List of usage examples for com.google.common.primitives Longs fromByteArray
public static long fromByteArray(byte[] bytes)
From source file:org.kmworks.util.misc.UUIDGenerator.java
public static UUID generate() { Calendar cal = Calendar.getInstance(); int yy = cal.get(Calendar.YEAR) - 2000; // <= 99 < 128 int ddd = cal.get(Calendar.DAY_OF_YEAR); // <= 366 < 512 long msbLong = (yy << 9) | ddd; msbLong = msbLong << 48;/*from w w w . ja v a2 s .c om*/ byte hiBytes[] = new byte[6]; ThreadLocalRandom.current().nextBytes(hiBytes); byte loBytes[] = new byte[8]; ThreadLocalRandom.current().nextBytes(loBytes); msbLong |= from6Bytes(hiBytes); long lsbLong = Longs.fromByteArray(loBytes); UUID uuid = new UUID(msbLong, lsbLong); return uuid; }
From source file:com.palantir.atlasdb.encoding.PtBytes.java
/** * Converts a byte array to a long value. Reverses {@link #toBytes(long)} */// ww w. j a v a2s. c o m public static long toLong(byte[] bytes) { return Longs.fromByteArray(bytes); }
From source file:co.paralleluniverse.galaxy.server.MainMemoryEntry.java
public MainMemoryEntry(byte[] buffer) { this.version = Longs.fromByteArray(buffer); this.data = new byte[buffer.length - (Longs.BYTES)]; System.arraycopy(buffer, Longs.BYTES, data, 0, data.length); }
From source file:com.yandex.yoctodb.util.UnsignedByteArrays.java
public static long toLong(@NotNull final UnsignedByteArray bytes) { if (bytes.length() != Longs.BYTES) throw new IllegalArgumentException("Wrong length"); return Longs.fromByteArray(bytes.data) ^ Long.MIN_VALUE; }
From source file:com.google.template.soy.msgs.SoyMsgIdConverter.java
/** * Converts received message ID strings, as rendered by the Soy <code>msgId</code> function, into * a list of long message IDs.//from w ww.j av a 2s. c o m * * <p>The message IDs are generated by Soy as Base64 web safe ("base64url")-encoded int64s. * * <p>For example, "URTo5tnzILU=" = [0x51 0x14 0xe8 0xe6 0xd9 0xf3 0x20 0xb5] = 0x5114e8e6d9f320b5 * = 5842550694803087541. * * @throws IllegalArgumentException if any of the strings fails to decode into message IDs, is too * long or too short. */ public static ImmutableList<Long> convertSoyMessageIdStrings(Iterable<String> encodedIds) { ImmutableList.Builder<Long> messageIds = ImmutableList.builder(); for (String encodedId : encodedIds) { byte[] decodedBytes = BaseEncoding.base64Url().decode(encodedId); if (decodedBytes.length != Long.BYTES) { throw new IllegalArgumentException( String.format("The message ID to decode ('%s') was of invalid size (%d != %d)", encodedId, decodedBytes.length, Long.BYTES)); } messageIds.add(Longs.fromByteArray(decodedBytes)); } return messageIds.build(); }
From source file:org.apache.hadoop.mapred.nativetask.testutil.BytesFactory.java
public static void updateObject(Writable obj, byte[] seed) { if (obj instanceof IntWritable) { ((IntWritable) obj).set(Ints.fromByteArray(seed)); } else if (obj instanceof FloatWritable) { ((FloatWritable) obj).set(r.nextFloat()); } else if (obj instanceof DoubleWritable) { ((DoubleWritable) obj).set(r.nextDouble()); } else if (obj instanceof LongWritable) { ((LongWritable) obj).set(Longs.fromByteArray(seed)); } else if (obj instanceof VIntWritable) { ((VIntWritable) obj).set(Ints.fromByteArray(seed)); } else if (obj instanceof VLongWritable) { ((VLongWritable) obj).set(Longs.fromByteArray(seed)); } else if (obj instanceof BooleanWritable) { ((BooleanWritable) obj).set(seed[0] % 2 == 1 ? true : false); } else if (obj instanceof Text) { ((Text) obj).set(BytesUtil.toStringBinary(seed)); } else if (obj instanceof ByteWritable) { ((ByteWritable) obj).set(seed.length > 0 ? seed[0] : 0); } else if (obj instanceof BytesWritable) { ((BytesWritable) obj).set(seed, 0, seed.length); } else if (obj instanceof UTF8) { ((UTF8) obj).set(BytesUtil.toStringBinary(seed)); } else if (obj instanceof MockValueClass) { ((MockValueClass) obj).set(seed); } else {/*from w w w . ja va2s .c o m*/ throw new IllegalArgumentException("unknown writable: " + obj.getClass().getName()); } }
From source file:org.onosproject.ipfix.packet.SamplingDataRecord.java
public static SamplingDataRecord parse(byte[] data) throws HeaderException { try {//w w w. j a v a2 s . com if (data.length < HEADER_LENGTH) { throw new HeaderException("Data array too short."); } SamplingDataRecord sdr = new SamplingDataRecord(); // observationDomainId byte[] observationDomainId = new byte[4]; System.arraycopy(data, 0, observationDomainId, 0, 4); sdr.setObservationDomainId(Longs.fromByteArray(observationDomainId)); // selectorAlgorithm byte[] selectorAlgorithm = new byte[2]; System.arraycopy(data, 4, selectorAlgorithm, 0, 2); sdr.setSelectorAlgorithm(Ints.fromByteArray(selectorAlgorithm)); // samplingPacketInterval byte[] samplingPacketInterval = new byte[4]; System.arraycopy(data, 6, samplingPacketInterval, 0, 4); sdr.setSamplingPacketInterval(Longs.fromByteArray(samplingPacketInterval)); // samplingPacketSpace byte[] samplingPacketSpace = new byte[4]; System.arraycopy(data, 10, samplingPacketSpace, 0, 4); sdr.setSamplingPacketSpace(Longs.fromByteArray(samplingPacketSpace)); return sdr; } catch (Exception e) { throw new HeaderException("Parse error: " + e.getMessage()); } }
From source file:net.bither.adapter.TransactionListAdapter.java
@Override public long getItemId(int position) { return Longs.fromByteArray(transactions.get(position).getTxHash()); }
From source file:io.warp10.script.functions.HHCODETO.java
@Override public Object apply(WarpScriptStack stack) throws WarpScriptException { Object hhcode = stack.pop();/*from w ww. j a v a 2 s . co m*/ double[] latlon = null; if (hhcode instanceof Long) { latlon = GeoXPLib.fromGeoXPPoint((long) hhcode); } else if (hhcode instanceof String) { long hh = new BigInteger(hhcode.toString(), 16).longValue(); latlon = GeoXPLib.fromGeoXPPoint(hh); } else if (hhcode instanceof byte[]) { long hh = Longs.fromByteArray((byte[]) hhcode); latlon = GeoXPLib.fromGeoXPPoint(hh); } else { throw new WarpScriptException(getName() + " expects a long, a string or a byte array."); } stack.push(latlon[0]); stack.push(latlon[1]); return stack; }
From source file:org.apache.flume.event.EventHelper.java
public static String dumpEvent(Event event, int maxBytes) { StringBuilder buffer = new StringBuilder(); Map<String, String> headers = event.getHeaders(); if (event.getBody() == null) { buffer.append("null"); } else if (event.getBody().length == 0) { // do nothing... in this case, HexDump.dump() will throw an exception } else {//from www. j a v a2 s . co m byte[] body = event.getBody(); String bodyType = null; String bodyCharset = null; if (headers != null) { bodyType = headers.get(Event.bodyType); bodyCharset = headers.get(Event.bodyCharset); for (Map.Entry<String, String> entry : headers.entrySet()) { MDC.put(entry.getKey(), entry.getValue()); } } if (bodyCharset == null) bodyCharset = "UTF-8"; if ("long".equals(bodyType)) { return "" + Longs.fromByteArray(body); } if ("string".equals(bodyType)) { return fromBytes(body, bodyCharset); } byte[] data = Arrays.copyOf(body, Math.min(body.length, maxBytes)); ByteArrayOutputStream out = new ByteArrayOutputStream(); try { HexDump.dump(data, 0, out, 0); String hexDump = new String(out.toByteArray()); // remove offset since it's not relevant for such a small dataset if (hexDump.startsWith(HEXDUMP_OFFSET)) { hexDump = hexDump.substring(HEXDUMP_OFFSET.length()); } buffer.append(hexDump); } catch (Exception e) { if (LOGGER.isInfoEnabled()) { LOGGER.info("Exception while dumping event", e); } buffer.append("...Exception while dumping: ").append(e.getMessage()); } String result = buffer.toString(); if (result.endsWith(EOL) && buffer.length() > EOL.length()) { buffer.delete(buffer.length() - EOL.length(), buffer.length()).toString(); } } return "{ headers:" + headers + " body:" + buffer + " }"; }