2 * Sone - IntegerRangePredicate.java - Copyright © 2013–2016 David Roden
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/>.
18 package net.pterodactylus.sone.utils;
20 import com.google.common.base.Predicate;
23 * {@link Predicate} that verifies that an {@link Integer} value is not
24 * {@code null} and is between a lower and an upper bound. Both bounds are
27 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
29 public class IntegerRangePredicate implements Predicate<Integer> {
31 /** The lower bound. */
32 private final int lowerBound;
34 /** The upper bound. */
35 private final int upperBound;
38 * Creates a new integer range predicate.
45 public IntegerRangePredicate(int lowerBound, int upperBound) {
46 this.lowerBound = lowerBound;
47 this.upperBound = upperBound;
58 public boolean apply(Integer value) {
59 return (value != null) && (value >= lowerBound) && (value <= upperBound);
62 public static IntegerRangePredicate range(int lowerBound, int upperBound) {
63 return new IntegerRangePredicate(lowerBound, upperBound);