Example usage for java.nio ByteBuffer getShort

Introduction

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

Prototype

public abstract short getShort();

Source Link

Document

Returns the short at the current position and increases the position by 2.

Usage

From source file:Main.java

static public int[] getArray(ByteBuffer data, int dataSize) {
    int size = data.getInt();
    int[] result = new int[size];
    for (int i = 0; i < result.length; i++) {
        if (dataSize == 2)
            result[i] = data.getShort();
        if (dataSize == 4)
            result[i] = data.getInt();/*  w w w  .  j a  v  a 2 s. c  om*/
    }
    return result;
}

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From source file:org.bimserver.utils.BinUtils.java

public static Short byteArrayToShort(byte[] data) {
    ByteBuffer byteBuffer = ByteBuffer.wrap(data);
    return byteBuffer.getShort();
}

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From source file:com.sm.store.Utils.java

public static Value bytesToValue(byte[] bytes) {
    int len = bytes.length;
    ByteBuffer buf = ByteBuffer.wrap(bytes);
    long ver = buf.getLong();
    short node = buf.getShort();
    byte[] data = new byte[len - 10];
    buf.get(data);//ww w . j a v a  2s .c o m
    return CacheValue.createValue(data, ver, node);
}

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From source file:com.jadarstudios.rankcapes.bukkit.CapePackValidator.java

/**
 * Utility method to detect if the bytes given are a zip file.
 *
 * @param bytes the bytes of the file/*from ww  w. j av  a  2  s  . c  om*/
 *
 * @return if it is a zip file
 */
public static boolean isZipFile(byte[] bytes) {
    ByteArrayInputStream input = new ByteArrayInputStream(bytes);

    ByteBuffer buffer = ByteBuffer.allocate(4);
    input.read(buffer.array(), 0, buffer.capacity());

    short packIdentifier = buffer.getShort();

    return packIdentifier == ZIP_IDENTIFIER;
}

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

/**
 * Retrieves a <i>boolean</i> value stored within the body of the
 * <code>ByteBuffer</code> object.
 *
 * @param aBuffer Packet byte buffer object.
 * @return <i>true</i> or <i>false</i> based on the value stored within
 * the byte buffer object./*from   www  .jav  a2  s .  c om*/
 */
public static boolean getBool(ByteBuffer aBuffer) {
    short flagValue;

    flagValue = aBuffer.getShort();
    return (flagValue == 1);
}

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From source file:Main.java

/**
 * @param columnarKeyBlockData// w  w  w  .  ja v  a2s.  c  o m
 * @param columnarKeyStoreMetadata
 * @return
 * @author s71955 The high cardinality dimensions rows will be send in byte
 * array with its data length appended in the
 * ColumnarKeyStoreDataHolder byte array since high cardinality dim
 * data will not be part of MDKey/Surrogate keys. In this method the
 * byte array will be scanned and the length which is stored in
 * short will be removed.
 */
public static List<byte[]> readColumnarKeyBlockDataForNoDictionaryCols(byte[] columnarKeyBlockData) {
    List<byte[]> columnarKeyBlockDataList = new ArrayList<byte[]>(50);
    ByteBuffer noDictionaryValKeyStoreDataHolder = ByteBuffer.allocate(columnarKeyBlockData.length);
    noDictionaryValKeyStoreDataHolder.put(columnarKeyBlockData);
    noDictionaryValKeyStoreDataHolder.flip();
    while (noDictionaryValKeyStoreDataHolder.hasRemaining()) {
        short dataLength = noDictionaryValKeyStoreDataHolder.getShort();
        byte[] noDictionaryValKeyData = new byte[dataLength];
        noDictionaryValKeyStoreDataHolder.get(noDictionaryValKeyData);
        columnarKeyBlockDataList.add(noDictionaryValKeyData);
    }
    return columnarKeyBlockDataList;

}

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From source file:ConversionUtil.java

public static short convertToShort(byte[] array) {
    ByteBuffer buffer = ByteBuffer.wrap(array);
    return buffer.getShort();
    /*/*from  ww  w. ja v a2s .  co m*/
    short value = 0;
    for (int i =0;i<array.length; ++i) {
    int offset = (array.length -i-1) *8;
    value += (array[i] << offset);
    // bytes[i] = (byte)((value & (0xff << offset)) >>> offset);
    }
    return value;
     */
}

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

/**
 * Convert ByteBuffer to Short List//from   ww w. j  a  va  2s.c  o m
 *
 * @param buf
 *            ByteBuffer
 * @return Short List
 */
private static List<Short> toList(ByteBuffer buf) {
    int cap = buf.capacity() / 2;
    List<Short> tmp = new ArrayList<>(cap);

    buf.rewind();
    for (int i = 0; i < cap; i++) {
        tmp.add(buf.getShort());
    } // for

    return tmp;
}

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From source file:org.zuinnote.hadoop.bitcoin.format.BitcoinUtil.java

/**
* Converts a variable length integer (https://en.bitcoin.it/wiki/Protocol_documentation#Variable_length_integer) to long
*
* @param varInt byte array containing variable length integer
* 
* @return long corresponding to variable length integer
*
*///www  .  ja  va  2  s  .  c o m

public static long getVarInt(byte[] varInt) {
    long result = 0;
    if (varInt.length == 0)
        return result;
    int unsignedByte = varInt[0] & 0xFF;
    if (unsignedByte < 0xFD)
        return unsignedByte;
    int intSize = 0;
    if (unsignedByte == 0xFD)
        intSize = 3;
    else if (unsignedByte == 0xFE)
        intSize = 5;
    else if (unsignedByte == 0XFF)
        intSize = 9;
    byte[] rawDataInt = reverseByteArray(Arrays.copyOfRange(varInt, 1, intSize));
    ByteBuffer byteBuffer = ByteBuffer.wrap(rawDataInt);
    if (intSize == 3)
        result = byteBuffer.getShort();
    else if (intSize == 5)
        result = byteBuffer.getInt();
    else if (intSize == 9)
        result = byteBuffer.getLong(); // Need to handle sign - available only in JDK8
    return result;
}

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From source file:com.palantir.atlasdb.keyvalue.cassandra.CassandraKeyValueServices.java

static Pair<byte[], Long> decompose(ByteBuffer composite) {
    composite = composite.slice().order(ByteOrder.BIG_ENDIAN);

    short len = composite.getShort();
    byte[] colName = new byte[len];
    composite.get(colName);//from  w  w w .  j  ava2s  .c  o  m

    short shouldBeZero = composite.getShort();
    Validate.isTrue(shouldBeZero == 0);

    byte shouldBe8 = composite.get();
    Validate.isTrue(shouldBe8 == 8);
    long ts = composite.getLong();

    return Pair.create(colName, (~ts));
}

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