Example usage for java.nio ByteBuffer array

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:net.jradius.freeradius.FreeRadiusListener.java

public JRadiusEvent parseRequest(ListenerRequest listenerRequest, ByteBuffer notUsed, InputStream in)
        throws Exception {
    FreeRadiusRequest request = (FreeRadiusRequest) requestObjectPool.borrowObject();
    request.setBorrowedFromPool(requestObjectPool);

    int totalLength = (int) (RadiusFormat.readUnsignedInt(in) - 4);
    int readOffset = 0;

    ByteBuffer buffer = request.buffer_in;

    if (totalLength < 0 || totalLength > buffer.capacity()) {
        return null;
    }//from w ww . j av a2  s  . c o m

    buffer.clear();
    byte[] payload = buffer.array();

    while (readOffset < totalLength) {
        int result = in.read(payload, readOffset, totalLength - readOffset);
        if (result < 0)
            return null;
        readOffset += result;
    }

    buffer.limit(totalLength);

    long nameLength = RadiusFormat.getUnsignedInt(buffer);

    if (nameLength < 0 || nameLength > 1024) {
        throw new RadiusException("KeepAlive rlm_jradius connection has been closed");
    }

    byte[] nameBytes = new byte[(int) nameLength];
    buffer.get(nameBytes);

    int messageType = RadiusFormat.getUnsignedByte(buffer);
    int packetCount = RadiusFormat.getUnsignedByte(buffer);

    RadiusPacket rp[] = PacketFactory.parse(buffer, packetCount);

    long length = RadiusFormat.getUnsignedInt(buffer);

    if (length > buffer.remaining()) {
        throw new RadiusException("bad length");
    }

    AttributeList configItems = new AttributeList();
    format.unpackAttributes(configItems, buffer, (int) length, true);

    request.setConfigItems(configItems);
    request.setSender(new String(nameBytes));
    request.setType(messageType);
    request.setPackets(rp);

    return request;
}

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From source file:com.github.mrstampy.gameboot.otp.websocket.OtpEncryptedWebSocketHandler.java

private byte[] extractArray(WebSocketSession session, BinaryMessage message) throws IOException {
    ByteBuffer buf = message.getPayload();

    if (buf.hasArray())
        return buf.array();

    int size = buf.remaining();

    if (size == 0) {
        log.error("No message, closing session {}", session);
        session.close();//w ww  . j  a  v  a 2 s  .c om
        return null;
    }

    byte[] b = new byte[size];

    buf.get(b, 0, b.length);

    return b;
}

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From source file:experts.net.ip6.ULUA.java

/**
 * Generate Global ID according to RFC 4193 Section 3.2.2.
 *
 * @param timeStamp/*from w w w.j av a2  s. c  o m*/
 *            64-bit NTP format
 */
public final void generateGlobalID(long timeStamp) {
    ByteBuffer buf = ByteBuffer.allocate(16);

    buf.putLong(timeStamp);
    interfaceID.forEach(buf::putShort);

    byte[] digest = DigestUtils.sha1(buf.array());

    buf = ByteBuffer.allocate(6);
    buf.put(GLOBAL_ID_PREFIX).put(digest, 15, 5);

    globalID = toList(buf);
}

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From source file:byps.test.TestSerializeInlineInstances.java

private void internalTestSerializeInlineInstance(Actor obj, String jsonText) throws BException {
    BOutput bout = transport.getOutput();
    bout.header.messageId = 123;//w  w w  . j ava  2s.  com
    bout.header.targetId = new BTargetId(1, 1, 2);

    bout.store(obj);

    ByteBuffer buf = bout.toByteBuffer();
    TestUtils.printBuffer(log, buf);

    if (TestUtils.protocol == BProtocolJson.BINARY_MODEL && jsonText != null) {
        try {
            String jsonTextR = new String(buf.array(), buf.position(), buf.limit(), "UTF-8");
            TestUtils.assertEquals(log, "jsonText", jsonText, jsonTextR);
        } catch (UnsupportedEncodingException ignored) {
        }
    }

    BInput bin = transport.getInput(null, buf);

    Object objR = (Object) bin.load();

    TestUtils.assertEquals(log, "obj.class", obj.getClass(), objR.getClass());

    if (obj.position == null) {
        obj.position = new Matrix2D();
    }

    TestUtils.assertEquals(log, "obj", obj, objR);
}

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From source file:com.github.sebhoss.identifier.service.SuppliedIdentifiers.java

private String convertUuidToBase64(final UUID uuid) {
    final ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
    bb.putLong(uuid.getMostSignificantBits());
    bb.putLong(uuid.getLeastSignificantBits());
    return removePadding(encoder.encodeToString(bb.array()));
}

---

From source file:com.github.c77.base_driver.kobuki.KobukiPacketReader.java

public final void newPacket(ByteBuffer buff) { // look for main headers in buffer
    if (curState == parserState.INIT || curState == parserState.COMPLETE) {
        for (int i = 0; i < buff.array().length - 2; i++) { // currently ignoring -86|85 split case... should be rare
            if (buff.array()[i] == -86 && buff.array()[i + 1] == 85) { // Header 0 and Header 1 means packet
                curState = parserState.PARTIAL;
                if ((buff.array().length - i) >= (buff.array()[i + 2] + 4)) { // Whole packet is in the buffer. +3 accounts for headers and size. Don't think this is right. Change(+4 for checksum)
                    byte[] packet = new byte[byteToInt(buff.array()[i + 2]) + 2]; // make byte array of proper size. +1 just in case!!!! Needs to be + 2 to account for checksum and length
                    //If x + 2 is the length of the payload, the length of payload + length + check sum = length of payload + 2
                    System.arraycopy(buff.array(), i + 2, packet, 0, byteToInt(buff.array()[i + 2]) + 2); //copy in data needed
                    if (verifyChecksum(byteToInt(buff.array()[i + 2]) + 2, packet)) {
                        System.arraycopy(packet, 1, packet, 0, packet.length - 1);
                        goodPacket(byteToInt(buff.array()[i + 2]), packet); // send goodPacket the array and length of array.  At this point, the packet contains ONLY the payload...
                    } else {
                        //packet not valid
                    }/*  ww w. j ava  2s. co  m*/
                    curState = parserState.COMPLETE;
                } else {
                    System.arraycopy(buff.array(), i + 2, stored, 0, (buff.array().length - (i + 2))); //Copy the partial packet into the stored array (only for partial packets)
                    bytesStillNeeded = (buff.array()[i + 2] + 2) - (buff.array().length - (i + 2));
                    totalSize = buff.array()[i + 2] + 2; //This is the payload length + 2.  This accounts for both the length of the payload byte as well as the checksum byte
                    bytesStoredIndex = buff.array().length - (i + 2); //Basically, in the case of a partial packet, this variable stores the length of the partial packet
                }
            }
        }
    } else {
        System.arraycopy(buff.array(), 0, stored, bytesStoredIndex, bytesStillNeeded); //Copy in the "rest" of the packet
        if (verifyChecksum(totalSize, stored)) {
            System.arraycopy(stored, 1, stored, 0, stored.length - 1); //Get the array without the checksum or length
            goodPacket(totalSize - 2, stored);
        } else {
            //packet not valid
        }
        curState = parserState.COMPLETE;
    }
}

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From source file:com.github.ambry.commons.BlobId.java

@Override
public byte[] toBytes() {
    ByteBuffer idBuf = ByteBuffer.allocate(sizeInBytes());
    idBuf.putShort(version);/*  www. j  ava 2 s .co  m*/
    idBuf.put(partitionId.getBytes());
    idBuf.putInt(uuid.getBytes().length);
    idBuf.put(uuid.getBytes());
    return idBuf.array();
}

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From source file:com.sastix.cms.server.services.content.impl.ZipFileHandlerServiceImpl.java

@Override
public DataMaps unzip(byte[] bytes) throws IOException {
    Map<String, String> foldersMap = new HashMap<>();

    Map<String, byte[]> extractedBytesMap = new HashMap<>();
    InputStream byteInputStream = new ByteArrayInputStream(bytes);
    //validate that it is a zip file
    if (isZipFile(bytes)) {
        try {/*w ww .  j  av  a2s. co  m*/
            //get the zip file content
            ZipInputStream zis = new ZipInputStream(byteInputStream);
            //get the zipped file list entry
            ZipEntry ze = zis.getNextEntry();

            while (ze != null) {
                String fileName = ze.getName();
                if (!ze.isDirectory()) {//if entry is a directory, we should not add it as a file
                    ByteArrayOutputStream baos = new ByteArrayOutputStream();
                    try {
                        ByteBuffer bufIn = ByteBuffer.allocate(1024);
                        int bytesRead;
                        while ((bytesRead = zis.read(bufIn.array())) > 0) {
                            baos.write(bufIn.array(), 0, bytesRead);
                            bufIn.rewind();
                        }
                        bufIn.clear();
                        extractedBytesMap.put(fileName, baos.toByteArray());
                    } finally {
                        baos.close();
                    }
                } else {
                    foldersMap.put(fileName, fileName);
                }
                ze = zis.getNextEntry();
            }
            zis.closeEntry();
            zis.close();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
    DataMaps dataMaps = new DataMaps();
    dataMaps.setBytesMap(extractedBytesMap);
    dataMaps.setFoldersMap(foldersMap);
    return dataMaps;
}

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From source file:nl.salp.warcraft4j.io.HttpDataReader.java

/**
 * {@inheritDoc}/*  w  ww . j ava2 s .c  om*/
 */
@Override
protected int readData(ByteBuffer buffer) throws DataReadingException {
    try {
        int read = 0;
        byte[] dataArray;
        if (buffer.hasArray()) {
            read = responseStream.read(buffer.array());
        } else {
            byte[] data = new byte[buffer.capacity()];
            read = responseStream.read(data);
            buffer.put(data);
        }
        return read;
    } catch (IOException e) {
        throw new DataReadingException(e);
    }
}

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From source file:internal.diff.aws.service.AmazonS3ETagFileChecksumServiceImpl.java

@Override
public String calculateChecksum(Path file) throws IOException {

    long fileSize = Files.size(file);

    int parts = (int) (fileSize / S3_MULTIPART_SIZE_LIMIT_IN_BYTES);
    parts += fileSize % S3_MULTIPART_SIZE_LIMIT_IN_BYTES > 0 ? 1 : 0;

    ByteBuffer checksumBuffer = ByteBuffer.allocate(parts * 16);

    SeekableByteChannel byteChannel = Files.newByteChannel(file);

    for (int part = 0; part < parts; part++) {

        int partSizeInBytes;

        if (part < parts - 1 || fileSize % S3_MULTIPART_SIZE_LIMIT_IN_BYTES == 0) {
            partSizeInBytes = S3_MULTIPART_SIZE_LIMIT_IN_BYTES;
        } else {//from   w  ww .  j a  v  a 2  s . c  om
            partSizeInBytes = (int) (fileSize % S3_MULTIPART_SIZE_LIMIT_IN_BYTES);
        }

        ByteBuffer partBuffer = ByteBuffer.allocate(partSizeInBytes);

        boolean endOfFile;
        do {
            endOfFile = byteChannel.read(partBuffer) == -1;
        } while (!endOfFile && partBuffer.hasRemaining());

        checksumBuffer.put(DigestUtils.md5(partBuffer.array()));
    }

    if (parts > 1) {
        return DigestUtils.md5Hex(checksumBuffer.array()) + "-" + parts;
    } else {
        return Hex.encodeHexString(checksumBuffer.array());
    }
}

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