|
public Load ( |
||
| source | ||
| manager | ||
| return | bool | |
public static SDataPayload LoadPayload(string xml)
{
var payload = new SDataPayload();
using (var strReader = new StringReader(xml))
using (var xmlReader = XmlReader.Create(strReader))
{
var doc = new XPathDocument(xmlReader);
var source = doc.CreateNavigator();
var manager = new XmlNamespaceManager(source.NameTable);
source.MoveToFirstChild();
payload.Load(source, manager);
}
return payload;
}
private bool LoadItem(string name, IEnumerable<XPathNavigator> items, XmlNamespaceManager manager)
{
object value;
if (items.Count() > 1)
{
var collection = new SDataPayloadCollection();
if (!collection.Load(items, manager))
{
return false;
}
value = collection;
}
else
{
var item = items.First();
switch (InferItemType(item))
{
case ItemType.Property:
{
string nilValue;
if (item.TryGetAttribute("nil", Framework.Common.XSI.Namespace, out nilValue) && XmlConvert.ToBoolean(nilValue))
{
value = null;
}
else
{
value = item.Value;
}
break;
}
case ItemType.Object:
{
var obj = new SDataPayload();
if (!obj.Load(item, manager))
{
return false;
}
value = obj;
break;
}
case ItemType.PayloadCollection:
{
var collection = new SDataPayloadCollection();
if (!collection.Load(item, manager))
{
return false;
}
value = collection;
break;
}
case ItemType.SimpleCollection:
{
var collection = new SDataSimpleCollection();
if (!collection.Load(item))
return false;
value = collection;
break;
}
default:
return false;
}
}
Values.Add(name, value);
return true;
}
//============================================================
// PUBLIC METHODS
//============================================================
#region Load(XPathNavigator source, XmlNamespaceManager manager)
/// <summary>
/// Initializes the syndication extension context using the supplied <see cref="XPathNavigator"/>.
/// </summary>
/// <param name="source">The <b>XPathNavigator</b> used to load this <see cref="SDataExtensionContext"/>.</param>
/// <param name="manager">The <see cref="XmlNamespaceManager"/> object used to resolve prefixed syndication extension elements and attributes.</param>
/// <returns><b>true</b> if the <see cref="SDataExtensionContext"/> was able to be initialized using the supplied <paramref name="source"/>; otherwise <b>false</b>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="manager"/> is a null reference (Nothing in Visual Basic).</exception>
public bool Load(XPathNavigator source, XmlNamespaceManager manager)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
var wasLoaded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
//------------------------------------------------------------
// Attempt to extract syndication extension information
//------------------------------------------------------------
if (source.HasChildren)
{
var payloadNavigator = source.SelectSingleNode("sdata:payload/*", manager);
if (payloadNavigator != null)
{
var payload = new SDataPayload();
if (payload.Load(payloadNavigator, manager))
{
Payload = payload;
wasLoaded = true;
}
}
var diagnosesNavigator = source.Select("sdata:diagnoses/sdata:diagnosis", manager);
foreach (XPathNavigator item in diagnosesNavigator)
{
var diagnosis = new Diagnosis();
if (diagnosis.Load(item, manager))
{
Diagnoses.Add(diagnosis);
wasLoaded = true;
}
}
var diagnosisNavigator = source.Select("sdata:diagnosis", manager);
foreach (XPathNavigator item in diagnosisNavigator)
{
var diagnosis = new Diagnosis();
if (diagnosis.Load(item, manager))
{
Diagnoses.Add(diagnosis);
wasLoaded = true;
}
}
var schemaNavigator = source.SelectSingleNode("sdata:schema", manager);
if (schemaNavigator != null && !string.IsNullOrEmpty(schemaNavigator.InnerXml))
{
schemaNavigator.MoveToFirstChild();
using (var reader = schemaNavigator.ReadSubtree())
{
reader.Read();
Schema = SDataSchema.Read(reader);
}
wasLoaded = true;
}
}
return(wasLoaded);
}
private bool LoadItem(string name, IEnumerable <XPathNavigator> items, XmlNamespaceManager manager)
{
object value;
if (items.Count() > 1)
{
var collection = new SDataPayloadCollection();
if (!collection.Load(items, manager))
{
return(false);
}
value = collection;
}
else
{
var item = items.First();
switch (InferItemType(item))
{
case ItemType.Property:
{
string nilValue;
if (item.TryGetAttribute("nil", Framework.Common.XSI.Namespace, out nilValue) && XmlConvert.ToBoolean(nilValue))
{
value = null;
}
else
{
value = item.Value;
}
break;
}
case ItemType.Object:
{
var obj = new SDataPayload();
if (!obj.Load(item, manager))
{
return(false);
}
value = obj;
break;
}
case ItemType.PayloadCollection:
{
var collection = new SDataPayloadCollection();
if (!collection.Load(item, manager))
{
return(false);
}
value = collection;
break;
}
case ItemType.SimpleCollection:
{
var collection = new SDataSimpleCollection();
if (!collection.Load(item))
{
return(false);
}
value = collection;
break;
}
default:
return(false);
}
}
Values.Add(name, value);
return(true);
}
/// <summary>
/// Initializes the syndication extension context using the supplied <see cref="XPathNavigator"/>.
/// </summary>
/// <param name="source">The <b>XPathNavigator</b> used to load this <see cref="SDataExtensionContext"/>.</param>
/// <param name="manager">The <see cref="XmlNamespaceManager"/> object used to resolve prefixed syndication extension elements and attributes.</param>
/// <returns><b>true</b> if the <see cref="SDataExtensionContext"/> was able to be initialized using the supplied <paramref name="source"/>; otherwise <b>false</b>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="manager"/> is a null reference (Nothing in Visual Basic).</exception>
public bool Load(XPathNavigator source, XmlNamespaceManager manager)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
var wasLoaded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
//------------------------------------------------------------
// Attempt to extract syndication extension information
//------------------------------------------------------------
if (source.HasChildren)
{
var payloadNavigator = source.SelectSingleNode("sdata:payload/*", manager);
if (payloadNavigator != null)
{
var payload = new SDataPayload();
if (payload.Load(payloadNavigator, manager))
{
Payload = payload;
wasLoaded = true;
}
}
var diagnosesNavigator = source.Select("sdata:diagnoses", manager);
foreach (XPathNavigator item in diagnosesNavigator)
{
var diagnosis = new Diagnosis();
if (diagnosis.Load(item, manager))
{
Diagnoses.Add(diagnosis);
wasLoaded = true;
}
}
var schemaNavigator = source.SelectSingleNode("sdata:schema", manager);
if (schemaNavigator != null && !string.IsNullOrEmpty(schemaNavigator.Value))
{
Schema = schemaNavigator.Value;
wasLoaded = true;
}
}
return wasLoaded;
}