1 package net.sumaris.core.util;
2
3 /*-
4 * #%L
5 * SUMARiS:: Core shared
6 * %%
7 * Copyright (C) 2018 - 2019 SUMARiS Consortium
8 * %%
9 * This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation, either version 3 of the
12 * License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public
20 * License along with this program. If not, see
21 * <http://www.gnu.org/licenses/gpl-3.0.html>.
22 * #L%
23 */
24
25 import org.hibernate.boot.model.naming.Identifier;
26
27 import java.util.regex.Pattern;
28
29 /**
30 * @author Benoit Lavenier <benoit.lavenier@e-is.pro>*
31 */
32 public class StringUtils extends org.apache.commons.lang3.StringUtils {
33
34 public static String underscoreToChangeCase(String value) {
35 if (org.apache.commons.lang3.StringUtils.isBlank(value)) return value;
36 value = value.toLowerCase();
37
38 // Replace underscore by case change
39 int i = value.indexOf('_');
40 do {
41 if (i > 0 && i+1<value.length()) {
42 value = value.substring(0, i)
43 + value.substring(i+1, i+2).toUpperCase()
44 + ((i+1<value.length()) ? value.substring(i + 2) : "");
45 }
46 // Start with a underscore
47 else if (i == 0 && value.length() > 1) {
48 value = value.substring(1);
49 }
50 // Finish with a underscore
51 else if (i+1 == value.length()) {
52 return value.substring(0, i);
53 }
54 i = value.indexOf('_', i+1);
55 } while (i != -1);
56 return value;
57 }
58
59 public static String changeCaseToUnderscore(String value) {
60 if (org.apache.commons.lang3.StringUtils.isBlank(value)) return value;
61
62 // Replace case change by an underscore
63 String regex = "([a-z])([A-Z])";
64 String replacement = "$1_$2";
65 return value.replaceAll(regex, replacement).toLowerCase();
66 }
67 }