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:org.janusgraph.TestByteBuffer.java

private static long testByte() {
    LongObjectMap<ConcurrentSkipListSet<ByteEntry>> tx = new LongObjectHashMap<ConcurrentSkipListSet<ByteEntry>>(
            NUM);//w  ww.  ja va2 s  . co  m
    for (int i = 0; i < NUM; i++) {
        tx.put(i, new ConcurrentSkipListSet<ByteEntry>());
    }
    for (int i = 0; i < NUM; i++) {
        for (int j = 0; j < NUM; j++) {
            if (i == j)
                continue;
            if (Math.random() < FRACTION) {
                ByteBuffer key = ByteBuffer.allocate(16);
                key.putLong(5).putLong(j).flip();
                ByteBuffer value = ByteBuffer.allocate(4);
                value.putInt(random.nextInt(ROUNDSIZE)).flip();
                tx.get(i).add(new ByteEntry(key, value));
            }
        }
    }
    long time = System.currentTimeMillis();
    long sum = 0;
    for (int t = 0; t < TRIALS; t++) {
        for (int i = 0; i < NUM; i++) {
            for (Vertex v : (new ByteVertex(i, tx)).getNeighbors(0)) {
                sum += v.getId();
            }
        }
    }
    time = System.currentTimeMillis() - time;
    return time;
}

From source file:uk.ac.cam.cl.dtg.picky.parser.pcap2.PcapParser.java

private static void putUnsignedInt(ByteBuffer bb, long value) {
    bb.putInt((int) (value & 0xffffffffL));
}

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

static byte[] recordMark(int size, boolean last) {
    byte[] b = new byte[SIZEOF_INT];
    ByteBuffer buf = ByteBuffer.wrap(b);
    buf.putInt(!last ? size : size | 0x80000000);
    return b;//w ww  . j  ava2s .  c o  m
}

From source file:org.lic.ip.iplocator.IPv4RadixIntTree.java

private static long inet_aton(String ipStr) {
    try {//  w  w  w  .j a v  a2  s.  co m
        ByteBuffer bb = ByteBuffer.allocate(8);
        bb.putInt(0);
        bb.put(InetAddress.getByName(ipStr).getAddress());
        bb.rewind();
        return bb.getLong();
    } catch (UnknownHostException e) {
        logger.error(e.getMessage(), e);
    }
    return 0;
}

From source file:ConversionUtil.java

public static byte[] convertToByteArray(int value) {
    byte[] bytes = new byte[4];
    ByteBuffer buffer = ByteBuffer.allocate(bytes.length);
    buffer.putInt(value);
    return buffer.array();
    // buffer.get(bytes);
    /*//from w ww .  java  2s . c  om
    for (int i =0;i<bytes.length; ++i) {
    int offset = (bytes.length -i-1) *8;
    bytes[i] = (byte)((value & (0xff << offset)) >>> offset);
    }
     */
    // return bytes;
}

From source file:com.oneguy.recognize.Util.java

public static ByteBuffer putData(ByteBuffer buffer, int data) {
    if (buffer == null) {
        return buffer;
    }//  w  ww . ja v a2s. c om
    // sizeof(int) == 4
    while (buffer.capacity() < buffer.position() + 4 - 1) {
        buffer = doubleSize(buffer);
    }
    buffer.putInt(data);
    return buffer;
}

From source file:com.nridge.core.base.std.BufUtl.java

/**
 * Resets the <code>ByteBuffer</code> position and adds the opcode and
 * version values to it./*from   w w w.  j a  v  a  2s  . c om*/
 *
 * @param aBuffer Packet byte buffer object.
 * @param anOpCode Application specific operation code value.
 * @param aVersion Application specific operation version code value.
 */
public static void setHeader(ByteBuffer aBuffer, int anOpCode, int aVersion) {
    if (aBuffer != null) {
        aBuffer.mark();
        aBuffer.position(0);
        aBuffer.putInt(anOpCode);
        aBuffer.putInt(aVersion);
        aBuffer.reset();
    }
}

From source file:org.apache.myriad.state.utils.ByteBufferSupport.java

public static byte[] toIntBytes(int src) {
    ByteBuffer bb = createBuffer(INT_SIZE);
    bb.putInt(src);
    return bb.array();
}

From source file:tor.HiddenService.java

public static byte[] getDescId(String onion, byte replica) {
    byte[] onionbin = new Base32().decode(onion.toUpperCase());
    assert onionbin.length == 10;

    long curtime = System.currentTimeMillis() / 1000L;
    int oid = onionbin[0] & 0xff;

    long t = (curtime + (oid * 86400L / 256)) / 86400L;

    ByteBuffer buf = ByteBuffer.allocate(10);
    buf.putInt((int) t);
    buf.put(replica);//from   w  w w  .  java 2  s. co m
    buf.flip();

    MessageDigest md = TorCrypto.getSHA1();
    md.update(buf);
    byte hashT[] = md.digest();

    md = TorCrypto.getSHA1();
    return md.digest(ArrayUtils.addAll(onionbin, hashT)); //md.digest();
}

From source file:org.opensha.commons.util.XMLUtils.java

public static void intArrayToXML(Element parent, int[] array, String elName) {
    byte[] bytes = new byte[array.length * 4];
    ByteBuffer buf = ByteBuffer.wrap(bytes);
    for (int val : array)
        buf.putInt(val);
    byteArrayToXML(parent, buf.array(), elName);
}