com.greenpepper.internal.ch.qos.logback.core.spi.FilterAttachableImpl Maven / Gradle / Ivy
/**
* 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 com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.spi;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.filter.Filter;
/**
* Implementation of FilterAttachable.
*
* @author Ceki Gülcü
*/
final public class FilterAttachableImpl implements FilterAttachable {
CopyOnWriteArrayList> filterList = new CopyOnWriteArrayList>();
/**
* Add a filter to end of the filter list.
*/
public void addFilter(Filter newFilter) {
filterList.add(newFilter);
}
/**
* Clear the filter chain
*/
public void clearAllFilters() {
filterList.clear();
}
/**
* Loop through the filters in the list. 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 getFilterChainDecision(E event) {
for (Filter f : filterList) {
final FilterReply r = f.decide(event);
if (r == FilterReply.DENY || r == FilterReply.ACCEPT) {
return r;
}
}
return FilterReply.NEUTRAL;
}
public List> getCopyOfAttachedFiltersList() {
return new ArrayList>(filterList);
}
}