Mega Code Archive
Class to represent unsigned 32-bit numbers
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/*
* D-Bus Java Implementation Copyright (c) 2005-2006 Matthew Johnson This
* program is free software; you can redistribute it and/or modify it under the
* terms of either the GNU Lesser General Public License Version 2 or the
* Academic Free Licence Version 2.1. Full licence texts are included in the
* COPYING file with this program.
*/
//package org.freedesktop.dbus;
import java.text.MessageFormat;
/**
* Class to represent unsigned 32-bit numbers.
*/
@SuppressWarnings("serial")
public class UInt32 extends Number implements Comparable<UInt32> {
/** Maximum allowed value */
public static final long MAX_VALUE = 4294967295L;
/** Minimum allowed value */
public static final long MIN_VALUE = 0;
private long value;
/**
* Create a UInt32 from a long.
*
* @param value
* Must be a valid integer within MIN_VALUE–MAX_VALUE
* @throws NumberFormatException
* if value is not between MIN_VALUE and MAX_VALUE
*/
public UInt32(long value) {
this.value = value;
}
/**
* Create a UInt32 from a String.
*
* @param value
* Must parse to a valid integer within MIN_VALUE–MAX_VALUE
* @throws NumberFormatException
* if value is not an integer between MIN_VALUE and MAX_VALUE
*/
public UInt32(String value) {
this(Long.parseLong(value));
}
/** The value of this as a byte. */
@Override
public byte byteValue() {
return (byte) value;
}
/**
* Compare two UInt32s.
*
* @return 0 if equal, -ve or +ve if they are different.
*/
public int compareTo(UInt32 other) {
return (int) (value - other.value);
}
/** The value of this as a double. */
@Override
public double doubleValue() {
return value;
}
/** Test two UInt32s for equality. */
@Override
public boolean equals(Object o) {
return (o instanceof UInt32) && (((UInt32) o).value == value);
}
/** The value of this as a float. */
@Override
public float floatValue() {
return value;
}
@Override
public int hashCode() {
return (int) value;
}
/** The value of this as a int. */
@Override
public int intValue() {
return (int) value;
}
/** The value of this as a long. */
@Override
public long longValue() {
return /* (long) */value;
}
/** The value of this as a short. */
@Override
public short shortValue() {
return (short) value;
}
/** The value of this as a string */
@Override
public String toString() {
return "" + value;
}
}
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