Example usage for org.apache.hadoop.io MD5Hash halfDigest

Introduction

In this page you can find the example usage for org.apache.hadoop.io MD5Hash halfDigest.

Prototype

public long halfDigest() 

Source Link

Document

Construct a half-sized version of this MD5.

Usage

From source file:bytes.ByteValues.java

License:Open Source License

public static byte[] getFullValue(String id) throws NotSupportedDatatypeException {
    byte[] ret = new byte[totalBytes];

    byte t = (byte) 1;//default String
    byte[] val = null;
    if (id.contains("\"^^")) {//type
        StringTokenizer tokenizer = new StringTokenizer(id);
        String value = tokenizer.nextToken("^^");
        String type = tokenizer.nextToken();
        type = type.substring(type.lastIndexOf("#") + 1, type.length() - 1);
        //System.out.println(type +" value: "+value);
        if (type.contains("string")) {
            t = TYPE_STRING;//from   w  w  w  .ja  v a2 s .  c o  m
            //System.out.println(t +" value: "+value);
            MD5Hash md5h = MD5Hash.digest(value);
            long hashVal = md5h.halfDigest();
            val = Bytes.toBytes(hashVal);
        } else if (type.contains("boolean")) {
            t = TYPE_BOOLEAN;
            val = new byte[valueBytes];
            if (value.contains("true") || value.contains("1")) {
                val[valueBytes - 1] = (byte) 1;
            } else if (value.contains("false") || value.contains("0")) {
                val[valueBytes - 1] = (byte) 0;
            }
        } else if (type.contains("int")) {
            t = TYPE_INT;
            val = Bytes
                    .toBytes(SortedInt.toSortedInt(Integer.parseInt(value.substring(1, value.length() - 1))));
        } else if (type.contains("long")) {
            t = TYPE_LONG;
            val = Bytes
                    .toBytes(SortedLong.toSortedLong(Long.parseLong(value.substring(1, value.length() - 1))));
        } else if (type.contains("demical")) {
            t = TYPE_DEMICAL;
            throw new NotSupportedDatatypeException(type);
        } else if (type.contains("float")) {
            t = TYPE_FLOAT;
            val = Bytes.toBytes(Float.parseFloat(value.substring(1, value.length() - 1)));
        } else if (type.contains("double")) {
            t = TYPE_DOUBLE;
            val = Bytes.toBytes(Double.parseDouble(value.substring(1, value.length() - 1)));
        } else if (type.contains("duration")) {
            t = TYPE_DURATION;
            throw new NotSupportedDatatypeException(type);
        } else if (type.contains("datetime")) {
            t = TYPE_DATETIME;
            throw new NotSupportedDatatypeException(type);
        } else if (type.contains("time")) {
            t = TYPE_TIME;
            throw new NotSupportedDatatypeException(type);
        } else if (type.contains("date")) {
            t = TYPE_DATE;
            System.out.println(type + " value: " + value);
            String date = value.substring(1, value.length() - 1);
            StringTokenizer t2 = new StringTokenizer(date);
            int day = Integer.parseInt(t2.nextToken("/"));
            int month = Integer.parseInt(t2.nextToken("/"));
            int year = Integer.parseInt(t2.nextToken("/"));
            System.out.println(day + " " + month + " " + year);

            Calendar c = Calendar.getInstance();
            c.set(year, month, day);
            val = Bytes.toBytes(c.getTimeInMillis());
        } else {
            System.out.println(type + " value: " + value);
            throw new NotSupportedDatatypeException(type);
        }

    } else {//string
        t = TYPE_STRING;
        //System.out.println(t +" value: "+value);
        MD5Hash md5h = MD5Hash.digest(id);
        long hashVal = md5h.halfDigest();
        val = Bytes.toBytes(hashVal);
    }

    ret[0] = t;
    for (int i = 0; i < valueBytes; i++) {
        ret[i + 1] = val[i];
    }

    if (ret.length != totalBytes) {
        System.exit(5);
    }

    return ret;

}

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From source file:bytes.ByteValues.java

License:Open Source License

public static byte[] getFullValue(String value, String type) throws NotSupportedDatatypeException {
    byte[] ret = new byte[totalBytes];
    value = "\"" + value + "\"";
    //System.out.println(value);
    byte t = (byte) 1;//default String
    byte[] val = null;
    if (type.contains("string")) {
        t = TYPE_STRING;/* w w w.  j  a  v a  2s  .c  om*/
        //System.out.println(t +" value: "+value);
        MD5Hash md5h = MD5Hash.digest(value);
        long hashVal = md5h.halfDigest();
        val = Bytes.toBytes(hashVal);
    } else if (type.contains("boolean")) {
        t = TYPE_BOOLEAN;
        val = new byte[valueBytes];
        if (value.contains("true") || value.contains("1")) {
            val[valueBytes - 1] = (byte) 1;
        } else if (value.contains("false") || value.contains("0")) {
            val[valueBytes - 1] = (byte) 0;
        }
    } else if (type.contains("int")) {
        t = TYPE_INT;
        val = Bytes.toBytes(SortedInt.toSortedInt(Integer.parseInt(value.substring(1, value.length() - 1))));
    } else if (type.contains("long")) {
        t = TYPE_LONG;
        val = Bytes.toBytes(SortedLong.toSortedLong(Long.parseLong(value.substring(1, value.length() - 1))));
    } else if (type.contains("demical")) {
        t = TYPE_DEMICAL;
        throw new NotSupportedDatatypeException(type);
    } else if (type.contains("float")) {
        t = TYPE_FLOAT;
        val = Bytes.toBytes(Float.parseFloat(value.substring(1, value.length() - 1)));
    } else if (type.contains("double")) {
        t = TYPE_DOUBLE;
        val = Bytes.toBytes(Double.parseDouble(value.substring(1, value.length() - 1)));
    } else if (type.contains("duration")) {
        t = TYPE_DURATION;
        throw new NotSupportedDatatypeException(type);
    } else if (type.contains("datetime")) {
        t = TYPE_DATETIME;
        throw new NotSupportedDatatypeException(type);
    } else if (type.contains("time")) {
        t = TYPE_TIME;
        throw new NotSupportedDatatypeException(type);
    } else if (type.contains("date")) {
        t = TYPE_DATE;
        System.out.println(type + " value: " + value);
        String date = value.substring(1, value.length() - 1);
        StringTokenizer t2 = new StringTokenizer(date);
        int day = Integer.parseInt(t2.nextToken("/"));
        int month = Integer.parseInt(t2.nextToken("/"));
        int year = Integer.parseInt(t2.nextToken("/"));
        System.out.println(day + " " + month + " " + year);

        Calendar c = Calendar.getInstance();
        c.set(year, month, day);
        val = Bytes.toBytes(c.getTimeInMillis());
    } else {
        System.out.println(type + " value: " + value);
        throw new NotSupportedDatatypeException(type);
    }

    ret[0] = t;
    for (int i = 0; i < valueBytes; i++) {
        ret[i + 1] = val[i];
    }

    if (ret.length != totalBytes) {
        System.exit(5);
    }

    return ret;
}

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