/*
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2022, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.core.testUtil;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import ch.qos.logback.core.AppenderBase;
  import ch.qos.logback.core.Layout;
  
  public class StringListAppender<E> extends AppenderBase<E> {
  
      Layout<E> layout;
      public List<String> strList = new ArrayList<String>();
  
      public void start() {
          strList.clear();
  
          if (layout == null || !layout.isStarted()) {
              return;
          }
          super.start();
      }
  
      public void stop() {
          super.stop();
      }
  
      @Override
      protected void append(E eventObject) {
          String res = layout.doLayout(eventObject);
          strList.add(res);
      }
  
      public Layout<E> getLayout() {
          return layout;
      }
  
      public void setLayout(Layout<E> layout) {
          this.layout = layout;
      }
  }