Example usage for java.nio ByteBuffer array

List of usage examples for java.nio ByteBuffer array

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Introduction

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

Prototype

public final byte[] array()

Source Link

Document

Returns the byte array which this buffer is based on, if there is one.

Usage

From source file:examples.KafkaStreamsDemo.java

public static void main(String[] args) throws InterruptedException, SQLException {
    /**/*www  .j  ava  2  s . co m*/
     * The example assumes the following SQL schema
     *
     *    DROP DATABASE IF EXISTS beer_sample_sql;
     *    CREATE DATABASE beer_sample_sql CHARACTER SET utf8 COLLATE utf8_general_ci;
     *    USE beer_sample_sql;
     *
     *    CREATE TABLE breweries (
     *       id VARCHAR(256) NOT NULL,
     *       name VARCHAR(256),
     *       description TEXT,
     *       country VARCHAR(256),
     *       city VARCHAR(256),
     *       state VARCHAR(256),
     *       phone VARCHAR(40),
     *       updated_at DATETIME,
     *       PRIMARY KEY (id)
     *    );
     *
     *
     *    CREATE TABLE beers (
     *       id VARCHAR(256) NOT NULL,
     *       brewery_id VARCHAR(256) NOT NULL,
     *       name VARCHAR(256),
     *       category VARCHAR(256),
     *       style VARCHAR(256),
     *       description TEXT,
     *       abv DECIMAL(10,2),
     *       ibu DECIMAL(10,2),
     *       updated_at DATETIME,
     *       PRIMARY KEY (id)
     *    );
     */
    try {
        Class.forName("com.mysql.jdbc.Driver");
    } catch (ClassNotFoundException e) {
        System.err.println("Failed to load MySQL JDBC driver");
    }
    Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/beer_sample_sql", "root",
            "secret");
    final PreparedStatement insertBrewery = connection.prepareStatement(
            "INSERT INTO breweries (id, name, description, country, city, state, phone, updated_at)"
                    + " VALUES (?, ?, ?, ?, ?, ?, ?, ?)" + " ON DUPLICATE KEY UPDATE"
                    + " name=VALUES(name), description=VALUES(description), country=VALUES(country),"
                    + " country=VALUES(country), city=VALUES(city), state=VALUES(state),"
                    + " phone=VALUES(phone), updated_at=VALUES(updated_at)");
    final PreparedStatement insertBeer = connection.prepareStatement(
            "INSERT INTO beers (id, brewery_id, name, description, category, style, abv, ibu, updated_at)"
                    + " VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)" + " ON DUPLICATE KEY UPDATE"
                    + " brewery_id=VALUES(brewery_id), name=VALUES(name), description=VALUES(description),"
                    + " category=VALUES(category), style=VALUES(style), abv=VALUES(abv),"
                    + " ibu=VALUES(ibu), updated_at=VALUES(updated_at)");

    String schemaRegistryUrl = "http://localhost:8081";

    Properties props = new Properties();
    props.put(StreamsConfig.APPLICATION_ID_CONFIG, "streams-test");
    props.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092");
    props.put(StreamsConfig.ZOOKEEPER_CONNECT_CONFIG, "localhost:2181");
    props.put(AbstractKafkaAvroSerDeConfig.SCHEMA_REGISTRY_URL_CONFIG, schemaRegistryUrl);
    props.put(StreamsConfig.KEY_SERDE_CLASS_CONFIG, KeyAvroSerde.class);
    props.put(StreamsConfig.VALUE_SERDE_CLASS_CONFIG, ValueAvroSerde.class);

    props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");

    KStreamBuilder builder = new KStreamBuilder();

    KStream<String, GenericRecord> source = builder.stream("streaming-topic-beer-sample");

    KStream<String, JsonNode>[] documents = source.mapValues(new ValueMapper<GenericRecord, JsonNode>() {
        @Override
        public JsonNode apply(GenericRecord value) {
            ByteBuffer buf = (ByteBuffer) value.get("content");
            try {
                JsonNode doc = MAPPER.readTree(buf.array());
                return doc;
            } catch (IOException e) {
                return null;
            }
        }
    }).branch(new Predicate<String, JsonNode>() {
        @Override
        public boolean test(String key, JsonNode value) {
            return "beer".equals(value.get("type").asText()) && value.has("brewery_id") && value.has("name")
                    && value.has("description") && value.has("category") && value.has("style")
                    && value.has("abv") && value.has("ibu") && value.has("updated");
        }
    }, new Predicate<String, JsonNode>() {
        @Override
        public boolean test(String key, JsonNode value) {
            return "brewery".equals(value.get("type").asText()) && value.has("name") && value.has("description")
                    && value.has("country") && value.has("city") && value.has("state") && value.has("phone")
                    && value.has("updated");
        }
    });
    documents[0].foreach(new ForeachAction<String, JsonNode>() {
        @Override
        public void apply(String key, JsonNode value) {
            try {
                insertBeer.setString(1, key);
                insertBeer.setString(2, value.get("brewery_id").asText());
                insertBeer.setString(3, value.get("name").asText());
                insertBeer.setString(4, value.get("description").asText());
                insertBeer.setString(5, value.get("category").asText());
                insertBeer.setString(6, value.get("style").asText());
                insertBeer.setBigDecimal(7, new BigDecimal(value.get("abv").asText()));
                insertBeer.setBigDecimal(8, new BigDecimal(value.get("ibu").asText()));
                insertBeer.setDate(9, new Date(DATE_FORMAT.parse(value.get("updated").asText()).getTime()));
                insertBeer.execute();
            } catch (SQLException e) {
                System.err.println("Failed to insert record: " + key + ". " + e);
            } catch (ParseException e) {
                System.err.println("Failed to insert record: " + key + ". " + e);
            }
        }
    });
    documents[1].foreach(new ForeachAction<String, JsonNode>() {
        @Override
        public void apply(String key, JsonNode value) {
            try {
                insertBrewery.setString(1, key);
                insertBrewery.setString(2, value.get("name").asText());
                insertBrewery.setString(3, value.get("description").asText());
                insertBrewery.setString(4, value.get("country").asText());
                insertBrewery.setString(5, value.get("city").asText());
                insertBrewery.setString(6, value.get("state").asText());
                insertBrewery.setString(7, value.get("phone").asText());
                insertBrewery.setDate(8, new Date(DATE_FORMAT.parse(value.get("updated").asText()).getTime()));
                insertBrewery.execute();
            } catch (SQLException e) {
                System.err.println("Failed to insert record: " + key + ". " + e);
            } catch (ParseException e) {
                System.err.println("Failed to insert record: " + key + ". " + e);
            }
        }
    });

    final KafkaStreams streams = new KafkaStreams(builder, props);
    streams.start();
    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        @Override
        public void run() {
            streams.close();
        }
    }));
}

From source file:AmazonKinesisGet.java

public static void main(String[] args) throws Exception {
    init();/*from  ww w. j a  v a 2 s. c o  m*/

    final String myStreamName = "philsteststream";
    final Integer myStreamSize = 1;

    // list all of my streams
    ListStreamsRequest listStreamsRequest = new ListStreamsRequest();
    listStreamsRequest.setLimit(10);
    ListStreamsResult listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
    List<String> streamNames = listStreamsResult.getStreamNames();
    while (listStreamsResult.isHasMoreStreams()) {
        if (streamNames.size() > 0) {
            listStreamsRequest.setExclusiveStartStreamName(streamNames.get(streamNames.size() - 1));
        }

        listStreamsResult = kinesisClient.listStreams(listStreamsRequest);

        streamNames.addAll(listStreamsResult.getStreamNames());

    }
    LOG.info("Printing my list of streams : ");

    // print all of my streams.
    if (!streamNames.isEmpty()) {
        System.out.println("List of my streams: ");
    }
    for (int i = 0; i < streamNames.size(); i++) {
        System.out.println(streamNames.get(i));
    }

    //System.out.println(streamNames.get(0));
    String myownstream = streamNames.get(0);

    // Retrieve the Shards from a Stream
    DescribeStreamRequest describeStreamRequest = new DescribeStreamRequest();
    describeStreamRequest.setStreamName(myownstream);
    DescribeStreamResult describeStreamResult;
    List<Shard> shards = new ArrayList<>();
    String lastShardId = null;

    do {
        describeStreamRequest.setExclusiveStartShardId(lastShardId);
        describeStreamResult = kinesisClient.describeStream(describeStreamRequest);
        shards.addAll(describeStreamResult.getStreamDescription().getShards());
        if (shards.size() > 0) {
            lastShardId = shards.get(shards.size() - 1).getShardId();
        }
    } while (describeStreamResult.getStreamDescription().getHasMoreShards());

    // Get Data from the Shards in a Stream
    // Hard-coded to use only 1 shard
    String shardIterator;
    GetShardIteratorRequest getShardIteratorRequest = new GetShardIteratorRequest();
    getShardIteratorRequest.setStreamName(myownstream);
    //get(0) shows hardcoded to 1 stream
    getShardIteratorRequest.setShardId(shards.get(0).getShardId());
    // using TRIM_HORIZON but could use alternatives
    getShardIteratorRequest.setShardIteratorType("TRIM_HORIZON");

    GetShardIteratorResult getShardIteratorResult = kinesisClient.getShardIterator(getShardIteratorRequest);
    shardIterator = getShardIteratorResult.getShardIterator();

    // Continuously read data records from shard.
    List<Record> records;

    while (true) {
        // Create new GetRecordsRequest with existing shardIterator.
        // Set maximum records to return to 1000.

        GetRecordsRequest getRecordsRequest = new GetRecordsRequest();
        getRecordsRequest.setShardIterator(shardIterator);
        getRecordsRequest.setLimit(1000);

        GetRecordsResult result = kinesisClient.getRecords(getRecordsRequest);

        // Put result into record list. Result may be empty.
        records = result.getRecords();

        // Print records
        for (Record record : records) {
            ByteBuffer byteBuffer = record.getData();
            System.out.println(String.format("Seq No: %s - %s", record.getSequenceNumber(),
                    new String(byteBuffer.array())));
        }

        try {
            Thread.sleep(1000);
        } catch (InterruptedException exception) {
            throw new RuntimeException(exception);
        }

        shardIterator = result.getNextShardIterator();
    }

}

From source file:com.openteach.diamond.network.waverider.network.Packet.java

public static void main(String[] args) {
    /*System.out.println("[DEBUG] Packet Header size = " + getHeaderSize());
            //from   www .  j  ava 2s  . c  o m
    SlaveState slaveState = new SlaveState();
    slaveState.setId(1L);
    slaveState.setIsMasterCandidate(false);
    Command command = CommandFactory.createHeartbeatCommand(slaveState.toByteBuffer());
    Packet packet = Packet.newDataPacket(command);
    ByteBuffer buffer = packet.marshall();
    Packet p = Packet.unmarshall(buffer);
    Command cmd = Command.unmarshall(p.getPayLoad());
    SlaveState ss = SlaveState.fromByteBuffer(cmd.getPayLoad());
    System.out.println(cmd.toString());
            
            
    // Test 2
    MasterState masterState = new MasterState();
    masterState.setId(1L);
    masterState.setIp("127.0.0.1");
    masterState.setPort(8206);
    List<SessionState> sessionStateList = new LinkedList<SessionState>();
    masterState.setSessionStateList(sessionStateList);
    SessionState sessionState = null;
    for(int i = 0; i < 10; i++) {
       sessionState = new SessionState();
       sessionState.setIp("127.0.0.1");
       sessionState.setPriority(1L);
       sessionState.setIsMasterCandidate(false);
       sessionStateList.add(sessionState);
    }
    Command command2 = CommandFactory.createHeartbeatCommand(masterState.toByteBuffer());
    Packet packet2 = Packet.newDataPacket(command2);
    ByteBuffer buffer2 = packet2.marshall();
    Packet p2 = Packet.unmarshall(buffer2);
    Command cmd2 = Command.unmarshall(p2.getPayLoad());
    MasterState ms = MasterState.fromByteBuffer(cmd2.getPayLoad());
    System.out.println(cmd.toString());
    */

    System.out.println("[DEBUG] Packet Header size = " + getHeaderSize());

    BlockingQueue<ByteBuffer> queue = new LinkedBlockingQueue<ByteBuffer>();
    Random rand = new Random();
    int count = 0;
    int size = 0;
    for (int i = 0; i < 100000; i++) {
        SlaveState state = new SlaveState();
        state.setId(Long.valueOf(i));
        state.setIsMasterCandidate(true);
        Packet packet = Packet.newDataPacket(
                CommandFactory.createCommand(Command.AVAILABLE_COMMAND_START, state.toByteBuffer()));
        ByteBuffer buffer = packet.marshall();
        rand.setSeed(System.currentTimeMillis());
        count = rand.nextInt(100) + 1;
        size = buffer.remaining() / count;
        for (int j = 0; j < count; j++) {
            ByteBuffer buf = null;
            if (j == count - 1) {
                buf = ByteBuffer.allocate(buffer.remaining() - j * size);
                buf.put(buffer.array(), j * size, buffer.remaining() - j * size);
            } else {
                buf = ByteBuffer.allocate(size);
                buf.put(buffer.array(), j * size, size);
            }
            buf.flip();
            queue.add(buf);
        }
    }

    for (int i = 0; i < 100000; i++) {
        //Packet packet = Packet.parse(queue);
        //Command commad = Command.unmarshall(packet.getPayLoad());
        //SlaveState state = SlaveState.fromByteBuffer(commad.getPayLoad());
        //System.out.println(state.toString());
    }
}

From source file:edu.ku.brc.specify.tools.StrLocalizerApp.java

/**
  * @param args/*from   www .  ja v  a 2s.com*/
  */
public static void main(String[] args) {
    setAppName("Specify"); //$NON-NLS-1$
    System.setProperty(AppPreferences.factoryName, "edu.ku.brc.specify.config.AppPrefsDBIOIImpl"); // Needed by AppReferences //$NON-NLS-1$

    for (String s : args) {
        String[] pairs = s.split("="); //$NON-NLS-1$
        if (pairs.length == 2) {
            if (pairs[0].startsWith("-D")) //$NON-NLS-1$
            {
                //System.err.println("["+pairs[0].substring(2, pairs[0].length())+"]["+pairs[1]+"]");
                System.setProperty(pairs[0].substring(2, pairs[0].length()), pairs[1]);
            }
        } else {
            String symbol = pairs[0].substring(2, pairs[0].length());
            //System.err.println("["+symbol+"]");
            System.setProperty(symbol, symbol);
        }
    }

    // Now check the System Properties
    String appDir = System.getProperty("appdir");
    if (StringUtils.isNotEmpty(appDir)) {
        UIRegistry.setDefaultWorkingPath(appDir);
    }

    String appdatadir = System.getProperty("appdatadir");
    if (StringUtils.isNotEmpty(appdatadir)) {
        UIRegistry.setBaseAppDataDir(appdatadir);
    }

    // Then set this
    IconManager.setApplicationClass(Specify.class);
    IconManager.loadIcons(XMLHelper.getConfigDir("icons.xml")); //$NON-NLS-1$
    //ImageIcon icon = IconManager.getIcon("AppIcon", IconManager.IconSize.Std16);

    try {
        ResourceBundle.getBundle("resources", Locale.getDefault()); //$NON-NLS-1$

    } catch (MissingResourceException ex) {
        Locale.setDefault(Locale.ENGLISH);
        UIRegistry.setResourceLocale(Locale.ENGLISH);
    }

    try {
        if (!System.getProperty("os.name").equals("Mac OS X")) {
            UIManager.setLookAndFeel(new Plastic3DLookAndFeel());
            PlasticLookAndFeel.setPlasticTheme(new DesertBlue());
        }
    } catch (Exception e) {
        //whatever
    }
    AppPreferences localPrefs = AppPreferences.getLocalPrefs();
    localPrefs.setDirPath(UIRegistry.getAppDataDir());

    boolean doIt = false;
    if (doIt)

    {
        Charset utf8charset = Charset.forName("UTF-8");
        Charset iso88591charset = Charset.forName("ISO-8859-1");

        ByteBuffer inputBuffer = ByteBuffer.wrap(new byte[] { (byte) 0xC3, (byte) 0xA2 });

        // decode UTF-8
        CharBuffer data = utf8charset.decode(inputBuffer);

        // encode ISO-8559-1
        ByteBuffer outputBuffer = iso88591charset.encode(data);
        byte[] outputData = outputBuffer.array();
        System.out.println(new String(outputData));
        return;
    }

    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            try {
                UIHelper.OSTYPE osType = UIHelper.getOSType();
                if (osType == UIHelper.OSTYPE.Windows) {
                    UIManager.setLookAndFeel(new PlasticLookAndFeel());
                    PlasticLookAndFeel.setPlasticTheme(new ExperienceBlue());

                } else if (osType == UIHelper.OSTYPE.Linux) {
                    UIManager.setLookAndFeel(new PlasticLookAndFeel());
                }
            } catch (Exception e) {
                log.error("Can't change L&F: ", e); //$NON-NLS-1$
            }

            JFrame frame = new JFrame(getResourceString("StrLocalizerApp.AppTitle"));
            frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
            final StrLocalizerApp sl = new StrLocalizerApp();
            sl.addMenuBar(frame);
            frame.setContentPane(sl);
            frame.setSize(768, 1024);

            //Dimension size = frame.getPreferredSize();
            //size.height = 500;
            //frame.setSize(size);
            frame.addWindowListener(sl);
            IconManager.setApplicationClass(Specify.class);
            frame.setIconImage(IconManager.getImage(IconManager.makeIconName("SpecifyWhite32")).getImage());
            UIHelper.centerAndShow(frame);

            SwingUtilities.invokeLater(new Runnable() {
                @Override
                public void run() {
                    sl.startUp();
                }
            });
        }
    });
}

From source file:edu.ku.brc.specify.tools.l10nios.StrLocalizerAppForiOS.java

/**
  * @param args/*w ww  .  j av  a  2  s.  c  om*/
  */
public static void main(String[] args) {
    setAppName("Specify"); //$NON-NLS-1$
    System.setProperty(AppPreferences.factoryName, "edu.ku.brc.specify.config.AppPrefsDBIOIImpl"); // Needed by AppReferences //$NON-NLS-1$

    for (String s : args) {
        String[] pairs = s.split("="); //$NON-NLS-1$
        if (pairs.length == 2) {
            if (pairs[0].startsWith("-D")) //$NON-NLS-1$
            {
                //System.err.println("["+pairs[0].substring(2, pairs[0].length())+"]["+pairs[1]+"]");
                System.setProperty(pairs[0].substring(2, pairs[0].length()), pairs[1]);
            }
        } else {
            String symbol = pairs[0].substring(2, pairs[0].length());
            //System.err.println("["+symbol+"]");
            System.setProperty(symbol, symbol);
        }
    }

    // Now check the System Properties
    String appDir = System.getProperty("appdir");
    if (StringUtils.isNotEmpty(appDir)) {
        UIRegistry.setDefaultWorkingPath(appDir);
    }

    String appdatadir = System.getProperty("appdatadir");
    if (StringUtils.isNotEmpty(appdatadir)) {
        UIRegistry.setBaseAppDataDir(appdatadir);
    }

    // Then set this
    IconManager.setApplicationClass(Specify.class);
    IconManager.loadIcons(XMLHelper.getConfigDir("icons.xml")); //$NON-NLS-1$
    //ImageIcon icon = IconManager.getIcon("AppIcon", IconManager.IconSize.Std16);

    try {
        ResourceBundle.getBundle("resources", Locale.getDefault()); //$NON-NLS-1$

    } catch (MissingResourceException ex) {
        Locale.setDefault(Locale.ENGLISH);
        UIRegistry.setResourceLocale(Locale.ENGLISH);
    }

    try {
        if (!System.getProperty("os.name").equals("Mac OS X")) {
            UIManager.setLookAndFeel(new Plastic3DLookAndFeel());
            PlasticLookAndFeel.setPlasticTheme(new DesertBlue());
        }
    } catch (Exception e) {
        //whatever
    }
    AppPreferences localPrefs = AppPreferences.getLocalPrefs();
    localPrefs.setDirPath(UIRegistry.getAppDataDir());

    boolean doIt = false;
    if (doIt)

    {
        Charset utf8charset = Charset.forName("UTF-8");
        Charset iso88591charset = Charset.forName("ISO-8859-1");

        ByteBuffer inputBuffer = ByteBuffer.wrap(new byte[] { (byte) 0xC3, (byte) 0xA2 });

        // decode UTF-8
        CharBuffer data = utf8charset.decode(inputBuffer);

        // encode ISO-8559-1
        ByteBuffer outputBuffer = iso88591charset.encode(data);
        byte[] outputData = outputBuffer.array();
        System.out.println(new String(outputData));
        return;
    }

    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            try {
                UIHelper.OSTYPE osType = UIHelper.getOSType();
                if (osType == UIHelper.OSTYPE.Windows) {
                    UIManager.setLookAndFeel(new PlasticLookAndFeel());
                    PlasticLookAndFeel.setPlasticTheme(new ExperienceBlue());

                } else if (osType == UIHelper.OSTYPE.Linux) {
                    UIManager.setLookAndFeel(new PlasticLookAndFeel());
                }
            } catch (Exception e) {
                log.error("Can't change L&F: ", e); //$NON-NLS-1$
            }

            JFrame frame = new JFrame(getResourceString("StrLocalizerApp.AppTitle"));
            frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
            final StrLocalizerAppForiOS sl = new StrLocalizerAppForiOS();
            sl.addMenuBar(frame);
            frame.setContentPane(sl);
            frame.setSize(768, 1024);

            //Dimension size = frame.getPreferredSize();
            //size.height = 500;
            //frame.setSize(size);
            frame.addWindowListener(sl);
            IconManager.setApplicationClass(Specify.class);
            frame.setIconImage(IconManager.getImage(IconManager.makeIconName("SpecifyWhite32")).getImage());

            SwingUtilities.invokeLater(new Runnable() {
                @Override
                public void run() {
                    sl.startUp();
                }
            });
        }
    });
}

From source file:Main.java

public static byte[] char2byte(String encode, char... chars) {
    Charset cs = Charset.forName(encode);
    CharBuffer cb = CharBuffer.allocate(chars.length);
    cb.put(chars);/*from   w  w w .  j a  v a 2s  .  com*/
    cb.flip();
    ByteBuffer bb = cs.encode(cb);
    return bb.array();
}

From source file:Main.java

public static byte[] convertintToBytes(final int i) {
    ByteBuffer bb = ByteBuffer.allocate(4);
    bb.putInt(i);//from  www .  java  2 s  .c o  m
    return bb.array();
}

From source file:Main.java

private static byte[] encode(final Charset charset, final String string) {
    ByteBuffer encoded = charset.encode(CharBuffer.wrap(string));
    return encoded.array();
}

From source file:Main.java

public static final ByteBuffer wrap(final ByteBuffer bb) {
    return (ByteBuffer) ByteBuffer.wrap(bb.array()).limit(bb.limit()).position(bb.position());
}

From source file:Main.java

public static final byte[] md5P(final ByteBuffer bb) {
    final byte[] array = bb.array();
    final int position = bb.position();
    final int len = bb.remaining();
    return md5(array, position, len);
}