Logback: the reliable, generic, fast and flexible logging framework.
Copyright (C) 1999-2015, QOS.ch. All rights reserved.
This program and the accompanying materials are dual-licensed under
either the terms of the Eclipse Public License v1.0 as published by
the Eclipse Foundation
  or (per the licensee's choosing)
under the terms of the GNU Lesser General Public License version 2.1
as published by the Free Software Foundation.
/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.classic.spi;

import java.util.concurrent.CopyOnWriteArrayList;

import org.slf4j.Marker;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.turbo.TurboFilter;
import ch.qos.logback.core.spi.FilterReply;

Implementation of TurboFilterAttachable.
Author:
Ceki Gülcü/**
 * Implementation of TurboFilterAttachable.
 * 
 * @author Ceki Gülcü
 */
final public class TurboFilterList extends CopyOnWriteArrayList<TurboFilter> {

    private static final long serialVersionUID = 1L;

    
Loop through the filters in the chain. As soon as a filter decides on
ACCEPT or DENY, then that value is returned. If all of the filters return
NEUTRAL, then NEUTRAL is returned.
/**
     * Loop through the filters in the chain. As soon as a filter decides on
     * ACCEPT or DENY, then that value is returned. If all of the filters return
     * NEUTRAL, then NEUTRAL is returned.
     */
    public FilterReply getTurboFilterChainDecision(final Marker marker, final Logger logger, final Level level, final String format, final Object[] params,
                    final Throwable t) {

        final int size = size();
        // if (size == 0) {
        // return FilterReply.NEUTRAL;
        // }
        if (size == 1) {
            try {
                TurboFilter tf = get(0);
                return tf.decide(marker, logger, level, format, params, t);
            } catch (IndexOutOfBoundsException iobe) {
                return FilterReply.NEUTRAL;
            }
        }

        Object[] tfa = toArray();
        final int len = tfa.length;
        for (int i = 0; i < len; i++) {
            // for (TurboFilter tf : this) {
            final TurboFilter tf = (TurboFilter) tfa[i];
            final FilterReply r = tf.decide(marker, logger, level, format, params, t);
            if (r == FilterReply.DENY || r == FilterReply.ACCEPT) {
                return r;
            }
        }
        return FilterReply.NEUTRAL;
    }

    // public boolean remove(TurboFilter turboFilter) {
    // return tfList.remove(turboFilter);
    // }
    //
    // public TurboFilter remove(int index) {
    // return tfList.remove(index);
    // }
    //
    // final public int size() {
    // return tfList.size();
    // }

}