Example usage for java.nio ByteBuffer putInt

Introduction

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

Prototype

public abstract ByteBuffer putInt(int value);

Source Link

Document

Writes the given int to the current position and increases the position by 4.

Usage

From source file:edu.umass.cs.reconfiguration.reconfigurationpackets.ReconfigurationPacket.java

@Override
public byte[] toBytes() {
    byte[] body = null;
    try {/*from  ww w .  j  a  v a2 s  .  c  o m*/
        body = this.toString().getBytes(CHARSET);
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
        return null;
    }
    if (!BYTEIFICATION)
        return body;
    // else
    byte[] bytes = new byte[body.length + 4];
    ByteBuffer bbuf = ByteBuffer.wrap(bytes);
    bbuf.putInt(this.getType().getInt());
    bbuf.put(body);
    return bytes;
}

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From source file:org.wso2.carbon.databridge.receiver.binary.internal.BinaryDataReceiver.java

private String processMessage(int messageType, byte[] message, OutputStream outputStream) {
    ByteBuffer byteBuffer = ByteBuffer.wrap(message);
    int sessionIdLength;
    String sessionId;//from   w w  w .j ava 2s  .  c  om

    switch (messageType) {
    case 0: //Login
        int userNameLength = byteBuffer.getInt();
        int passwordLength = byteBuffer.getInt();

        String userName = new String(message, 8, userNameLength);
        String password = new String(message, 8 + userNameLength, passwordLength);

        try {
            sessionId = dataBridgeReceiverService.login(userName, password);

            ByteBuffer buffer = ByteBuffer.allocate(5 + sessionId.length());
            buffer.put((byte) 2);
            buffer.putInt(sessionId.length());
            buffer.put(sessionId.getBytes(BinaryMessageConstants.DEFAULT_CHARSET));

            outputStream.write(buffer.array());
            outputStream.flush();
        } catch (Exception e) {
            try {
                sendError(e, outputStream);
            } catch (IOException e1) {
                log.error("Error while sending response for login message: " + e1.getMessage(), e1);
            }
        }
        break;
    case 1://Logout
        sessionIdLength = byteBuffer.getInt();
        sessionId = new String(message, 4, sessionIdLength);
        try {
            dataBridgeReceiverService.logout(sessionId);

            outputStream.write((byte) 0);
            outputStream.flush();
        } catch (Exception e) {
            try {
                sendError(e, outputStream);
            } catch (IOException e1) {
                log.error("Error while sending response for login message: " + e1.getMessage(), e1);
            }
        }
        break;
    case 2: //Publish
        sessionIdLength = byteBuffer.getInt();
        sessionId = new String(message, 4, sessionIdLength);
        try {
            dataBridgeReceiverService.publish(message, sessionId, BinaryEventConverter.getConverter());

            outputStream.write((byte) 0);
            outputStream.flush();
        } catch (Exception e) {
            try {
                sendError(e, outputStream);
            } catch (IOException e1) {
                log.error("Error while sending response for login message: " + e1.getMessage(), e1);
            }
        }
        break;
    default:
        log.error("Message Type " + messageType + " is not supported!");
    }
    return null;
}

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From source file:org.mule.util.queue.RandomAccessFileQueueStore.java

private long writeData(byte[] data) {
    try {/*from   ww  w .j ava2  s . c o  m*/
        if (getSize() > 0) {
            queueFileProvider.getRandomAccessFile().seek(fileTotalSpace);
        }
        long filePointer = queueFileProvider.getRandomAccessFile().getFilePointer();
        int totalBytesRequired = CONTROL_DATA_SIZE + data.length;
        ByteBuffer byteBuffer = ByteBuffer.allocate(totalBytesRequired);
        byteBuffer.put(NOT_REMOVED);
        byteBuffer.putInt(data.length);
        byteBuffer.put(data);
        queueFileProvider.getRandomAccessFile().write(byteBuffer.array());
        fileTotalSpace += totalBytesRequired;
        return filePointer;
    } catch (IOException e) {
        throw new MuleRuntimeException(e);
    }
}

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From source file:net.jenet.Connect.java

@Override
public void toBuffer(ByteBuffer buffer) {
    super.toBuffer(buffer);
    buffer.putShort(outgoingPeerID);/* w w w .ja v a2s  .  c  om*/
    buffer.putShort(mtu);
    buffer.putInt(windowSize);
    buffer.putInt(channelCount);
    buffer.putInt(incomingBandwidth);
    buffer.putInt(outgoingBandwidth);
    buffer.putInt(packetThrottleInterval);
    buffer.putInt(packetThrottleAcceleration);
    buffer.putInt(packetThrottleDeceleration);
}

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From source file:org.getspout.spoutapi.packet.PacketEntityInformation.java

public PacketEntityInformation(List<LivingEntity> entities) {
    ByteBuffer tempbuffer = ByteBuffer.allocate(entities.size() * 20); //4 bytes for entity id, 16 for uuid
    for (Entity e : entities) {
        tempbuffer.putLong(e.getUniqueId().getLeastSignificantBits());
        tempbuffer.putLong(e.getUniqueId().getMostSignificantBits());
        tempbuffer.putInt(e.getEntityId());
    }//from   www  .j  ava 2 s  .  c  o  m
    data = tempbuffer.array();
}

---

From source file:com.codestation.henkakuserver.HenkakuServer.java

/**
 * Convert the exploit to a shellcode in binary format
 *
 * @param exploit payload compiled code/*from   www.j ava  2  s  .  com*/
 * @return the shellcode
 * @throws Exception
 */
private byte[] preprocessToBin(byte[] exploit) throws Exception {
    Pair<ArrayList<Integer>, List<Byte>> data = preprocessRop(exploit);

    int size = 4 + data.first.size() * 4 + data.second.size();
    byte[] out = new byte[size + ((-size) & 3)];
    ByteBuffer buf = ByteBuffer.wrap(out).order(ByteOrder.LITTLE_ENDIAN);

    buf.putInt(data.second.size());

    for (Integer val : data.first) {
        buf.putInt(val);
    }

    for (Byte val : data.second) {
        buf.put(val);
    }

    return out;
}

---

From source file:com.ottogroup.bi.spqr.pipeline.statistics.MicroPipelineStatistics.java

/**
 * Convert this {@link MicroPipelineStatistics} instance into its byte array representation 
 * @return//from   www  .  j  a v  a 2s .  c  o  m
 */
public byte[] toByteArray() {

    /////////////////////////////////////////////////////////
    // describes how the size of the result array is computed
    //      SIZE_OF_INT + 
    //      SIZE_OF_LONG + 
    //      SIZE_OF_LONG + 
    //      SIZE_OF_INT + 
    //      SIZE_OF_INT + 
    //      SIZE_OF_INT + 
    //      SIZE_OF_INT + 
    //      SIZE_OF_INT +
    //      SIZE_OF_INT +
    //      SIZE_OF_INT +
    //      procNodeId.length +
    //      pid.length +
    //      cid.length +
    //      (SIZE_OF_INT * 3)); <-- add extra int's 
    //           for storing the field sizes of processingNodeId, pipelineId and componentId
    //           which are required when extracting content from byte array      
    // >> 11x SIZE_OF_INT 
    // >>  3x SIZE_OF_LONG
    //
    // ByteBuffer buffer = ByteBuffer.allocate(11 * SIZE_OF_INT + 3 * SIZE_OF_LONG + procNodeId.length + pid.length + cid.length);

    // allocated buffer

    byte[] procNodeId = (this.processingNodeId != null ? this.processingNodeId.getBytes() : new byte[0]);
    byte[] pid = (this.pipelineId != null ? this.pipelineId.getBytes() : new byte[0]);
    byte[] cid = (this.componentId != null ? this.componentId.getBytes() : new byte[0]);

    ByteBuffer buffer = ByteBuffer
            .allocate(11 * SIZE_OF_INT + 2 * SIZE_OF_LONG + procNodeId.length + pid.length + cid.length);

    buffer.putInt(this.numOfMessages);
    buffer.putLong(this.startTime);
    buffer.putLong(this.endTime);
    buffer.putInt(this.minDuration);
    buffer.putInt(this.maxDuration);
    buffer.putInt(this.avgDuration);
    buffer.putInt(this.minSize);
    buffer.putInt(this.maxSize);
    buffer.putInt(this.avgSize);
    buffer.putInt(this.errors);
    buffer.putInt(procNodeId.length);
    buffer.put(procNodeId);
    buffer.putInt(pid.length);
    buffer.put(pid);
    buffer.putInt(cid.length);
    buffer.put(cid);

    return buffer.array();
}

---

From source file:org.apache.kylin.storage.hbase.cube.v1.filter.TestFuzzyRowFilterV2EndToEnd.java

@SuppressWarnings("deprecation")
@Test/*from w  ww . j  a  v  a  2  s  .  co  m*/
public void testFilterList() throws Exception {
    String cf = "f";
    String table = "TestFuzzyRowFiltersInFilterList";
    HTable ht = TEST_UTIL.createTable(TableName.valueOf(table), Bytes.toBytes(cf), Integer.MAX_VALUE);

    // 10 byte row key - (2 bytes 4 bytes 4 bytes)
    // 4 byte qualifier
    // 4 byte value

    for (int i1 = 0; i1 < 5; i1++) {
        for (int i2 = 0; i2 < 5; i2++) {
            byte[] rk = new byte[10];

            ByteBuffer buf = ByteBuffer.wrap(rk);
            buf.clear();
            buf.putShort((short) 2);
            buf.putInt(i1);
            buf.putInt(i2);

            // Each row contains 5 columns
            for (int c = 0; c < 5; c++) {
                byte[] cq = new byte[4];
                Bytes.putBytes(cq, 0, Bytes.toBytes(c), 0, 4);

                Put p = new Put(rk);
                p.setDurability(Durability.SKIP_WAL);
                p.add(cf.getBytes(), cq, Bytes.toBytes(c));
                ht.put(p);
                LOG.info("Inserting: rk: " + Bytes.toStringBinary(rk) + " cq: " + Bytes.toStringBinary(cq));
            }
        }
    }

    TEST_UTIL.flush();

    // test passes if we get back 5 KV's (1 row)
    runTest(ht, 5);

}

---

From source file:org.apache.hadoop.hbase.filter.TestFuzzyRowFilterEndToEnd.java

@SuppressWarnings("deprecation")
@Test/*from   w  w w  .j  a v a  2  s .c  o  m*/
public void testFilterList() throws Exception {
    String cf = "f";
    String table = "TestFuzzyRowFiltersInFilterList";
    Table ht = TEST_UTIL.createTable(TableName.valueOf(table), Bytes.toBytes(cf), Integer.MAX_VALUE);

    // 10 byte row key - (2 bytes 4 bytes 4 bytes)
    // 4 byte qualifier
    // 4 byte value

    for (int i1 = 0; i1 < 5; i1++) {
        for (int i2 = 0; i2 < 5; i2++) {
            byte[] rk = new byte[10];

            ByteBuffer buf = ByteBuffer.wrap(rk);
            buf.clear();
            buf.putShort((short) 2);
            buf.putInt(i1);
            buf.putInt(i2);

            // Each row contains 5 columns
            for (int c = 0; c < 5; c++) {
                byte[] cq = new byte[4];
                Bytes.putBytes(cq, 0, Bytes.toBytes(c), 0, 4);

                Put p = new Put(rk);
                p.setDurability(Durability.SKIP_WAL);
                p.add(cf.getBytes(), cq, Bytes.toBytes(c));
                ht.put(p);
                LOG.info("Inserting: rk: " + Bytes.toStringBinary(rk) + " cq: " + Bytes.toStringBinary(cq));
            }
        }
    }

    TEST_UTIL.flush();

    // test passes if we get back 5 KV's (1 row)
    runTest(ht, 5);

}

---

From source file:edu.umn.cs.spatialHadoop.nasa.HDFRasterLayer.java

@Override
public void write(DataOutput out) throws IOException {
    super.write(out);
    out.writeLong(timestamp);// w  w  w .  j  av a2s . co  m
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream gzos = new GZIPOutputStream(baos);
    ByteBuffer bbuffer = ByteBuffer.allocate(getHeight() * 2 * 8 + 8);
    bbuffer.putInt(getWidth());
    bbuffer.putInt(getHeight());
    gzos.write(bbuffer.array(), 0, bbuffer.position());
    for (int x = 0; x < getWidth(); x++) {
        bbuffer.clear();
        for (int y = 0; y < getHeight(); y++) {
            bbuffer.putLong(sum[x][y]);
            bbuffer.putLong(count[x][y]);
        }
        gzos.write(bbuffer.array(), 0, bbuffer.position());
    }
    gzos.close();

    byte[] serializedData = baos.toByteArray();
    out.writeInt(serializedData.length);
    out.write(serializedData);
}

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