Example usage for java.nio ByteBuffer order

List of usage examples for java.nio ByteBuffer order

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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 FloatBuffer makeFloatBuffer(float[] array) {
    final int floatSize = Float.SIZE / 8;
    ByteBuffer byteBuffer = ByteBuffer.allocateDirect(array.length * floatSize);
    byteBuffer.order(ByteOrder.nativeOrder());
    FloatBuffer floatBuffer = byteBuffer.asFloatBuffer();
    floatBuffer.put(array);/*from  ww  w  . ja va2  s  . com*/
    floatBuffer.position(0);
    return floatBuffer;
}

From source file:Main.java

public static AdvertiseData createAllOffAdvertiseData() {
    byte[] manufacturerData = new byte[23];
    ByteBuffer bb = ByteBuffer.wrap(manufacturerData);
    bb.order(ByteOrder.BIG_ENDIAN);
    bb.put((byte) 0x41);
    bb.put((byte) 0x6c);
    bb.put((byte) 0x6c);
    bb.put((byte) 0x4f);
    bb.put((byte) 0x66);
    bb.put((byte) 0x66);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);

    AdvertiseData.Builder builder = new AdvertiseData.Builder();
    builder.addManufacturerData(0x006d, manufacturerData);
    AdvertiseData adv = builder.build();
    return adv;/*w w  w . j  a v  a2  s.  co  m*/
}

From source file:Main.java

/** create AdvertiseDate for iBeacon */
public static AdvertiseData createLightOnAdvertiseData() {
    byte[] manufacturerData = new byte[23];
    ByteBuffer bb = ByteBuffer.wrap(manufacturerData);
    bb.order(ByteOrder.BIG_ENDIAN);
    bb.put((byte) 0x4c);
    bb.put((byte) 0x69);
    bb.put((byte) 0x67);
    bb.put((byte) 0x68);
    bb.put((byte) 0x74);
    bb.put((byte) 0x4f);
    bb.put((byte) 0x6e);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);

    AdvertiseData.Builder builder = new AdvertiseData.Builder();
    builder.addManufacturerData(0x006d, manufacturerData);
    AdvertiseData adv = builder.build();
    return adv;/*from  ww  w.ja  v  a  2 s  .c  o  m*/
}

From source file:Main.java

/** create AdvertiseDate for iBeacon */
public static AdvertiseData createAllOnAdvertiseData() {
    byte[] manufacturerData = new byte[23];
    ByteBuffer bb = ByteBuffer.wrap(manufacturerData);
    bb.order(ByteOrder.BIG_ENDIAN);
    bb.put((byte) 0x41);
    bb.put((byte) 0x6c);
    bb.put((byte) 0x6c);
    bb.put((byte) 0x4f);
    bb.put((byte) 0x6e);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);
    bb.put((byte) 0x00);

    AdvertiseData.Builder builder = new AdvertiseData.Builder();
    builder.addManufacturerData(0x006d, manufacturerData);
    AdvertiseData adv = builder.build();
    return adv;//from w  w  w . j  a  v a 2s  . c  o m
}

From source file:Main.java

public static ByteBuffer copy(ByteBuffer buffer) {

    final int length = buffer.limit() - buffer.position();
    final ByteOrder o = buffer.order();
    final ByteBuffer r = ByteBuffer.allocate(length);
    r.order(o);//from  w ww  .  j a  v a2  s  . c o m

    r.put(buffer);
    r.clear(); // Reset position and limit after the put()

    return r;

}

From source file:Main.java

/**android methods*/

//Only for Android
public static IntBuffer makeFloatBuffer(int[] array) {
    final int integerSize = Integer.SIZE / 8;
    ByteBuffer byteBuffer = ByteBuffer.allocateDirect(array.length * integerSize);
    byteBuffer.order(ByteOrder.nativeOrder());
    IntBuffer intBuffer = byteBuffer.asIntBuffer();
    intBuffer.put(array);/*from  ww w.  j a v  a2s.  co  m*/
    intBuffer.position(0);
    return intBuffer;
}

From source file:Main.java

public static Buffer fillBuffer(float[] array) {
    // Convert to floats because OpenGL doesnt work on doubles, and manually
    // casting each input value would take too much time.
    ByteBuffer bb = ByteBuffer.allocateDirect(4 * array.length); // each
    // float//  w  w  w.j  a v  a  2s  .  c o m
    // takes 4
    // bytes
    bb.order(ByteOrder.LITTLE_ENDIAN);
    for (float d : array)
        bb.putFloat(d);
    bb.rewind();

    return bb;

}

From source file:Main.java

public static Buffer fillBuffer(double[] array) {
    // Convert to floats because OpenGL doesnt work on doubles, and manually
    // casting each input value would take too much time.
    ByteBuffer bb = ByteBuffer.allocateDirect(4 * array.length); // each
    // float//from   w w w .j a  v  a  2 s .co  m
    // takes 4
    // bytes
    bb.order(ByteOrder.LITTLE_ENDIAN);
    for (double d : array)
        bb.putFloat((float) d);
    bb.rewind();

    return bb;

}

From source file:info.gehrels.flockDBClient.ByteHelper.java

static ByteBuffer asByteBuffer(long... destinationIds) {
    ByteBuffer buf = null;
    buf = ByteBuffer.wrap(new byte[destinationIds.length * (Long.SIZE / 8)]);
    buf.order(ByteOrder.LITTLE_ENDIAN);
    for (long destinationId : destinationIds) {
        buf.putLong(destinationId);//from   w ww  . j a  v a2s.c  o m
    }
    buf.rewind();
    return buf;
}

From source file:Main.java

public static ShortBuffer createShortBuffer(short[] shortData) {
    ShortBuffer drawListBuffer;/*from  w w w  . j  ava  2  s.c om*/
    ByteBuffer dlb = ByteBuffer.allocateDirect(
            // (# of coordinate values * 2 bytes per short)
            shortData.length * 2);
    dlb.order(ByteOrder.nativeOrder());
    drawListBuffer = dlb.asShortBuffer();
    drawListBuffer.put(shortData);
    drawListBuffer.position(0);
    return drawListBuffer;
}