unister.semweb.drums.api.SearchForTest.java

/**
 * Converts the given <code>value</code> into an byte array. The final byte array will have
 * <code>overallBytes</code>.
 *///  w w  w .  jav  a  2  s . c o m
private byte[] convert(int value, int overallBytes) {
    ByteBuffer buffer = ByteBuffer.allocate(overallBytes);
    buffer.putInt(overallBytes - 4, value);
    buffer.flip();
    return buffer.array();
}

From source file:net.phoenix.thrift.hello.ThreadedSelectorTest.java

@Test
public void testByteBuffer() throws TException, IOException, InterruptedException {
    LOG.info("Client starting....");
    String name = "World";
    // TTransport transport = new TNonblockingSocket("localhost", 9804);
    TTransport transport = new TFramedTransport(new TSocket("localhost", 9804));
    transport.open();//  w ww . j a v  a 2 s  .  c  o m
    // TTransport transport = new TTransport(socket);
    TProtocol protocol = new TBinaryProtocol(transport);
    HelloService.Client client = new HelloService.Client(protocol);
    try {
        Hello.HelloRequest.Builder request = Hello.HelloRequest.newBuilder();
        request.setName(name);
        Hello.User.Builder user = Hello.User.newBuilder();
        user.setName("hello");
        user.setPassword("hello");
        request.setUser(user.build());
        ByteBuffer requestBuffer = ByteBuffer.wrap(request.build().toByteArray());
        ByteBuffer buffer = client.hello(requestBuffer);
        Hello.HelloResponse response = Hello.HelloResponse
                .parseFrom(ArrayUtils.subarray(buffer.array(), buffer.position(), buffer.limit()));
        String message = response.getMessage();
        assertEquals(message, "Hello " + name);
        // System.out.println(message);
    } finally {
        transport.close();
    }
}

From source file:eu.pursuit.core.ItemName.java

public byte[] toByteArray() {
    int length = 0;
    if (scopeId != null) {
        length += scopeId.getLength();/*  w  w  w .j a va 2 s .c om*/
    }

    if (rendezvousId != null) {
        length += rendezvousId.getId().length;
    }

    ByteBuffer buffer = ByteBuffer.allocate(length);
    if (scopeId != null) {
        scopeId.fill(buffer);
    }

    if (rendezvousId != null) {
        buffer.put(rendezvousId.getId());
    }
    return buffer.array();
}

From source file:com.baynote.kafka.hadoop.KafkaRecordReader.java

/**
 * {@inheritDoc}//from w  w w. j  a  v  a  2 s .  co  m
 */
@Override
public boolean nextKeyValue() throws IOException, InterruptedException {
    if (key == null) {
        key = new LongWritable();
    }
    if (value == null) {
        value = new BytesWritable();
    }
    if (continueItr()) {
        final MessageAndOffset msg = getCurrentMessageItr().next();
        final long msgOffset = msg.offset();
        final Message message = msg.message();
        final ByteBuffer buffer = message.payload();
        value.set(buffer.array(), buffer.arrayOffset(), message.payloadSize());
        key.set(msgOffset);
        pos = msgOffset;
        return true;
    }
    return false;
}

From source file:byps.test.servlet.MyRemoteStreams.java

@Override
public TreeMap<Integer, InputStream> getImages() throws RemoteException {
    if (log.isDebugEnabled())
        log.debug("getImages(");
    Map<Integer, ByteBuffer> mapStreamBytes = this.mapStreamBytes;
    if (mapStreamBytes == null)
        return null;
    TreeMap<Integer, InputStream> map = new TreeMap<Integer, InputStream>();
    for (Integer k : mapStreamBytes.keySet()) {
        ByteBuffer buf = mapStreamBytes.get(k);
        InputStream istrm = new ByteArrayInputStream(buf.array(), buf.position(), buf.remaining());
        map.put(k, istrm);/*from  www  .j  a  va2s .c o  m*/
    }
    if (log.isDebugEnabled())
        log.debug(")getImages=" + map);
    return map;
}

From source file:com.offbynull.portmapper.natpmp.NatPmpReceiver.java

/**
 * Start listening for NAT-PMP events. This method blocks until {@link #stop() } is called.
 * @param listener listener to notify of events
 * @throws IOException if socket error occurs
 * @throws NullPointerException if any argument is {@code null}
 *//*from  ww w . jav a2s. c o m*/
public void start(NatPmpEventListener listener) throws IOException {
    Validate.notNull(listener);

    MulticastSocket socket = null;
    try {
        final InetAddress group = InetAddress.getByName("224.0.0.1"); // NOPMD
        final int port = 5350;
        final InetSocketAddress groupAddress = new InetSocketAddress(group, port);

        socket = new MulticastSocket(port);

        if (!currentSocket.compareAndSet(null, socket)) {
            IOUtils.closeQuietly(socket);
            return;
        }

        socket.setReuseAddress(true);

        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
        while (interfaces.hasMoreElements()) {
            NetworkInterface networkInterface = interfaces.nextElement();
            Enumeration<InetAddress> addrs = networkInterface.getInetAddresses();
            while (addrs.hasMoreElements()) { // make sure atleast 1 ipv4 addr bound to interface
                InetAddress addr = addrs.nextElement();

                try {
                    if (addr instanceof Inet4Address) {
                        socket.joinGroup(groupAddress, networkInterface);
                    }
                } catch (IOException ioe) { // NOPMD
                    // occurs with certain interfaces
                    // do nothing
                }
            }
        }

        ByteBuffer buffer = ByteBuffer.allocate(12);
        DatagramPacket data = new DatagramPacket(buffer.array(), buffer.capacity());

        while (true) {
            buffer.clear();
            socket.receive(data);
            buffer.position(data.getLength());
            buffer.flip();

            if (!data.getAddress().equals(gatewayAddress)) { // data isn't from our gateway, ignore
                continue;
            }

            if (buffer.remaining() != 12) { // data isn't the expected size, ignore
                continue;
            }

            int version = buffer.get(0);
            if (version != 0) { // data doesn't have the correct version, ignore
                continue;
            }

            int opcode = buffer.get(1) & 0xFF;
            if (opcode != 128) { // data doesn't have the correct op, ignore
                continue;
            }

            int resultCode = buffer.getShort(2) & 0xFFFF;
            switch (resultCode) {
            case 0:
                break;
            default:
                continue; // data doesn't have a successful result, ignore
            }

            listener.publicAddressUpdated(new ExternalAddressNatPmpResponse(buffer));
        }

    } catch (IOException ioe) {
        if (currentSocket.get() == null) {
            return; // ioexception caused by interruption/stop, so just return without propogating error up
        }

        throw ioe;
    } finally {
        IOUtils.closeQuietly(socket);
        currentSocket.set(null);
    }
}

From source file:cn.ac.ncic.mastiff.io.coding.DeltaBinaryBitPackingZigZarIntReader.java

public void ensureDecompress() throws IOException {
    org.apache.hadoop.io.compress.Decompressor decompressor = this.compressAlgo.getDecompressor();
    InputStream is = this.compressAlgo.createDecompressionStream(inBuf, decompressor, 0);
    ByteBuffer buf = ByteBuffer.allocate(decompressedSize);
    IOUtils.readFully(is, buf.array(), 0, buf.capacity());
    is.close();//from w  w w  . j  av a  2s  .co m
    this.compressAlgo.returnDecompressor(decompressor);
    inBuf.reset(buf.array(), offset, buf.capacity());
}