Example usage for java.nio ByteBuffer putInt

Introduction

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

Prototype

public abstract ByteBuffer putInt(int value);

Source Link

Document

Writes the given int to the current position and increases the position by 4.

Usage

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

private static byte[] writePackageStreamHeader(OleBlob.Builder oleBuilder) {

    byte[] fileNameBytes = getZeroTermStrBytes(oleBuilder.getFileName());
    byte[] filePathBytes = getZeroTermStrBytes(oleBuilder.getFilePath());

    int headerLen = 6 + fileNameBytes.length + filePathBytes.length;

    if (oleBuilder.getType() == ContentType.SIMPLE_PACKAGE) {

        headerLen += 8 + filePathBytes.length;

    } else {// w w w.j a va 2 s . co m

        headerLen += 2;
    }

    byte[] headerBytes = new byte[headerLen];
    ByteBuffer bb = PageChannel.wrap(headerBytes);
    bb.putShort((short) PACKAGE_STREAM_SIGNATURE);
    bb.put(fileNameBytes);
    bb.put(filePathBytes);

    if (oleBuilder.getType() == ContentType.SIMPLE_PACKAGE) {
        bb.putInt(PS_EMBEDDED_FILE);
        bb.putInt(filePathBytes.length);
        bb.put(filePathBytes, 0, filePathBytes.length);
        bb.putInt((int) oleBuilder.getContentLength());
    } else {
        bb.putInt(PS_LINKED_FILE);
        bb.putShort((short) LINK_HEADER);
    }

    return headerBytes;
}

From source file:mil.nga.giat.geowave.datastore.accumulo.AccumuloDataStore.java

protected static byte[] getRowIdBytes(final GeowaveRowId rowElements) {
    final ByteBuffer buf = ByteBuffer.allocate(12 + rowElements.getDataId().length
            + rowElements.getAdapterId().length + rowElements.getInsertionId().length);
    buf.put(rowElements.getInsertionId());
    buf.put(rowElements.getAdapterId());
    buf.put(rowElements.getDataId());//from   w  w  w .ja  v a2  s  .  com
    buf.putInt(rowElements.getAdapterId().length);
    buf.putInt(rowElements.getDataId().length);
    buf.putInt(rowElements.getNumberOfDuplicates());
    return buf.array();
}

From source file:com.linkedin.databus.core.DbusEventV2.java

public static void setKey(ByteBuffer buf, DbusEventKey key) {
    switch (key.getKeyType()) {
    case STRING:/*  w ww  . j  a v  a  2s  .  c  o m*/
        byte[] keyBytes = key.getStringKeyInBytes();
        buf.putInt(keyBytes.length).put(keyBytes);
        break;
    case LONG:
        buf.putLong(key.getLongKey());
        break;
    case SCHEMA:
        key.getSchemaKey().encode(buf);
        break;
    default:
        throw new UnsupportedOperationException("Unimplemented key type:" + key.getKeyType());
    }
}

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

public static ByteBuffer seal(String msg, String nymID, PublicKey nymKey, SecretKeySpec aesSecret,
        IvParameterSpec vector) throws InvalidKeyException, InvalidAlgorithmParameterException,
        IllegalBlockSizeException, BadPaddingException {
    ByteBuffer buff = ByteBuffer.allocate(msg.length() + 500);//donno?
    buff.order(ByteOrder.BIG_ENDIAN);
    buff.putShort((short) 1);//asymmetric
    buff.putInt(1);//array size
    buff.putInt(nymID.length() + 1);// ww  w .  j a  va  2 s  . c  o m
    buff.put(bytes(nymID + '\0', US_ASCII));

    // create encoded key and message
    Cipher cipher;
    try {
        cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    cipher.init(Cipher.ENCRYPT_MODE, aesSecret, vector);
    byte[] encrypted = cipher.doFinal(bytes(msg + '\0', UTF8));
    try {
        cipher = Cipher.getInstance(WRAP_ALGO);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    cipher.init(Cipher.WRAP_MODE, nymKey);
    byte[] encKeyBytes = cipher.wrap(aesSecret);

    buff.putInt(encKeyBytes.length);
    buff.put(encKeyBytes);
    buff.putInt(vector.getIV().length);
    buff.put(vector.getIV());
    buff.put(encrypted);
    buff.flip();

    return buff;
}

From source file:me.whitmarbut.mfa.TOTP.java

private byte[] getHmac(int timestamp, byte[] key) throws NoSuchAlgorithmException, InvalidKeyException {
    SecretKeySpec key_spec = new SecretKeySpec(key, "HmacSHA1");
    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(key_spec);//from   ww w  .  j a v  a 2  s .  c o  m
    byte[] bin_timestamp = ByteBuffer.allocate(4).putInt(timestamp).array();

    ByteBuffer bbuff = ByteBuffer.allocate(8);
    bbuff.putInt(0); //Left pad 4 bytes to make a 64 bit int
    bbuff.putInt(timestamp);

    return mac.doFinal(bbuff.array());
}

From source file:com.eventsourcing.layout.binary.ByteArrayBinarySerializer.java

@Override
public void serialize(Object value, ByteBuffer buffer) {
    byte[] bytes = getPrimitiveArray(value);
    buffer.putInt(bytes.length);
    buffer.put(bytes);//www  . ja va  2s .  c  o  m
}

From source file:MainClass.java

public void run() {
    try {/*from  w w w  .  j  ava2  s  .c  o  m*/
        ByteBuffer buffer = ByteBuffer.allocate(4);
        buffer.putInt(this.howMany);
        buffer.flip();
        while (buffer.hasRemaining())
            out.write(buffer);

        for (int i = 0; i < howMany; i++) {
            byte[] data = new BigInteger(Integer.toString(i)).toByteArray();
            buffer = ByteBuffer.allocate(4 + data.length);

            buffer.putInt(data.length);
            buffer.put(data);
            buffer.flip();

            while (buffer.hasRemaining())
                out.write(buffer);
        }
        out.close();
        System.err.println("Closed");
    } catch (IOException ex) {
        System.err.println(ex);
    }
}

From source file:org.hobbit.core.rabbit.SimpleFileSender.java

public void streamData(InputStream is, String name) throws IOException {
    int messageId = 0;
    int length = 0;
    byte[] nameBytes = RabbitMQUtils.writeString(name);
    byte[] array = new byte[messageSize + nameBytes.length + 8];
    ByteBuffer buffer = ByteBuffer.wrap(array);
    buffer.putInt(nameBytes.length);
    buffer.put(nameBytes);// w  ww  .ja v  a  2  s. c  om
    int messageIdPos = buffer.position();
    int dataStartPos = messageIdPos + 4;
    do {
        buffer.position(messageIdPos);
        buffer.putInt(messageId);
        length = is.read(array, dataStartPos, array.length - dataStartPos);
        queue.channel.basicPublish("", queue.name, MessageProperties.MINIMAL_PERSISTENT_BASIC,
                Arrays.copyOf(array, (length > 0) ? (dataStartPos + length) : dataStartPos));
        ++messageId;
    } while (length > 0);
}

From source file:org.onlab.packet.MplsTest.java

@Before
public void setUp() throws Exception {
    // Replace normal deserializer map with an empty map. This will cause
    // the DataDeserializer to be used which will silently handle 0-byte input.
    MPLS.protocolDeserializerMap = new HashMap<>();

    deserializer = MPLS.deserializer();//  ww  w  . java  2s  . c o m

    ByteBuffer bb = ByteBuffer.allocate(MPLS.HEADER_LENGTH);
    bb.putInt(((label & 0x000fffff) << 12) | ((bos & 0x1) << 8 | (ttl & 0xff)));

    bytes = bb.array();
}

From source file:org.springframework.integration.ip.tcp.converter.ByteArrayLengthHeaderConverter.java

/**
 * Writes the byte[] to the output stream, preceded by a 4 byte
 * length in network byte order (big endian).
 *//*from  w w w.  j a v a 2  s  . com*/
public void convert(byte[] bytes, OutputStream outputStream) throws IOException {
    ByteBuffer lengthPart = ByteBuffer.allocate(4);
    lengthPart.putInt(bytes.length);
    outputStream.write(lengthPart.array());
    outputStream.write(bytes);
    outputStream.flush();
}