Java Integer Convert To fromInt(final int value, final int length)

Description

from Int

License

Open Source License

Declaration

public static boolean[] fromInt(final int value, final int length) 

Method Source Code

//package com.java2s;

public class Main {
    public static boolean[] fromInt(final int value, final int length) {
        boolean[] result = new boolean[length];
        final boolean isNegative = (value < 0);

        int divResult = isNegative ? -value : value;
        int index = length - 1;
        // Calc value
        while (divResult > 0) {
            final int remains = divResult % 2;
            result[index--] = (remains == 1);

            divResult /= 2;//from www .  ja v a2s.c  o  m
        }
        if (isNegative) {
            result = invert(result);
            result = inc(result);
        }

        return result;
    }

    private static boolean[] invert(boolean[] result) {
        for (int i = 0; i < result.length; i++)
            result[i] = !result[i];
        return result;
    }

    public static boolean[] inc(boolean[] input) {
        boolean[] result = new boolean[input.length];
        // boolean flag = input[input.length-1];
        boolean add = true;
        for (int i = input.length - 1; i >= 0; i--) {
            result[i] = input[i] ^ add; // XOR
            add = input[i] && add;

        }
        return result;
    }
}

Related

1. convertIntToLong(Integer intId)
2. convertInttoMultiByte(int val)
3. convertIntToTwoChar(int n)
4. convertIntToUsignedBytes(int integer)
5. fromInt(byte[] buffer, int pos, int i)
6. fromInt(int i)
7. fromint(int i)
8. fromInt(int input)
9. fromInt(int input)