001/** 002 * 003 * Copyright 2019-2024 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.datatypes; 018 019import org.jivesoftware.smack.util.NumberUtil; 020 021/** 022 * A number representing an unsigned 32-bit integer. Can be used for values with the XML schema type "xs:unsignedInt". 023 */ 024public final class UInt32 extends Scalar { 025 026 private static final long serialVersionUID = 1L; 027 028 private final long number; 029 030 public static final long MIN_VALUE_LONG = 0; 031 public static final long MAX_VALUE_LONG = (1L << 32) - 1; 032 033 public static final UInt32 MIN_VALUE = UInt32.from(MAX_VALUE_LONG); 034 public static final UInt32 MAX_VALUE = UInt32.from(MAX_VALUE_LONG); 035 036 private UInt32(long number) { 037 super(NumberUtil.requireUInt32(number)); 038 this.number = number; 039 } 040 041 public long nativeRepresentation() { 042 return number; 043 } 044 045 public static UInt32 from(long number) { 046 return new UInt32(number); 047 } 048 049 @Override 050 public int hashCode() { 051 return Long.hashCode(number); 052 } 053 054 @Override 055 public boolean equals(Object other) { 056 if (other instanceof UInt32) { 057 UInt32 otherUint32 = (UInt32) other; 058 return number == otherUint32.number; 059 } 060 061 return super.equals(other); 062 } 063 064 @Override 065 public UInt32 getMinValue() { 066 return MIN_VALUE; 067 } 068 069 @Override 070 public UInt32 getMaxValue() { 071 return MAX_VALUE; 072 } 073 074 @Override 075 public UInt32 incrementedByOne() { 076 long incrementedValue = number < MAX_VALUE_LONG ? number + 1 : 0; 077 return UInt32.from(incrementedValue); 078 } 079}