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.amazonaws.services.kinesis.model.transform.PutRecordRequestMarshallerTest.java

@Ignore
@Test/*from   ww  w  . j  av  a  2s.c o  m*/
public void test() throws Exception {
    PutRecordRequest putRecordRequest = new PutRecordRequest();
    putRecordRequest.setStreamName("stream name");
    putRecordRequest.setSequenceNumberForOrdering("sequence number for ordering");
    putRecordRequest.setPartitionKey("partition key");
    String randomStr = RandomStringUtils.random(128 * 1024);
    putRecordRequest.setData(ByteBuffer.wrap(randomStr.getBytes(StringUtils.UTF8)));
    PutRecordRequestMarshaller marshaller = new PutRecordRequestMarshaller();
    Request<PutRecordRequest> request = marshaller.marshall(putRecordRequest);

    assertEquals("content encoding", "gzip", request.getHeaders().get("Content-Encoding"));
    byte[] content = IOUtils.toByteArray(request.getContent());
    assertEquals("content length", request.getHeaders().get("Content-Length"), String.valueOf(content.length));
    GZIPInputStream gis = new GZIPInputStream(new ByteArrayInputStream(content));
    String str = IOUtils.toString(gis);
    Map<String, String> map = JsonUtils.jsonToMap(str);
    assertEquals("StreamName", "stream name", map.get("StreamName"));
    String data = new String(BinaryUtils.fromBase64(map.get("Data")), StringUtils.UTF8);
    assertEquals("same data", randomStr, data);
}

From source file:com.cloudera.science.avrostarter.Main.java

public Call makeCall(String center, String queue, String date, String fileName, byte[] data) {
    return Call.newBuilder().setCallCenter(center).setQueue(queue).setDateString(date).setFilename(fileName)
            .setData(ByteBuffer.wrap(data)).build();
}

From source file:it.geosolutions.geostore.core.security.password.SecurityUtils.java

/**
 * Converts byte array to char array.//from   w  w  w.  j a  v  a  2s .co m
 */
public static char[] toChars(byte[] b, Charset charset) {
    CharBuffer buff = charset.decode(ByteBuffer.wrap(b));
    char[] tmp = new char[buff.limit()];
    buff.get(tmp);
    return tmp;
}

From source file:rxweb.RxJavaServerTests.java

@Test
public void writeBuffer() throws IOException {
    server.get("/test", (request, response) -> response.status(Status.OK)
            .content(Observable.just(ByteBuffer.wrap("This is a test!".getBytes(StandardCharsets.UTF_8)))));
    String content = Request.Get("http://localhost:8080/test").execute().returnContent().asString();
    Assert.assertEquals("This is a test!", content);
}

From source file:com.amazon.kinesis.streaming.agent.processing.processors.SingleLineDataConverter.java

@Override
public ByteBuffer convert(ByteBuffer data) throws DataConversionException {
    String dataStr = ByteBuffers.toString(data, StandardCharsets.UTF_8);
    String[] lines = dataStr.split(NEW_LINE);
    for (int i = 0; i < lines.length; i++) {
        // FIXME: Shall we trim each line?
        lines[i] = lines[i].trim();//w w w. j  av a  2 s  .co m
    }

    String dataRes = StringUtils.join(lines) + NEW_LINE;
    return ByteBuffer.wrap(dataRes.getBytes(StandardCharsets.UTF_8));
}

From source file:org.ulyssis.ipp.config.Config.java

/**
 * Create a configuration from the given configuration file.
 * //from w  w w  . j  ava2s. c  o  m
 * Expects the configuration file to be UTF-8 formatted.
 */
public static Optional<Config> fromConfigurationFile(Path configFile) {
    try {
        byte[] config = Files.readAllBytes(configFile);
        Charset charset = Charset.forName("utf-8");
        String configString = charset.decode(ByteBuffer.wrap(config)).toString();
        return fromConfigurationString(configString);
    } catch (IOException e) {
        LOG.error("Error reading configuration file: {}", configFile, e);
        return Optional.empty();
    }
}

From source file:com.conwet.xjsp.features.MessageChannel.java

synchronized public void sendFragment(String fragment) throws IOException {
    ByteBuffer buffer = ByteBuffer.wrap(fragment.getBytes(StandardCharsets.UTF_8));

    try {/*w ww.j a  v a  2  s .  c  o  m*/
        while (buffer.hasRemaining()) {
            channel.write(buffer);
        }
    } catch (IOException ex) {
        logger.error("Closing connection on exception", ex);
        throw ex;
    }
}

From source file:com.inmobi.messaging.util.AuditUtil.java

private static boolean isValidHeaders(byte[] data) {
    if (data.length < HEADER_LENGTH) {
        LOG.debug("Total size of data in message is less than length of headers");
        return false;
    }/* w w  w.j a  v a2  s  . c om*/
    ByteBuffer buffer = ByteBuffer.wrap(data);
    return isValidVersion(buffer) && isValidMagicBytes(buffer) && isValidTimestamp(buffer)
            && isValidSize(buffer);
}

From source file:ec.edu.chyc.manejopersonal.util.ServerUtils.java

/***
 * Devuelve un UUID generado y codificado en Base64
 *
 * @return Uuid codificado en Base64/*w  w  w. j a va2 s  .  co  m*/
 */
public static String generateB64Uuid() {
    UUID uuid = UUID.randomUUID();
    ByteBuffer uuidBytes = ByteBuffer.wrap(new byte[16]);
    uuidBytes.putLong(uuid.getMostSignificantBits()).putLong(uuid.getLeastSignificantBits());
    String asB64 = Base64.getEncoder().encodeToString(uuidBytes.array());
    return asB64;
}

From source file:io.wcm.caravan.io.http.response.ByteArrayBody.java

private static String decodeOrDefault(byte[] data, Charset charset, String defaultValue) {
    if (data == null) {
        return defaultValue;
    }//from   w w  w . ja  va  2 s .  c  om
    checkNotNull(charset, "charset");
    try {
        return charset.newDecoder().decode(ByteBuffer.wrap(data)).toString();
    } catch (CharacterCodingException ex) {
        return defaultValue;
    }
}