120 lines
4.7 KiB
C#
120 lines
4.7 KiB
C#
//Copyright 2010 Microsoft Corporation
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//
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//Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
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//You may obtain a copy of the License at
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//
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//http://www.apache.org/licenses/LICENSE-2.0
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//
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//Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
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//"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//See the License for the specific language governing permissions and limitations under the License.
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namespace System.Data.Services.Common
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{
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Data.Services.Client;
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using System.Xml;
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internal sealed class EpmCustomContentSerializer : EpmContentSerializerBase, IDisposable
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{
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private bool disposed;
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private Dictionary<EpmTargetPathSegment, EpmCustomContentWriterNodeData> visitorContent;
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internal EpmCustomContentSerializer(EpmTargetTree targetTree, object element, XmlWriter target)
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: base(targetTree, false, element, target)
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{
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this.InitializeVisitorContent();
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}
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public void Dispose()
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{
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if (!this.disposed)
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{
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foreach (EpmTargetPathSegment subSegmentOfRoot in this.Root.SubSegments)
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{
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EpmCustomContentWriterNodeData c = this.visitorContent[subSegmentOfRoot];
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Debug.Assert(c != null, "Must have custom data for all the children of root");
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if (this.Success)
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{
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c.AddContentToTarget(this.Target);
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}
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c.Dispose();
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}
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this.disposed = true;
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}
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}
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protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind)
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{
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if (targetSegment.IsAttribute)
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{
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this.WriteAttribute(targetSegment);
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}
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else
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{
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this.WriteElement(targetSegment);
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}
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}
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private void WriteAttribute(EpmTargetPathSegment targetSegment)
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{
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Debug.Assert(targetSegment.HasContent, "Must have content for attributes");
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EpmCustomContentWriterNodeData currentContent = this.visitorContent[targetSegment];
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currentContent.XmlContentWriter.WriteAttributeString(
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targetSegment.SegmentNamespacePrefix,
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targetSegment.SegmentName.Substring(1),
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targetSegment.SegmentNamespaceUri,
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currentContent.Data);
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}
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private void WriteElement(EpmTargetPathSegment targetSegment)
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{
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EpmCustomContentWriterNodeData currentContent = this.visitorContent[targetSegment];
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currentContent.XmlContentWriter.WriteStartElement(
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targetSegment.SegmentNamespacePrefix,
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targetSegment.SegmentName,
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targetSegment.SegmentNamespaceUri);
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base.Serialize(targetSegment, EpmSerializationKind.Attributes);
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if (targetSegment.HasContent)
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{
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Debug.Assert(currentContent.Data != null, "Must always have non-null data content value");
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currentContent.XmlContentWriter.WriteString(currentContent.Data);
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}
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base.Serialize(targetSegment, EpmSerializationKind.Elements);
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currentContent.XmlContentWriter.WriteEndElement();
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}
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private void InitializeVisitorContent()
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{
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this.visitorContent = new Dictionary<EpmTargetPathSegment, EpmCustomContentWriterNodeData>(ReferenceEqualityComparer<EpmTargetPathSegment>.Instance);
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foreach (EpmTargetPathSegment subSegmentOfRoot in this.Root.SubSegments)
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{
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this.visitorContent.Add(subSegmentOfRoot, new EpmCustomContentWriterNodeData(subSegmentOfRoot, this.Element));
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this.InitializeSubSegmentVisitorContent(subSegmentOfRoot);
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}
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}
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private void InitializeSubSegmentVisitorContent(EpmTargetPathSegment subSegment)
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{
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foreach (EpmTargetPathSegment segment in subSegment.SubSegments)
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{
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this.visitorContent.Add(segment, new EpmCustomContentWriterNodeData(this.visitorContent[subSegment], segment, this.Element));
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this.InitializeSubSegmentVisitorContent(segment);
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}
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}
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}
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} |