Example usage for java.nio ByteBuffer array

Introduction

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

Prototype

public final byte[] array()

Source Link

Document

Returns the byte array which this buffer is based on, if there is one.

Usage

From source file:com.intellectualcrafters.plot.uuid.UUIDFetcher.java

@SuppressWarnings("unused")
public static byte[] toBytes(final UUID uuid) {
    final ByteBuffer byteBuffer = ByteBuffer.wrap(new byte[16]);
    byteBuffer.putLong(uuid.getMostSignificantBits());
    byteBuffer.putLong(uuid.getLeastSignificantBits());
    return byteBuffer.array();
}

From source file:Main.java

public final static int countP(final ByteBuffer bb1, final ByteBuffer bb2) {
    final int end1 = bb1.limit();
    final int end2 = bb2.limit();
    final int offset1 = bb1.position();
    final int offset2 = bb2.position();
    final byte[] array1 = bb1.array();
    final byte[] array2 = bb2.array();
    return count(array1, offset1, end1, array2, offset2, end2);
}

From source file:com.openteach.diamond.network.waverider.master.MasterState.java

public static MasterState fromByteBuffer(ByteBuffer buffer) {
    ByteArrayInputStream bin = null;
    ObjectInputStream oin = null;
    try {/*from  w  ww . j  av  a  2s .  co m*/
        bin = new ByteArrayInputStream(buffer.array(), Packet.getHeaderSize() + Command.getHeaderSize(),
                buffer.remaining());
        oin = new ObjectInputStream(bin);
        return (MasterState) oin.readObject();
    } catch (IOException e) {
        logger.error(e);
        throw new RuntimeException(e);
    } catch (ClassNotFoundException e) {
        logger.error(e);
        throw new RuntimeException(e);
    } finally {
        try {
            if (oin != null) {
                oin.close();
            }
            if (bin != null) {
                bin.close();
            }
        } catch (IOException e) {
            logger.error(e);
        }
    }
}

From source file:com.liveramp.commons.util.BytesUtils.java

public static String bytesToHexString(ByteBuffer b) {
    StringBuilder result = new StringBuilder();
    for (int i = 0; i < b.remaining(); ++i) {
        final int v = b.array()[b.arrayOffset() + b.position() + i] & 0xff;
        if (i > 0) {
            result.append(" ");
        }/* w w  w.ja  va 2 s.  c  o m*/
        if (v < 16) {
            result.append("0");
        }
        result.append(Integer.toString(v, 16));
    }
    return result.toString();
}

From source file:ch.cyberduck.core.http.DelayedHttpMultipartEntity.java

private static ByteArrayBuffer encode(final Charset charset, final String input) {
    final ByteBuffer encoded = charset.encode(CharBuffer.wrap(input));
    final ByteArrayBuffer bab = new ByteArrayBuffer(encoded.remaining());
    bab.append(encoded.array(), encoded.position(), encoded.remaining());
    return bab;//www .j  av a 2 s .c o  m
}

From source file:Main.java

public static byte[] getAESkey(byte[] authKey, byte[] msgKey, boolean isOut) {
    int x = 0;/*from   www . java  2  s  . c om*/
    if (!isOut)
        x = 8;

    ByteBuffer tempA = ByteBuffer.allocate(msgKey.length + 32);
    tempA.put(msgKey);
    tempA.put(authKey, x, 32);
    byte[] a = getSHA1hash(tempA.array());

    ByteBuffer tempB = ByteBuffer.allocate(msgKey.length + 32);
    tempB.put(authKey, 32 + x, 16);
    tempB.put(msgKey);
    tempB.put(authKey, 48 + x, 16);
    byte[] b = getSHA1hash(tempB.array());

    ByteBuffer tempC = ByteBuffer.allocate(msgKey.length + 32);
    tempC.put(authKey, 64 + x, 32);
    tempC.put(msgKey);
    byte[] c = getSHA1hash(tempC.array());

    ByteBuffer key = ByteBuffer.allocate(8 + 12 + 12);
    key.put(a, 0, 8);
    key.put(b, 8, 12);
    key.put(c, 4, 12);

    return key.array();
}

From source file:com.pinterest.deployservice.common.CommonUtils.java

/**
 * TODO figure out how to use guava to achive this
 *
 * @return base64 encoded shorten UUID, e.g. 11YozyYYTvKmuUXpRDvoJA
 *//*from  w w w.  jav a  2 s.com*/
public static String getBase64UUID() {
    UUID uuid = UUID.randomUUID();
    ByteBuffer buffer = ByteBuffer.wrap(new byte[16]);
    buffer.putLong(uuid.getMostSignificantBits());
    buffer.putLong(uuid.getLeastSignificantBits());
    String base64 = BaseEncoding.base64Url().omitPadding().encode(buffer.array());
    if (base64.charAt(0) == '_') {
        return 'x' + base64.substring(1);
    }
    if (base64.charAt(0) == '-') {
        return 'X' + base64.substring(1);
    }
    return base64;
}

From source file:Main.java

public static byte[] getAESiv(byte[] authKey, byte[] msgKey, boolean isOut) {
    int x = 0;//from  w  w  w.  j a v  a  2 s .c o  m
    if (!isOut)
        x = 8;

    ByteBuffer tempA = ByteBuffer.allocate(msgKey.length + 32);
    tempA.put(msgKey);
    tempA.put(authKey, x, 32);
    byte[] a = getSHA1hash(tempA.array());

    ByteBuffer tempB = ByteBuffer.allocate(msgKey.length + 32);
    tempB.put(authKey, 32 + x, 16);
    tempB.put(msgKey);
    tempB.put(authKey, 48 + x, 16);
    byte[] b = getSHA1hash(tempB.array());

    ByteBuffer tempC = ByteBuffer.allocate(msgKey.length + 32);
    tempC.put(authKey, 64 + x, 32);
    tempC.put(msgKey);
    byte[] c = getSHA1hash(tempC.array());

    ByteBuffer tempD = ByteBuffer.allocate(msgKey.length + 32);
    tempD.put(msgKey);
    tempD.put(authKey, 96 + x, 32);
    byte[] d = getSHA1hash(tempD.array());

    ByteBuffer iv = ByteBuffer.allocate(12 + 8 + 4 + 8);
    iv.put(a, 8, 12);
    iv.put(b, 0, 8);
    iv.put(c, 16, 4);
    iv.put(d, 0, 8);

    return iv.array();
}

From source file:Main.java

public static byte[] padLeft(byte[] tgt, int len, byte padding) {
    if (tgt.length >= len) {
        return tgt;
    }// w w w.j a v a  2 s . co m
    ByteBuffer buffer = ByteBuffer.allocate(len);
    byte[] paddings = new byte[len - tgt.length];
    Arrays.fill(paddings, padding);

    buffer.put(paddings);
    buffer.put(tgt);

    return buffer.array();
}

From source file:io.card.development.recording.ManifestEntry.java

private static byte[] decompress(byte[] compressed) {
    /*//w  w  w.  j av a  2s  .c  o  m
     * DO NOT EVER USE THIS METHOD IN PRODUCTION This is horribly inefficient, but written only
     * for testing purposes.
     */

    Bitmap b = BitmapFactory.decodeByteArray(compressed, 0, compressed.length);
    ByteBuffer bb = ByteBuffer.allocate(b.getWidth() * b.getHeight() * 4);
    b.copyPixelsToBuffer(bb);
    b.recycle();

    byte[] ba = bb.array();
    byte[] singleChannel = new byte[ba.length / 4]; // 4 channels
    for (int i = 0; i < singleChannel.length; i++) {
        singleChannel[i] = ba[i * 4 + 1];
    }

    return singleChannel;
}