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.networknt.light.util.HashUtil.java

public static String generateUUID() {
    UUID id = UUID.randomUUID();
    ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
    bb.putLong(id.getMostSignificantBits());
    bb.putLong(id.getLeastSignificantBits());
    Base64 base64 = new Base64();
    return base64.encodeBase64URLSafeString(bb.array());
}

From source file:com.silverpeas.ical.StringUtils.java

static byte[] encodeArray(char[] chars, Charset encoding) throws CharacterCodingException {
    if (CharEncoding.US_ASCII.equals(encoding.name())) {
        byte[] array = new byte[chars.length];
        for (int i = 0; i < array.length; i++) {
            array[i] = (byte) chars[i];
        }/* ww  w  .  j a v a 2s . c  o  m*/
        return array;
    }
    ByteBuffer buffer = encoding.newEncoder().encode(CharBuffer.wrap(chars));
    byte[] array = new byte[buffer.limit()];
    System.arraycopy(buffer.array(), 0, array, 0, array.length);
    return array;
}

From source file:com.astamuse.asta4d.web.util.SecureIdGenerator.java

public static String createEncryptedURLSafeId() {
    try {//from www. j a va 2 s.c o m
        byte[] idBytes = IdGenerator.createIdBytes();

        ByteBuffer bb = ByteBuffer.allocate(idBytes.length + 4);
        bb.put(idBytes);

        // add random salt
        bb.putInt(sr.nextInt());

        MessageDigest crypt = MessageDigest.getInstance("SHA-1");
        return Base64.encodeBase64URLSafeString(crypt.digest(bb.array()));

    } catch (NoSuchAlgorithmException e) {
        // impossible
        throw new RuntimeException(e);
    }
}

From source file:Main.java

/**
 * Compares two bitmaps and gives the percentage of similarity
 *
 * @param bitmap1 input bitmap 1/*from   w w  w .  j  av  a2s .co  m*/
 * @param bitmap2 input bitmap 2
 * @return a value between 0.0 to 1.0 . Note the method will return 0.0 if either of bitmaps are null nor of same size.
 *
 */
public static float compareEquivalance(Bitmap bitmap1, Bitmap bitmap2) {

    if (bitmap1 == null || bitmap2 == null || bitmap1.getWidth() != bitmap2.getWidth()
            || bitmap1.getHeight() != bitmap2.getHeight()) {
        return 0f;
    }

    ByteBuffer buffer1 = ByteBuffer.allocate(bitmap1.getHeight() * bitmap1.getRowBytes());
    bitmap1.copyPixelsToBuffer(buffer1);

    ByteBuffer buffer2 = ByteBuffer.allocate(bitmap2.getHeight() * bitmap2.getRowBytes());
    bitmap2.copyPixelsToBuffer(buffer2);

    byte[] array1 = buffer1.array();
    byte[] array2 = buffer2.array();

    int len = array1.length; // array1 and array2 will be of some length.
    int count = 0;

    for (int i = 0; i < len; i++) {
        if (array1[i] == array2[i]) {
            count++;
        }
    }

    return ((float) (count)) / len;
}

From source file:org.brekka.phalanx.core.services.impl.AbstractCryptoService.java

private static byte[] encodePrivateKey(InternalPrivateKeyToken pkt) {
    int profileId = pkt.getKeyPair().getPrivateKey().getProfile();
    byte[] data = pkt.getPrivateKey().getEncoded();
    ByteBuffer buffer = ByteBuffer.allocate(PK_MAGIC_MARKER.length + 4 + data.length).put(PK_MAGIC_MARKER)
            .putInt(profileId).put(data);
    return buffer.array();
}

From source file:com.networknt.utility.Util.java

/**
 * Generate UUID across the entire app and it is used for correlationId.
 *
 * @return String correlationId/*from www .  jav  a 2s .co  m*/
 */
public static String getUUID() {
    UUID id = UUID.randomUUID();
    ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
    bb.putLong(id.getMostSignificantBits());
    bb.putLong(id.getLeastSignificantBits());
    return Base64.encodeBase64URLSafeString(bb.array());
}

From source file:ezbake.deployer.utilities.VersionHelper.java

public static String getVersionFromArtifact(ByteBuffer artifact) throws IOException {
    String versionNumber = null;//w  ww  .  j  a  v a2  s . c o  m
    try (CompressorInputStream uncompressedInput = new GzipCompressorInputStream(
            new ByteArrayInputStream(artifact.array()))) {
        ArchiveInputStream input = new TarArchiveInputStream(uncompressedInput);
        TarArchiveEntry entry;
        while ((entry = (TarArchiveEntry) input.getNextEntry()) != null) {
            if (!entry.isDirectory() && entry.getName().endsWith(VERSION_FILE)) {
                versionNumber = IOUtils.toString(input, Charsets.UTF_8).trim();
                break;
            }
        }
    }
    return versionNumber;
}

From source file:com.tesora.dve.db.mysql.portal.protocol.MSPAuthenticateV10MessageMessage.java

public static byte[] computeSecurePassword(String password, String salt) {
    byte[] sha1password = DigestUtils.sha1(password);
    byte[] seedbytes = salt.getBytes();
    ByteBuffer bb = ByteBuffer.allocate(sha1password.length + seedbytes.length);
    bb.put(seedbytes);// ww w. ja  v  a2  s.  co m
    bb.put(DigestUtils.sha1(sha1password));
    byte[] sha1parttwo = DigestUtils.sha1(bb.array());
    byte[] securePassword = new byte[sha1password.length];
    for (int i = 0; i < securePassword.length; ++i)
        securePassword[i] = (byte) (sha1password[i] ^ sha1parttwo[i]);
    return securePassword;
}

From source file:com.mcxiaoke.next.http.entity.mime.AbstractMultipartForm.java

private static ByteArrayBuffer encode(final Charset charset, final String string) {
    final ByteBuffer encoded = charset.encode(CharBuffer.wrap(string));
    final ByteArrayBuffer bab = new ByteArrayBuffer(encoded.remaining());
    bab.append(encoded.array(), encoded.position(), encoded.remaining());
    return bab;//from  w w  w.ja v  a2s . c  o m
}

From source file:com.sonymobile.android.media.internal.Util.java

public static MediaCrypto createMediaCrypto(MediaFormat format) throws MediaCryptoException {
    if (format.containsKey(MetaData.KEY_PLAYREADY_SESSIONID)) {
        ByteBuffer buffer = format.getByteBuffer(MetaData.KEY_PLAYREADY_SESSIONID);
        if (buffer != null) {
            return new MediaCrypto(DrmUUID.PLAY_READY, buffer.array());
        }/*from   ww w .j  a v  a 2s.  c o m*/
    } else if (format.containsKey(MetaData.KEY_MARLIN_JSON)) {
        byte[] marlinJson;
        try {
            marlinJson = format.getString(MetaData.KEY_MARLIN_JSON).getBytes("UTF-8");
        } catch (UnsupportedEncodingException e) {
            if (LOGS_ENABLED)
                Log.e(TAG, "Unsupported encoding", e);
            return null;
        }

        return new MediaCrypto(DrmUUID.MARLIN, marlinJson);
    }

    return null;
}