C:/Private/OSS/n2cms/github/n2cms/src/Framework/N2/Collections/CompositeFilter.cs

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using System;
using System.Collections.Generic;
using System.Text;

namespace N2.Collections
{
        public class CompositeFilter : ItemFilter
        {
        private ItemFilter[] filters;

        public CompositeFilter(params ItemFilter[] filters)
        {
            this.filters = filters ?? new ItemFilter[0];
        }

        public CompositeFilter(IEnumerable<ItemFilter> filters)
        {
            this.filters = new List<ItemFilter>(filters).ToArray();
        }

        public ItemFilter[] Filters
        {
            get { return filters; }
            set { filters = value; }
        }

                public override bool Match(ContentItem item)
                {
                        foreach (ItemFilter filter in filters)
                                if (!filter.Match(item))
                                        return false;
                        return true;
                }

                public static ItemFilter Wrap(IList<ItemFilter> filters)
                {
                        if (filters == null || filters.Count == 0)
                                return new NullFilter();
                        else if (filters.Count == 1)
                                return filters[0];
                        else
                                return new CompositeFilter(filters);
                }

                public static ItemFilter Wrap(params ItemFilter[] filters)
                {
                        return Wrap((IList<ItemFilter>)filters);
                }
        }
}