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:com.offbynull.portmapper.natpmp.TcpMappingNatPmpResponse.java

/**
 * Constructs a {@link TcpMappingNatPmpResponse} 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 the version doesn't match the expected version (must always be {@code 0}), or if the op
 * {@code != 129}, or if external port in the buffer is {@code < 1 || > 65535}, or if there's an unsuccessful/unrecognized result code
 *///  ww w .jav a2  s  . c  o m
public TcpMappingNatPmpResponse(ByteBuffer buffer) {
    super(buffer);

    Validate.isTrue(getOp() == 130);

    internalPort = buffer.getShort() & 0xFFFF;
    externalPort = buffer.getShort() & 0xFFFF;
    lifetime = buffer.getInt() & 0xFFFFFFFFL;

    Validate.inclusiveBetween(0, 65535, externalPort);
}

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

/**
 * Constructs a {@link UdpMappingNatPmpResponse} 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 the version doesn't match the expected version (must always be {@code 0}), or if the op
 * {@code != 129}, or if external port in the buffer is {@code < 1 || > 65535}, or if there's an unsuccessful/unrecognized result code
 *///from   ww  w  . j  a  v a  2s.  c  om
public UdpMappingNatPmpResponse(ByteBuffer buffer) {
    super(buffer);

    Validate.isTrue(getOp() == 129);

    internalPort = buffer.getShort() & 0xFFFF;
    externalPort = buffer.getShort() & 0xFFFF;
    lifetime = buffer.getInt() & 0xFFFFFFFFL;

    Validate.inclusiveBetween(0, 65535, externalPort); // 0 valid for deletion
}

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}
 *//*w  ww .  jav a 2 s.c  o 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:org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6StatsRequest.java

@Override
public void readFrom(ByteBuffer data) {
    this.vendor = data.getInt();
    this.msgsubtype = data.getInt();
    data.getInt();//pad 4 bytes
    this.outPort = data.getShort();
    this.match_len = data.getShort();
    this.tableId = data.get();
    for (int i = 0; i < 3; i++)
        data.get();//pad byte

}

From source file:ru.jts_dev.gameserver.movement.geoengine.GeoService.java

public void loadRegion(int x, int y, ByteBuffer byteBuffer) {
    Region region = new Region();
    int index = 0;

    byteBuffer.position(18);//from   w w  w .  jav  a 2s .co m
    while (byteBuffer.hasRemaining()) {
        short type = byteBuffer.getShort();

        if (type == 0x0000) {
            // 1x short, flat block
            short maxHeight = (short) (byteBuffer.getShort() & 0x0fff0);
            short minHeight = (short) (byteBuffer.getShort() & 0x0fff0);

            Block block = new FlatBlock(minHeight, maxHeight);
            region.addBlock(x, y, index, block);
        } else if (type == 0x0040) { //type id from rebellion
            // 64x short, complex block
            Cell[] cells = new Cell[64];
            for (int cell = 0; cell < 64; cell++) {
                int value = byteBuffer.getShort();

                short height = (short) ((short) (value & 0x0fff0) >> 1);
                byte direction = (byte) (value & 0x0F);
                cells[cell] = new Cell(direction, height);
            }

            Block block = new ComplexBlock(cells);
            region.addBlock(x, y, index, block);
        } else { //0x0048 block id
            // 64x-8192x short, multilevel block
            short[][] height = new short[64][];
            byte[][] NSWE = new byte[64][];
            byte[] layersa = new byte[64];
            for (int cell = 0; cell < 64; cell++) {
                short layers = byteBuffer.getShort();

                height[cell] = new short[layers];
                NSWE[cell] = new byte[layers];
                for (int i = 0; i < layers; i++) {
                    int value = byteBuffer.getShort();
                    height[cell][i] = (short) ((short) (value & 0x0fff0) >> 1);
                    NSWE[cell][i] = (byte) (value & 0x0F);
                }
                layersa[cell] = (byte) --layers;
            }

            Block block = new MultilevelBlock(layersa, height, NSWE);
            region.addBlock(x, y, index, block);
        }

        index++;
    }
}

From source file:org.opendaylight.lispflowmapping.lisp.serializer.address.ExplicitLocatorPathSerializer.java

private Address deserializeData(ByteBuffer buffer, short lcafLength, LispAddressSerializerContext ctx) {
    List<Hop> hops = new ArrayList<Hop>();
    short length = lcafLength;
    while (length > 0) {
        byte flags = (byte) buffer.getShort();
        boolean lookup = ByteUtil.extractBit(flags, Flags.LOOKUP);
        boolean rlocProbe = ByteUtil.extractBit(flags, Flags.RLOC_PROBE);
        boolean strict = ByteUtil.extractBit(flags, Flags.STRICT);
        SimpleAddress address = SimpleAddressSerializer.getInstance().deserialize(buffer, ctx);
        HopBuilder builder = new HopBuilder();
        builder.setLrsBits(new LrsBits(lookup, rlocProbe, strict));
        builder.setAddress(address);//from  w ww. ja v a 2  s .c  o  m
        builder.setHopId("Hop " + (hops.size() + 1));
        length -= SimpleAddressSerializer.getInstance().getAddressSize(address) + 2;
        hops.add(builder.build());
    }
    return new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.ExplicitLocatorPathBuilder()
            .setExplicitLocatorPath(new ExplicitLocatorPathBuilder().setHop(hops).build()).build();
}

From source file:nl.dobots.bluenet.ble.base.structs.CrownstoneServiceData.java

public CrownstoneServiceData(byte[] bytes) {
    super();/*from   ww  w  .j  a v a2 s  .com*/

    ByteBuffer bb = ByteBuffer.wrap(bytes);
    bb.order(ByteOrder.LITTLE_ENDIAN);

    bb.getShort(); // skip first two bytes (service UUID)

    bb.mark();
    int val = bb.get();

    if (val == 1) {
        setCrownstoneId(bb.getShort());
        setCrownstoneStateId(bb.getShort());
        setSwitchState((bb.get() & 0xff));
        setEventBitmask(bb.get());
        setTemperature(bb.get());
        setPowerUsage(bb.getInt());
        setAccumulatedEnergy(bb.getInt());

        setRelayState(BleUtils.isBitSet(getSwitchState(), 7));
        setPwm(getSwitchState() & ~(1 << 7));
    } else {
        bb.reset();
        setCrownstoneId(bb.getShort());
        setCrownstoneStateId(bb.getShort());
        setSwitchState((bb.get() & 0xff));
        setEventBitmask(bb.get());
        setTemperature(bb.get());
        bb.get(); // skip reserved
        //         bb.getShort(); // skip reserved
        setPowerUsage(bb.getInt());
        setAccumulatedEnergy(bb.getInt());

        setRelayState(BleUtils.isBitSet(getSwitchState(), 7));
        setPwm(getSwitchState() & ~(1 << 7));
    }
}

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

/**
 * Constructs a {@link FilterPcpOption} 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}
 * @throws IllegalArgumentException if option code is not {@code 3}, or if the field {@code prefixLength > 128}
 */// w  w w .j  av  a  2  s. com
public FilterPcpOption(ByteBuffer buffer) {
    super(buffer);

    Validate.isTrue(super.getCode() == 3);

    buffer.get(); // reserved
    prefixLength = buffer.get() & 0xFF;
    remotePeerPort = buffer.getShort() & 0xFFFF;

    Validate.inclusiveBetween(0, 128, prefixLength); // 0 indicates 'no filter'
    Validate.inclusiveBetween(0, 65535, remotePeerPort); // 0 indicates 'all ports', should never trigger

    byte[] addrArr = new byte[16];
    buffer.get(addrArr);
    try {
        remotePeerIpAddress = InetAddress.getByAddress(addrArr);
    } catch (UnknownHostException uhe) {
        throw new IllegalStateException(uhe); // should never happen
    }
}

From source file:io.github.dsheirer.sample.adapter.ChannelShortAdapter.java

@Override
public float[] convert(byte[] samples) {
    float[] processed = new float[samples.length / 4];

    int pointer = 0;

    /* Wrap byte array in a byte buffer so we can process them as shorts */
    ByteBuffer buffer = ByteBuffer.wrap(samples);

    /* Set endian to correct byte ordering */
    buffer.order(mByteOrder);//from   w  ww .j  av a  2  s. c  o  m

    while (buffer.hasRemaining()) {
        if (mMixerChannel == MixerChannel.LEFT) {
            processed[pointer] = mMap.get(buffer.getShort());

            /* Throw away the right channel */
            buffer.getShort();
        } else {
            /* Throw away the left channel */
            buffer.getShort();

            processed[pointer] = mMap.get(buffer.getShort());
        }

        pointer++;
    }

    return processed;
}

From source file:com.netflix.aegisthus.pig.AegisthusLoadCaster.java

private long getNumber(byte[] arg0) throws Exception {
    byte[] by = hex.decode(arg0);
    ByteBuffer bb = ByteBuffer.allocate(by.length);
    bb.put(by);//  w w w.  j  a  va 2  s. com
    bb.position(0);
    switch (by.length) {
    case 1:
        return (long) bb.get();
    case 2:
        return (long) bb.getShort();
    case 4:
        return (long) bb.getInt();
    case 8:
        return (long) bb.getLong();
    }
    throw new UnexpectedException("couldn't determine datatype");
}