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.spi;
015
016import java.util.Map;
017import java.util.Properties;
018
019public interface PropertyContainer {
020
021
022    void addSubstitutionProperty(String key, String value);
023
024    String getProperty(String key);
025
026    Map<String, String> getCopyOfPropertyMap();
027
028    default void addSubstitutionProperties(Properties props) {
029        if (props == null) {
030            return;
031        }
032        for (Object keyObject : props.keySet()) {
033            String key = (String) keyObject;
034            String val = props.getProperty(key);
035            addSubstitutionProperty(key, val);
036        }
037    }
038}