Example usage for java.lang Double toHexString

List of usage examples for java.lang Double toHexString

Introduction

In this page you can find the example usage for java.lang Double toHexString.

Prototype

public static String toHexString(double d) 

Source Link

Document

Returns a hexadecimal string representation of the double argument.

Usage

From source file:edu.harvard.iq.dataverse.ingest.tabulardata.impl.plugins.sav.SAVFileReader.java

private void parseRT7SubTypefield(BufferedInputStream stream) throws IOException {
    int length_unit_length = 4;
    int length_number_of_units = 4;
    int storage_size = length_unit_length + length_number_of_units;

    int[] headerSection = new int[2];

    byte[] byteStorage = new byte[storage_size];

    try {//from  w  ww .ja  v a  2  s.c om
        int nbytes = stream.read(byteStorage);
        // to-do check against nbytes

        //printHexDump(byteStorage, "RT7:storage");

        ByteBuffer bb_data_type = ByteBuffer.wrap(byteStorage, 0, length_unit_length);
        if (isLittleEndian) {
            bb_data_type.order(ByteOrder.LITTLE_ENDIAN);
        }

        int unitLength = bb_data_type.getInt();
        dbgLog.fine("parseRT7 SubTypefield: unitLength=" + unitLength);

        ByteBuffer bb_number_of_units = ByteBuffer.wrap(byteStorage, length_unit_length,
                length_number_of_units);
        if (isLittleEndian) {
            bb_number_of_units.order(ByteOrder.LITTLE_ENDIAN);
        }

        int numberOfUnits = bb_number_of_units.getInt();
        dbgLog.fine("parseRT7 SubTypefield: numberOfUnits=" + numberOfUnits);

        headerSection[0] = unitLength;
        headerSection[1] = numberOfUnits;

        for (int i = 0; i < numberOfUnits; i++) {
            byte[] work = new byte[unitLength];

            int nb = stream.read(work);
            dbgLog.finer("raw bytes in Hex:" + new String(Hex.encodeHex(work)));
            ByteBuffer bb_field = ByteBuffer.wrap(work);
            if (isLittleEndian) {
                bb_field.order(ByteOrder.LITTLE_ENDIAN);
            }
            dbgLog.fine("RT7ST: raw bytes in Hex:" + new String(Hex.encodeHex(bb_field.array())));
            if (unitLength == 4) {
                int fieldData = bb_field.getInt();
                dbgLog.fine("RT7ST: " + i + "-th fieldData=" + fieldData);
                dbgLog.fine("RT7ST: fieldData in Hex=" + Integer.toHexString(fieldData));
            } else if (unitLength == 8) {
                double fieldData = bb_field.getDouble();
                dbgLog.finer("RT7ST: " + i + "-th fieldData=" + fieldData);
                dbgLog.finer("RT7ST: fieldData in Hex=" + Double.toHexString(fieldData));

            }
            dbgLog.finer("");
        }

    } catch (IOException ex) {
        //ex.printStackTrace();
        throw ex;
    }

}

From source file:xbdd.webapp.resource.feature.Report.java

protected String s4() {
    return Double.toHexString(Math.floor((1 + Math.random()) * 0x10000)).substring(1);
}