Example usage for java.nio ByteBuffer put

Introduction

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

Prototype

public ByteBuffer put(ByteBuffer src) 

Source Link

Document

Writes all the remaining bytes of the src byte buffer to this buffer's current position, and increases both buffers' position by the number of bytes copied.

Usage

From source file:com.alibaba.otter.shared.common.utils.ByteUtils.java

public static long bytes2long(byte[] b) {
    ByteBuffer buf = ByteBuffer.allocate(8);
    buf.put(b);
    buf.flip();/* www .  ja v a 2 s  .  c  om*/
    return buf.getLong();
}

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From source file:com.offbynull.portmapper.common.ByteBufferUtils.java

/**
 * Copy the remaining content of a {@link ByteBuffer} in to a new non-direct {@link ByteBuffer}.
 * @param src buffer to copy//from ww w  .  j  a  va 2s .c  o  m
 * @param incrementSrc of {@code true} increments {@code src}'s position
 * @param incrementDst of {@code true} increments {@code dst}'s position
 * @return new buffer with the remaining content in {@code src}
 * @throws NullPointerException if any arguments are {@code null}
 */
public static ByteBuffer copyContents(ByteBuffer src, boolean incrementSrc, boolean incrementDst) {
    Validate.notNull(src);
    if (!incrementSrc) {
        src.mark();
    }

    ByteBuffer dst = ByteBuffer.allocate(src.remaining());
    dst.put(src);

    if (!incrementSrc) {
        src.reset();
    }

    if (!incrementDst) {
        dst.flip();
    }

    return dst;
}

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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  ww .j a  v  a 2 s.  c  o  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;//www .j  ava 2 s  . c  om
}

---

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;/*  w  ww.  j a v a  2 s  .  c o  m*/
}

---

From source file:Main.java

public static void writeVideoHeader(ByteBuffer buffer, int flvVideoFrameType, int codecID, int AVCPacketType) {
    byte first = (byte) (((flvVideoFrameType & 0x0F) << 4) | (codecID & 0x0F));
    buffer.put(first);

    buffer.put((byte) AVCPacketType);
    buffer.put((byte) 0x00);
    buffer.put((byte) 0x00);
    buffer.put((byte) 0x00);
}

---

From source file:Main.java

static void putString(final ByteBuffer buf, String value) {
    final int length = value.length();
    putInt(buf, length);//from w w w  . j  a  v  a2 s. co m
    for (int i = 0; i < length; ++i) {
        buf.put((byte) value.charAt(i));
    }
    buf.put((byte) 0);
}

---

From source file:Main.java

private static ByteBuffer allocateMore(ByteBuffer output) {
    if (output.capacity() == 0) {
        return ByteBuffer.allocate(1);
    }//from   w ww  . j a  v a2 s  .  c  om
    ByteBuffer result = ByteBuffer.allocate(output.capacity() * 2);
    output.flip();
    result.put(output);
    return result;
}

---

From source file:Main.java

/**
 * Split int value into two byte buffer. First byte of int will be written to first byte buffer and second to second one. How many
 * bytes will be written to first buffer determines based on <code>buffer.remaining()</code> value
 * //  w w  w.ja v  a 2s . c  o  m
 * @param buffer
 *          to write first part of value
 * @param buffer1
 *          to write second part of value
 */
public static void splitIntToBuffers(ByteBuffer buffer, ByteBuffer buffer1, int iValue) {
    int remaining = buffer.remaining();
    int i;
    for (i = 0; i < remaining; ++i) {
        buffer.put((byte) (MASK & (iValue >>> SIZE_OF_BYTE_IN_BITS * (SIZE_OF_INT - i - 1))));
    }
    for (int j = 0; j < SIZE_OF_INT - remaining; ++j) {
        buffer1.put((byte) (MASK & (iValue >>> SIZE_OF_BYTE_IN_BITS * (SIZE_OF_INT - i - j - 1))));
    }
}

---

From source file:Main.java

/**
 * Split long value into two byte buffer. First byte of long will be written to first byte buffer and second to second one. How
 * many bytes will be written to first buffer determines based on <code>buffer.remaining()</code> value
 * /*from  ww  w . j a  v  a  2  s  . com*/
 * @param buffer
 *          to write first part of value
 * @param buffer1
 *          to write second part of value
 */
public static void splitLongToBuffers(ByteBuffer buffer, ByteBuffer buffer1, long iValue) {
    int remaining = buffer.remaining();
    int i;
    for (i = 0; i < remaining; ++i) {
        buffer.put((byte) (iValue >> SIZE_OF_BYTE_IN_BITS * (SIZE_OF_LONG - i - 1)));
    }
    for (int j = 0; j < SIZE_OF_LONG - remaining; ++j) {
        buffer1.put((byte) (iValue >> SIZE_OF_BYTE_IN_BITS * (SIZE_OF_LONG - i - j - 1)));
    }
}

---

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