SiteMembershipCondition.cs source code in C# .NET

                        
Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Security / Policy / SiteMembershipCondition.cs / 1305376 / SiteMembershipCondition.cs
                        

                        
                            using System.Diagnostics.Contracts; 
// ==++==
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// ==--==
//  SiteMembershipCondition.cs 
// 
// [....]
// 
//  Implementation of membership condition for zones
//

namespace System.Security.Policy { 

    using System; 
    using SecurityManager = System.Security.SecurityManager; 
    using SiteString = System.Security.Util.SiteString;
    using PermissionSet = System.Security.PermissionSet; 
    using SecurityElement = System.Security.SecurityElement;
    using System.Collections;
    using System.Globalization;
 
    [Serializable]
[System.Runtime.InteropServices.ComVisible(true)] 
    sealed public class SiteMembershipCondition : IMembershipCondition, IConstantMembershipCondition, IReportMatchMembershipCondition 
    {
 
        //------------------------------------------------------
        //
        // PRIVATE STATE DATA
        // 
        //-----------------------------------------------------
 
        private SiteString m_site; 
        private SecurityElement m_element;
 
        //-----------------------------------------------------
        //
        // PUBLIC CONSTRUCTORS
        // 
        //-----------------------------------------------------
 
        internal SiteMembershipCondition() 
        {
            m_site = null; 
        }

        public SiteMembershipCondition( String site )
        { 
            if (site == null)
                throw new ArgumentNullException( "site" ); 
            Contract.EndContractBlock(); 

            m_site = new SiteString( site ); 
        }

        //------------------------------------------------------
        // 
        // PUBLIC ACCESSOR METHODS
        // 
        //----------------------------------------------------- 

 
        public String Site
        {
            set
            { 
                if (value == null)
                    throw new ArgumentNullException( "value" ); 
                Contract.EndContractBlock(); 

                m_site = new SiteString( value ); 
            }

            get
            { 
                if (m_site == null && m_element != null)
                    ParseSite(); 
 
                if (m_site != null)
                    return m_site.ToString(); 
                else
                    return "";
            }
        } 

        //------------------------------------------------------ 
        // 
        // IMEMBERSHIPCONDITION IMPLEMENTATION
        // 
        //------------------------------------------------------

        public bool Check( Evidence evidence )
        { 
            object usedEvidence = null;
            return (this as IReportMatchMembershipCondition).Check(evidence, out usedEvidence); 
        } 

        bool IReportMatchMembershipCondition.Check(Evidence evidence, out object usedEvidence) 
        {
            usedEvidence = null;

            if (evidence == null) 
                return false;
 
            Site site = evidence.GetHostEvidence(); 
            if (site != null)
            { 
                if (m_site == null && m_element != null)
                {
                    ParseSite();
                } 

                if (site.GetSiteString().IsSubsetOf(this.m_site)) 
                { 
                    usedEvidence = site;
                    return true; 
                }
            }
            return false;
        } 

        public IMembershipCondition Copy() 
        { 
            if (m_site == null && m_element != null)
                ParseSite(); 

            return new SiteMembershipCondition( m_site.ToString() );
        }
 

        public SecurityElement ToXml() 
        { 
            return ToXml( null );
        } 

        public void FromXml( SecurityElement e )
        {
            FromXml( e, null ); 
        }
 
        public SecurityElement ToXml( PolicyLevel level ) 
        {
            if (m_site == null && m_element != null) 
                ParseSite();

            SecurityElement root = new SecurityElement( "IMembershipCondition" );
            System.Security.Util.XMLUtil.AddClassAttribute( root, this.GetType(), "System.Security.Policy.SiteMembershipCondition" ); 
            // 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. 
            Contract.Assert( this.GetType().FullName.Equals( "System.Security.Policy.SiteMembershipCondition" ), "Class name changed!" ); 

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

            if (m_site != null)
                root.AddAttribute( "Site", m_site.ToString() );
 
            return root;
        } 
 
        public void FromXml( SecurityElement e, PolicyLevel level  )
        { 
            if (e == null)
                throw new ArgumentNullException("e");

            if (!e.Tag.Equals( "IMembershipCondition" )) 
            {
                throw new ArgumentException( Environment.GetResourceString( "Argument_MembershipConditionElement" ) ); 
            } 
            Contract.EndContractBlock();
 
            lock (this)
            {
                m_site = null;
                m_element = e; 
            }
        } 
 
        private void ParseSite()
        { 
            lock (this)
            {
                if (m_element == null)
                    return; 

                String elSite = m_element.Attribute( "Site" ); 
                if (elSite == null) 
                    throw new ArgumentException( Environment.GetResourceString( "Argument_SiteCannotBeNull" ) );
                else 
                    m_site = new SiteString( elSite );
                m_element = null;
            }
        } 

        public override bool Equals( Object o ) 
        { 
            SiteMembershipCondition that = (o as SiteMembershipCondition);
 
            if (that != null)
            {
                if (this.m_site == null && this.m_element != null)
                    this.ParseSite(); 
                if (that.m_site == null && that.m_element != null)
                    that.ParseSite(); 
 
                if( Equals (this.m_site, that.m_site ))
                { 
                    return true;
                }
            }
            return false; 
        }
 
        public override int GetHashCode() 
        {
            if (m_site == null && m_element != null) 
                ParseSite();

            if (m_site != null)
            { 
                return m_site.GetHashCode();
            } 
            else 
            {
                return typeof( SiteMembershipCondition ).GetHashCode(); 
            }
        }

        public override String ToString() 
        {
            if (m_site == null && m_element != null) 
                ParseSite(); 

            if (m_site != null) 
                return String.Format( CultureInfo.CurrentCulture, Environment.GetResourceString( "Site_ToStringArg" ), m_site );
            else
                return Environment.GetResourceString( "Site_ToString" );
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
using System.Diagnostics.Contracts; 
// ==++==
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// ==--==
//  SiteMembershipCondition.cs 
// 
// [....]
// 
//  Implementation of membership condition for zones
//

namespace System.Security.Policy { 

    using System; 
    using SecurityManager = System.Security.SecurityManager; 
    using SiteString = System.Security.Util.SiteString;
    using PermissionSet = System.Security.PermissionSet; 
    using SecurityElement = System.Security.SecurityElement;
    using System.Collections;
    using System.Globalization;
 
    [Serializable]
[System.Runtime.InteropServices.ComVisible(true)] 
    sealed public class SiteMembershipCondition : IMembershipCondition, IConstantMembershipCondition, IReportMatchMembershipCondition 
    {
 
        //------------------------------------------------------
        //
        // PRIVATE STATE DATA
        // 
        //-----------------------------------------------------
 
        private SiteString m_site; 
        private SecurityElement m_element;
 
        //-----------------------------------------------------
        //
        // PUBLIC CONSTRUCTORS
        // 
        //-----------------------------------------------------
 
        internal SiteMembershipCondition() 
        {
            m_site = null; 
        }

        public SiteMembershipCondition( String site )
        { 
            if (site == null)
                throw new ArgumentNullException( "site" ); 
            Contract.EndContractBlock(); 

            m_site = new SiteString( site ); 
        }

        //------------------------------------------------------
        // 
        // PUBLIC ACCESSOR METHODS
        // 
        //----------------------------------------------------- 

 
        public String Site
        {
            set
            { 
                if (value == null)
                    throw new ArgumentNullException( "value" ); 
                Contract.EndContractBlock(); 

                m_site = new SiteString( value ); 
            }

            get
            { 
                if (m_site == null && m_element != null)
                    ParseSite(); 
 
                if (m_site != null)
                    return m_site.ToString(); 
                else
                    return "";
            }
        } 

        //------------------------------------------------------ 
        // 
        // IMEMBERSHIPCONDITION IMPLEMENTATION
        // 
        //------------------------------------------------------

        public bool Check( Evidence evidence )
        { 
            object usedEvidence = null;
            return (this as IReportMatchMembershipCondition).Check(evidence, out usedEvidence); 
        } 

        bool IReportMatchMembershipCondition.Check(Evidence evidence, out object usedEvidence) 
        {
            usedEvidence = null;

            if (evidence == null) 
                return false;
 
            Site site = evidence.GetHostEvidence(); 
            if (site != null)
            { 
                if (m_site == null && m_element != null)
                {
                    ParseSite();
                } 

                if (site.GetSiteString().IsSubsetOf(this.m_site)) 
                { 
                    usedEvidence = site;
                    return true; 
                }
            }
            return false;
        } 

        public IMembershipCondition Copy() 
        { 
            if (m_site == null && m_element != null)
                ParseSite(); 

            return new SiteMembershipCondition( m_site.ToString() );
        }
 

        public SecurityElement ToXml() 
        { 
            return ToXml( null );
        } 

        public void FromXml( SecurityElement e )
        {
            FromXml( e, null ); 
        }
 
        public SecurityElement ToXml( PolicyLevel level ) 
        {
            if (m_site == null && m_element != null) 
                ParseSite();

            SecurityElement root = new SecurityElement( "IMembershipCondition" );
            System.Security.Util.XMLUtil.AddClassAttribute( root, this.GetType(), "System.Security.Policy.SiteMembershipCondition" ); 
            // 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. 
            Contract.Assert( this.GetType().FullName.Equals( "System.Security.Policy.SiteMembershipCondition" ), "Class name changed!" ); 

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

            if (m_site != null)
                root.AddAttribute( "Site", m_site.ToString() );
 
            return root;
        } 
 
        public void FromXml( SecurityElement e, PolicyLevel level  )
        { 
            if (e == null)
                throw new ArgumentNullException("e");

            if (!e.Tag.Equals( "IMembershipCondition" )) 
            {
                throw new ArgumentException( Environment.GetResourceString( "Argument_MembershipConditionElement" ) ); 
            } 
            Contract.EndContractBlock();
 
            lock (this)
            {
                m_site = null;
                m_element = e; 
            }
        } 
 
        private void ParseSite()
        { 
            lock (this)
            {
                if (m_element == null)
                    return; 

                String elSite = m_element.Attribute( "Site" ); 
                if (elSite == null) 
                    throw new ArgumentException( Environment.GetResourceString( "Argument_SiteCannotBeNull" ) );
                else 
                    m_site = new SiteString( elSite );
                m_element = null;
            }
        } 

        public override bool Equals( Object o ) 
        { 
            SiteMembershipCondition that = (o as SiteMembershipCondition);
 
            if (that != null)
            {
                if (this.m_site == null && this.m_element != null)
                    this.ParseSite(); 
                if (that.m_site == null && that.m_element != null)
                    that.ParseSite(); 
 
                if( Equals (this.m_site, that.m_site ))
                { 
                    return true;
                }
            }
            return false; 
        }
 
        public override int GetHashCode() 
        {
            if (m_site == null && m_element != null) 
                ParseSite();

            if (m_site != null)
            { 
                return m_site.GetHashCode();
            } 
            else 
            {
                return typeof( SiteMembershipCondition ).GetHashCode(); 
            }
        }

        public override String ToString() 
        {
            if (m_site == null && m_element != null) 
                ParseSite(); 

            if (m_site != null) 
                return String.Format( CultureInfo.CurrentCulture, Environment.GetResourceString( "Site_ToStringArg" ), m_site );
            else
                return Environment.GetResourceString( "Site_ToString" );
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

                        

                        

                        
                        

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