1 /**
2 * Copyright (c) 2004-2011 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 /**
28 * Holds the results of formatting done by {@link MessageFormatter}.
29 *
30 * @author Joern Huxhorn
31 */
32 public class FormattingTuple {
33
34
35 static public FormattingTuple NULL = new FormattingTuple(null);
36
37 private String message;
38 private Throwable throwable;
39 private Object[] argArray;
40
41 public FormattingTuple(String message) {
42 this(message, null, null);
43 }
44
45 public FormattingTuple(String message, Object[] argArray, Throwable throwable) {
46 this.message = message;
47 this.throwable = throwable;
48 if(throwable == null) {
49 this.argArray = argArray;
50 } else {
51 this.argArray = trimmedCopy(argArray);
52 }
53 }
54
55 static Object[] trimmedCopy(Object[] argArray) {
56 if(argArray == null || argArray.length == 0) {
57 throw new IllegalStateException("non-sensical empty or null argument array");
58 }
59 final int trimemdLen = argArray.length -1;
60 Object[] trimmed = new Object[trimemdLen];
61 System.arraycopy(argArray, 0, trimmed, 0, trimemdLen);
62 return trimmed;
63 }
64
65 public String getMessage() {
66 return message;
67 }
68
69 public Object[] getArgArray() {
70 return argArray;
71 }
72
73 public Throwable getThrowable() {
74 return throwable;
75 }
76
77 }