78 lines
3.4 KiB
C#
78 lines
3.4 KiB
C#
using System;
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using System.Xml;
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using System.Xml.Serialization;
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using Umbraco.Core.Models.PublishedContent;
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using Umbraco.Core.PropertyEditors;
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using Umbraco.Core.Xml;
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namespace Umbraco.Web.PublishedCache.XmlPublishedCache
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{
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/// <summary>
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/// Represents an IDocumentProperty which is created based on an Xml structure.
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/// </summary>
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[Serializable]
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[XmlType(Namespace = "http://umbraco.org/webservices/")]
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internal class XmlPublishedProperty : PublishedPropertyBase
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{
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private readonly string _sourceValue; // the raw, xml node value
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// Xml cache not using XPath value... and as for the rest...
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// we're single threaded here, keep it simple
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private object _objectValue;
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private bool _objectValueComputed;
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private readonly bool _isPreviewing;
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private readonly IPublishedContent _content;
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/// <summary>
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/// Gets the raw value of the property.
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/// </summary>
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public override object GetSourceValue(string culture = null, string segment = null) => _sourceValue;
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// in the Xml cache, everything is a string, and to have a value
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// you want to have a non-null, non-empty string.
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public override bool HasValue(string culture = null, string segment = null) => _sourceValue.Trim().Length > 0;
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public override object GetValue(string culture = null, string segment = null)
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{
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// NOT caching the source (intermediate) value since we'll never need it
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// everything in Xml cache is per-request anyways
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// also, properties should not be shared between requests and therefore
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// are single threaded, so the following code should be safe & fast
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if (_objectValueComputed) return _objectValue;
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var inter = PropertyType.ConvertSourceToInter(_content, _sourceValue, _isPreviewing);
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// initial reference cache level always is .Content
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_objectValue = PropertyType.ConvertInterToObject(_content, PropertyCacheLevel.Element, inter, _isPreviewing);
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_objectValueComputed = true;
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return _objectValue;
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}
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public override object GetXPathValue(string culture = null, string segment = null) { throw new NotImplementedException(); }
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public XmlPublishedProperty(PublishedPropertyType propertyType, IPublishedContent content, bool isPreviewing, XmlNode propertyXmlData)
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: this(propertyType, content, isPreviewing)
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{
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if (propertyXmlData == null)
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throw new ArgumentNullException(nameof(propertyXmlData), "Property xml source is null");
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_sourceValue = XmlHelper.GetNodeValue(propertyXmlData);
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}
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public XmlPublishedProperty(PublishedPropertyType propertyType, IPublishedContent content, bool isPreviewing, string propertyData)
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: this(propertyType, content, isPreviewing)
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{
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if (propertyData == null)
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throw new ArgumentNullException(nameof(propertyData));
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_sourceValue = propertyData;
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}
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public XmlPublishedProperty(PublishedPropertyType propertyType, IPublishedContent content, bool isPreviewing)
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: base(propertyType, PropertyCacheLevel.Unknown) // cache level is ignored
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{
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_sourceValue = string.Empty;
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_content = content;
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_isPreviewing = isPreviewing;
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}
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}
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}
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