private Feed(System.Xml.XmlDocument i_FeedSyncXmlDocument)
{
m_XmlDocument = i_FeedSyncXmlDocument;
m_XmlNamespaceManager = new System.Xml.XmlNamespaceManager(m_XmlDocument.NameTable);
if (m_XmlDocument.DocumentElement.LocalName == Microsoft.Samples.FeedSync.Constants.ATOM_FEED_ITEM_CONTAINER_ELEMENT_NAME)
m_FeedType = Microsoft.Samples.FeedSync.Feed.FeedTypes.Atom;
else
m_FeedType = Microsoft.Samples.FeedSync.Feed.FeedTypes.RSS;
this.InitializeXmlNamespaceManager(false);
if (m_FeedType == Microsoft.Samples.FeedSync.Feed.FeedTypes.Atom)
{
m_FeedItemXPathQuery = System.String.Format
(
"{0}:{1}",
m_AtomNamespacePrefix,
Microsoft.Samples.FeedSync.Constants.ATOM_FEED_ITEM_ELEMENT_NAME
);
if (m_XmlNamespaceManager.DefaultNamespace == Microsoft.Samples.FeedSync.Constants.ATOM_XML_NAMESPACE_URI)
m_FeedItemElementName = Microsoft.Samples.FeedSync.Constants.ATOM_FEED_ITEM_ELEMENT_NAME;
else
m_FeedItemElementName = m_FeedItemXPathQuery;
}
else
{
m_FeedItemXPathQuery = Microsoft.Samples.FeedSync.Constants.RSS_FEED_ITEM_ELEMENT_NAME;
m_FeedItemElementName = m_FeedItemXPathQuery;
}
// Get reference to 'sx:sharing' element
string XPathQuery = System.String.Format
(
"{0}:{1}",
m_FeedSyncNamespacePrefix,
Microsoft.Samples.FeedSync.Constants.SHARING_ELEMENT_NAME
);
System.Xml.XmlElement SharingXmlElement = (System.Xml.XmlElement)this.ItemContainerXmlElement.SelectSingleNode
(
XPathQuery,
m_XmlNamespaceManager
);
if (SharingXmlElement != null)
m_SharingNode = new Microsoft.Samples.FeedSync.SharingNode(this, SharingXmlElement);
// Iterate items
System.Xml.XmlNodeList FeedItemXmlNodeList = this.ItemContainerXmlElement.SelectNodes
(
m_FeedItemXPathQuery,
m_XmlNamespaceManager
);
foreach (System.Xml.XmlElement FeedItemXmlElement in FeedItemXmlNodeList)
{
Microsoft.Samples.FeedSync.FeedItemNode FeedItemNode = Microsoft.Samples.FeedSync.FeedItemNode.CreateFromXmlElement
(
this,
FeedItemXmlElement
);
m_FeedItemNodeSortedList[FeedItemNode.SyncNode.ID] = FeedItemNode;
}
this.Initialize();
}
private Feed(System.Xml.XmlDocument i_FeedXmlDocument, int? i_SequenceIDBase, string i_Since, string i_Until)
{
m_XmlDocument = i_FeedXmlDocument;
m_XmlNamespaceManager = new System.Xml.XmlNamespaceManager(m_XmlDocument.NameTable);
if (m_XmlDocument.DocumentElement.LocalName == Microsoft.Samples.FeedSync.Constants.ATOM_FEED_ITEM_CONTAINER_ELEMENT_NAME)
m_FeedType = Microsoft.Samples.FeedSync.Feed.FeedTypes.Atom;
else
m_FeedType = Microsoft.Samples.FeedSync.Feed.FeedTypes.RSS;
this.InitializeXmlNamespaceManager(true);
if (m_FeedType == Microsoft.Samples.FeedSync.Feed.FeedTypes.Atom)
{
m_FeedItemXPathQuery = System.String.Format
(
"{0}:{1}",
m_AtomNamespacePrefix,
Microsoft.Samples.FeedSync.Constants.ATOM_FEED_ITEM_ELEMENT_NAME
);
if (m_XmlNamespaceManager.DefaultNamespace == Microsoft.Samples.FeedSync.Constants.ATOM_XML_NAMESPACE_URI)
m_FeedItemElementName = Microsoft.Samples.FeedSync.Constants.ATOM_FEED_ITEM_ELEMENT_NAME;
else
m_FeedItemElementName = m_FeedItemXPathQuery;
}
else
{
m_FeedItemXPathQuery = Microsoft.Samples.FeedSync.Constants.RSS_FEED_ITEM_ELEMENT_NAME;
m_FeedItemElementName = m_FeedItemXPathQuery;
}
// Get reference to 'sx:sharing' element
string XPathQuery = System.String.Format
(
"{0}:{1}",
m_FeedSyncNamespacePrefix,
Microsoft.Samples.FeedSync.Constants.SHARING_ELEMENT_NAME
);
System.Xml.XmlElement SharingXmlElement = (System.Xml.XmlElement)this.ItemContainerXmlElement.SelectSingleNode
(
XPathQuery,
m_XmlNamespaceManager
);
XPathQuery = System.String.Format
(
"descendant::*[{0}:{1}]",
m_FeedSyncNamespacePrefix,
Microsoft.Samples.FeedSync.Constants.SYNC_ELEMENT_NAME
);
System.Xml.XmlNodeList SyncXmlNodeList = this.ItemContainerXmlElement.SelectNodes
(
XPathQuery,
m_XmlNamespaceManager
);
if ((SharingXmlElement != null) || (SyncXmlNodeList.Count > 0))
throw new System.Exception("Document is already a valid FeedSync document!");
System.Xml.XmlNodeList FeedItemXmlNodeList = this.ItemContainerXmlElement.SelectNodes
(
m_FeedItemXPathQuery,
m_XmlNamespaceManager
);
// BIG HONKING NOTE: Iterate nodes using index instead of enumerator
for (int Index = 0; Index < FeedItemXmlNodeList.Count; ++Index)
{
System.Xml.XmlElement FeedItemXmlElement = (System.Xml.XmlElement)FeedItemXmlNodeList[Index];
// Remove item from document
FeedItemXmlElement.ParentNode.RemoveChild(FeedItemXmlElement);
string SyncNodeID = null;
if (i_SequenceIDBase != null)
{
++i_SequenceIDBase;
SyncNodeID = i_SequenceIDBase.ToString();
}
// Create new FeedItemNode and add it to feed
Microsoft.Samples.FeedSync.FeedItemNode FeedItemNode = Microsoft.Samples.FeedSync.FeedItemNode.CreateNewFromXmlElement
(
this,
FeedItemXmlElement,
SyncNodeID
);
this.AddFeedItem(FeedItemNode);
}
this.Initialize();
}
private Feed(string i_Title, string i_Description, string i_Link, Microsoft.Samples.FeedSync.Feed.FeedTypes i_FeedType)
{
string XmlDocumentContents;
if (i_FeedType == Microsoft.Samples.FeedSync.Feed.FeedTypes.Atom)
{
XmlDocumentContents = System.String.Format
(
Microsoft.Samples.FeedSync.Constants.ATOM_FEED_TEMPLATE,
Microsoft.Samples.FeedSync.MiscHelpers.XMLEncode(i_Title),
Microsoft.Samples.FeedSync.MiscHelpers.XMLEncode(i_Description),
Microsoft.Samples.FeedSync.MiscHelpers.XMLEncode(i_Link),
System.DateTime.Now.ToUniversalTime().ToString(Microsoft.Samples.FeedSync.Constants.DATE_STRING_FORMAT),
System.Reflection.Assembly.GetExecutingAssembly().Location,
System.Guid.NewGuid().ToString()
);
}
else
{
XmlDocumentContents = System.String.Format
(
Microsoft.Samples.FeedSync.Constants.RSS_FEED_TEMPLATE,
Microsoft.Samples.FeedSync.MiscHelpers.XMLEncode(i_Title),
Microsoft.Samples.FeedSync.MiscHelpers.XMLEncode(i_Description),
Microsoft.Samples.FeedSync.MiscHelpers.XMLEncode(i_Link)
);
}
m_XmlDocument = new System.Xml.XmlDocument();
m_XmlDocument.LoadXml(XmlDocumentContents);
m_XmlNamespaceManager = new System.Xml.XmlNamespaceManager(m_XmlDocument.NameTable);
this.InitializeXmlNamespaceManager(false);
m_FeedType = i_FeedType;
if (m_FeedType == Microsoft.Samples.FeedSync.Feed.FeedTypes.Atom)
{
m_FeedItemXPathQuery = System.String.Format
(
"{0}:{1}",
m_AtomNamespacePrefix,
Microsoft.Samples.FeedSync.Constants.ATOM_FEED_ITEM_ELEMENT_NAME
);
if (m_XmlNamespaceManager.DefaultNamespace == Microsoft.Samples.FeedSync.Constants.ATOM_XML_NAMESPACE_URI)
m_FeedItemElementName = Microsoft.Samples.FeedSync.Constants.ATOM_FEED_ITEM_ELEMENT_NAME;
else
m_FeedItemElementName = m_FeedItemXPathQuery;
}
else
{
m_FeedItemXPathQuery = Microsoft.Samples.FeedSync.Constants.RSS_FEED_ITEM_ELEMENT_NAME;
m_FeedItemElementName = m_FeedItemXPathQuery;
}
this.Initialize();
}
