Example usage for java.nio ByteBuffer putShort

List of usage examples for java.nio ByteBuffer putShort

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Introduction

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

Prototype

public abstract ByteBuffer putShort(short value);

Source Link

Document

Writes the given short to the current position and increases the position by 2.

Usage

From source file:org.opendaylight.lispflowmapping.lisp.serializer.MappingRecordSerializer.java

public void serialize(ByteBuffer replyBuffer, MappingRecord record) {
    replyBuffer.putInt(NumberUtil.asInt(record.getRecordTtl()));
    if (record.getLocatorRecord() != null) {
        replyBuffer.put((byte) record.getLocatorRecord().size());
    } else {/*from  www . ja  v a 2s .co m*/
        replyBuffer.put((byte) 0);
    }
    if (record.getEid() != null && MaskUtil.getMaskForAddress(record.getEid().getAddress()) != -1) {
        replyBuffer.put((byte) NumberUtil.asShort(MaskUtil.getMaskForAddress(record.getEid().getAddress())));
    } else {
        replyBuffer.put((byte) 0);
    }
    Action act = Action.NoAction;
    if (record.getAction() != null) {
        act = record.getAction();
    }
    replyBuffer.put((byte) ((act.getIntValue() << 5) | //
            ByteUtil.boolToBit(BooleanUtils.isTrue(record.isAuthoritative()), Flags.AUTHORITATIVE)));
    replyBuffer.position(replyBuffer.position() + Length.RESERVED);
    replyBuffer.putShort(NumberUtil.asShort(record.getMapVersion()));
    if (record.getEid() != null && record.getEid().getAddress() != null) {
        LispAddressSerializer.getInstance().serialize(replyBuffer, record.getEid());
    }

    if (record.getLocatorRecord() != null) {
        for (LocatorRecord locatorRecord : record.getLocatorRecord()) {
            LocatorRecordSerializer.getInstance().serialize(replyBuffer, locatorRecord);
        }
    }
}

From source file:org.deegree.tools.rendering.dem.builder.DEMDatasetGenerator.java

private void put(ByteBuffer buffer, float value, int bytesPerValue) {
    if (bytesPerValue == 4) {
        buffer.putFloat(value);/*from ww w  . ja  v  a 2 s . c o  m*/
    } else if (bytesPerValue == 2) {
        short s = 0;
        if (value < 1) {
            s = (short) (32768.0f * value);
        } else {
            s = (short) (32767.0f * value);
        }
        buffer.putShort(s);
    } else if (bytesPerValue == 1) {
        byte b = 0;
        if (value < 1) {
            b = (byte) (128.0f * value);
        } else {
            b = (byte) (127.0f * value);
        }
        buffer.put(b);
    }
}

From source file:org.springframework.integration.x.ip.websocket.WebSocketSerializer.java

@Override
public void serialize(final Object frame, OutputStream outputStream) throws IOException {
    String data = "";
    WebSocketFrame theFrame = null;//from w ww .  j a  v a  2  s. c o  m
    if (frame instanceof String) {
        data = (String) frame;
        theFrame = new WebSocketFrame(WebSocketFrame.TYPE_DATA, data);
    } else if (frame instanceof WebSocketFrame) {
        theFrame = (WebSocketFrame) frame;
        data = theFrame.getPayload();
    }
    if (data != null && data.startsWith("HTTP/1.1")) {
        outputStream.write(data.getBytes());
        return;
    }
    int lenBytes;
    int payloadLen = this.server ? 0 : 0x80; //masked
    boolean close = theFrame.getType() == WebSocketFrame.TYPE_CLOSE;
    boolean ping = theFrame.getType() == WebSocketFrame.TYPE_PING;
    boolean pong = theFrame.getType() == WebSocketFrame.TYPE_PONG;
    byte[] bytes = theFrame.getBinary() != null ? theFrame.getBinary() : data.getBytes("UTF-8");

    int length = bytes.length;
    if (close) {
        length += 2;
    }
    if (length >= Math.pow(2, 16)) {
        lenBytes = 8;
        payloadLen |= 127;
    } else if (length > 125) {
        lenBytes = 2;
        payloadLen |= 126;
    } else {
        lenBytes = 0;
        payloadLen |= length;
    }
    int mask = (int) System.currentTimeMillis();
    ByteBuffer buffer = ByteBuffer.allocate(length + 6 + lenBytes);
    if (ping) {
        buffer.put((byte) 0x89);
    } else if (pong) {
        buffer.put((byte) 0x8a);
    } else if (close) {
        buffer.put((byte) 0x88);
    } else if (theFrame.getType() == WebSocketFrame.TYPE_DATA_BINARY) {
        buffer.put((byte) 0x82);
    } else {
        // Final fragment; text
        buffer.put((byte) 0x81);
    }
    buffer.put((byte) payloadLen);
    if (lenBytes == 2) {
        buffer.putShort((short) length);
    } else if (lenBytes == 8) {
        buffer.putLong(length);
    }

    byte[] maskBytes = new byte[4];
    if (!server) {
        buffer.putInt(mask);
        buffer.position(buffer.position() - 4);
        buffer.get(maskBytes);
    }
    if (close) {
        buffer.putShort(theFrame.getStatus());
        // TODO: mask status when client
    }
    for (int i = 0; i < bytes.length; i++) {
        if (server) {
            buffer.put(bytes[i]);
        } else {
            buffer.put((byte) (bytes[i] ^ maskBytes[i % 4]));
        }
    }
    outputStream.write(buffer.array(), 0, buffer.position());
}

From source file:org.apache.carbondata.core.indexstore.blockletindex.BlockDataMap.java

private byte[] convertRowCountFromShortToByteArray(List<Short> blockletCountInEachBlock) {
    int bufferSize = blockletCountInEachBlock.size() * 2;
    ByteBuffer byteBuffer = ByteBuffer.allocate(bufferSize);
    for (Short blockletCount : blockletCountInEachBlock) {
        byteBuffer.putShort(blockletCount);
    }//from  ww  w. ja  v  a 2  s. c o m
    byteBuffer.rewind();
    return byteBuffer.array();
}

From source file:com.warfrog.bitmapallthethings.BattEngine.java

private InputStream generateBitmapHeader(int width, int height, int fileSize, int fillerBytes) {
    ByteBuffer buffer = ByteBuffer.allocate(54);
    buffer.order(ByteOrder.LITTLE_ENDIAN);
    buffer.put((byte) 0x42); //B
    buffer.put((byte) 0x4D); //M
    buffer.putInt(fileSize + 54); //total file size
    buffer.putInt(fileSize); //unofficial -- used to save the file size
    buffer.putInt(54); //pixel info offset
    buffer.putInt(40); //size of the bitmap info header
    buffer.putInt(width); //width
    buffer.putInt(height); //height
    buffer.putShort((short) 1); //number of color planes
    buffer.putShort((short) getBytesPerPixel()); //bytes per pixel
    buffer.putInt(0); //no compression
    buffer.putInt(fileSize); //size of the raw pixel array
    buffer.putInt(2835); //horizontal resolution
    buffer.putInt(2835); //vertical resolution
    buffer.putInt(0); //number of colors
    buffer.putInt(0); //important colors
    return new ByteArrayInputStream(buffer.array());
}

From source file:org.openpilot_nonag.uavtalk.UAVTalk.java

/**
 * Send an object through the telemetry link.
 * @throws IOException/*from  w ww  .  j a va 2  s.c o m*/
 * @param[in] obj Object handle to send
 * @param[in] type Transaction type \return Success (true), Failure (false)
 */
private boolean transmitSingleObject(int type, long objId, long instId, UAVObject obj) throws IOException {
    int length = 0;

    assert (objMngr != null && outStream != null);

    // IMPORTANT : obj can be null (when type is NACK for example)

    // Determine data length
    if (type == TYPE_OBJ_REQ || type == TYPE_ACK || type == TYPE_NACK) {
        length = 0;
    } else {
        length = obj.getNumBytes();
    }

    ByteBuffer bbuf = ByteBuffer.allocate(MAX_PACKET_LENGTH);
    bbuf.order(ByteOrder.LITTLE_ENDIAN);

    // Setup type and object id fields
    bbuf.put((byte) (SYNC_VAL & 0xff));
    bbuf.put((byte) (type & 0xff));
    bbuf.putShort((short) (length + HEADER_LENGTH));
    bbuf.putInt((int) objId);
    bbuf.putShort((short) (instId & 0xffff));

    // Check length
    if (length >= MAX_PAYLOAD_LENGTH) {
        ++stats.txErrors;
        return false;
    }

    // Copy data (if any)
    if (length > 0)
        try {
            if (obj.pack(bbuf) == 0) {
                ++stats.txErrors;
                return false;
            }
        } catch (Exception e) {
            ++stats.txErrors;
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }

    // Calculate checksum
    bbuf.put((byte) (updateCRC(0, bbuf.array(), bbuf.position()) & 0xff));

    int packlen = bbuf.position();
    bbuf.position(0);
    byte[] dst = new byte[packlen];
    bbuf.get(dst, 0, packlen);

    outStream.write(dst);

    // Update stats
    ++stats.txObjects;
    stats.txBytes += bbuf.position();
    stats.txObjectBytes += length;

    // Done
    return true;
}

From source file:com.healthmarketscience.jackcess.Column.java

/**
 * Writes the sort order info to the given buffer at the current position.
 *///from   w  ww .j a v  a 2 s  . co  m
private static void writeSortOrder(ByteBuffer buffer, SortOrder sortOrder, JetFormat format) {
    if (sortOrder == null) {
        sortOrder = format.DEFAULT_SORT_ORDER;
    }
    buffer.putShort(sortOrder.getValue());
    if (format.SIZE_SORT_ORDER == 4) {
        buffer.put((byte) 0x00); // unknown
        buffer.put(sortOrder.getVersion());
    }
}

From source file:com.healthmarketscience.jackcess.Table.java

/**
 * Writes the given name into the given buffer in the format as expected by
 * {@link #readName}./*from   w  w w  .j a v  a 2s .c om*/
 */
static void writeName(ByteBuffer buffer, String name, Charset charset) {
    ByteBuffer encName = Column.encodeUncompressedText(name, charset);
    buffer.putShort((short) encName.remaining());
    buffer.put(encName);
}

From source file:com.healthmarketscience.jackcess.Table.java

/**
 * Create the usage map definition page buffer.  The "used pages" map is in
 * row 0, the "pages with free space" map is in row 1.  Index usage maps are
 * in subsequent rows./*w  w  w.  j a  va  2 s . com*/
 */
private static void createUsageMapDefinitionBuffer(TableCreator creator) throws IOException {
    // 2 table usage maps plus 1 for each index
    int umapNum = 2 + creator.getIndexCount();

    JetFormat format = creator.getFormat();
    int usageMapRowLength = format.OFFSET_USAGE_MAP_START + format.USAGE_MAP_TABLE_BYTE_LENGTH;
    int freeSpace = format.DATA_PAGE_INITIAL_FREE_SPACE
            - (umapNum * getRowSpaceUsage(usageMapRowLength, format));

    // for now, don't handle writing that many indexes
    if (freeSpace < 0) {
        throw new IOException("FIXME attempting to write too many indexes");
    }

    int umapPageNumber = creator.getUmapPageNumber();

    PageChannel pageChannel = creator.getPageChannel();
    ByteBuffer rtn = pageChannel.createPageBuffer();
    rtn.put(PageTypes.DATA);
    rtn.put((byte) 0x1); //Unknown
    rtn.putShort((short) freeSpace); //Free space in page
    rtn.putInt(0); //Table definition
    rtn.putInt(0); //Unknown
    rtn.putShort((short) umapNum); //Number of records on this page

    // write two rows of usage map definitions for the table
    int rowStart = findRowEnd(rtn, 0, format) - usageMapRowLength;
    for (int i = 0; i < 2; ++i) {
        rtn.putShort(getRowStartOffset(i, format), (short) rowStart);
        if (i == 0) {
            // initial "usage pages" map definition
            rtn.put(rowStart, UsageMap.MAP_TYPE_REFERENCE);
        } else {
            // initial "pages with free space" map definition
            rtn.put(rowStart, UsageMap.MAP_TYPE_INLINE);
        }
        rowStart -= usageMapRowLength;
    }

    if (creator.hasIndexes()) {

        for (int i = 0; i < creator.getIndexes().size(); ++i) {
            IndexBuilder idx = creator.getIndexes().get(i);

            // allocate root page for the index
            int rootPageNumber = pageChannel.allocateNewPage();
            int umapRowNum = i + 2;

            // stash info for later use
            TableCreator.IndexState idxState = creator.getIndexState(idx);
            idxState.setRootPageNumber(rootPageNumber);
            idxState.setUmapRowNumber((byte) umapRowNum);
            idxState.setUmapPageNumber(umapPageNumber);

            // index map definition, including initial root page
            rtn.putShort(getRowStartOffset(umapRowNum, format), (short) rowStart);
            rtn.put(rowStart, UsageMap.MAP_TYPE_INLINE);
            rtn.putInt(rowStart + 1, rootPageNumber);
            rtn.put(rowStart + 5, (byte) 1);

            rowStart -= usageMapRowLength;
        }
    }

    pageChannel.writePage(rtn, umapPageNumber);
}

From source file:org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6Match.java

private byte[] getIPv6ExtensionPortMatchMsg(short port) {
    ByteBuffer ipv6ext_port_msg = ByteBuffer.allocate(6);
    int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
            OF_Match_Types.MATCH_OF_IN_PORT.getValue(), 0, 2);
    ipv6ext_port_msg.putInt(nxm_header);
    ipv6ext_port_msg.putShort(port);
    return (ipv6ext_port_msg.array());
}