NamedPermissionSet.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Security / NamedPermissionSet.cs / 1 / NamedPermissionSet.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
//  NamedPermissionSet.cs
// 
//  Extends PermissionSet to allow an associated name and description 
//
 
namespace System.Security {

 	using System;
	using System.Security.Util; 
	using PermissionState = System.Security.Permissions.PermissionState;
	using System.Runtime.Serialization; 
    [Serializable] 
[System.Runtime.InteropServices.ComVisible(true)]
    public sealed class NamedPermissionSet : PermissionSet 
    {
        // The name of this PermissionSet
        private String m_name;
 
        // The description of this PermissionSet
        private String m_description; 
        [OptionalField(VersionAdded = 2)] 
        internal String m_descrResource;
 
        internal NamedPermissionSet()
            : base()
        {
        } 

        public NamedPermissionSet( String name ) 
            : base() 
        {
            CheckName( name ); 
            m_name = name;
        }

        public NamedPermissionSet( String name, PermissionState state) 
            : base( state )
        { 
            CheckName( name ); 
            m_name = name;
        } 


        public NamedPermissionSet( String name, PermissionSet permSet )
            : base( permSet ) 
        {
            CheckName( name ); 
            m_name = name; 
        }
 
        public NamedPermissionSet( NamedPermissionSet permSet )
            : base( permSet )
        {
            m_name = permSet.m_name; 
            m_description = permSet.Description;
        } 
 
        public String Name {
            get { return m_name; } 
            set { CheckName( value ); m_name = value; }
        }

        private static void CheckName( String name ) 
        {
            if (name == null || name.Equals( "" )) 
                throw new ArgumentException( Environment.GetResourceString( "Argument_NPMSInvalidName" )); 
        }
 
        public String Description {
            get
            {
                if(m_descrResource != null) 
                {
                    m_description = Environment.GetResourceString(m_descrResource); 
                    m_descrResource = null; 
                }
                return m_description; 
            }

            set
            { 
                m_description = value;
                m_descrResource = null; 
            } 
        }
 
        public override PermissionSet Copy()
        {
            return new NamedPermissionSet( this );
        } 

        public NamedPermissionSet Copy( String name ) 
        { 
            NamedPermissionSet set = new NamedPermissionSet( this );
            set.Name = name; 
            return set;
        }

        public override SecurityElement ToXml() 
        {
            SecurityElement elem = base.ToXml("System.Security.NamedPermissionSet"); 
            // 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.NamedPermissionSet" ), "Class name changed!" ); 

            if (m_name != null && !m_name.Equals( "" ))
            {
                elem.AddAttribute( "Name", SecurityElement.Escape( m_name ) ); 
            }
 
            if (Description != null && !Description.Equals( "" )) 
            {
                elem.AddAttribute( "Description", SecurityElement.Escape( Description ) ); 
            }

            return elem;
        } 

        public override void FromXml( SecurityElement et ) 
        { 
            FromXml( et, false, false );
        } 

        internal override void FromXml( SecurityElement et, bool allowInternalOnly, bool ignoreTypeLoadFailures )
        {
            if (et == null) 
                throw new ArgumentNullException( "et" );
 
            String elem; 

            elem = et.Attribute( "Name" ); 
            m_name = elem == null ? null : elem;

            elem = et.Attribute( "Description" );
            m_description = (elem == null ? "" : elem); 
            m_descrResource = null;
 
            base.FromXml( et, allowInternalOnly, ignoreTypeLoadFailures ); 
        }
 
        internal void FromXmlNameOnly( SecurityElement et )
        {
            // This function gets only the name for the permission set, ignoring all other info.
 
            String elem;
 
            elem = et.Attribute( "Name" ); 
            m_name = (elem == null ? null : elem);
        } 

        // NamedPermissionSet Equals should have the exact semantic as PermissionSet.
        // We explicitly override them here to make sure that no one accidently
        // changes this. 

        [System.Runtime.InteropServices.ComVisible(false)] 
        public override bool Equals( Object obj ) 
        {
            return base.Equals( obj ); 
        }

        [System.Runtime.InteropServices.ComVisible(false)]
        public override int GetHashCode() 
        {
            return base.GetHashCode(); 
        } 
    }
 

}

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