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:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java

byte[] encodeUploadCommit(int token, int crc) {
    final short LENGTH_UPLOADCOMMIT = 9;
    ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_UPLOADCOMMIT);
    buf.order(ByteOrder.BIG_ENDIAN);
    buf.putShort(LENGTH_UPLOADCOMMIT);//ww  w  .j a va 2s.  co  m
    buf.putShort(ENDPOINT_PUTBYTES);
    buf.put(PUTBYTES_COMMIT);
    buf.putInt(token);
    buf.putInt(crc);
    return buf.array();
}

From source file:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java

byte[] encodeUploadComplete(int token) {
    final short LENGTH_UPLOADCOMPLETE = 5;
    ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_UPLOADCOMPLETE);
    buf.order(ByteOrder.BIG_ENDIAN);
    buf.putShort(LENGTH_UPLOADCOMPLETE);
    buf.putShort(ENDPOINT_PUTBYTES);/* w  w w.  ja va 2 s  .com*/
    buf.put(PUTBYTES_COMPLETE);
    buf.putInt(token);
    return buf.array();
}

From source file:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java

private byte[] encodeSystemMessage(byte systemMessage) {
    final short LENGTH_SYSTEMMESSAGE = 2;
    ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_SYSTEMMESSAGE);
    buf.order(ByteOrder.BIG_ENDIAN);
    buf.putShort(LENGTH_SYSTEMMESSAGE);//from   w w  w .jav a2 s  .  c  om
    buf.putShort(ENDPOINT_SYSTEMMESSAGE);
    buf.put((byte) 0);
    buf.put(systemMessage);
    return buf.array();

}

From source file:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java

private byte[] encodeMessage(short endpoint, byte type, int cookie, String[] parts) {
    // Calculate length first
    int length = LENGTH_PREFIX + 1;
    if (parts != null) {
        for (String s : parts) {
            if (s == null || s.equals("")) {
                length++; // encode null or empty strings as 0x00 later
                continue;
            }/*from  w  w w.jav a  2  s  .c o m*/
            length += (1 + s.getBytes().length);
        }
    }
    if (endpoint == ENDPOINT_PHONECONTROL) {
        length += 4; //for cookie;
    }

    // Encode Prefix
    ByteBuffer buf = ByteBuffer.allocate(length);
    buf.order(ByteOrder.BIG_ENDIAN);
    buf.putShort((short) (length - LENGTH_PREFIX));
    buf.putShort(endpoint);
    buf.put(type);

    if (endpoint == ENDPOINT_PHONECONTROL) {
        buf.putInt(cookie);
    }
    // Encode Pascal-Style Strings
    if (parts != null) {
        for (String s : parts) {
            if (s == null || s.equals("")) {
                buf.put((byte) 0x00);
                continue;
            }

            int partlength = s.getBytes().length;
            if (partlength > 255)
                partlength = 255;
            buf.put((byte) partlength);
            buf.put(s.getBytes(), 0, partlength);
        }
    }
    return buf.array();
}

From source file:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java

private byte[] encodeBlobDBClear(byte database) {
    final short LENGTH_BLOBDB_CLEAR = 4;
    ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_BLOBDB_CLEAR);

    buf.order(ByteOrder.BIG_ENDIAN);
    buf.putShort(LENGTH_BLOBDB_CLEAR);/*ww w  .  ja v  a  2 s .c o  m*/
    buf.putShort(ENDPOINT_BLOBDB);

    buf.order(ByteOrder.LITTLE_ENDIAN);
    buf.put(BLOBDB_CLEAR);
    buf.putShort((short) mRandom.nextInt()); // token
    buf.put(database);

    return buf.array();
}

From source file:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java

byte[] encodeActivateWeather(boolean activate) {
    if (activate) {
        ByteBuffer buf = ByteBuffer.allocate(0x61);
        buf.put((byte) 1);
        buf.order(ByteOrder.BIG_ENDIAN);
        buf.putLong(UUID_LOCATION.getMostSignificantBits());
        buf.putLong(UUID_LOCATION.getLeastSignificantBits());
        // disable remaining 5 possible location
        buf.put(new byte[60 - LENGTH_UUID]);
        return encodeBlobdb("weatherApp", BLOBDB_INSERT, BLOBDB_APPSETTINGS, buf.array());
    } else {/*from  w  w w .  java  2s . c om*/
        return encodeBlobdb("weatherApp", BLOBDB_DELETE, BLOBDB_APPSETTINGS, null);
    }
}

From source file:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java

byte[] encodeUploadChunk(int token, byte[] buffer, int size) {
    final short LENGTH_UPLOADCHUNK = 9;
    ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_UPLOADCHUNK + size);
    buf.order(ByteOrder.BIG_ENDIAN);
    buf.putShort((short) (LENGTH_UPLOADCHUNK + size));
    buf.putShort(ENDPOINT_PUTBYTES);/*from   ww w  .j a  v a  2s .  c  o  m*/
    buf.put(PUTBYTES_SEND);
    buf.putInt(token);
    buf.putInt(size);
    buf.put(buffer, 0, size);
    return buf.array();
}

From source file:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java

@Override
public byte[] encodeAppStart(UUID uuid, boolean start) {
    if (mFwMajor >= 3) {
        final short LENGTH_APPRUNSTATE = 17;
        ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_APPRUNSTATE);
        buf.order(ByteOrder.BIG_ENDIAN);
        buf.putShort(LENGTH_APPRUNSTATE);
        buf.putShort(ENDPOINT_APPRUNSTATE);
        buf.put(start ? APPRUNSTATE_START : APPRUNSTATE_STOP);
        buf.putLong(uuid.getMostSignificantBits());
        buf.putLong(uuid.getLeastSignificantBits());
        return buf.array();
    } else {// w ww .j  a  v  a2  s  .  com
        ArrayList<Pair<Integer, Object>> pairs = new ArrayList<>();
        int param = start ? 1 : 0;
        pairs.add(new Pair<>(1, (Object) param));
        return encodeApplicationMessagePush(ENDPOINT_LAUNCHER, uuid, pairs);
    }
}

From source file:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java

byte[] encodeUploadStart(byte type, int app_id, int size, String filename) {
    short length;
    if (mFwMajor >= 3 && (type != PUTBYTES_TYPE_FILE)) {
        length = (short) 10;
        type |= 0b10000000;/*ww w.  jav a 2s . c  o m*/
    } else {
        length = (short) 7;
    }

    if (type == PUTBYTES_TYPE_FILE && filename != null) {
        length += filename.getBytes().length + 1;
    }

    ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + length);
    buf.order(ByteOrder.BIG_ENDIAN);
    buf.putShort(length);
    buf.putShort(ENDPOINT_PUTBYTES);
    buf.put(PUTBYTES_INIT);
    buf.putInt(size);
    buf.put(type);

    if (mFwMajor >= 3 && (type != PUTBYTES_TYPE_FILE)) {
        buf.putInt(app_id);
    } else {
        // slot
        buf.put((byte) app_id);
    }

    if (type == PUTBYTES_TYPE_FILE && filename != null) {
        buf.put(filename.getBytes());
        buf.put((byte) 0);
    }

    return buf.array();
}

From source file:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java

@Override
public byte[] encodeSetMusicInfo(String artist, String album, String track, int duration, int trackCount,
        int trackNr) {
    String[] parts = { artist, album, track };
    if (duration == 0 || mFwMajor < 3) {
        return encodeMessage(ENDPOINT_MUSICCONTROL, MUSICCONTROL_SETMUSICINFO, 0, parts);
    } else {//w w  w .ja v  a2s .  co m
        // Calculate length first
        int length = LENGTH_PREFIX + 9;
        if (parts != null) {
            for (String s : parts) {
                if (s == null || s.equals("")) {
                    length++; // encode null or empty strings as 0x00 later
                    continue;
                }
                length += (1 + s.getBytes().length);
            }
        }

        // Encode Prefix
        ByteBuffer buf = ByteBuffer.allocate(length);
        buf.order(ByteOrder.BIG_ENDIAN);
        buf.putShort((short) (length - LENGTH_PREFIX));
        buf.putShort(ENDPOINT_MUSICCONTROL);
        buf.put(MUSICCONTROL_SETMUSICINFO);

        // Encode Pascal-Style Strings
        for (String s : parts) {
            if (s == null || s.equals("")) {
                buf.put((byte) 0x00);
                continue;
            }

            int partlength = s.getBytes().length;
            if (partlength > 255)
                partlength = 255;
            buf.put((byte) partlength);
            buf.put(s.getBytes(), 0, partlength);
        }

        buf.order(ByteOrder.LITTLE_ENDIAN);
        buf.putInt(duration * 1000);
        buf.putShort((short) (trackCount & 0xffff));
        buf.putShort((short) (trackNr & 0xffff));

        return buf.array();
    }
}