1 /**
2 * Copyright (c) 2004-2021 QOS.ch
3 * All rights reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 *
24 */
25 package org.slf4j.helpers;
26
27 import java.io.PrintStream;
28 import java.util.ArrayList;
29 import java.util.Collections;
30 import java.util.List;
31
32 /**
33 *
34 * Copied from org.slfj.helpers.
35 *
36 * Currently it is not possible to use test-jar from tests running on the module-path.
37 *
38 * @author ceki
39 *
40 */
41 public class StringPrintStream extends PrintStream {
42
43 public static final String LINE_SEP = System.getProperty("line.separator");
44 PrintStream other;
45 boolean duplicate = false;
46
47 public List<String> stringList = Collections.synchronizedList(new ArrayList<>());
48
49 public StringPrintStream(PrintStream ps, boolean duplicate) {
50 super(ps);
51 other = ps;
52 this.duplicate = duplicate;
53 }
54
55 public StringPrintStream(PrintStream ps) {
56 this(ps, false);
57 }
58
59 public void print(String s) {
60 if (duplicate)
61 other.print(s);
62 stringList.add(s);
63 }
64
65 public void println(String s) {
66 if (duplicate)
67 other.println(s);
68 stringList.add(s);
69 }
70
71 public void println(Object o) {
72 if (duplicate)
73 other.println(o);
74 stringList.add(o.toString());
75 }
76 }