Example usage for java.nio ByteBuffer getInt

List of usage examples for java.nio ByteBuffer getInt

  1. HOME
  2. Java
  3. java
  4. java.nio.*
  5. ByteBuffer
  6. getInt

Introduction

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

Prototype

public abstract int getInt();

Source Link

Document

Returns the int at the current position and increases the position by 4.

Usage

From source file:net.jenet.BandwidthLimit.java

@Override
public void fromBuffer(ByteBuffer buffer) {
    super.fromBuffer(buffer);
    incomingBandwidth = buffer.getInt();
    outgoingBandwidth = buffer.getInt();
}

From source file:edu.umass.cs.gigapaxos.paxospackets.ProposalPacket.java

protected ProposalPacket(ByteBuffer bbuf) throws UnsupportedEncodingException, UnknownHostException {
    super(bbuf);// w w  w. java  2  s .c om
    this.slot = bbuf.getInt();
}

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:us.ihmc.pubsub.types.ByteBufferPubSubType.java

@Override
public void deserialize(SerializedPayload serializedPayload, ByteBuffer data) throws IOException {
    CDR.readEncapsulation(serializedPayload);

    ByteBuffer src = serializedPayload.getData();

    int length = src.getInt();
    if (length > data.remaining()) {
        throw new IOException(
                "ByteBuffer data does not have enough space remaining to accept the incoming message.");
    }//from w  w w . j  a va2  s.  c  om
    for (int i = 0; i < length; i++) {
        data.put(src.get());
    }
}

From source file:com.healthmarketscience.jackcess.impl.OleUtil.java

private static ContentImpl createSimplePackageContent(OleBlobImpl blob, String prettyName, String className,
        String typeName, ByteBuffer blobBb, int dataBlockLen) {

    int dataBlockPos = blobBb.position();
    ByteBuffer bb = PageChannel.narrowBuffer(blobBb, dataBlockPos, dataBlockPos + dataBlockLen);

    int packageSig = bb.getShort();
    if (packageSig != PACKAGE_STREAM_SIGNATURE) {
        return new OtherContentImpl(blob, prettyName, className, typeName, dataBlockPos, dataBlockLen);
    }//  ww  w  .j a v a 2  s.  c o  m

    String fileName = readZeroTermStr(bb);
    String filePath = readZeroTermStr(bb);
    int packageType = bb.getInt();

    if (packageType == PS_EMBEDDED_FILE) {

        int localFilePathLen = bb.getInt();
        String localFilePath = readStr(bb, bb.position(), localFilePathLen);
        int dataLen = bb.getInt();
        int dataPos = bb.position();
        bb.position(dataLen + dataPos);

        // remaining strings are in "reverse" order (local file path, file name,
        // file path).  these string usee a real utf charset, and therefore can
        // "fix" problems with ascii based names (so we prefer these strings to
        // the original strings we found)
        int strNum = 0;
        while (true) {

            int rem = bb.remaining();
            if (rem < 4) {
                break;
            }

            int strLen = bb.getInt();
            String remStr = readStr(bb, bb.position(), strLen * 2, OLE_UTF_CHARSET);

            switch (strNum) {
            case 0:
                localFilePath = remStr;
                break;
            case 1:
                fileName = remStr;
                break;
            case 2:
                filePath = remStr;
                break;
            default:
                // ignore
            }

            ++strNum;
        }

        return new SimplePackageContentImpl(blob, prettyName, className, typeName, dataPos, dataLen, fileName,
                filePath, localFilePath);
    }

    if (packageType == PS_LINKED_FILE) {

        bb.getShort(); //unknown
        String linkStr = readZeroTermStr(bb);

        return new LinkContentImpl(blob, prettyName, className, typeName, fileName, linkStr, filePath);
    }

    return new OtherContentImpl(blob, prettyName, className, typeName, dataBlockPos, dataBlockLen);
}

From source file:com.kactech.otj.Utils.java

public static String open(byte[] encryptedEnvelope, PrivateKey privateKey)
        throws InvalidKeyException, NoSuchAlgorithmException, InvalidAlgorithmParameterException,
        IllegalBlockSizeException, BadPaddingException {
    String str;/*from   ww  w  .  j  a va  2s  .co m*/
    byte[] by;
    ByteBuffer buff = ByteBuffer.wrap(encryptedEnvelope);
    buff.order(ByteOrder.BIG_ENDIAN);
    int envType = buff.getShort();// expected 1(asymmetric)
    if (envType != 1)
        throw new UnsupportedOperationException("unexpected envelope type " + envType);
    int arraySize = buff.getInt();// can result in negative integer but not expecting it here
    if (arraySize != 1)//TODO
        throw new UnsupportedOperationException("current code doesn't support multi-nym response");
    byte[] encKeyBytes = null;
    byte[] vectorBytes = null;
    for (int i = 0; i < arraySize; i++) {
        int nymIDLen = buff.getInt();
        by = new byte[nymIDLen];
        buff.get(by);
        String nymID;
        try {
            nymID = new String(by, 0, by.length - 1, Utils.US_ASCII);
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException(e);
        } // take nymID W/O trailing \0
          //TODO nymID matching!
        int keyLength = buff.getInt();
        encKeyBytes = new byte[keyLength];
        buff.get(encKeyBytes);
        int vectorLength = buff.getInt();
        vectorBytes = new byte[vectorLength];
        buff.get(vectorBytes);

    }
    byte[] encryptedMsg = new byte[buff.remaining()];
    buff.get(encryptedMsg);

    Cipher cipher;
    try {
        cipher = Cipher.getInstance(WRAP_ALGO);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    cipher.init(Cipher.UNWRAP_MODE, privateKey);
    SecretKeySpec aesKey = (SecretKeySpec) cipher.unwrap(encKeyBytes, "AES", Cipher.SECRET_KEY);
    try {
        cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    cipher.init(Cipher.DECRYPT_MODE, aesKey, new IvParameterSpec(vectorBytes));
    by = cipher.doFinal(encryptedMsg);
    try {
        str = new String(by, 0, by.length - 1, Utils.UTF8);
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    } // w/o trailing \0
    return str;
}

From source file:com.dreamworks.dsp.server.EmbeddedSftpServer.java

private PublicKey decodePublicKey() throws Exception {
    InputStream stream = new ClassPathResource("keys/sftp_rsa.pub").getInputStream();
    byte[] decodeBuffer = Base64.decodeBase64(StreamUtils.copyToByteArray(stream));
    ByteBuffer bb = ByteBuffer.wrap(decodeBuffer);
    int len = bb.getInt();
    byte[] type = new byte[len];
    bb.get(type);//w  w  w. ja va 2 s .c o m
    if ("ssh-rsa".equals(new String(type))) {
        BigInteger e = decodeBigInt(bb);
        BigInteger m = decodeBigInt(bb);
        RSAPublicKeySpec spec = new RSAPublicKeySpec(m, e);
        return KeyFactory.getInstance("RSA").generatePublic(spec);

    } else {
        throw new IllegalArgumentException("Only supports RSA");
    }
}

From source file:org.apache.hadoop.hbase.KeyValueUtil.java

/**
 * Creates a new KeyValue object positioned in the supplied ByteBuffer and sets the ByteBuffer's
 * position to the start of the next KeyValue. Does not allocate a new array or copy data.
 * @param bb//w  ww. j  a va  2  s.com
 * @param includesMvccVersion
 * @param includesTags
 */
public static KeyValue nextShallowCopy(final ByteBuffer bb, final boolean includesMvccVersion,
        boolean includesTags) {
    if (bb.isDirect()) {
        throw new IllegalArgumentException("only supports heap buffers");
    }
    if (bb.remaining() < 1) {
        return null;
    }
    KeyValue keyValue = null;
    int underlyingArrayOffset = bb.arrayOffset() + bb.position();
    int keyLength = bb.getInt();
    int valueLength = bb.getInt();
    ByteBufferUtils.skip(bb, keyLength + valueLength);
    int tagsLength = 0;
    if (includesTags) {
        // Read short as unsigned, high byte first
        tagsLength = ((bb.get() & 0xff) << 8) ^ (bb.get() & 0xff);
        ByteBufferUtils.skip(bb, tagsLength);
    }
    int kvLength = (int) KeyValue.getKeyValueDataStructureSize(keyLength, valueLength, tagsLength);
    keyValue = new KeyValue(bb.array(), underlyingArrayOffset, kvLength);
    if (includesMvccVersion) {
        long mvccVersion = ByteBufferUtils.readVLong(bb);
        keyValue.setSequenceId(mvccVersion);
    }
    return keyValue;
}

From source file:edu.umass.cs.gigapaxos.paxospackets.AcceptPacket.java

public AcceptPacket(ByteBuffer bbuf) throws UnsupportedEncodingException, UnknownHostException {
    super(bbuf);//from  ww w.java  2s.  c om
    this.sender = bbuf.getInt();
}

From source file:org.openhab.binding.ulux.internal.ump.messages.StateMessage.java

public StateMessage(final short actorId, final ByteBuffer data) {
    super((byte) 0x04, UluxMessageId.State, actorId, data);

    final BigInteger stateFlags = BigInteger.valueOf(data.getInt());

    this.i2cHumidityValid = stateFlags.testBit(25);
    this.i2cTemperatureValid = stateFlags.testBit(24);
    this.motionSensor = stateFlags.testBit(11);
    this.internalError = stateFlags.testBit(7);
    this.initRequest = stateFlags.testBit(6);
    this.timeRequest = stateFlags.testBit(5);
    this.introActive = stateFlags.testBit(4);
    this.audioActive = stateFlags.testBit(3);
    this.displayActive = stateFlags.testBit(2);
    this.proximitySensor = stateFlags.testBit(1);
    this.lightSensor = stateFlags.testBit(0);
}