Example usage for java.nio ByteBuffer getShort

List of usage examples for java.nio ByteBuffer getShort

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Introduction

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

Prototype

public abstract short getShort();

Source Link

Document

Returns the short at the current position and increases the position by 2.

Usage

From source file:au.org.ala.delta.io.BinFile.java

public short readShort() {
    ByteBuffer b = readByteBuffer(2);
    _stats.ReadShort++;
    return b.getShort();
}

From source file:org.cosmo.common.util.Util.java

public static short[] longToShorts2(long value) {
    short[] shorts = new short[4];
    ByteBuffer b = ByteBuffer.allocate(8);
    b.putLong(value);//  w w  w .ja v a  2 s  .  c  om

    b.rewind();
    shorts[0] = b.getShort();
    shorts[1] = b.getShort();
    shorts[2] = b.getShort();
    shorts[3] = b.getShort();
    return shorts;

}

From source file:com.srotya.monitoring.kafka.util.KafkaConsumerOffsetUtil.java

private long readOffsetMessageValue(ByteBuffer buffer) {
    buffer.getShort(); // read and ignore version
    long offset = buffer.getLong();
    return offset;
}

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

/**
 * Constructs a {@link MapPcpResponse} object by parsing a buffer.
 * @param buffer buffer containing PCP response data
 * @throws NullPointerException if any argument is {@code null}
 * @throws BufferUnderflowException if not enough data is available in {@code buffer}
 * @throws IllegalArgumentException if there's not enough or too much data remaining in the buffer, or if the version doesn't match the
 * expected version (must always be {@code 2}), or if the r-flag isn't set, or if there's an unsuccessful/unrecognized result code,
 * or if the op code doesn't match the MAP opcode, or if the response has a {@code 0} for its {@code internalPort} or
 * {@code assignedExternalPort} field, or if there were problems parsing options
 */// w  w w . jav a2 s  .  co m
public MapPcpResponse(ByteBuffer buffer) {
    super(buffer);

    Validate.isTrue(super.getOp() == 1);

    mappingNonce = ByteBuffer.allocate(12);
    buffer.get(mappingNonce.array());
    mappingNonce = mappingNonce.asReadOnlyBuffer();
    this.protocol = buffer.get() & 0xFF;

    for (int i = 0; i < 3; i++) { // reserved block
        buffer.get();
    }

    this.internalPort = buffer.getShort() & 0xFFFF;
    this.assignedExternalPort = buffer.getShort() & 0xFFFF;
    byte[] addrArr = new byte[16];
    buffer.get(addrArr);
    try {
        this.assignedExternalIpAddress = InetAddress.getByAddress(addrArr); // should automatically shift down to ipv4 if ipv4-to-ipv6
                                                                            // mapped address
    } catch (UnknownHostException uhe) {
        throw new IllegalArgumentException(uhe); // should never happen, will always be 16 bytes
    }

    Validate.inclusiveBetween(0, 255, protocol); // should never happen
    Validate.inclusiveBetween(0, 65535, internalPort); // can be 0 if referencing all
    Validate.inclusiveBetween(0, 65535, assignedExternalPort); // can be 0 if removing

    parseOptions(buffer);
}

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

/**
 * Constructs a {@link PeerPcpResponse} object by parsing a buffer.
 * @param buffer buffer containing PCP response data
 * @throws NullPointerException if any argument is {@code null}
 * @throws BufferUnderflowException if not enough data is available in {@code buffer}
 * @throws IllegalArgumentException if there's not enough or too much data remaining in the buffer, or if the version doesn't match the
 * expected version (must always be {@code 2}), or if the r-flag isn't set, or if there's an unsuccessful/unrecognized result code,
 * or if the op code doesn't match the PEER opcode, or if the response has a {@code 0} for its {@code internalPort} or
 * {@code assignedExternalPort} or {@code remotePeerPort} or {@code protocol} field, or if there were problems parsing options
 *//*from w w w  . j a  v a 2 s  .  c o m*/
public PeerPcpResponse(ByteBuffer buffer) {
    super(buffer);

    Validate.isTrue(super.getOp() == 2);

    mappingNonce = ByteBuffer.allocate(12);
    buffer.get(mappingNonce.array());
    mappingNonce = mappingNonce.asReadOnlyBuffer();
    this.protocol = buffer.get() & 0xFF;

    for (int i = 0; i < 3; i++) { // reserved block
        buffer.get();
    }

    this.internalPort = buffer.getShort() & 0xFFFF;
    this.assignedExternalPort = buffer.getShort() & 0xFFFF;
    byte[] addrArr = new byte[16];
    buffer.get(addrArr);
    try {
        this.assignedExternalIpAddress = InetAddress.getByAddress(addrArr); // should automatically shift down to ipv4 if ipv4-to-ipv6
                                                                            // mapped address
    } catch (UnknownHostException uhe) {
        throw new IllegalArgumentException(uhe); // should never happen, will always be 16 bytes
    }
    this.remotePeerPort = buffer.getShort() & 0xFFFF;

    for (int i = 0; i < 2; i++) { // reserved block
        buffer.get();
    }

    buffer.get(addrArr);
    try {
        this.remotePeerIpAddress = InetAddress.getByAddress(addrArr); // should automatically shift down to ipv4 if ipv4-to-ipv6
                                                                      // mapped address
    } catch (UnknownHostException uhe) {
        throw new IllegalArgumentException(uhe); // should never happen, will always be 16 bytes
    }

    Validate.inclusiveBetween(1, 255, protocol);
    Validate.inclusiveBetween(1, 65535, internalPort);
    Validate.inclusiveBetween(1, 65535, assignedExternalPort);
    Validate.inclusiveBetween(1, 65535, remotePeerPort);

    parseOptions(buffer);
}

From source file:com.diozero.devices.ADXL345.java

@Override
public Vector3D getAccelerometerData() throws RuntimeIOException {
    ByteBuffer data = ByteBuffer.wrap(device.readBytes(AXES_DATA, 6));
    short x = data.getShort();
    short y = data.getShort();
    short z = data.getShort();

    return ImuDataFactory.createVector(new short[] { x, y, z }, SCALE_FACTOR);
}

From source file:org.jmangos.sniffer.network.model.impl.WOWNetworkChannel.java

@Override
public void onResiveClientData(final long frameNumber, final byte[] buffer) {
    final ByteBuffer bytebuf = ByteBuffer.wrap(buffer);
    long opcode = 0;
    long size = 0;
    byte[] data;/*from ww w. j  ava2 s  .  c  o  m*/
    bytebuf.order(ByteOrder.LITTLE_ENDIAN);
    if (getChannelState().contains(State.AUTHED)) {
        final long header = bytebuf.getInt() & 0xFFFFFFFF;
        size = header >> 13;
        opcode = (header & 0x1FFF);
        data = new byte[(int) size];
        bytebuf.get(data);
    } else {
        size = bytebuf.getShort();
        opcode = bytebuf.getInt();
        data = new byte[(int) size - 4];
        bytebuf.get(data);
        // old (opcode == 0x1a72) | (opcode == 0x3f3)
        if ((opcode == 0x1aa1) | (opcode == 0x9f1)) {
            this.log.debug("Init cryptography system for channel {}", this.getChannelId());
            addChannelState(State.AUTHED);
            this.csPacketBuffer.getCrypt().init(this.woWKeyReader.getKey());
            this.scPacketBuffer.getCrypt().init(this.woWKeyReader.getKey());
        }
    }
    this.log.debug(String.format("Frame: %d; Resive packet %s Opcode: 0x%x\n", frameNumber, "CMSG", opcode));
    for (final PacketLogHandler logger : this.packetLoggers) {
        logger.onDecodePacket(this, Direction.CLIENT, (int) size, (int) opcode, data, (int) frameNumber);
    }
}

From source file:org.jmangos.sniffer.network.model.impl.WOWNetworkChannel.java

@Override
synchronized public void onResiveServerData(final long frameNumber, final byte[] buffer) {
    final ByteBuffer bytebuf = ByteBuffer.wrap(buffer);
    bytebuf.order(ByteOrder.LITTLE_ENDIAN);
    long opcode = 0;
    long size = 0;
    byte[] data = null;
    if (getChannelState().contains(State.AUTHED)) {
        final long header = bytebuf.getInt() & 0xFFFFFFFF;
        size = header >> 13;//from  ww w  .  ja va2s .  c  om
        opcode = header & 0x1FFF;
        data = new byte[(int) size];
        bytebuf.get(data);
    } else {
        size = bytebuf.getShort();
        opcode = bytebuf.getInt();
        bytebuf.mark();
        data = new byte[(int) size - 4];
        bytebuf.get(data);
        bytebuf.reset();
        // old 0xc0b
        if ((opcode == 0x221) & !getChannelState().contains(State.NOT_ACCEPT_SEED)) {
            this.log.debug("Get new Seed");
            final byte[] serverSeed = new byte[16];
            final byte[] clientSeed = new byte[16];
            for (int i = 0; i < 16; i++) {
                serverSeed[i] = bytebuf.get();
            }
            for (int i = 0; i < 16; i++) {
                clientSeed[i] = bytebuf.get();
            }
            bytebuf.get();
            this.csPacketBuffer.getCrypt().setEncryptionSeed(clientSeed);
            this.scPacketBuffer.getCrypt().setEncryptionSeed(serverSeed);
        }

    }
    this.log.debug(String.format("Frame: %d; Resive packet %s Opcode: 0x%x OpcodeSize: %d", frameNumber, "SMSG",
            opcode, size));
    for (final PacketLogHandler logger : this.packetLoggers) {
        logger.onDecodePacket(this, Direction.SERVER, (int) size, (int) opcode, data, (int) frameNumber);
    }
}

From source file:org.apache.carbondata.processing.store.writer.AbstractFactDataWriter.java

/**
 * Below method will be used to update the min or max value
 * by removing the length from it//from w  ww .j av  a2 s .  c o m
 *
 * @return min max value without length
 */
protected byte[] updateMinMaxForNoDictionary(byte[] valueWithLength) {
    ByteBuffer buffer = ByteBuffer.wrap(valueWithLength);
    byte[] actualValue = new byte[buffer.getShort()];
    buffer.get(actualValue);
    return actualValue;
}