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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.testUtil;
15  
16  import java.util.ArrayList;
17  import java.util.List;
18  
19  import ch.qos.logback.core.AppenderBase;
20  import ch.qos.logback.core.Layout;
21  
22  public class StringListAppender<E> extends AppenderBase<E> {
23  
24      Layout<E> layout;
25      public List<String> strList = new ArrayList<String>();
26  
27      public void start() {
28          strList.clear();
29  
30          if (layout == null || !layout.isStarted()) {
31              return;
32          }
33          super.start();
34      }
35  
36      public void stop() {
37          super.stop();
38      }
39  
40      @Override
41      protected void append(E eventObject) {
42          String res = layout.doLayout(eventObject);
43          strList.add(res);
44      }
45  
46      public Layout<E> getLayout() {
47          return layout;
48      }
49  
50      public void setLayout(Layout<E> layout) {
51          this.layout = layout;
52      }
53  }