public Comparator getComparator()

in rest-util/src/main/java/org/apache/archiva/components/rest/util/QueryHelper.java [135:150]

• 15 lines of code
• 3 McCabe index (conditional complexity)

    public Comparator<T> getComparator( List<String> orderBy, boolean ascending )
    {
        if ( ascending )
        {
            return orderBy.stream( ).map( this::getAttributeComparator ).filter( Objects::nonNull )
                .reduce( Comparator::thenComparing )
                .orElseThrow( () -> new IllegalArgumentException( "No attribute ordering found" ) );
        }

        else
        {
            return orderBy.stream( ).map( ( String name ) -> getAttributeComparator( name ) == null ? null : getAttributeComparator( name )
                .reversed( ) ).filter( Objects::nonNull ).reduce( Comparator::thenComparing )
                .orElseThrow( () -> new IllegalArgumentException( "No attribute ordering found" ) );
        }
    }