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:cn.iie.haiep.hbase.value.Bytes.java

/**
 * Converts the given byte buffer, from its array offset to its limit, to
 * a string. The position and the mark are ignored.
 *
 * @param buf a byte buffer/*  w  ww. ja  v a  2s .com*/
 * @return a string representation of the buffer's binary contents
 */
public static String toStringBinary(ByteBuffer buf) {
    if (buf == null)
        return "null";
    return toStringBinary(buf.array(), buf.arrayOffset(), buf.limit());
}

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From source file:io.lightlink.output.JSONResponseStream.java

public void writeFromReader(Reader reader) {
    write('"');/*  w w  w.ja v  a 2  s . c om*/
    char[] buffer = new char[16000];
    long count = 0;
    int n = 0;
    try {
        while (-1 != (n = reader.read(buffer))) {

            ByteBuffer bbuffer = CHARSET.encode(CharBuffer.wrap(buffer, 0, n));
            write(bbuffer.array(), bbuffer.remaining());

            count += n;
        }
        write('"');
        reader.close();
    } catch (IOException e) {
        throw new RuntimeException(e.toString(), e);
    }
}

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From source file:com.owncloud.android.lib.common.network.FileRequestEntity.java

@Override
public void writeRequest(final OutputStream out) throws IOException {
    //byte[] tmp = new byte[4096];
    ByteBuffer tmp = ByteBuffer.allocate(4096);
    int readResult = 0;

    //                    globally in some fashionable manner
    RandomAccessFile raf = new RandomAccessFile(mFile, "r");
    FileChannel channel = raf.getChannel();
    Iterator<OnDatatransferProgressListener> it = null;
    long transferred = 0;
    long size = mFile.length();
    if (size == 0)
        size = -1;/*from   www.j  ava2 s . c  o  m*/
    try {
        while ((readResult = channel.read(tmp)) >= 0) {
            out.write(tmp.array(), 0, readResult);
            tmp.clear();
            transferred += readResult;
            synchronized (mDataTransferListeners) {
                it = mDataTransferListeners.iterator();
                while (it.hasNext()) {
                    it.next().onTransferProgress(readResult, transferred, size, mFile.getAbsolutePath());
                }
            }
        }

    } catch (IOException io) {
        Log_OC.e("FileRequestException", io.getMessage());
        throw new RuntimeException(
                "Ugly solution to workaround the default policy of retries when the server falls while uploading ; temporal fix; really",
                io);

    } finally {
        channel.close();
        raf.close();
    }
}

---

From source file:io.lightlink.output.JSONResponseStream.java

private void writeEscapedString(String valueStr) {
    char[] chars = valueStr.toCharArray();
    StringBuffer sb = new StringBuffer(valueStr);
    for (int i = chars.length - 1; i >= 0; i--) {
        char ch = chars[i];
        switch (ch) {
        case '"':
            sb.replace(i, i + 1, STR_QUOT);
            break;
        case '\\':
            sb.replace(i, i + 1, STR_BACKSLASH);
            break;
        case '\b':
            sb.replace(i, i + 1, STR_B);
            break;
        case '\f':
            sb.replace(i, i + 1, STR_F);
            break;
        case '\n':
            sb.replace(i, i + 1, STR_N);
            break;
        case '\r':
            sb.replace(i, i + 1, STR_R);
            break;
        case '\t':
            sb.replace(i, i + 1, STR_T);
            break;
        case '/':
            sb.replace(i, i + 1, STR_SLASH);
            break;
        default://from  w  w w .  j  av a 2 s  .co  m
            //Reference: http://www.unicode.org/versions/Unicode5.1.0/
            if ((ch >= '\u0000' && ch <= '\u001F') || (ch >= '\u007F' && ch <= '\u009F')
                    || (ch >= '\u2000' && ch <= '\u20FF')) {
                StringBuilder encoded = new StringBuilder();
                String ss = Integer.toHexString(ch).toUpperCase();
                encoded.append(STR_SLASH_U);
                for (int k = 0; k < 4 - ss.length(); k++) {
                    encoded.append('0');
                }
                encoded.append(ss.toUpperCase());
                sb.replace(i, i + 1, encoded.toString());
            }
        }
    }
    ByteBuffer buffer = CHARSET.encode(sb.toString());
    write(buffer.array(), buffer.remaining());

}

---

From source file:com.spotify.heroic.metric.bigtable.BigtableBackend.java

ByteString serializeValue(double value) {
    final ByteBuffer buffer = ByteBuffer.allocate(Double.BYTES).putLong(Double.doubleToLongBits(value));
    return ByteString.copyFrom(buffer.array());
}

---

From source file:org.enotron.EnergySimulatorEndpoint.java

@PayloadRoot(namespace = NAMESPACE_URI, localPart = "listGridsimsRequest")
@ResponsePayload// ww  w  . ja va2  s  .  c o  m
public ListGridsimsResponse listGridsims() {
    ListGridsimsResponse resp = new ListGridsimsResponse();

    for (ByteBuffer simId : configuration.getSimList().keySet()) {
        Simulator sim = configuration.getSimList().get(simId);

        SimulatorDetails simDetails = new SimulatorDetails();
        simDetails.setSimulatorName(sim.getName());
        simDetails.setSimulatorUid(simId.array());
        simDetails.setSimulatorType(sim.getClass().getSimpleName());
        simDetails.setLongitude(sim.getLongitude());
        simDetails.setLatitude(sim.getLatitude());
        simDetails.setDescription(sim.getDescription());

        SimulatorDetailsAndRun sdr = new SimulatorDetailsAndRun();
        sdr.setSimulatorDetails(simDetails);

        if (execution != null) {
            try {
                SimulatorRun run = convertRunDetails(execution.getSimulatorStatus(simId.array()));
                sdr.setSimulatorRun(run);

            } catch (SimulatorException e) {
                e.printStackTrace();
            }
        }
        resp.getSimulatorDetails().add(sdr);
    }

    return resp;
}

---

From source file:com.netflix.spectator.tdigest.Json.java

/** Encode the measurement using the generator. */
void encode(Map<String, String> commonTags, TDigestMeasurement m, JsonGenerator gen) throws IOException {
    TDigest digest = m.value();//w w w. j a  va 2s  . c  om
    digest.compress();
    ByteBuffer buf = ByteBuffer.allocate(digest.byteSize());
    digest.asBytes(buf);

    gen.writeStartArray();
    gen.writeStartObject();
    gen.writeStringField("name", m.id().name());
    for (Map.Entry<String, String> e : commonTags.entrySet()) {
        gen.writeStringField(e.getKey(), e.getValue());
    }
    for (Tag t : m.id().tags()) {
        gen.writeStringField(t.key(), t.value());
    }
    gen.writeEndObject();
    gen.writeNumber(m.timestamp());
    gen.writeBinary(buf.array());
    gen.writeEndArray();
}

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From source file:cn.iie.haiep.hbase.value.Bytes.java

/**
 * Returns a new byte array, copied from the passed ByteBuffer.
 * @param bb A ByteBuffer//from   w w w .  j av a 2  s. co  m
 * @return the byte array
 */
public static byte[] toBytes(ByteBuffer bb) {
    int length = bb.limit();
    byte[] result = new byte[length];
    System.arraycopy(bb.array(), bb.arrayOffset(), result, 0, length);
    return result;
}

---

From source file:bamboo.openhash.fileshare.FileShare.java

public void write() {
    logger.debug("write");

    if (is != null) {
        while (ready.size() < MAX_BUFFER) {
            ByteBuffer bb = ByteBuffer.wrap(new byte[1024]);
            bb.putInt(0);//  w  w w .java2  s . c o  m
            int len = 0;
            try {
                len = is.read(bb.array(), 4, bb.limit() - 4);
            } catch (IOException e) {
                is = null;
                break;
            }
            if (len == -1) {
                is = null;
                break;
            }
            logger.debug("position=" + bb.position() + " read " + len + " bytes");
            // We're going to flip this later, so set the position
            // where we want the limit to end up.
            bb.position(len + 4);
            wblocks.elementAt(0).addLast(bb);
            logger.debug("read a block");
            if (wblocks.elementAt(0).size() == BRANCHING)
                make_parents(false);
        }
        if (is == null) {
            make_parents(true);
            // There should now be only one non-empty level, at it
            // should have exactly one block in it.
            for (int l = 0; l < wblocks.size(); ++l) {
                if (!wblocks.elementAt(l).isEmpty()) {
                    ByteBuffer bb = wblocks.elementAt(l).removeFirst();
                    bb.flip();
                    md.update(secret);
                    md.update(bb.array(), 0, bb.limit());
                    byte[] dig = md.digest();
                    StringBuffer sb = new StringBuffer(100);
                    bytes_to_sbuf(dig, 0, dig.length, false, sb);
                    logger.info("root digest is 0x" + sb.toString());
                    ready.addLast(new Pair<byte[], ByteBuffer>(dig, bb));
                    break;
                }
            }
        }
    }

    // Do put.

    if (ready.isEmpty()) {
        if (outstanding == 0) {
            logger.info("all puts finished successfully");
            System.exit(0);
        }
    } else {
        Pair<byte[], ByteBuffer> head = ready.removeFirst();
        outstanding++;

        bamboo_put_args put = new bamboo_put_args();
        put.application = APPLICATION;
        // GatewayClient will fill in put.client_library
        put.value = new bamboo_value();
        if (head.second.limit() == head.second.array().length)
            put.value.value = head.second.array();
        else {
            put.value.value = new byte[head.second.limit()];
            head.second.get(put.value.value);
        }
        put.key = new bamboo_key();
        put.key.value = head.first;
        put.ttl_sec = 3600; // TODO

        StringBuffer sb = new StringBuffer(100);
        bytes_to_sbuf(head.first, 0, head.first.length, false, sb);
        logger.debug("putting block size=" + put.value.value.length + " key=0x" + sb.toString());
        client.put(put, curry(put_done_cb, put));
    }
}

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From source file:edu.berkeley.sparrow.examples.FairnessTestingFrontend.java

public List<TTaskSpec> generateJob(int numTasks, int numPreferredNodes, List<String> backends, int benchmarkId,
        int benchmarkIterations) {
    // Pack task parameters
    ByteBuffer message = ByteBuffer.allocate(8);
    message.putInt(benchmarkId);//from   w  w  w.j av  a 2  s  .c om
    message.putInt(benchmarkIterations);

    List<TTaskSpec> out = new ArrayList<TTaskSpec>();
    for (int taskId = 0; taskId < numTasks; taskId++) {
        TTaskSpec spec = new TTaskSpec();
        spec.setTaskId(Integer.toString((new Random().nextInt())));
        spec.setMessage(message.array());
        if (numPreferredNodes > 0) {
            Collections.shuffle(backends);
            TPlacementPreference preference = new TPlacementPreference();
            for (int i = 0; i < numPreferredNodes; i++) {
                preference.addToNodes(backends.get(i));
            }
            spec.setPreference(preference);
        }
        out.add(spec);
    }
    return out;
}

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