public int compareTo()

in src/main/java/org/apache/sling/testing/mock/sling/oak/impl/ComparableVersion.java [526:578]
44 lines of code
17 McCabe index (conditional complexity)

        public int compareTo( Item item )
        {
            if ( item == null )
            {
                if ( size() == 0 )
                {
                    return 0; // 1-0 = 1- (normalize) = 1
                }
                // Compare the entire list of items with null - not just the first one, MNG-6964
                for ( Item i : this )
                {
                    int result = i.compareTo( null );
                    if ( result != 0 )
                    {
                        return result;
                    }
                }
                return 0;
            }
            switch ( item.getType() )
            {
                case INT_ITEM:
                case LONG_ITEM:
                case BIGINTEGER_ITEM:
                    return -1; // 1-1 < 1.0.x

                case STRING_ITEM:
                    return 1; // 1-1 > 1-sp

                case LIST_ITEM:
                    Iterator<Item> left = iterator();
                    Iterator<Item> right = ( (ListItem) item ).iterator();

                    while ( left.hasNext() || right.hasNext() )
                    {
                        Item l = left.hasNext() ? left.next() : null;
                        Item r = right.hasNext() ? right.next() : null;

                        // if this is shorter, then invert the compare and mul with -1
                        int result = l == null ? ( r == null ? 0 : -1 * r.compareTo( l ) ) : l.compareTo( r );

                        if ( result != 0 )
                        {
                            return result;
                        }
                    }

                    return 0;

                default:
                    throw new IllegalStateException( "invalid item: " + item.getClass() );
            }
        }