001/**
002 *
003 * Copyright © 2015 Florian Schmaus
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smack.util;
018
019public class NumberUtil {
020
021    /**
022     * Checks if the given long is within the range of an unsigned 32-bit integer, the XML type "xs:unsignedInt".
023     *
024     * @param value
025     */
026    public static void checkIfInUInt32Range(long value) {
027        if (value < 0) {
028            throw new IllegalArgumentException("unsigned 32-bit integers can't be negative");
029        }
030        if (value > ((1L << 32) - 1)) {
031            throw new IllegalArgumentException("unsigned 32-bit integers can't be greater then 2^32 - 1");
032        }
033    }
034}