CatalogUtil.cs source code in C# .NET

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Code:

/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / ComIntegration / CatalogUtil.cs / 1 / CatalogUtil.cs

                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.ComIntegration
{ 
    using System;
    using System.Collections.Generic; 
    using System.Runtime.InteropServices; 

    class ComCatalogObject 
    {
        ICatalogObject catalogObject;
        ICatalogCollection catalogCollection;
 
        public ComCatalogObject(ICatalogObject catalogObject,
                                ICatalogCollection catalogCollection) 
        { 
            this.catalogObject = catalogObject;
            this.catalogCollection = catalogCollection; 
        }

        public object GetValue(string key)
        { 
            return this.catalogObject.GetValue(key);
        } 
 
        public string Name
        { 
            get
            {
                return (string)(this.catalogObject.Name());
            } 
        }
 
        public ComCatalogCollection GetCollection(string collectionName) 
        {
            ICatalogCollection collection; 
            collection = (ICatalogCollection)this.catalogCollection.GetCollection(
                collectionName,
                this.catalogObject.Key());
            collection.Populate(); 

            return new ComCatalogCollection(collection); 
        } 
    }
 
    class ComCatalogCollection
    {
        ICatalogCollection catalogCollection;
 
        public ComCatalogCollection(ICatalogCollection catalogCollection)
        { 
            this.catalogCollection = catalogCollection; 
        }
 
        public int Count
        {
            get
            { 
                return this.catalogCollection.Count();
            } 
        } 

        // (Not a property because I make a new object every time.) 
        public ComCatalogObject Item(int index)
        {
            ICatalogObject catalogObject;
            catalogObject = (ICatalogObject)this.catalogCollection.Item(index); 

            return new ComCatalogObject(catalogObject, this.catalogCollection); 
        } 

        public Enumerator GetEnumerator() 
        {
            return new Enumerator(this);
        }
 
        // This is kind of a half-baked IEnumerator implementation. It
        // lets you use foreach(), but don't expect fancy things like 
        // InvalidOperationExceptions and such. 
        //
        public struct Enumerator 
        {
            ComCatalogCollection collection;
            ComCatalogObject current;
            int count; 

            public Enumerator(ComCatalogCollection collection) 
            { 
                this.collection = collection;
                this.current = null; 
                this.count = -1;
            }

            public ComCatalogObject Current 
            {
                get { return this.current; } 
            } 

            public bool MoveNext() 
            {
                this.count++;
                if (this.count >= collection.Count)
                    return false; 

                this.current = this.collection.Item(this.count); 
                return true; 
            }
 
            public void Reset()
            {
                this.count = -1;
            } 
        }
    } 
 
    internal static class CatalogUtil
    { 
        internal static string[] GetRoleMembers(
            ComCatalogObject application,
            ComCatalogCollection rolesCollection)
        { 
            ComCatalogCollection applicationRoles;
            applicationRoles = application.GetCollection("Roles"); 
 
            // This is inefficient. If it turns into a
            // performance problem, then we'll need to put a cache in 
            // somewhere.
            //
            List roleMembers = new List();
            foreach(ComCatalogObject role in rolesCollection) 
            {
                string roleName = (string)role.GetValue("Name"); 
 
                // Find the role in the app roles list.
                // 
                foreach(ComCatalogObject appRole in applicationRoles)
                {
                    string appRoleName = (string)appRole.GetValue("Name");
                    if (roleName == appRoleName) 
                    {
                        // Found it, put all of the user names into 
                        // the role members list. 
                        //
                        ComCatalogCollection users; 
                        users = appRole.GetCollection("UsersInRole");
                        foreach(ComCatalogObject userObject in users)
                        {
                            string user = (string)userObject.GetValue("User"); 
                            roleMembers.Add(user);
                        } 
 
                        break;
                    } 
                }
            }

            return roleMembers.ToArray(); 
        }
 
        internal static ComCatalogObject FindApplication(Guid applicationId) 
        {
            ICatalog2 catalog = (ICatalog2)(new xCatalog()); 

            ICatalogObject appObject = null;
            ICatalogCollection partitionCollection = null;
 
            try
            { 
                partitionCollection = (ICatalogCollection)catalog.GetCollection( 
                    "Partitions");
                partitionCollection.Populate(); 
            }
            catch(COMException comException )
            {
                if (comException.ErrorCode != HR.COMADMIN_E_PARTITIONS_DISABLED) 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(comException);
            } 
 
            if (partitionCollection != null)
            { 
                for (int i = 0; i < partitionCollection.Count(); i++)
                {
                    ICatalogObject partition;
                    partition = (ICatalogObject)partitionCollection.Item(i); 

                    ICatalogCollection appCollection; 
                    appCollection = (ICatalogCollection)partitionCollection.GetCollection( 
                        "Applications",
                        partition.Key()); 
                    appCollection.Populate();

                    appObject = FindApplication(appCollection, applicationId);
                    if (appObject != null) 
                        return new ComCatalogObject(appObject, appCollection);
                } 
            } 
            else
            { 
                ICatalogCollection appCollection;
                appCollection = (ICatalogCollection)catalog.GetCollection(
                    "Applications");
                appCollection.Populate(); 

                appObject = FindApplication(appCollection, applicationId); 
                if (appObject != null) 
                    return new ComCatalogObject(appObject, appCollection);
            } 

            return null;
        }
 
        static ICatalogObject FindApplication(ICatalogCollection appCollection,
                                              Guid applicationId) 
        { 
            ICatalogObject appObject = null;
 
            for (int i = 0; i < appCollection.Count(); i++)
            {
                appObject = (ICatalogObject)appCollection.Item(i);
                Guid id = new Guid((string)appObject.GetValue("ID")); 

                if (id == applicationId) 
                    return appObject; 
            }
 
            return null;
        }
    }
} 

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

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