List of usage examples for com.google.common.primitives Longs toByteArray
public static byte[] toByteArray(long value)
From source file:io.warp10.script.functions.TOHHCODE.java
@Override public Object apply(WarpScriptStack stack) throws WarpScriptException { Object lon = stack.pop();// w w w. jav a2 s. com Object lat = stack.pop(); if (!(lon instanceof Number) && !(lat instanceof Number)) { throw new WarpScriptException(getName() + " expects a latitude and a longitude on the stack."); } long geoxppoint = GeoXPLib.toGeoXPPoint(((Number) lat).doubleValue(), ((Number) lon).doubleValue()); String hhcode = Hex.encodeHexString(Longs.toByteArray(geoxppoint)); stack.push(hhcode); return stack; }
From source file:integrationtests.ITUtils.java
/** * Encodes the provided value as a {@link ByteBuffer} * * @param value The value to encode/*from w w w .j av a 2s .c o m*/ * @return The buffer representing the provided value */ public static ByteBuffer encodeValue(final long value) { return ByteBuffer.wrap(Longs.toByteArray(value)); }
From source file:com.outerspacecat.util.Cookies.java
/** * Generates a session cookie value. Uses the algorithm described in <a * href="http://www.cse.msu.edu/~alexliu/publications/Cookie/cookie.pdf">A * Secure Cookie Protocol</a>.//from w w w.j ava 2s . c o m * <p> * The paper recommends using an SSL session key for the {@code sessionKey} * parameter, another possibility is to use a client IP address. Since both of * these approaches have flaws (SSL renegotiation and NAT respectively), an * empty array may be used if the risk of replay attacks is acceptable. Replay * attack risk may also be mitigated by expiring the cookie after a certain * amount of time. * * @param id a user identifier. Must be non {@code null}. * @param data optional data to be stored in the cookie. The data will be * encrypted using {@code key}. Must be non {@code null}, may be empty. * @param sessionKey optional information to prevent replay attacks. Must be * non {@code null}, may be empty. * @param key a secret server key. Must be non {@code null}, may be any * length. * @return a session cookie value. Never {@code null}. */ public static String generateSessionCookie(final byte[] id, final byte[] data, final byte[] sessionKey, final byte[] key) { Preconditions.checkNotNull(id, "id required"); Preconditions.checkNotNull(data, "data required"); Preconditions.checkNotNull(sessionKey, "sessionKey required"); Preconditions.checkNotNull(key, "key required"); byte[] created = Longs.toByteArray(System.currentTimeMillis()); byte[] k = Utils.hmacSha1(Bytes.concat(id, created), key); byte[] hmac = Utils.hmacSha1(Bytes.concat(id, created, data, sessionKey), k); Tuple2<byte[], byte[]> aesPair = Utils.encryptAes128Cbc(data, Utils.md5(k)); StringBuilder sb = new StringBuilder( 6 + id.length * 2 + created.length * 2 + 32 + aesPair.getB().length * 2 + hmac.length * 2); sb.append("1$").append(Utils.toHex(id)).append('$').append(Utils.toHex(created)).append('$') .append(Utils.toHex(aesPair.getA())).append('$').append(Utils.toHex(aesPair.getB())).append('$') .append(Utils.toHex(hmac)); return sb.toString(); }
From source file:org.apache.tephra.visibility.ReadFence.java
@Override public Collection<byte[]> getTxChanges() { if (tx == null) { throw new IllegalStateException("Transaction has not started yet"); }//from w ww. j a v a2s .co m return Collections.singleton(Bytes.concat(fenceId, Longs.toByteArray(tx.getTransactionId()))); }
From source file:org.sfs.encryption.SecureSecret.java
protected byte[] toBytes(long v) { return Longs.toByteArray(v); }
From source file:com.nearinfinity.honeycomb.hbase.bulkload.FieldParser.java
/** * Try to parse a string into a byte string based on a column type. * * @param val String value//from ww w.ja va2 s. c om * @param schema Column schema to base value parsing on. * @return Byte string * @throws ParseException The string value could not be parsed into the column type. */ public static ByteBuffer parse(String val, ColumnSchema schema) throws ParseException { checkNotNull(val, "Should not be parsing null. Something went terribly wrong."); checkNotNull(schema, "Column metadata is null."); ColumnType type = schema.getType(); if (val.length() == 0 && type != ColumnType.STRING && type != ColumnType.BINARY) { if (schema.getIsNullable()) { return null; } throw new IllegalArgumentException( "Expected a value for a" + " non-null SQL column, but no value was given."); } switch (type) { case LONG: return ByteBuffer.wrap(Longs.toByteArray(Long.parseLong(val))); case ULONG: BigInteger n = new BigInteger(val); if (n.compareTo(BigInteger.ZERO) == -1) { throw new IllegalArgumentException("negative value provided for unsigned column. value: " + val); } return ByteBuffer.wrap(Longs.toByteArray(n.longValue())); case DOUBLE: return ByteBuffer.wrap(Bytes.toBytes(Double.parseDouble(val))); case DATE: return extractDate(val, "yyyy-MM-dd", "yyyy-MM-dd", "yyyy/MM/dd", "yyyy.MM.dd", "yyyyMMdd"); case TIME: return extractDate(val, "HH:mm:ss", "HH:mm:ss", "HHmmss"); case DATETIME: return extractDate(val, "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm:ss", "yyyy/MM/dd HH:mm:ss", "yyyy.MM.dd HH:mm:ss", "yyyyMMdd HHmmss"); case DECIMAL: return extractDecimal(val, schema.getPrecision(), schema.getScale()); case STRING: case BINARY: default: return ByteBuffer.wrap(val.getBytes(Charset.forName("UTF-8"))); } }
From source file:com.yandex.yoctodb.util.mutable.impl.VariableLengthByteArraySortedSet.java
@Override public void writeTo(@NotNull final OutputStream os) throws IOException { // Element count os.write(Ints.toByteArray(elements.size())); // Element offsets long elementOffset = 0; for (OutputStreamWritable e : elements) { os.write(Longs.toByteArray(elementOffset)); elementOffset += e.getSizeInBytes(); }/*from w ww . j a va2 s. c o m*/ os.write(Longs.toByteArray(elementOffset)); // Elements for (OutputStreamWritable e : elements) e.writeTo(os); }
From source file:org.echocat.marquardt.example.domain.UserInfo.java
@Override public void writeTo(@Nonnull @WillNotClose final OutputStream out) throws IOException { out.write(VERSION);// ww w . j av a2s . c o m out.write(Longs.toByteArray(_userId.getMostSignificantBits())); out.write(Longs.toByteArray(_userId.getLeastSignificantBits())); }
From source file:io.warp10.crypto.CryptoUtils.java
public static byte[] addMAC(long[] key, byte[] data) { long hash = SipHashInline.hash24_palindromic(key[0], key[1], data); byte[] authenticated = Arrays.copyOf(data, data.length + 8); System.arraycopy(Longs.toByteArray(hash), 0, authenticated, data.length, 8); return authenticated; }
From source file:cn.codepub.redis.directory.io.JedisClusterStream.java
@Override public void rename(String fileLengthKey, String fileDataKey, String oldField, String newField, List<byte[]> values, long fileLength) { //add new file length jedisCluster.hset(fileLengthKey.getBytes(), newField.getBytes(), Longs.toByteArray(fileLength)); //add new file content Long blockSize = getBlockSize(fileLength); for (int i = 0; i < blockSize; i++) { jedisCluster.hset(fileDataKey.getBytes(), getBlockName(newField, i), compressFilter(values.get(i))); }/*from ww w . j a v a2 s . c o m*/ values.clear(); deleteFile(fileLengthKey, fileDataKey, oldField, blockSize); }