Example usage for java.nio ByteBuffer putLong

Introduction

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

Prototype

public abstract ByteBuffer putLong(long value);

Source Link

Document

Writes the given long to the current position and increases the position by 8.

Usage

From source file:com.palantir.atlasdb.keyvalue.cassandra.CassandraKeyValueServices.java

static ByteBuffer makeCompositeBuffer(byte[] colName, long ts) {
    assert colName.length <= 1 << 16 : "Cannot use column names larger than 64KiB, was " + colName.length;

    ByteBuffer buffer = ByteBuffer.allocate(6 /* misc */ + 8 /* timestamp */ + colName.length)
            .order(ByteOrder.BIG_ENDIAN);

    buffer.put((byte) ((colName.length >> 8) & 0xFF));
    buffer.put((byte) (colName.length & 0xFF));
    buffer.put(colName);//from   w  w w  .java 2s .  c  om
    buffer.put((byte) 0);

    buffer.put((byte) 0);
    buffer.put((byte) (8 & 0xFF));
    buffer.putLong(~ts);
    buffer.put((byte) 0);

    buffer.flip();

    return buffer;
}

From source file:org.apache.htrace.impl.PackedBuffer.java

/**
 * Write the fixed-length request frame which starts packed RPC messages.
 *///  w w w. j a  v a2 s . com
static void writeReqFrame(ByteBuffer bb, int methodId, long seq, int length) throws IOException {
    int oldPos = bb.position();
    boolean success = false;
    try {
        bb.order(ByteOrder.LITTLE_ENDIAN);
        bb.putInt(HRPC_MAGIC);
        bb.putInt(methodId);
        bb.putLong(seq);
        bb.putInt(length);
        success = true;
    } finally {
        if (!success) {
            bb.position(oldPos);
        }
    }
}

From source file:com.easemob.dataexport.utils.ConversionUtils.java

public static ByteBuffer bytebuffer(Long val) {
    ByteBuffer buf = ByteBuffer.allocate(8);
    buf.order(ByteOrder.BIG_ENDIAN);
    buf.putLong(val);
    return (ByteBuffer) buf.rewind();
}

From source file:com.easemob.dataexport.utils.ConversionUtils.java

/**
 * @param val/*from w w w  . j av  a  2  s .  c  om*/
 * @return
 */
public static byte[] bytes(Long val) {
    ByteBuffer buf = ByteBuffer.allocate(8);
    buf.order(ByteOrder.BIG_ENDIAN);
    buf.putLong(val);
    return buf.array();
}

From source file:org.pentaho.di.trans.steps.teradatabulkloader.TeraDataBulkLoaderRoutines.java

/**
 * Convert long.//from  w w  w  .j a  va  2 s . c  o m
 *
 * @param integer the integer
 * @return the byte[]
 */
static byte[] convertLong(Long integer) {
    ByteBuffer b = ByteBuffer.allocate(8).order(ByteOrder.LITTLE_ENDIAN);
    b.putLong(integer != null ? integer : 0);
    return b.array();
}

From source file:com.orange.oidc.secproxy_service.KryptoUtils.java

static String encryptJWE(byte[] bytes, Key pubRsaKey, byte[] cek) {
    // Log.d("","encryptJWE");
    try {//from  ww  w . j  a v  a2 s  .  c o  m
        // A.2.1
        // jwe header already computed as static
        // jweProtectedHeader;

        // A.2.2 Content Encryption Key (CEK)
        if (cek == null) {
            cek = generateRandomKey(256);
        }

        // Log.d("","cek: "+bytesToHex(cek));

        // A.2.3 Key Encryption
        String jweEncrypted64 = encryptRsaB64(cek, pubRsaKey);
        // Log.d("","jweEncrypted "+jweEncrypted64 );

        // A.2.4 Initialization Vector
        byte[] iv_key = generateRandomKey(128);

        // Log.d("","jweInitVector: "+bytesToHex(iv_key));
        String jweInitVector64 = encodeB64(iv_key);
        // Log.d("","jweInitVector64 "+jweInitVector64 );

        // A.2.5 Additional Authenticated Data
        byte[] aad = jweProtectedHeader.getBytes();

        // A.2.6. Content Encryption
        Cipher encrypt = Cipher.getInstance("AES/CBC/PKCS5Padding");

        // check cek result byte array
        if (cek == null || cek.length == 0 || (cek.length % 2) != 0)
            return null;
        int keySize = cek.length / 2;
        Log.d("", "Encryption AES: " + keySize * 8);

        byte aes_key[] = new byte[keySize];
        byte hmac_key[] = new byte[keySize];

        System.arraycopy(cek, 0, hmac_key, 0, keySize);
        System.arraycopy(cek, keySize, aes_key, 0, keySize);

        // Log.d("","hmac_key: "+bytesToHex(hmac_key));
        // Log.d("","aes_key: "+bytesToHex(aes_key));

        encrypt.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(aes_key, "AES"), new IvParameterSpec(iv_key));
        byte[] cryptedBytes = encrypt.doFinal(bytes);
        String cryptedBytes64 = encodeB64(cryptedBytes);

        // compute hmac
        long al = aad.length * 8;

        // concatenate aad, iv_key, cryptedBytes and al 
        byte[] hmacData = new byte[aad.length + iv_key.length + cryptedBytes.length + 8];
        int offset = 0;
        System.arraycopy(aad, offset, hmacData, 0, aad.length);
        offset += aad.length;
        System.arraycopy(iv_key, 0, hmacData, offset, iv_key.length);
        offset += iv_key.length;
        System.arraycopy(cryptedBytes, 0, hmacData, offset, cryptedBytes.length);
        offset += cryptedBytes.length;
        ByteBuffer buffer = ByteBuffer.allocate(8);
        buffer.putLong(al);
        System.arraycopy(buffer.array(), 0, hmacData, offset, 8);

        // hmac
        Mac hmac = Mac.getInstance("HmacSHA256", "SC");
        hmac.init(new SecretKeySpec(hmac_key, "HmacSHA256"));
        byte[] hmacValue = hmac.doFinal(hmacData);

        // authentication tag
        byte[] auth_tag = Arrays.copyOf(hmacValue, 16);
        String auth_tag64 = encodeB64(auth_tag);

        // A.2.7. Complete Representation
        String finalString = jweProtectedHeader + "." + jweEncrypted64 + "." + jweInitVector64 + "."
                + cryptedBytes64 + "." + auth_tag64;

        return finalString;

    } catch (Exception e) {
        e.printStackTrace();
    }

    return null;
}

From source file:org.apache.kylin.metadata.datatype.BooleanSerializer.java

@Override
public void serialize(Long value, ByteBuffer out) {
    out.putLong(value);
}

From source file:org.dashbuilder.dataset.UUIDGeneratorImpl.java

public String uuidToBase64(String str) {
    UUID uuid = UUID.fromString(str);
    ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
    bb.putLong(uuid.getMostSignificantBits());
    bb.putLong(uuid.getLeastSignificantBits());
    return Base64.encodeBase64URLSafeString(bb.array());
}

From source file:com.crushpaper.UuidlIdGenerator.java

@Override
public String getAnotherId() {
    final UUID uuid = UUID.randomUUID();
    final ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
    bb.putLong(uuid.getMostSignificantBits());
    bb.putLong(uuid.getLeastSignificantBits());
    return Base64.encodeBase64URLSafeString(bb.array());
}

From source file:org.dashbuilder.dataset.backend.BackendUUIDGenerator.java

public String uuidToBase64(String str) {
    Base64 base64 = new Base64();
    UUID uuid = UUID.fromString(str);
    ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
    bb.putLong(uuid.getMostSignificantBits());
    bb.putLong(uuid.getLeastSignificantBits());
    return base64.encodeBase64URLSafeString(bb.array());
}