Example usage for java.nio ByteBuffer wrap

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:com.jordanwilliams.heftydb.test.generator.KeyValueGenerator.java

private ByteBuffer randomKey(int size) {
    return ByteBuffer.wrap(RandomStringUtils.randomAlphanumeric(size).getBytes());
}

From source file:com.hazelcast.simulator.probes.xml.HistogramConverter.java

@Override
public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext unmarshallingContext) {
    String encodedHistogram = reader.getValue();

    try {/*w  w  w .  j  av  a  2 s.  c o m*/
        byte[] bytes = decodeBase64(encodedHistogram);
        return decodeFromCompressedByteBuffer(ByteBuffer.wrap(bytes), 0);
    } catch (Exception e) {
        throw new IllegalArgumentException("Could not parse histogram", e);
    }
}

From source file:net.phoenix.thrift.hello.SpringHelloService.java

@Override
public ByteBuffer hello(ByteBuffer hello_request) throws TException {
    HelloRequest request;//from w  w  w. j a  v a2  s. c  o  m
    try {
        request = HelloRequest.parseFrom(
                ArrayUtils.subarray(hello_request.array(), hello_request.position(), hello_request.limit()));
    } catch (InvalidProtocolBufferException e) {
        throw new TException(e);
    }
    HelloResponse.Builder response = HelloResponse.newBuilder();
    response.setMessage("Hello " + request.getName());
    return ByteBuffer.wrap(response.build().toByteArray());
}

From source file:edu.hawaii.soest.hioos.storx.StorXParserTest.java

@Before
public void setUp() {

    // read the sample data from a binary StorX file
    try {//from ww  w. j  a v a2  s  . c  o m

        // Set up a simple logger that logs to the console
        BasicConfigurator.configure();

        // create a byte buffer from the binary file data
        storXData = this.getClass().getResourceAsStream("/edu/hawaii/soest/kilonalu/ctd/16364020.RAW");
        dataAsByteArray = IOUtils.toByteArray(storXData);
        buffer = ByteBuffer.wrap(dataAsByteArray);

        // create a parser instance and test that it succeeds
        this.parser = new StorXParser();

    } catch (IOException ioe) {
        fail("There was a problem reading the" + " data file.  The error was: " + ioe.getMessage());

    } catch (NullPointerException npe) {
        fail("There was a problem reading the" + " data file.  The error was: " + npe.getMessage());

    }

}

From source file:com.mh2c.LogGenerator.java

/**
 * Generates log lines and sends them to Kinesis.
 *
 * @param streamName Kinesis stream name
 * @param recsPerSecond number of records to send each second
 * @param numRecords total number of records to send
 *///from  ww  w  .j a v  a2 s  . co  m
public void generate(String streamName, int recsPerSecond, int numRecords) throws InterruptedException {

    AmazonKinesisClient client = new AmazonKinesisClient();

    int numPasses = (numRecords + recsPerSecond - 1) / recsPerSecond;
    int recordsLeft = numRecords;
    for (int i = 0; i < numPasses; i++) {
        int numToGenerate = Math.min(recordsLeft, recsPerSecond);
        for (int j = 0; j < numToGenerate; j++) {
            String logLine = generateLogLine();

            PutRecordRequest request = new PutRecordRequest().withStreamName(streamName)
                    .withPartitionKey(PARTITION_KEY)
                    .withData(ByteBuffer.wrap(logLine.getBytes(StandardCharsets.UTF_8)));
            PutRecordResult result = client.putRecord(request);
            System.out.println(
                    String.format("Wrote to shard %s as %s", result.getShardId(), result.getSequenceNumber()));
        }

        recordsLeft -= numToGenerate;
        if (recordsLeft > 0) {
            Thread.sleep(1000L);
        }
    }
}

From source file:com.icloud.framework.core.nio.ByteBufferUtil.java

public static ByteBuffer bytes(String s) {
    try {/* w w  w . j a  v  a  2  s  .co  m*/
        return ByteBuffer.wrap(s.getBytes("UTF-8"));
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.kotcrab.vis.editor.module.editor.AnalyticsModule.java

public static int truncateUtf8(String input, byte[] output) {
    ByteBuffer outBuf = ByteBuffer.wrap(output);
    CharBuffer inBuf = CharBuffer.wrap(input.toCharArray());

    Charset utf8 = Charset.forName("UTF-8");
    utf8.newEncoder().encode(inBuf, outBuf, true);
    return outBuf.position();
}

From source file:org.cloudfoundry.metron.MetronMetricWriterTest.java

private static void verify(Async async, Message<?, ?> message) {
    Mockito.verify(async).sendBinary(ByteBuffer.wrap(message.encode()));
}

From source file:com.datatorrent.contrib.hdht.HDHTDynamicPartitioningTest.java

public long getLong(byte[] value) throws IOException {
    ByteBuffer bb = ByteBuffer.wrap(value);
    return bb.getLong();
}

From source file:de.zalando.spring.cloud.config.aws.kms.KmsTextEncryptor.java

@Override
public String encrypt(final String text) {
    Assert.hasText(kmsKeyId, "kmsKeyId must not be blank");
    if (text == null || text.isEmpty()) {
        return EMPTY_STRING;
    } else {/* w w w  .  j  a v a  2 s  .  c o m*/
        final EncryptRequest encryptRequest = new EncryptRequest().withKeyId(kmsKeyId) //
                .withPlaintext(ByteBuffer.wrap(text.getBytes()));

        final ByteBuffer encryptedBytes = kms.encrypt(encryptRequest).getCiphertextBlob();

        return extractString(ByteBuffer.wrap(Base64.encode(encryptedBytes.array())));
    }
}