Gridarta Editor
NumberUtils.java
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1 /*
2  * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
3  * Copyright (C) 2000-2023 The Gridarta Developers.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 package net.sf.gridarta.utils;
21 
22 import org.jetbrains.annotations.NotNull;
23 
28 public class NumberUtils {
29 
33  private NumberUtils() {
34  }
35 
41  public static int parseInt(@NotNull final String s) {
42  return parseInt(s, 0);
43  }
44 
51  public static int parseInt(@NotNull final String s, final int defaultValue) {
52  if (s.isEmpty()) {
53  return defaultValue;
54  }
55 
56  try {
57  return Integer.parseInt(s);
58  } catch (final NumberFormatException ignored) {
59  return defaultValue;
60  }
61  }
62 
68  public static long parseLong(@NotNull final String s) {
69  if (s.isEmpty()) {
70  return 0L;
71  }
72 
73  try {
74  return Long.parseLong(s);
75  } catch (final NumberFormatException ignored) {
76  return 0L;
77  }
78  }
79 
85  public static double parseDouble(@NotNull final String s) {
86  if (s.isEmpty()) {
87  return 0.0;
88  }
89 
90  try {
91  return Double.parseDouble(s);
92  } catch (final NumberFormatException ignored) {
93  return 0.0;
94  }
95  }
96 
97 }
net.sf.gridarta.utils.NumberUtils.parseInt
static int parseInt(@NotNull final String s)
Parses an integer string.
Definition: NumberUtils.java:41
net.sf.gridarta.utils.NumberUtils.parseInt
static int parseInt(@NotNull final String s, final int defaultValue)
Parses an integer string.
Definition: NumberUtils.java:51
net.sf.gridarta.utils.NumberUtils.parseLong
static long parseLong(@NotNull final String s)
Parses a long string.
Definition: NumberUtils.java:68
net.sf.gridarta.utils.NumberUtils.parseDouble
static double parseDouble(@NotNull final String s)
Parses a double string.
Definition: NumberUtils.java:85
net.sf.gridarta.utils.NumberUtils.NumberUtils
NumberUtils()
Private constructor to prevent instantiation.
Definition: NumberUtils.java:33
net.sf.gridarta.utils.NumberUtils
Utility class for parsing strings into numbers.
Definition: NumberUtils.java:28