/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2021, 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.classic.testUtil;
  
  import java.io.PrintStream;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  /**
   * This class is duplicated in slf4j-api-testsjar since 2.0.0-alpha4.
   * 
   * Use the copy in since 2.0.0-alpha4-tests.jar once it is released.
   * 
   * @author Ceki
   *
   */
  public class StringPrintStream extends PrintStream {
  
      public static final String LINE_SEP = System.getProperty("line.separator");
      PrintStream other;
      boolean duplicate = false;
  
      public List<String> stringList = Collections.synchronizedList(new ArrayList<String>());
  
      public StringPrintStream(PrintStream ps, boolean duplicate) {
          super(ps);
          other = ps;
          this.duplicate = duplicate;
      }
  
      public StringPrintStream(PrintStream ps) {
          this(ps, false);
      }
  
      public void print(String s) {
          if (duplicate)
              other.print(s);
          stringList.add(s);
      }
  
      public void println(String s) {
          if (duplicate)
              other.println(s);
          stringList.add(s);
      }
  
      public void println(Object o) {
          if (duplicate)
              other.println(o);
          stringList.add(o.toString());
      }
  }