Site.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Security / Policy / Site.cs / 1 / Site.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 

// 
//  Site.cs 
//
//  Site is an IIdentity representing internet sites. 
//

namespace System.Security.Policy {
    using System.Security.Util; 
    using System.Globalization;
    using SiteIdentityPermission = System.Security.Permissions.SiteIdentityPermission; 
 
    [Serializable]
[System.Runtime.InteropServices.ComVisible(true)] 
    sealed public class Site : IIdentityPermissionFactory, IBuiltInEvidence
    {
        private SiteString m_name;
 
        internal Site()
        { 
            m_name = null; 
        }
 
        public Site(String name)
        {
            if (name == null)
                throw new ArgumentNullException("name"); 

            m_name = new SiteString( name ); 
        } 

        internal Site( byte[] id, String name ) 
        {
            m_name = ParseSiteFromUrl( name );
        }
 
        public static Site CreateFromUrl( String url )
        { 
            Site site = new Site(); 

            site.m_name = ParseSiteFromUrl( url ); 

            return site;
        }
 
        private static SiteString ParseSiteFromUrl( String name )
        { 
            URLString urlString = new URLString( name ); 

            if (String.Compare( urlString.Scheme, "file", StringComparison.OrdinalIgnoreCase) == 0) 
                throw new ArgumentException( Environment.GetResourceString( "Argument_InvalidSite" ) );

            return new SiteString( new URLString( name ).Host );
        } 

        public String Name 
        { 
            get
            { 
                if (m_name != null)
                    return m_name.ToString();
                else
                    return null; 
            }
        } 
 
        internal SiteString GetSiteString()
        { 
            return m_name;
        }

        public IPermission CreateIdentityPermission( Evidence evidence ) 
        {
            return new SiteIdentityPermission( Name ); 
        } 

        public override bool Equals(Object o) 
        {
            if (o is Site)
            {
                Site s = (Site) o; 
                    if (Name == null)
                        return (s.Name == null); 
 
                return String.Compare( Name, s.Name, StringComparison.OrdinalIgnoreCase) == 0;
            } 

            return false;
        }
 
        public override int GetHashCode()
        { 
            String name = this.Name; 

            if (name == null) 
                return 0;
            else
                return name.GetHashCode();
        } 

        public Object Copy() 
        { 
            return new Site(this.Name);
        } 

        internal SecurityElement ToXml()
        {
            SecurityElement elem = new SecurityElement( "System.Security.Policy.Site" ); 
            // If you hit this assert then most likely you are trying to change the name of this class.
            // This is ok as long as you change the hard coded string above and change the assert below. 
            BCLDebug.Assert( this.GetType().FullName.Equals( "System.Security.Policy.Site" ), "Class name changed!" ); 

            elem.AddAttribute( "version", "1" ); 

            if(m_name != null)
                elem.AddChild( new SecurityElement( "Name", m_name.ToString() ) );
 
            return elem;
        } 
 
        /// 
        int IBuiltInEvidence.OutputToBuffer( char[] buffer, int position, bool verbose ) 
        {
            buffer[position++] = BuiltInEvidenceHelper.idSite;
            String name = this.Name;
            int length = name.Length; 

            if (verbose) 
            { 
                BuiltInEvidenceHelper.CopyIntToCharArray(length, buffer, position);
                position += 2; 
            }
            name.CopyTo( 0, buffer, position, length );
            return length + position;
        } 

        ///  
        int IBuiltInEvidence.GetRequiredSize(bool verbose) 
        {
            if (verbose) 
                return this.Name.Length + 3;
            else
                return this.Name.Length + 1;
        } 

        ///  
        int IBuiltInEvidence.InitFromBuffer( char[] buffer, int position) 
        {
            int length = BuiltInEvidenceHelper.GetIntFromCharArray(buffer, position); 
            position += 2;

            m_name = new SiteString( new String(buffer, position, length ));
 
            return position + length;
        } 
 
        public override String ToString()
        { 
            return ToXml().ToString();
        }

        // INormalizeForIsolatedStorage is not implemented for startup perf 
        // equivalent to INormalizeForIsolatedStorage.Normalize()
        internal Object Normalize() 
        { 
            return m_name.ToString().ToUpper(CultureInfo.InvariantCulture);
        } 
    }
}

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