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:org.brekka.phalanx.core.services.impl.AbstractCryptoService.java

private InternalPrivateKeyToken decodePrivateKey(byte[] encoded, UUID idOfData, CryptoProfile cryptoProfile) {
    ByteBuffer buffer = ByteBuffer.wrap(encoded);
    byte[] marker = new byte[PK_MAGIC_MARKER.length];
    buffer.get(marker);
    if (!Arrays.equals(PK_MAGIC_MARKER, marker)) {
        throw new PhalanxException(PhalanxErrorCode.CP208,
                "CryptoData item '%s' does not appear to contain a private key", idOfData);
    }/*ww w .j  a va 2 s .  c  om*/
    int profileId = buffer.getInt();
    CryptoProfile profile = cryptoProfileService.retrieveProfile(profileId);
    byte[] data = new byte[encoded.length - (SK_MAGIC_MARKER.length + 4)];
    buffer.get(data);

    PrivateKey privateKey = phoenixAsymmetric.toPrivateKey(data, profile);
    return new InternalPrivateKeyToken(privateKey);
}

From source file:name.martingeisse.stackd.server.section.storage.CassandraSectionStorage.java

@Override
public Map<SectionDataId, byte[]> loadSectionRelatedObjects(final Collection<? extends SectionDataId> ids) {
    if (logger.isDebugEnabled()) {
        logger.debug("loading section-related objects: " + StringUtils.join(ids, ", "));
    }/*w  ww.  j  a va  2  s .co  m*/
    try {

        // convert the IDs to an array of strings
        Object[] idTexts = new String[ids.size()];
        {
            int i = 0;
            for (SectionDataId id : ids) {
                idTexts[i] = id.getIdentifierText();
                i++;
            }
        }

        // fetch the rows
        final Map<SectionDataId, byte[]> result = new HashMap<>();
        for (final Row row : fetch(QueryBuilder.in("id", idTexts))) {
            final String id = row.getString("id");
            final ByteBuffer dataBuffer = row.getBytes("data");
            final byte[] data = new byte[dataBuffer.remaining()];
            dataBuffer.get(data);
            result.put(new SectionDataId(id), data);
        }
        return result;

    } catch (final Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:org.brekka.phalanx.core.services.impl.AbstractCryptoService.java

private InternalSecretKeyToken decodeSecretKey(byte[] encoded, UUID idOfData) {
    ByteBuffer buffer = ByteBuffer.wrap(encoded);
    byte[] marker = new byte[SK_MAGIC_MARKER.length];
    buffer.get(marker);
    if (!Arrays.equals(SK_MAGIC_MARKER, marker)) {
        throw new PhalanxException(PhalanxErrorCode.CP213,
                "CryptoData item '%s' does not appear to contain a secret key", idOfData);
    }//from www.  java  2 s . c om
    int profileId = buffer.getInt();
    byte[] keyId = new byte[16];
    buffer.get(keyId);
    UUID symCryptoDataId = toUUID(keyId);
    CryptoProfile cryptoProfile = cryptoProfileService.retrieveProfile(profileId);
    byte[] data = new byte[encoded.length - (SK_MAGIC_MARKER.length + 20)];
    buffer.get(data);

    SecretKey secretKey = phoenixSymmetric.toSecretKey(data, cryptoProfile);
    SymedCryptoData symedCryptoData = new SymedCryptoData();
    symedCryptoData.setId(symCryptoDataId);
    symedCryptoData.setProfile(profileId);
    return new InternalSecretKeyToken(secretKey, symedCryptoData);
}

From source file:com.offbynull.portmapper.pcp.MapPcpResponse.java

/**
 * Constructs a {@link MapPcpResponse} 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 there's not enough or too much data remaining in the buffer, or if the version doesn't match the
 * expected version (must always be {@code 2}), or if the r-flag isn't set, or if there's an unsuccessful/unrecognized result code,
 * or if the op code doesn't match the MAP opcode, or if the response has a {@code 0} for its {@code internalPort} or
 * {@code assignedExternalPort} field, or if there were problems parsing options
 *///from  w w w.ja  v a 2s . co m
public MapPcpResponse(ByteBuffer buffer) {
    super(buffer);

    Validate.isTrue(super.getOp() == 1);

    mappingNonce = ByteBuffer.allocate(12);
    buffer.get(mappingNonce.array());
    mappingNonce = mappingNonce.asReadOnlyBuffer();
    this.protocol = buffer.get() & 0xFF;

    for (int i = 0; i < 3; i++) { // reserved block
        buffer.get();
    }

    this.internalPort = buffer.getShort() & 0xFFFF;
    this.assignedExternalPort = buffer.getShort() & 0xFFFF;
    byte[] addrArr = new byte[16];
    buffer.get(addrArr);
    try {
        this.assignedExternalIpAddress = InetAddress.getByAddress(addrArr); // should automatically shift down to ipv4 if ipv4-to-ipv6
                                                                            // mapped address
    } catch (UnknownHostException uhe) {
        throw new IllegalArgumentException(uhe); // should never happen, will always be 16 bytes
    }

    Validate.inclusiveBetween(0, 255, protocol); // should never happen
    Validate.inclusiveBetween(0, 65535, internalPort); // can be 0 if referencing all
    Validate.inclusiveBetween(0, 65535, assignedExternalPort); // can be 0 if removing

    parseOptions(buffer);
}

From source file:com.haulmont.yarg.formatters.impl.DocxFormatter.java

private String toString(ByteBuffer bb) throws UnsupportedEncodingException {
    byte[] bytes = new byte[bb.limit()];
    bb.get(bytes);
    return new String(bytes, "UTF-8");
}

From source file:edu.udo.scaffoldhunter.model.db.StringProperty.java

/**
 * Set the length in the BitFingerprint (first two bytes)
 * /*from w  ww  .  ja v a 2s.co m*/
 * @param length
 *            the length
 * @param bitFingerprint
 *            the fingerprint
 */
private void lenghtToBitFingerprint(short length, byte[] bitFingerprint) {
    ByteBuffer bb = ByteBuffer.allocate(2);
    bb.order(ByteOrder.LITTLE_ENDIAN);
    bb.putShort(length);

    bitFingerprint[0] = bb.get(0);
    bitFingerprint[1] = bb.get(1);
}

From source file:com.reactive.hzdfs.utils.Digestor.java

private void updateBytes(ByteBuffer buff) {
    int i = buff.position();
    buff.flip();//from   w  ww .  j a v a  2  s .  c o  m
    byte[] b = new byte[i];
    buff.get(b);
    if (byteArray == null)
        byteArray = b;
    else {
        i = byteArray.length;
        byteArray = Arrays.copyOf(byteArray, i + b.length);
        System.arraycopy(b, 0, byteArray, i, b.length);
    }

}

From source file:com.buaa.cfs.common.oncrpc.XDR.java

@VisibleForTesting
public byte[] getBytes() {
    ByteBuffer d = asReadOnlyWrap().buffer();
    byte[] b = new byte[d.remaining()];
    d.get(b);

    return b;/*from w w w .j a  v  a2  s. co m*/
}

From source file:com.bendb.thrifty.testing.ThriftTestHandler.java

@Override
public ByteBuffer testBinary(ByteBuffer thing) throws TException {
    int count = thing.remaining();
    byte[] data = new byte[count];
    thing.get(data);

    out.printf("testBinary(\"%s\")\n", Hex.encodeHexString(data));

    return ByteBuffer.wrap(data);
}

From source file:com.github.horrorho.inflatabledonkey.data.blob.BlobA6.java

public BlobA6(ByteBuffer blob) {
    super(blob);/*  w w  w .  jav  a 2  s  .  c  o  m*/

    if (type() != 0x000000A6) {
        // Presumed type 0x000000A6, consider throwing exception.
        logger.warn("** RespA6() - unexpected type: 0x{}", Integer.toHexString(type()));
    }

    x = blob.getInt();
    blob.get(tag);
    align(blob);

    list = new BlobLists(blob);
    if (list.size() < 3) {
        throw new IllegalArgumentException("too few blob fields: " + list.size());
    }
}