File: Serialization\Manager\ReachDocumentReferenceCollectionSerializer.cs
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Project: src\src\Microsoft.DotNet.Wpf\src\ReachFramework\ReachFramework.csproj (ReachFramework)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
 
using System.Windows.Documents;
 
namespace System.Windows.Xps.Serialization
{
    /// <summary>
    /// 
    /// </summary>
    internal class ReachDocumentReferenceCollectionSerializer :
                   ReachSerializer
    {
        /// <summary>
        /// Creates new serializer for a DocumentReferenceCollection
        /// </summary>
        /// <param name="manager">serialization manager for this seriaizer</param>
        public
        ReachDocumentReferenceCollectionSerializer(
            PackageSerializationManager manager
            ):
        base(manager)
        {
 
        }
 
        /// <summary>
        /// 
        /// </summary>
        internal
        override
        void
        PersistObjectData(
            SerializableObjectContext   serializableObjectContext
            )
        {
            ArgumentNullException.ThrowIfNull(serializableObjectContext);
 
            // get DocumentReferenceCollection
            System.Collections.Generic.IEnumerable<DocumentReference> enumerableObject = serializableObjectContext.TargetObject as System.Collections.Generic.IEnumerable<DocumentReference>;
 
            if (enumerableObject == null)
            {
                throw new XpsSerializationException(SR.Format(SR.MustBeOfType, "serializableObjectContext.TargetObject", typeof(System.Collections.Generic.IEnumerable<DocumentReference>)));
            }
 
            SerializeDocumentReferences(serializableObjectContext);
        }
 
        /// <summary>
        /// This is being called to serialize the DocumentReference items
        /// contained within the colleciton
        /// </summary>
        private
        void
        SerializeDocumentReferences(
            SerializableObjectContext   serializableObjectContext
            )
        {
            //
            // Serialize each DocumentReference in DocumentReferenceColleciton
            //
            foreach (object documentReference in (System.Collections.Generic.IEnumerable<DocumentReference>)serializableObjectContext.TargetObject)
            {
                if (documentReference != null)
                {
                    // Serialize the current item
                    SerializeDocumentReference(documentReference);
                }
            }
        }
 
 
        /// <summary>
        ///     Called to serialize a single DocumentReference
        /// </summary>
        private 
        void
        SerializeDocumentReference(
            object documentReference
            )
        {
            ReachSerializer serializer = SerializationManager.GetSerializer(documentReference);
 
            if(serializer!=null)
            {
                serializer.SerializeObject(documentReference);
            }
            else
            {
                // should we throw if this is not a DocumentReference or just not do anything?
                throw new XpsSerializationException(SR.ReachSerialization_NoSerializer);
            }
        }
    };
}