Smack/smack-core/src/main/java/org/jivesoftware/smack/util/NumberUtil.java

35 lines
1.2 KiB
Java

/**
*
* Copyright © 2015 Florian Schmaus
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smack.util;
public class NumberUtil {
/**
* Checks if the given long is within the range of an unsigned 32-bit integer, the XML type "xs:unsignedInt".
*
* @param value
*/
public static void checkIfInUInt32Range(long value) {
if (value < 0) {
throw new IllegalArgumentException("unsigned 32-bit integers can't be negative");
}
if (value > ((1L << 32) - 1)) {
throw new IllegalArgumentException("unsigned 32-bit integers can't be greater then 2^32 - 1");
}
}
}