001/*
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2026, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v2.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014
015package ch.qos.logback.core.model.processor;
016
017import java.util.ArrayList;
018import java.util.List;
019
020import ch.qos.logback.core.model.Model;
021import ch.qos.logback.core.spi.FilterReply;
022
023public class ChainedModelFilter implements ModelFilter {
024
025    List<ModelFilter> modelFilters = new ArrayList<>();
026
027    public ChainedModelFilter() {
028    }
029
030    static public ChainedModelFilter newInstance() {
031        return new ChainedModelFilter();
032    }
033
034    public ChainedModelFilter allow(Class<? extends Model> allowedType) {
035        modelFilters.add(new AllowModelFilter(allowedType));
036        return this;
037    }
038
039    public ChainedModelFilter deny(Class<? extends Model> allowedType) {
040        modelFilters.add(new DenyModelFilter(allowedType));
041        return this;
042    }
043
044    public ChainedModelFilter denyAll() {
045        modelFilters.add(new DenyAllModelFilter());
046        return this;
047    }
048
049    public ChainedModelFilter allowAll() {
050        modelFilters.add(new AllowAllModelFilter());
051        return this;
052    }
053
054    @Override
055    public FilterReply decide(Model model) {
056
057        for (ModelFilter modelFilter : modelFilters) {
058            FilterReply reply = modelFilter.decide(model);
059
060            switch (reply) {
061            case ACCEPT:
062            case DENY:
063                return reply;
064            case NEUTRAL:
065                // next
066            }
067        }
068        return FilterReply.NEUTRAL;
069    }
070
071}