public static boolean compareEqual()

in empire-db/src/main/java/org/apache/empire/commons/ObjectUtils.java [194:251]
47 lines of code
20 McCabe index (conditional complexity)

    public static boolean compareEqual(Object o1, Object o2)
    {
    	// simple case
    	if (o1==o2)
    		return true;
        // Check for Empty Values
        if (isEmpty(o1))
            return isEmpty(o2);
        if (isEmpty(o2))
            return isEmpty(o1);
        // Check classes
        if (o1.getClass().equals(o2.getClass()))
        {   // Check if object implements comparable
            if (o1 instanceof Comparable)
                return (((Comparable<Object>)o1).compareTo(o2)==0);
            else
                return o1.equals(o2);
        }
        // Classes don't match
        // Use equal check first
        if (o1.equals(o2) || o2.equals(o1))
            return true;
        // Compare Numbers
        if (o1 instanceof Number && o2 instanceof Number)
        {   // boolean test = obj1.equals(obj2);
            double d1 = ((Number)o1).doubleValue();
            double d2 = ((Number)o2).doubleValue(); 
            return (d1==d2);
        }
        // Compare Date with LocalDate / LocalDateTime
        if (o1 instanceof Temporal && o2 instanceof Date)
        {   // swap
            Object tmp = o2; o2 = o1; o1 = tmp; 
        }
        if (o1 instanceof Date && o2 instanceof LocalDate)
            return o1.equals(DateUtils.toDate((LocalDate)o2));
        if (o1 instanceof Date && o2 instanceof LocalDateTime)
            return o1.equals(DateUtils.toDate((LocalDateTime)o2));
        // Enum
        if (o1 instanceof Enum<?>)
        {   // Special enum handling   
            if (o2 instanceof Number)
                return ((Enum<?>)o1).ordinal()==((Number)o2).intValue();
            // Compare Strings
            String strVal = StringUtils.coalesce(getString((Enum<?>)o1), NULL);
            return strVal.equals(getString(o2));
        }
        else if (o2 instanceof Enum<?>)
        {   // Special enum handling   
            if (o1 instanceof Number)
                return ((Enum<?>)o2).ordinal()==((Number)o1).intValue();
            // Compare Strings
            String strVal = StringUtils.coalesce(getString((Enum<?>)o2), NULL); 
            return strVal.equals(getString(o1));
        }
        // Compare Strings
        return o1.toString().equals(o2.toString());
    }