wvp/src/main/java/com/genersoft/iot/vmp/utils/ObjectUtils.java

package com.genersoft.iot.vmp.utils;

import java.util.Arrays;

public class ObjectUtils {
    public static boolean nullSafeEquals(Object o1, Object o2) {
        if (o1 == o2) {
            return true;
        } else if (o1 != null && o2 != null) {
            if (o1.equals(o2)) {
                return true;
            } else {
                return o1.getClass().isArray() && o2.getClass().isArray() && arrayEquals(o1, o2);
            }
        } else {
            return false;
        }
    }

    private static boolean arrayEquals(Object o1, Object o2) {
        if (o1 instanceof Object[] && o2 instanceof Object[]) {
            return Arrays.equals((Object[])((Object[])o1), (Object[])((Object[])o2));
        } else if (o1 instanceof boolean[] && o2 instanceof boolean[]) {
            return Arrays.equals((boolean[])((boolean[])o1), (boolean[])((boolean[])o2));
        } else if (o1 instanceof byte[] && o2 instanceof byte[]) {
            return Arrays.equals((byte[])((byte[])o1), (byte[])((byte[])o2));
        } else if (o1 instanceof char[] && o2 instanceof char[]) {
            return Arrays.equals((char[])((char[])o1), (char[])((char[])o2));
        } else if (o1 instanceof double[] && o2 instanceof double[]) {
            return Arrays.equals((double[])((double[])o1), (double[])((double[])o2));
        } else if (o1 instanceof float[] && o2 instanceof float[]) {
            return Arrays.equals((float[])((float[])o1), (float[])((float[])o2));
        } else if (o1 instanceof int[] && o2 instanceof int[]) {
            return Arrays.equals((int[])((int[])o1), (int[])((int[])o2));
        } else if (o1 instanceof long[] && o2 instanceof long[]) {
            return Arrays.equals((long[])((long[])o1), (long[])((long[])o2));
        } else {
            return o1 instanceof short[] && o2 instanceof short[] && Arrays.equals((short[]) ((short[]) o1), (short[]) ((short[]) o2));
        }
    }
}