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//------------------------------------------------------------------------------
//
// System.OperatingSystem.cs
//
// Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved
//
// Author: Jim Richardson, develop@wtfo-guru.com
// Created: Saturday, August 11, 2001
//
//------------------------------------------------------------------------------
using System;
using System.Globalization;
namespace System
{
/// <summary>
/// Class representing a specific operating system version for a specific platform
/// </summary>
[Serializable]
public sealed class OperatingSystem : ICloneable
{
private System.PlatformID itsPlatform;
private Version itsVersion;
public OperatingSystem(PlatformID platform, Version version)
{
if(version == null)
{
throw new ArgumentNullException();
}
itsPlatform = platform;
itsVersion = version;
}
/// <summary>
/// Get the PlatformID
/// </summary>
public PlatformID Platform
{
get
{
return itsPlatform;
}
}
/// <summary>
/// Gets the version object
/// </summary>
public Version Version
{
get
{
return itsVersion;
}
}
/// <summary>
/// Return a clone of this object
/// </summary>
public object Clone()
{
return new OperatingSystem(itsPlatform, itsVersion);
}
/// <summary>
/// Return true if obj equals this object
/// </summary>
public override bool Equals(object obj)
{
//Check for null and compare run-time types.
if (obj == null || GetType() != obj.GetType()) return false;
OperatingSystem os = (OperatingSystem)obj;
return (itsPlatform == os.itsPlatform) &&
(os.itsVersion.Equals(itsVersion));
}
/// <summary>
/// Return hash code
/// </summary>
public override int GetHashCode()
{ // this leave us enuf for 256 unique platforms which should suffice for a good while
return ((int)itsPlatform << 24) | itsVersion.GetHashCode() >> 8;
}
/// <summary>
/// Return a string reprentation of this instance
/// </summary>
public override string ToString()
{
string str;
switch(itsPlatform)
{
case System.PlatformID.Win32NT: str = "Microsoft Windows NT"; break;
case System.PlatformID.Win32S: str = "Microsoft Win32S"; break;
case System.PlatformID.Win32Windows: str = "Microsoft Windows 98"; break;
case System.PlatformID.Unix: str = "Unix"; break;
default: str = Locale.GetText ("<unknown>"); break;
}
return str + " " + itsVersion.ToString();
}
}
}
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