Java Long to Byte longToByte(long l)

Description

Converts one long value to its byte value.

License

Open Source License

Parameter

Parameter	Description
l	The long value

Exception

Parameter	Description
IllegalArgumentException	when l is not in between 0 and 255.

Return

It's byte value

Declaration

public static byte longToByte(long l) throws IllegalArgumentException 

Method Source Code

//package com.java2s;

public class Main {
    /**/*from  w  w w. j av  a  2 s. com*/
     * Converts one long value to its byte value.
     *
     * @param l The long value
     * @return It's byte value
     * @throws IllegalArgumentException when l is not in between 0 and 255.
     *
     * @see #longToByte(long[])
     * @since 4_14
     */
    public static byte longToByte(long l) throws IllegalArgumentException {
        byte ret = 0;
        if ((l < 0) || (l > 255)) {
            throw new IllegalArgumentException("Valid byte values are between 0 and 255." + "Got " + l);
        }
        ret = (byte) (l);
        return ret;
    }

    /**
     * Converts an array of long values to its array of byte values.
     *
     * @param l The array of longs
     * @return The array of bytes
     * @throws IllegalArgumentException when one of the longs is not in between 0 and 255.
     *
     * @see #longToByte(long)
     * @since 4_14
     */
    public static byte[] longToByte(long[] l) throws IllegalArgumentException {
        int len = l.length;
        byte[] ret = new byte[len];
        for (int i = 0; i < len; i++) {
            ret[i] = longToByte(l[i]);
        }
        return ret;
    }
}

Related

1. longToByte(byte[] buf, int off, long value)
2. longToByte(final long value)
3. longToByte(long a_value)
4. longToByte(long i)
5. longToByte(long i_Value)
6. longToByte(long l)
7. longToByte(long l)
8. longToByte(long number)
9. longToByte(long value)