Example usage for java.nio ByteOrder BIG_ENDIAN

Introduction

In this page you can find the example usage for java.nio ByteOrder BIG_ENDIAN.

Prototype

ByteOrder BIG_ENDIAN

To view the source code for java.nio ByteOrder BIG_ENDIAN.

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Document

This constant represents big endian.

Usage

From source file:edu.hawaii.soest.kilonalu.adam.AdamParser.java

/**
 * A method that gets the channel one data mimimum as a converted decimal float
 *
 * @return channelOneMin - the 2 bytes of the channelOneMin data as a float
 */// w  ww. j a va 2  s  .c  o  m
public float getChannelOneMin() {
    this.channelOneMin.flip();
    int channelData = (int) this.channelOneMin.order(ByteOrder.BIG_ENDIAN).getShort();

    return getVoltage(channelData);
}

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

private byte[] encodeSimpleMessage(short endpoint, byte command) {
    final short LENGTH_SIMPLEMESSAGE = 1;
    ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_SIMPLEMESSAGE);
    buf.order(ByteOrder.BIG_ENDIAN);
    buf.putShort(LENGTH_SIMPLEMESSAGE);//  w  w w  .  j a  va2s  .  c o m
    buf.putShort(endpoint);
    buf.put(command);

    return buf.array();
}

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From source file:edu.hawaii.soest.kilonalu.adam.AdamParser.java

/**
 * A method that gets the channel two data mimimum as a converted decimal float
 *
 * @return channelTwoMin - the 2 bytes of the channelTwoMin data as a float
 *//*ww w  . j ava2  s.  c  o m*/
public float getChannelTwoMin() {
    this.channelTwoMin.flip();
    int channelData = (int) this.channelTwoMin.order(ByteOrder.BIG_ENDIAN).getShort();

    return getVoltage(channelData);
}

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From source file:edu.hawaii.soest.kilonalu.adam.AdamParser.java

/**
 * A method that gets the channel three data mimimum as a converted decimal float
 *
 * @return channelThreeMin - the 2 bytes of the channelThreeMin data as a float
 *///from   w  ww.j a v  a2 s.  c om
public float getChannelThreeMin() {
    this.channelThreeMin.flip();
    int channelData = (int) this.channelThreeMin.order(ByteOrder.BIG_ENDIAN).getShort();

    return getVoltage(channelData);
}

---

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;
            }// w  w  w  . j a va 2 s .co 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:edu.hawaii.soest.kilonalu.adam.AdamParser.java

/**
 * A method that gets the channel four data mimimum as a converted decimal float
 *
 * @return channelFourMin - the 2 bytes of the channelFourMin data as a float
 */// w  w  w .j  a v  a 2s. c  om
public float getChannelFourMin() {
    this.channelFourMin.flip();
    int channelData = (int) this.channelFourMin.order(ByteOrder.BIG_ENDIAN).getShort();

    return getVoltage(channelData);
}

---

From source file:org.apache.hadoop.hbase.filter.SlicedRowFilter.java

public static SlicedRowFilter parseFrom(final byte[] pbBytes) throws DeserializationException {

    ByteBuffer bb = ByteBuffer.wrap(pbBytes).order(ByteOrder.BIG_ENDIAN);

    SlicedRowFilter filter = new SlicedRowFilter();

    filter.count = bb.getLong();//from  w  w w . j  a  v  a  2  s.  c  o m
    filter.slicesLength = bb.getInt();
    int nbounds = bb.getInt();
    filter.bounds = new int[nbounds];
    for (int i = 0; i < nbounds; i++) {
        filter.bounds[i] = bb.getInt();
    }

    //
    // If the first slice starts at offset 0 then we will be able to provide a key hint
    //

    if (0 == filter.bounds[0]) {
        filter.hasHinting = true;
    } else {
        filter.hasHinting = false;
    }

    filter.rangekeys = new byte[bb.getInt()];
    bb.get(filter.rangekeys);

    filter.slice = new byte[filter.slicesLength];

    return filter;
}

---

From source file:ffx.xray.MTZFilter.java

public boolean readFcs(File mtzFile, ReflectionList reflectionlist, DiffractionRefinementData fcdata,
        CompositeConfiguration properties) {
    int nread, nignore, nres, nfriedel, ncut;
    ByteOrder b = ByteOrder.nativeOrder();
    FileInputStream fis;/*from  w w  w .  jav a2s.co m*/
    DataInputStream dis;

    StringBuilder sb = new StringBuilder();
    try {
        fis = new FileInputStream(mtzFile);
        dis = new DataInputStream(fis);

        byte headeroffset[] = new byte[4];
        byte bytes[] = new byte[80];
        int offset = 0;

        // eat "MTZ" title
        dis.read(bytes, offset, 4);
        String mtzstr = new String(bytes);

        // header offset
        dis.read(headeroffset, offset, 4);

        // machine stamp
        dis.read(bytes, offset, 4);
        ByteBuffer bb = ByteBuffer.wrap(bytes);
        int stamp = bb.order(ByteOrder.BIG_ENDIAN).getInt();
        String stampstr = Integer.toHexString(stamp);
        switch (stampstr.charAt(0)) {
        case '1':
        case '3':
            if (b.equals(ByteOrder.LITTLE_ENDIAN)) {
                b = ByteOrder.BIG_ENDIAN;
            }
            break;
        case '4':
            if (b.equals(ByteOrder.BIG_ENDIAN)) {
                b = ByteOrder.LITTLE_ENDIAN;
            }
            break;
        }

        bb = ByteBuffer.wrap(headeroffset);
        int headeroffseti = bb.order(b).getInt();

        // skip to header and parse
        dis.skipBytes((headeroffseti - 4) * 4);

        for (Boolean parsing = true; parsing; dis.read(bytes, offset, 80)) {
            mtzstr = new String(bytes);
            parsing = parseHeader(mtzstr);
        }

        // column identifiers
        fc = phic = fs = phis = -1;
        boolean print = true;
        parseFcColumns(print);

        if (h < 0 || k < 0 || l < 0) {
            String message = "Fatal error in MTZ file - no H K L indexes?\n";
            logger.log(Level.SEVERE, message);
            return false;
        }

        // reopen to start at beginning
        fis = new FileInputStream(mtzFile);
        dis = new DataInputStream(fis);

        // skip initial header
        dis.skipBytes(80);

        float data[] = new float[nColumns];
        HKL mate = new HKL();

        // read in data
        ComplexNumber c = new ComplexNumber();
        nread = nignore = nres = nfriedel = ncut = 0;
        for (int i = 0; i < nReflections; i++) {
            for (int j = 0; j < nColumns; j++) {
                dis.read(bytes, offset, 4);
                bb = ByteBuffer.wrap(bytes);
                data[j] = bb.order(b).getFloat();
            }
            int ih = (int) data[h];
            int ik = (int) data[k];
            int il = (int) data[l];
            boolean friedel = reflectionlist.findSymHKL(ih, ik, il, mate, false);
            HKL hkl = reflectionlist.getHKL(mate);

            if (hkl != null) {
                if (fc > 0 && phic > 0) {
                    c.re(data[fc] * cos(toRadians(data[phic])));
                    c.im(data[fc] * sin(toRadians(data[phic])));
                    fcdata.setFc(hkl.index(), c);
                }
                if (fs > 0 && phis > 0) {
                    c.re(data[fs] * cos(toRadians(data[phis])));
                    c.im(data[fs] * sin(toRadians(data[phis])));
                    fcdata.setFs(hkl.index(), c);
                }
                nread++;
            } else {
                HKL tmp = new HKL(ih, ik, il);
                if (!reflectionlist.resolution
                        .inInverseResSqRange(Crystal.invressq(reflectionlist.crystal, tmp))) {
                    nres++;
                } else {
                    nignore++;
                }
            }
        }

        sb.append(String.format(" MTZ file type (machine stamp): %s\n", stampstr));
        sb.append(String.format(" Fc HKL read in:                             %d\n", nread));
        sb.append(String.format(" Fc HKL read as friedel mates:               %d\n", nfriedel));
        sb.append(String.format(" Fc HKL NOT read in (too high resolution):   %d\n", nres));
        sb.append(String.format(" Fc HKL NOT read in (not in internal list?): %d\n", nignore));
        sb.append(String.format(" Fc HKL NOT read in (F/sigF cutoff):         %d\n", ncut));
        sb.append(String.format(" HKL in internal list:                       %d\n",
                reflectionlist.hkllist.size()));
        if (logger.isLoggable(Level.INFO)) {
            logger.info(sb.toString());
        }
    } catch (EOFException eof) {
        System.out.println("EOF reached ");
        return false;
    } catch (IOException ioe) {
        System.out.println("IO Exception: " + ioe.getMessage());
        return false;
    }

    return true;
}

---

From source file:com.healthmarketscience.jackcess.impl.ColumnImpl.java

/**
 * Writes a numeric value./*from ww w.  ja v a 2s  .  c o  m*/
 */
private void writeNumericValue(ByteBuffer buffer, Object value) throws IOException {
    Object inValue = value;
    try {
        BigDecimal decVal = toBigDecimal(value);
        inValue = decVal;

        int signum = decVal.signum();
        if (signum < 0) {
            decVal = decVal.negate();
        }

        // write sign byte
        buffer.put((signum < 0) ? NUMERIC_NEGATIVE_BYTE : 0);

        // adjust scale according to this column type (will cause the an
        // ArithmeticException if number has too many decimal places)
        decVal = decVal.setScale(getScale());

        // check precision
        if (decVal.precision() > getPrecision()) {
            throw new IOException(
                    "Numeric value is too big for specified precision " + getPrecision() + ": " + decVal);
        }

        // convert to unscaled BigInteger, big-endian bytes
        byte[] intValBytes = toUnscaledByteArray(decVal, getType().getFixedSize() - 1);
        if (buffer.order() != ByteOrder.BIG_ENDIAN) {
            fixNumericByteOrder(intValBytes);
        }
        buffer.put(intValBytes);
    } catch (ArithmeticException e) {
        throw (IOException) new IOException("Numeric value '" + inValue + "' out of range").initCause(e);
    }
}

---

From source file:edu.hawaii.soest.kilonalu.adam.AdamParser.java

/**
 * A method that gets the channel five data mimimum as a converted decimal float
 *
 * @return channelFiveMin - the 2 bytes of the channelFiveMin data as a float
 *///from   ww w .ja  v a2  s .c om
public float getChannelFiveMin() {
    this.channelFiveMin.flip();
    int channelData = (int) this.channelFiveMin.order(ByteOrder.BIG_ENDIAN).getShort();

    return getVoltage(channelData);
}

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