public override IPermission Union(IPermission target)
{
SiteIdentityPermission sip = Cast(target);
if ((sip == null) || sip.IsEmpty())
{
return(Copy());
}
if (IsEmpty())
{
return(sip.Copy());
}
if (Match(sip._site))
{
string s = ((_site.Length < sip._site.Length) ? _site : sip._site);
return(new SiteIdentityPermission(s));
}
#if NET_2_0
throw new ArgumentException(Locale.GetText(
"Cannot union two different sites."), "target");
#else
return(null);
#endif
}
/// <summary>Creates a permission that is the union of the current permission and the specified permission.</summary>
/// <returns>A new permission that represents the union of the current permission and the specified permission.</returns>
/// <param name="target">A permission to combine with the current permission. It must be of the same type as the current permission. </param>
/// <exception cref="T:System.ArgumentException">The <paramref name="target" /> parameter is not null and is not of the same type as the current permission. -or-The permissions are not equal and one is not a subset of the other.</exception>
public override IPermission Union(IPermission target)
{
SiteIdentityPermission siteIdentityPermission = this.Cast(target);
if (siteIdentityPermission == null || siteIdentityPermission.IsEmpty())
{
return(this.Copy());
}
if (this.IsEmpty())
{
return(siteIdentityPermission.Copy());
}
if (this.Match(siteIdentityPermission._site))
{
string site = (this._site.Length >= siteIdentityPermission._site.Length) ? siteIdentityPermission._site : this._site;
return(new SiteIdentityPermission(site));
}
throw new ArgumentException(Locale.GetText("Cannot union two different sites."), "target");
}
