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}