1 /*
2 * Copyright 2015 Data Archiving and Networked Services (an institute of
3 * Koninklijke Nederlandse Akademie van Wetenschappen), King's College London,
4 * Georg-August-Universitaet Goettingen Stiftung Oeffentlichen Rechts
5 *
6 * Licensed under the EUPL, Version 1.1 or – as soon they will be approved by
7 * the European Commission - subsequent versions of the EUPL (the "Licence");
8 * You may not use this work except in compliance with the Licence.
9 * You may obtain a copy of the Licence at:
10 *
11 * https://joinup.ec.europa.eu/software/page/eupl
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the Licence is distributed on an "AS IS" basis,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the Licence for the specific language governing
17 * permissions and limitations under the Licence.
18 */
19
20 package eu.ehri.project.utils;
21
22 /**
23 * Class for handling slugification of strings, for use
24 * in global identifiers.
25 */
26 public class Slugify {
27
28 private static final String DEFAULT_REPLACE = "-";
29
30 /**
31 * Slugify the input string using the default replacement string.
32 * @param input the String to slugify
33 * @return the slugified copy of the input string
34 */
35 public static String slugify(String input) {
36 return slugify(input, DEFAULT_REPLACE);
37 }
38
39 /**
40 * Slugify the input string using the given replacement string.
41 *
42 * @param input the String to slugify
43 * @param replacement the replacement string
44 * @return the slugified copy of the input string
45 */
46 public static String slugify(String input, String replacement) {
47 return input
48 .replaceAll("[\\p{P}=+<>~\\|]", replacement)
49 .replaceAll("\\s+", replacement) // whitespace
50 .replaceAll(replacement + "+", replacement) // replacements
51 .replaceAll("^" + replacement + "|" + replacement + "$", "") // leading/trailing replacements
52 .toLowerCase();
53 }
54 }
55