DirectoryRootQuery.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Activities / Role / DirectoryRootQuery.cs / 1305376 / DirectoryRootQuery.cs
                        

                        
                            #region Using directives 

using System;
using System.Collections.Generic;
using System.Text; 
using System.DirectoryServices;
 
#endregion 

namespace System.Workflow.Activities 
{
    [Serializable]
    sealed internal class DirectoryRootQuery : IDirectoryOperation
    { 
        private String m_name;
        private String m_value; 
        private DirectoryQueryOperation m_operation; 

        public DirectoryRootQuery(String name, String value, DirectoryQueryOperation operation) 
        {
            if (name == null)
                throw new ArgumentNullException("name");
            if (value == null) 
                throw new ArgumentNullException("value");
 
            this.m_name = name; 
            this.m_value = value;
            this.m_operation = operation; 
        }

        public void GetResult(DirectoryEntry rootEntry, DirectoryEntry currentEntry, List response)
        { 
            if (rootEntry == null)
                throw new ArgumentNullException("rootEntry"); 
            if (currentEntry == null) 
                throw new ArgumentNullException("currentEntry");
            if (response == null) 
                throw new ArgumentNullException("response");

            using (DirectorySearcher searcher = new DirectorySearcher(rootEntry))
            { 
                String strStart = "(";
                String strOperation = ""; 
                String strEnd = ")"; 

                switch (this.m_operation) 
                {
                    case DirectoryQueryOperation.Equal:
                        strOperation = "=";
                        break; 

                    case DirectoryQueryOperation.NotEqual: 
                        strStart = "(!("; 
                        strOperation = "=";
                        strEnd = "))"; 
                        break;

                    default:
                        System.Diagnostics.Debug.Assert(false); 
                        break;
                } 
 
                searcher.Filter = strStart + this.m_name + strOperation + this.m_value + strEnd;
 
                foreach (SearchResult result in searcher.FindAll())
                {
                    response.Add(result.GetDirectoryEntry());
                } 
            }
        } 
    } 

} 

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

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