Example usage for com.google.common.primitives Longs toByteArray

Introduction

In this page you can find the example usage for com.google.common.primitives Longs toByteArray.

Prototype

public static byte[] toByteArray(long value)

Source Link

Document

Returns a big-endian representation of value in an 8-element byte array; equivalent to ByteBuffer.allocate(8).putLong(value).array() .

Usage

From source file:net.bither.bitherj.utils.Utils.java

public static InetAddress parseAddressFromLong(long value) throws UnknownHostException {
    byte[] bytes;
    if (value >= Integer.MIN_VALUE && value <= Integer.MAX_VALUE) {
        bytes = Ints.toByteArray((int) value);
    } else {//from ww  w.  j a  va2  s  .c  o  m
        bytes = Longs.toByteArray(value);
    }
    return InetAddress.getByAddress(bytes);
}

From source file:io.warp10.continuum.egress.EgressFetchHandler.java

private static void wrapperDump(HttpServletResponse resp, GTSDecoderIterator iter, boolean dedup,
        boolean signed, byte[] fetchPSK) throws IOException {

    if (!signed) {
        throw new IOException("Unsigned request.");
    }/*w  ww  . j av  a 2  s . co m*/

    // Labels for Sensision
    Map<String, String> labels = new HashMap<String, String>();

    StringBuilder sb = new StringBuilder();

    OutputStream out = resp.getOutputStream();

    while (iter.hasNext()) {
        GTSDecoder decoder = iter.next();

        if (dedup) {
            decoder = decoder.dedup();
        }

        if (!decoder.next()) {
            continue;
        }

        GTSEncoder encoder = decoder.getEncoder(true);

        //
        // Build a GTSWrapper
        //

        GTSWrapper wrapper = GTSWrapperHelper.fromGTSEncoderToGTSWrapper(encoder, true);

        //      GTSWrapper wrapper = new GTSWrapper();
        //      wrapper.setBase(encoder.getBaseTimestamp());
        //      wrapper.setMetadata(encoder.getMetadata());
        //      wrapper.setCount(encoder.getCount());
        //      wrapper.setEncoded(encoder.getBytes());

        //
        // Serialize the wrapper
        //

        TSerializer serializer = new TSerializer(new TCompactProtocol.Factory());
        byte[] data = null;

        try {
            data = serializer.serialize(wrapper);
        } catch (TException te) {
            throw new IOException(te);
        }

        //
        // Output is GTSWrapperId <WSP> HASH <WSP> GTSWrapper
        //

        out.write(Hex.encode(GTSWrapperHelper.getId(wrapper)));

        out.write(' ');

        if (null != fetchPSK) {
            //
            // Compute HMac for the wrapper
            //

            long hash = SipHashInline.hash24(fetchPSK, data);

            //
            // Output the MAC before the data, as hex digits
            //

            out.write(Hex.encode(Longs.toByteArray(hash)));
        } else {
            out.write('-');
        }

        out.write(' ');

        //
        // Base64 encode the wrapper
        //

        OrderPreservingBase64.encodeToStream(data, out);
        out.write('\r');
        out.write('\n');
        out.flush();

        //
        // Sensision metrics
        //

        labels.clear();
        labels.put(SensisionConstants.SENSISION_LABEL_APPLICATION,
                wrapper.getMetadata().getLabels().get(Constants.APPLICATION_LABEL));

        Sensision.update(SensisionConstants.SENSISION_CLASS_CONTINUUM_SFETCH_WRAPPERS, Sensision.EMPTY_LABELS,
                1);
        Sensision.update(SensisionConstants.SENSISION_CLASS_CONTINUUM_SFETCH_WRAPPERS_PERAPP, labels, 1);

        Sensision.update(SensisionConstants.SENSISION_CLASS_CONTINUUM_SFETCH_WRAPPERS_SIZE,
                Sensision.EMPTY_LABELS, data.length);
        Sensision.update(SensisionConstants.SENSISION_CLASS_CONTINUUM_SFETCH_WRAPPERS_SIZE_PERAPP, labels,
                data.length);

        Sensision.update(SensisionConstants.SENSISION_CLASS_CONTINUUM_SFETCH_WRAPPERS_DATAPOINTS,
                Sensision.EMPTY_LABELS, wrapper.getCount());
        Sensision.update(SensisionConstants.SENSISION_CLASS_CONTINUUM_SFETCH_WRAPPERS_DATAPOINTS_PERAPP, labels,
                wrapper.getCount());

    }
}

From source file:com.indeed.imhotep.web.QueryServlet.java

/**
 * Produces a Base64 encoded SHA-1 hash of the query and the list of shard names/versions which has to be sorted.
 *///from w ww  . ja  va  2  s .  co  m
private String getQueryHash(String query, Collection<ShardIdWithVersion> shards, boolean csv) {
    final MessageDigest sha1;
    try {
        sha1 = MessageDigest.getInstance("SHA-1");
    } catch (NoSuchAlgorithmException e) {
        log.error("Failed to init SHA1", e);
        throw Throwables.propagate(e);
    }
    final String standardizedQuery = query.trim().replace('"', '\'').replaceAll("\\s+", " ");
    sha1.update(standardizedQuery.getBytes(UTF8_CHARSET));
    if (shards != null) {
        for (ShardIdWithVersion shard : shards) {
            sha1.update(shard.getShardId().getBytes(UTF8_CHARSET));
            sha1.update(Longs.toByteArray(shard.getVersion()));
            sha1.update(csv ? (byte) 1 : 0);
        }
    }
    sha1.update(VERSION_FOR_HASHING);
    return Base64.encodeBase64URLSafeString(sha1.digest());
}