/* * Zone.cs - Implementation of the *		"System.Security.Policy.Zone" class. * * Copyright (C) 2003  Southern Storm Software, Pty Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */namespace System.Security.Policy{#if CONFIG_POLICY_OBJECTSusing System.Security.Permissions;[Serializable]public sealed class Zone#if CONFIG_PERMISSIONS	: IIdentityPermissionFactory#endif{	// Internal state.	private SecurityZone zone;	// Constructor.	public Zone(SecurityZone zone)			{				if(((int)zone) < ((int)(SecurityZone.NoZone)) ||				   ((int)zone) > ((int)(SecurityZone.Untrusted)))				{					throw new ArgumentException(_("Arg_SecurityZone"));				}				this.zone = zone;			}	// Get the security zone value.	public SecurityZone SecurityZone			{				get				{					return zone;				}			}	// Make a copy of this object.	public Object Copy()			{				return new Zone(zone);			}	// Create a new zone from a URL.  We assume that everything is	// in the "Internet" zone in this implementation.	public static Zone CreateFromUrl(String url)			{				if(url == null)				{					throw new ArgumentNullException("url");				}				return new Zone(SecurityZone.Internet);			}#if CONFIG_PERMISSIONS	// Implement the IIdentityPermissionFactory interface	public IPermission CreateIdentityPermission(Evidence evidence)			{				return new ZoneIdentityPermission(zone);			}#endif	// Determine if two objects are equal.	public override bool Equals(Object obj)			{				Zone other = (obj as Zone);				if(other != null)				{					return (other.zone == zone);				}				else				{					return false;				}			}	// Get the hash code for this object.	public override int GetHashCode()			{				return ((int)zone).GetHashCode();			}	// Convert this object into a string.	public override String ToString()			{				return zone.ToString();			}}; // class Zone#endif // CONFIG_POLICY_OBJECTS}; // namespace System.Security.Policy