Example usage for java.nio ByteBuffer wrap

List of usage examples for java.nio ByteBuffer wrap

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Introduction

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

Prototype

public static ByteBuffer wrap(byte[] array)

Source Link

Document

Creates a new byte buffer by wrapping the given byte array.

Usage

From source file:zipkin.server.brave.BraveConfiguration.java

/** This gets the lanIP without trying to lookup its name. */
// http://stackoverflow.com/questions/8765578/get-local-ip-address-without-connecting-to-the-internet
@Bean//from  w  w  w .  j a  va 2 s  .  co m
@Scope
Endpoint local(@Value("${server.port:9411}") int port) {
    Endpoint.Builder builder = Endpoint.builder().serviceName("zipkin-server").port(port == -1 ? 0 : port);
    try {
        byte[] address = Collections.list(NetworkInterface.getNetworkInterfaces()).stream()
                .flatMap(i -> Collections.list(i.getInetAddresses()).stream())
                .filter(ip -> ip.isSiteLocalAddress()).findAny().get().getAddress();
        if (address.length == 4) {
            builder.ipv4(ByteBuffer.wrap(address).getInt());
        } else if (address.length == 16) {
            builder.ipv6(address);
        }
    } catch (Exception ignored) {
        builder.ipv4(127 << 24 | 1);
    }
    return builder.build();
}

From source file:com.rackspacecloud.blueflood.io.serializers.GaugeRollupSerializerTest.java

@Test
public void testSerializerDeserializerV1() throws Exception {
    BluefloodGaugeRollup gauge1 = BluefloodGaugeRollup.buildFromRawSamples(
            Rollups.asPoints(SimpleNumber.class, System.currentTimeMillis(), 300, new SimpleNumber(10L)));
    BluefloodGaugeRollup gauge2 = BluefloodGaugeRollup.buildFromRawSamples(Rollups.asPoints(SimpleNumber.class,
            System.currentTimeMillis() - 100, 300, new SimpleNumber(1234567L)));
    BluefloodGaugeRollup gauge3 = BluefloodGaugeRollup.buildFromRawSamples(Rollups.asPoints(SimpleNumber.class,
            System.currentTimeMillis() - 200, 300, new SimpleNumber(10.4D)));
    BluefloodGaugeRollup gaugesRollup = BluefloodGaugeRollup.buildFromGaugeRollups(Rollups
            .asPoints(BluefloodGaugeRollup.class, System.currentTimeMillis(), 300, gauge1, gauge2, gauge3));
    Assert.assertEquals(3, gaugesRollup.getCount());

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    baos.write(Base64.encodeBase64(new NumericSerializer.GaugeRollupSerializer().toByteBuffer(gauge1).array()));
    baos.write("\n".getBytes());
    baos.write(Base64.encodeBase64(new NumericSerializer.GaugeRollupSerializer().toByteBuffer(gauge2).array()));
    baos.write("\n".getBytes());
    baos.write(Base64.encodeBase64(new NumericSerializer.GaugeRollupSerializer().toByteBuffer(gauge3).array()));
    baos.write("\n".getBytes());
    baos.write(Base64//w w w. ja v  a 2  s . c  om
            .encodeBase64(new NumericSerializer.GaugeRollupSerializer().toByteBuffer(gaugesRollup).array()));
    baos.write("\n".getBytes());
    baos.close();

    BufferedReader reader = new BufferedReader(
            new InputStreamReader(new ByteArrayInputStream(baos.toByteArray())));

    ByteBuffer bb = ByteBuffer.wrap(Base64.decodeBase64(reader.readLine().getBytes()));
    BluefloodGaugeRollup deserializedGauge1 = NumericSerializer.serializerFor(BluefloodGaugeRollup.class)
            .fromByteBuffer(bb);
    Assert.assertEquals(gauge1, deserializedGauge1);

    bb = ByteBuffer.wrap(Base64.decodeBase64(reader.readLine().getBytes()));
    BluefloodGaugeRollup deserializedGauge2 = NumericSerializer.serializerFor(BluefloodGaugeRollup.class)
            .fromByteBuffer(bb);
    Assert.assertEquals(gauge2, deserializedGauge2);

    bb = ByteBuffer.wrap(Base64.decodeBase64(reader.readLine().getBytes()));
    BluefloodGaugeRollup deserializedGauge3 = NumericSerializer.serializerFor(BluefloodGaugeRollup.class)
            .fromByteBuffer(bb);
    Assert.assertEquals(gauge3, deserializedGauge3);

    bb = ByteBuffer.wrap(Base64.decodeBase64(reader.readLine().getBytes()));
    BluefloodGaugeRollup deserializedGauge4 = NumericSerializer.serializerFor(BluefloodGaugeRollup.class)
            .fromByteBuffer(bb);
    Assert.assertEquals(gaugesRollup, deserializedGauge4);

    Assert.assertFalse(deserializedGauge1.equals(deserializedGauge2));
}

From source file:edu.smu.tspell.wordnet.impl.RandomAccessReader.java

/**
 * Constructs an instance of this class, specifying the file that is to
 * be read.//from  ww w.ja va2 s .c  o m
 * 
 * @param  file File that is to be read.
 * @throws FileNotFoundException The specified file does not exist.
 */
protected RandomAccessReader(String name) throws IOException {
    super();
    InputStream stream = getClass().getResourceAsStream(name);
    if (stream == null) {
        throw new IOException("Cannot open resource: " + name);
    }
    fileSize = stream.available();
    byte[] buffer = IOUtils.toByteArray(stream);
    int read = buffer.length;
    if (read != fileSize) {
        throw new IOException("Unsuccessful read from: " + name + " " + read + " instead of " + fileSize);
    }
    accessor = ByteBuffer.wrap(buffer);
    filePointer = accessor.position();
    stream.close();
}

From source file:mastermind.RandomGenerator.java

public long getLongSeed() {
    if (isValid) {
        byte[] seed = secureRandom.generateSeed(NUM_SEED_BYTES);
        ByteBuffer byteBuffer = ByteBuffer.wrap(seed);
        return byteBuffer.getLong();
    } else {/* w  w  w . j  av a2s .com*/
        return -1;
    }
}

From source file:org.apache.asterix.experiment.action.derived.RunSQLPPFileAction.java

@Override
public void doPerform() throws Exception {
    FileOutputStream csvFileOut = new FileOutputStream(csvFilePath.toFile());
    PrintWriter printer = new PrintWriter(csvFileOut, true);
    try {//from   w  w  w. j  a  v a2  s .  c o m
        if (aqlFilePath.toFile().isDirectory()) {
            for (File f : aqlFilePath.toFile().listFiles()) {
                queriesToRun.add(f.toPath());
            }
        } else {
            queriesToRun.add(aqlFilePath);
        }

        for (Path p : queriesToRun) {
            String sqlpp = StandardCharsets.UTF_8.decode(ByteBuffer.wrap(Files.readAllBytes(p))).toString();
            String uri = MessageFormat.format(REST_URI_TEMPLATE, restHost, String.valueOf(restPort));
            HttpPost post = new HttpPost(uri);
            post.setHeader(HttpHeaders.CONTENT_TYPE, "application/json");
            post.setEntity(new StringEntity(sqlpp, StandardCharsets.UTF_8));
            long start = System.currentTimeMillis();
            HttpResponse resp = httpClient.execute(post);
            HttpEntity entity = resp.getEntity();
            if (resp.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
                throw new HttpException("Query returned error" + EntityUtils.toString(entity));
            }
            EntityUtils.consume(entity);
            long end = System.currentTimeMillis();
            long wallClock = end - start;
            String currLine = p.getFileName().toString() + ',' + wallClock;
            System.out.println(currLine);
            printer.print(currLine + '\n');
        }
    } finally {
        printer.close();
    }
}

From source file:com.ah.be.ls.processor2.TxProcessor.java

public void run() throws Exception {
    byte[] sendData = buildPacket();

    Header sendHeader = new Header();
    sendHeader.setPacketType(getPacketType());
    sendHeader.setProtocolVersion(CommConst.Protocol_Version);
    sendHeader.setLength(sendData.length);
    sendHeader.setSecretFlag(true);/*  w  w w  .  ja v  a  2 s.c  o m*/

    byte[] sendBytes = PacketUtil.join(sendHeader, sendData);

    HttpCommunication hc = new HttpCommunication(getLsMessageServerURL());
    initHttpProxySetting(hc);

    byte[] recvBytes = hc.sendAndReceive(sendBytes);

    if (recvBytes.length > 0) {
        if (recvBytes.length == 1) {
            byte a = recvBytes[0];
            log.warn("TxProcessor,result=" + a + ", no this packet type:" + this.packetType);
            throw new Exception("TxProcessor,no this transaction");
        } else {
            Header recvHeader = new Header();
            byte[] recvData = PacketUtil.split(ByteBuffer.wrap(recvBytes), recvHeader);
            if ((recvHeader.getType() != sendHeader.getType() + 1)
                    && (recvHeader.getType() != CommConst.PacketType_Error_Response)) {
                log.error("TxProcessor,response header type mismatch! require " + (sendHeader.getType() + 1)
                        + " but " + recvHeader.getType() + "!");
                throw new Exception("TxProcessor,response error");
            }
            parsePacket(recvHeader.getType(), recvData);
        }
    } else {
        throw new Exception("TxProcessor,no response");
    }
}

From source file:com.amazonaws.services.kinesis.connectors.s3.S3ManifestEmitter.java

@Override
public List<byte[]> emit(final UnmodifiableBuffer<byte[]> buffer) throws IOException {
    // Store the contents of buffer.getRecords because superclass will
    // clear the buffer on success
    List<byte[]> failed = super.emit(buffer);
    // calls S3Emitter to write objects to Amazon S3
    if (!failed.isEmpty()) {
        return buffer.getRecords();
    }//from  ww  w.  ja  v  a2 s  .c  o m
    String s3File = getS3FileName(buffer.getFirstSequenceNumber(), buffer.getLastSequenceNumber());
    // wrap the name of the Amazon S3 file as the record data
    ByteBuffer data = ByteBuffer.wrap(s3File.getBytes());
    // Put the list of file names to the manifest Amazon Kinesis stream
    PutRecordRequest putRecordRequest = new PutRecordRequest();
    putRecordRequest.setData(data);
    putRecordRequest.setStreamName(manifestStream);
    // Use constant partition key to ensure file order
    putRecordRequest.setPartitionKey(manifestStream);
    try {
        kinesisClient.putRecord(putRecordRequest);
        LOG.info("S3ManifestEmitter emitted record downstream: " + s3File);
        return Collections.emptyList();
    } catch (Exception e) {
        LOG.error(e);
        return buffer.getRecords();
    }
}

From source file:com.streamsets.pipeline.stage.it.AvroToParquetHiveIT.java

@Parameterized.Parameters(name = "type({0})")
public static Collection<Object[]> data() throws Exception {
    return Arrays.asList(new Object[][] {
            // Primitive types
            { "\"boolean\"", true, true, "BOOLEAN", Types.BOOLEAN, "0" },
            { "\"int\"", Integer.MIN_VALUE, Integer.MIN_VALUE, "INT", Types.INTEGER, "0" },
            { "\"long\"", Long.MAX_VALUE, Long.MAX_VALUE, "BIGINT", Types.BIGINT, "0" },
            // From some reason type is FLOAT, but returned object is double
            { "\"float\"", Float.NaN, Double.NaN, "FLOAT", Types.FLOAT, "0" },
            { "\"double\"", Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY, "DOUBLE", Types.DOUBLE, "0" },
            { "\"bytes\"", ByteBuffer.wrap(new byte[] { (byte) 0x00, (byte) 0xFF }),
                    new byte[] { (byte) 0x00, (byte) 0xFF }, "BINARY", Types.BINARY, "1.0" },
            { "\"string\"", new Utf8("StreamSets"), "StreamSets", "STRING", Types.VARCHAR, "1.0" },

            // Complex types are skipped for now

            // Logical types
            { DECIMAL.toString(), ByteBuffer.wrap(new byte[] { (byte) 0x0F }), new BigDecimal("2"), "DECIMAL",
                    Types.DECIMAL, "0" },
            { DATE.toString(), 17039, new java.sql.Date(116, 7, 26), "DATE", Types.DATE, "1.2" }, });
}

From source file:com.sm.store.Utils.java

public static void addOneLong(Value value) {
    ByteBuffer buf = ByteBuffer.wrap((byte[]) value.getData());
    long k = buf.getLong() + 1;
    byte[] data = putLong(k);
    value.setData(data);/*from w w w.  ja v  a2  s . c o  m*/
    value.setVersion(value.getVersion() + 1);
}

From source file:zipkin.autoconfigure.storage.mysql.brave.TraceZipkinMySQLStorageAutoConfiguration.java

/** Attach the IP of the remote datasource, knowing that DNS may invalidate this */
@Bean/*  ww  w. j  a va 2  s .  c  o  m*/
@Qualifier("mysql")
Endpoint mysql() throws UnknownHostException {
    int ipv4 = ByteBuffer.wrap(InetAddress.getByName(mysql.getHost()).getAddress()).getInt();
    return Endpoint.builder().serviceName("mysql").ipv4(ipv4).port(mysql.getPort()).build();
}