001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, 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 v1.0 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 */
014package ch.qos.logback.core.pattern;
015
016import ch.qos.logback.core.Context;
017
018/**
019 * Implements this to perform post compile processing for a PatternLayout.
020 * 
021 * For example, PatternLayout in the classic module should add a converter for
022 * exception handling (otherwise exceptions would not be printed).
023 * 
024 * @author Ceki Gulcu
025 */
026public interface PostCompileProcessor<E> {
027
028    /**
029     * Post compile processing of the converter chain.
030     * 
031     * @param head
032     *                The first converter in the chain
033     */
034    void process(Context context, Converter<E> head);
035}