Example usage for java.nio ByteBuffer get

Introduction

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

Prototype

public abstract byte get(int index);

Source Link

Document

Returns the byte at the specified index and does not change the position.

Usage

From source file:com.healthmarketscience.jackcess.UsageMap.java

/**
 * @param database database that contains this usage map
 * @param pageNum Page number that this usage map is contained in
 * @param rowNum Number of the row on the page that contains this usage map
 * @return Either an InlineUsageMap or a ReferenceUsageMap, depending on
 *         which type of map is found/*from  www .  j av  a  2 s .  c  o  m*/
 */
public static UsageMap read(Database database, int pageNum, int rowNum, boolean assumeOutOfRangeBitsOn)
        throws IOException {
    JetFormat format = database.getFormat();
    PageChannel pageChannel = database.getPageChannel();
    ByteBuffer tableBuffer = pageChannel.createPageBuffer();
    pageChannel.readPage(tableBuffer, pageNum);
    short rowStart = Table.findRowStart(tableBuffer, rowNum, format);
    int rowEnd = Table.findRowEnd(tableBuffer, rowNum, format);
    tableBuffer.limit(rowEnd);
    byte mapType = tableBuffer.get(rowStart);
    UsageMap rtn = new UsageMap(database, tableBuffer, pageNum, rowStart);
    rtn.initHandler(mapType, assumeOutOfRangeBitsOn);
    return rtn;
}

From source file:com.offbynull.portmapper.natpmp.ExternalAddressNatPmpResponse.java

/**
 * Constructs a {@link ExternalAddressNatPmpResponse} object by parsing a buffer.
 * @param buffer buffer containing PCP response data
 * @throws NullPointerException if any argument is {@code null}
 * @throws BufferUnderflowException if not enough data is available in {@code buffer}
 * @throws IllegalArgumentException if the version doesn't match the expected version (must always be {@code 0}), or if the op
 * {@code != 128}, or if there's an unsuccessful/unrecognized result code
 *///from   w ww.ja  va 2  s  .c  om
public ExternalAddressNatPmpResponse(ByteBuffer buffer) {
    super(buffer);

    Validate.isTrue(getOp() == 128);

    byte[] addr = new byte[4];
    buffer.get(addr);

    try {
        address = InetAddress.getByAddress(addr);
    } catch (UnknownHostException uhe) {
        throw new IllegalStateException(uhe); // should never happen, will always be 4 bytes
    }
}

From source file:com.esri.geoevent.transport.twitter.TwitterOutboundTransport.java

@Override
public void receive(ByteBuffer bb, String channelId) {
    byte[] data = new byte[bb.remaining()];
    bb.get(data);

    postBodyOrg = "status=" + new String(data);
    postBody = OAuth.encodePostBody(postBodyOrg);
    LOGGER.debug(postBody);//from  w ww  . j  a va2  s.co  m

    // super.receive(bb, channelId);
    doHttp();
}

From source file:com.glaf.core.util.ByteBufferUtils.java

/**
 * Compare two ByteBuffer at specified offsets for length. Compares the non
 * equal bytes as unsigned./*from  w  ww  . ja v  a2  s .  c o m*/
 * 
 * @param bytes1
 *            First byte buffer to compare.
 * @param offset1
 *            Position to start the comparison at in the first array.
 * @param bytes2
 *            Second byte buffer to compare.
 * @param offset2
 *            Position to start the comparison at in the second array.
 * @param length
 *            How many bytes to compare?
 * @return -1 if byte1 is less than byte2, 1 if byte2 is less than byte1 or
 *         0 if equal.
 */
public static int compareSubArrays(ByteBuffer bytes1, int offset1, ByteBuffer bytes2, int offset2, int length) {
    if (null == bytes1) {
        if (null == bytes2)
            return 0;
        else
            return -1;
    }
    if (null == bytes2)
        return 1;

    assert bytes1.limit() >= offset1
            + length : "The first byte array isn't long enough for the specified offset and length.";
    assert bytes2.limit() >= offset2
            + length : "The second byte array isn't long enough for the specified offset and length.";
    for (int i = 0; i < length; i++) {
        byte byte1 = bytes1.get(offset1 + i);
        byte byte2 = bytes2.get(offset2 + i);
        if (byte1 == byte2)
            continue;
        // compare non-equal bytes as unsigned
        return (byte1 & 0xFF) < (byte2 & 0xFF) ? -1 : 1;
    }
    return 0;
}

From source file:org.wso2.carbon.inbound.endpoint.protocol.http2.http2Encoder.java

@Override
public int write(ByteBuffer src) throws IOException {
    while (src.hasRemaining()) {
        byte[] b;
        b = new byte[src.remaining()];
        src.get(b);

        if (src.hasRemaining())
            encoder.writeData(chContext, streamId, Unpooled.wrappedBuffer(b), 0, false, promise);
        else {/*from w w  w  . ja  va2s  .  c  o  m*/
            encoder.writeData(chContext, streamId, Unpooled.wrappedBuffer(b), 0, true, promise);
            isComplete = true;
        }

    }

    return src.position();
}

From source file:backtype.storm.messaging.TaskMessage.java

public void deserialize(ByteBuffer packet) {
    if (packet == null)
        return;// ww  w  . j av a  2s . c o m
    _task = packet.getShort();
    remoteTuple = packet.getShort();
    _message = new byte[packet.limit() - 4];
    packet.get(_message);
}

From source file:fr.jetoile.hadoopunit.test.kafka.KafkaConsumerUtils.java

private void printMessages(ByteBufferMessageSet messageSet) throws UnsupportedEncodingException {
    for (MessageAndOffset messageAndOffset : messageSet) {
        ByteBuffer payload = messageAndOffset.message().payload();
        byte[] bytes = new byte[payload.limit()];
        payload.get(bytes);
        LOG.debug(new String(bytes, "UTF-8"));
    }/*from   w w  w  .j a v  a 2  s .com*/
}

From source file:com.healthmarketscience.jackcess.impl.UsageMap.java

/**
 * @param database database that contains this usage map
 * @param pageNum Page number that this usage map is contained in
 * @param rowNum Number of the row on the page that contains this usage map
 * @return Either an InlineUsageMap or a ReferenceUsageMap, depending on
 *         which type of map is found//from  www.  j  a  v  a2 s .  co  m
 */
public static UsageMap read(DatabaseImpl database, int pageNum, int rowNum, boolean assumeOutOfRangeBitsOn)
        throws IOException {
    if (pageNum <= 0) {
        // usage maps will never appear on page 0 (or less)
        throw new IllegalStateException("Invalid usage map page number " + pageNum);
    }

    JetFormat format = database.getFormat();
    PageChannel pageChannel = database.getPageChannel();
    ByteBuffer tableBuffer = pageChannel.createPageBuffer();
    pageChannel.readPage(tableBuffer, pageNum);
    short rowStart = TableImpl.findRowStart(tableBuffer, rowNum, format);
    int rowEnd = TableImpl.findRowEnd(tableBuffer, rowNum, format);
    tableBuffer.limit(rowEnd);
    byte mapType = tableBuffer.get(rowStart);
    UsageMap rtn = new UsageMap(database, tableBuffer, pageNum, rowStart);
    rtn.initHandler(mapType, assumeOutOfRangeBitsOn);
    return rtn;
}

From source file:com.acciente.oacc.encryptor.jasypt.LegacyJasyptPasswordEncryptor.java

private byte[] getCleanedBytes(char[] password) {
    final char[] normalizedChars = TextNormalizer.getInstance().normalizeToNfc(password);
    final ByteBuffer byteBuffer = StandardCharsets.UTF_8.encode(CharBuffer.wrap(normalizedChars));
    final byte[] byteArray = new byte[byteBuffer.remaining()];
    byteBuffer.get(byteArray);
    Arrays.fill(byteBuffer.array(), (byte) 0);
    return byteArray;
}

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

public byte[] buildPacket() {
    if (requestObj == null) {
        return new byte[0];
    }/*from  ww w  .j  a v a2  s  .c  o  m*/
    ByteBuffer buffer = requestObj.pack();
    byte[] outBytes = new byte[buffer.limit()];
    buffer.get(outBytes);
    return outBytes;
}