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

65 lines
2.2 KiB
Java

/**
*
* Copyright © 2015-2020 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 TODO javadoc me please
* @deprecated use {@link #requireUInt32(long)} instead.
*/
@Deprecated
// TODO: Remove in Smack 4.5.
public static void checkIfInUInt32Range(long value) {
requireUInt32(value);
}
/**
* Checks if the given long is within the range of an unsigned 32-bit integer, the XML type "xs:unsignedInt".
*
* @param value the long to check.
* @return the input value.
*/
public static long requireUInt32(long value) {
if (value < 0) {
throw new IllegalArgumentException("unsigned 32-bit integers can't be negative: " + value);
}
if (value > ((1L << 32) - 1)) {
throw new IllegalArgumentException("unsigned 32-bit integers can't be greater than 2^32 - 1: " + value);
}
return value;
}
/**
* Checks if the given int is within the range of an unsigned 16-bit integer, the XML type "xs:unsignedShort".
*
* @param value the int to check.
* @return the input value.
*/
public static int requireUShort16(int value) {
if (value < 0) {
throw new IllegalArgumentException("unsigned 16-bit integers can't be negative: " + value);
}
if (value > ((1 << 16) - 1)) {
throw new IllegalArgumentException("unsigned 16-bit integers can't be greater than 2^16 - 1: " + value);
}
return value;
}
}