2 * Copyright (C) 2016 - 2020 Free Software Foundation
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.jcontacts.model.contact.gender;
19 import java.io.Serializable;
20 import java.text.MessageFormat;
21 import java.util.LinkedList;
22 import java.util.List;
27 * @author Roland Häder<roland@mxchange.org>
29 public class GenderUtils implements Serializable {
34 private static final long serialVersionUID = 185_683_479_107L;
37 * Cache for valid chars
39 private static char[] validChars;
42 * All available genders as a list
44 * @return Selectable genders (not UNKNOWN)
46 public static List<Gender> allGendersAsList () {
48 List<Gender> list = new LinkedList<>();
50 // Walk through all genders
51 for (final Gender gender : Gender.values()) {
52 // Add it and check if it has been added
61 * Getter for Gender enumeration from given character
63 * @param c Gender character
65 * @return Gender enumeration
67 public static Gender fromChar (final char c) {
72 for (final Gender gender : Gender.values()) {
73 // Does the char match?
74 if (c == gender.getAccessChar()) {
83 // Didn't found a valid one
84 throw new IllegalArgumentException(MessageFormat.format("Gender {0} is invalid.", c)); //NOI18N
92 * Valid chars (mostly for console client)
96 @SuppressWarnings ("ReturnOfCollectionOrArrayField")
97 public static char[] validChars () {
99 if (validChars != null) {
104 // Init array, only 2 are valid.
105 char[] valid = new char[2];
109 for (final Gender gender : Gender.values()) {
110 // Get access key as this is also the access
111 valid[i] = gender.getAccessChar();
120 // Return finialized array
125 * Private constructor as this is an utility class
127 private GenderUtils () {