NGCPageContentCollectionSerializerAsync.cs source code in C# .NET

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Code:

/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Print / Reach / Serialization / manager / NGCPageContentCollectionSerializerAsync.cs / 1 / NGCPageContentCollectionSerializerAsync.cs

                            /*++ 

    Copyright (C) 2004- 2005 Microsoft Corporation
    All rights reserved.
 
    Module Name:
        NGCPageContentCollectionSerializerAsync.cs 
 
    Abstract:
        This file contains the definition of a class that defines 
        the common functionality required to serialize a
        PageContentCollection

    Author: 
        [....] ([....]) 1-June-2005
 
    Revision History: 
--*/
 
using System;
using System.Collections;
using System.Collections.Specialized;
using System.ComponentModel; 
using System.Diagnostics;
using System.Reflection; 
using System.Xml; 
using System.IO;
using System.Security; 
using System.Security.Permissions;
using System.ComponentModel.Design.Serialization;
using System.Windows.Xps.Packaging;
using System.Windows.Documents; 
using System.Windows.Media;
using System.Windows.Markup; 
 
namespace System.Windows.Xps.Serialization
{ 
    /// 
    /// Class defining common functionality required to
    /// serialize a PageContentCollectionSerializer.
    ///  
    internal class NgcPageContentCollectionSerializerAsync :
                   NGCSerializerAsync 
    { 
        #region Constructor
 
        /// 
        /// Constructor for class ReachPageContentCollectionSerializer
        /// 
        ///  
        /// The serialization manager, the services of which are
        /// used later in the serialization process of the type. 
        ///  
        public
        NgcPageContentCollectionSerializerAsync( 
            PackageSerializationManager manager
            ):
        base(manager)
        { 

        } 
 
        #endregion Constructor
 
        #region Public Mehods

        public
        override 
        void
        AsyncOperation( 
            NGCSerializerContext context 
            )
        { 
            if(context == null)
            {

            } 

            switch (context.Action) 
            { 
                case SerializerAction.endPersistObjectData:
                { 
                    EndPersistObjectData();
                    break;
                }
 
                case SerializerAction.serializeNextPageContent:
                { 
                    NgcPageContentCollectionSerializerContext thisContext = 
                    context as NgcPageContentCollectionSerializerContext;
 
                    if(thisContext != null)
                    {
                        SerializeNextPageContent(thisContext.Enumerator,
                                                 thisContext.ObjectContext); 
                    }
 
                    break; 
                }
 
                default:
                {
                    base.AsyncOperation(context);
                    break; 
                }
            } 
        } 

 
        #endregion

        #region Internal Methods
 
        /// 
        /// The method is called once the object data is discovered at that 
        /// point of the serialization process. 
        /// 
        ///  
        /// The context of the object to be serialized at this time.
        /// 
        internal
        override 
        void
        PersistObjectData( 
            SerializableObjectContext   serializableObjectContext 
            )
        { 
            if (serializableObjectContext == null)
            {
                throw new ArgumentNullException("serializableObjectContext");
            } 

            IEnumerable enumerableObject = serializableObjectContext.TargetObject as IEnumerable; 
 
            if (enumerableObject == null)
            { 
                throw new XpsSerializationException(ReachSR.Get(ReachSRID.MustBeOfType, "serializableObjectContext.TargetObject", typeof(IEnumerable)));
            }

            // 
            // Serialize the PageContent Items contained within the collection
            // 
            SerializePageContents(serializableObjectContext); 
        }
 
        internal
        override
        void
        EndPersistObjectData( 
            )
        { 
            // 
            // do nothing in this stage
            // 
        }

        #endregion Internal Methods
 
        #region Private Methods
 
        ///  
        /// This is being called to serialize the Page Content items
        /// contained within the collection 
        /// 
        /// 
        /// The context of the object to be serialized at this time.
        ///  
        private
        void 
        SerializePageContents( 
            SerializableObjectContext   serializableObjectContext
            ) 
        {
            //
            // Serialize each PageContent in PageContentColleciton
            // 
            IEnumerator enumerator = ((IEnumerable)serializableObjectContext.TargetObject).GetEnumerator();
            enumerator.Reset(); 
 
            NgcPageContentCollectionSerializerContext
            context = new NgcPageContentCollectionSerializerContext(this, 
                                                                    serializableObjectContext,
                                                                    enumerator,
                                                                    SerializerAction.serializeNextPageContent);
 
            ((NgcSerializationManagerAsync)SerializationManager).OperationStack.Push(context);
        } 
 
       private
       void 
       SerializeNextPageContent(
           IEnumerator                 enumerator,
           SerializableObjectContext   serializableObjectContext
           ) 
       {
           if(enumerator.MoveNext()) 
           { 

               NgcPageContentCollectionSerializerContext 
               context = new NgcPageContentCollectionSerializerContext(this,
                                                                       serializableObjectContext,
                                                                       enumerator,
                                                                       SerializerAction.serializeNextPageContent); 

 
               ((NgcSerializationManagerAsync)SerializationManager).OperationStack.Push(context); 

               object pageContent = enumerator.Current; 

               SerializePageContent(pageContent);
           }
       } 

        ///  
        /// Called to serialize a single PageContent 
        /// 
        ///  
        /// The PageContent to be serialized.
        /// 
        private
        void 
        SerializePageContent(
            object pageContent 
            ) 
        {
            ReachSerializer serializer = SerializationManager.GetSerializer(pageContent); 

            if(serializer!=null)
            {
                serializer.SerializeObject(pageContent); 
            }
            else 
            { 
                throw new XpsSerializationException(ReachSR.Get(ReachSRID.ReachSerialization_NoSerializer));
            } 
        }

        #endregion Private Methods
    }; 

    internal class NgcPageContentCollectionSerializerContext : 
                   NGCSerializerContext 
    {
        public 
        NgcPageContentCollectionSerializerContext(
            NGCSerializerAsync          serializer,
            SerializableObjectContext   objectContext,
            IEnumerator                 enumerator, 
            SerializerAction            action
            ): 
            base(serializer,objectContext,action) 
        {
            this._enumerator = enumerator; 
        }


        public 
        IEnumerator
        Enumerator 
        { 
            get
            { 
                return _enumerator;
            }
        }
 
        private
        IEnumerator     _enumerator; 
    }; 
}

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

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