Example usage for java.nio ByteBuffer order

Introduction

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

Prototype

Endianness order

To view the source code for java.nio ByteBuffer order.

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Document

The byte order of this buffer, default is BIG_ENDIAN .

Usage

From source file:Main.java

public static ByteBuffer createByteBuffer(int count) {
    ByteBuffer data = ByteBuffer.allocateDirect(count * 4);
    data.order(ByteOrder.nativeOrder());
    return data;//from w ww.j a v a2  s . c  o m
}

From source file:Main.java

public static IntBuffer newIntBuffer(int numInts) {
    ByteBuffer buffer = ByteBuffer.allocate(numInts * 4);
    buffer.order(ByteOrder.nativeOrder());
    return buffer.asIntBuffer();
}

From source file:Main.java

public static LongBuffer newLongBuffer(int numLongs) {
    ByteBuffer buffer = ByteBuffer.allocate(numLongs * 8);
    buffer.order(ByteOrder.nativeOrder());
    return buffer.asLongBuffer();
}

From source file:Main.java

/**
 * @param size number of chars the buffer should hold
 * @return the newly allocated char buffer
 *//*from w  w w  .  j  a va  2s .c o  m*/
public static CharBuffer createCharBuffer(int size) {
    ByteBuffer bb = ByteBuffer.allocateDirect(2 * size);
    bb.order(ByteOrder.nativeOrder());
    return bb.asCharBuffer();
}

From source file:Main.java

/**
 * @param buffer//w w  w . j a va 2  s .  c om
 * @return
 */
public static ByteBuffer duplicate(ByteBuffer buffer) {
    final ByteBuffer r = buffer.duplicate();
    r.order(buffer.order());

    return r;
}

From source file:Main.java

public static int readInt(InputStream inputStream) throws IOException {
    byte[] bytesToRead = new byte[4];
    inputStream.read(bytesToRead);/*from w w w.  ja va2 s  .  c o  m*/

    ByteBuffer buffer = ByteBuffer.wrap(bytesToRead);
    buffer.order(ByteOrder.LITTLE_ENDIAN);

    return buffer.getInt();
}

From source file:Main.java

/**
 * @param size number of floats the buffer should hold
 * @return the newly allocated float buffer
 *///from  w w  w. j av a 2  s.  c  o  m
public static FloatBuffer createFloatBuffer(int size) {
    ByteBuffer bb = ByteBuffer.allocateDirect(4 * size);
    bb.order(ByteOrder.nativeOrder());
    return bb.asFloatBuffer();
}

From source file:Main.java

public static int byteArrayToLeInt(byte[] b) {
    final ByteBuffer bb = ByteBuffer.wrap(b);
    bb.order(ByteOrder.LITTLE_ENDIAN);
    return bb.getInt();
}

From source file:Main.java

public static long ReadlittleEndianLong(InputStream dis) throws IOException {
    byte[] bytes = new byte[8];
    int re = dis.read(bytes);
    if (re == -1) {
        return -1;
    }/*from ww w  .ja va2 s .co m*/
    ByteBuffer bytebuffer = ByteBuffer.wrap(bytes);
    bytebuffer.order(ByteOrder.LITTLE_ENDIAN);
    long result = bytebuffer.getLong();
    return result;
}

From source file:Main.java

public static String bytesToUuid(byte[] bytes) {
    ByteBuffer bb = ByteBuffer.wrap(bytes);
    bb.order(ByteOrder.LITTLE_ENDIAN);

    long lsb = bb.getLong();
    long msb = bb.getLong();
    UUID uuid = new UUID(msb, lsb);
    return uuidToString(uuid);
}