1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
4    *
5    * This program and the accompanying materials are dual-licensed under
6    * either the terms of the Eclipse Public License v1.0 as published by
7    * the Eclipse Foundation
8    *
9    *   or (per the licensee's choosing)
10   *
11   * under the terms of the GNU Lesser General Public License version 2.1
12   * as published by the Free Software Foundation.
13   */
14  package ch.qos.logback.core.spi;
15  
16  import java.util.Map;
17  import java.util.Properties;
18  
19  public interface PropertyContainer {
20  
21  
22      void addSubstitutionProperty(String key, String value);
23  
24      String getProperty(String key);
25  
26      Map<String, String> getCopyOfPropertyMap();
27  
28      default void addSubstitutionProperties(Properties props) {
29          if (props == null) {
30              return;
31          }
32          props.forEach((k, v) -> addSubstitutionProperty((String) k, (String) v));
33      }
34  }