/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
/// <summary>takes the updated entry returned and sets the properties to this object</summary>
/// <param name="updatedEntry"> </param>
//////////////////////////////////////////////////////////////////////
protected void CopyEntry(AtomEntry updatedEntry)
{
//Tracing.Assert(updatedEntry != null, "updatedEntry should not be null");
if (updatedEntry == null)
{
throw new ArgumentNullException("updatedEntry");
}
this.title = updatedEntry.Title;
this.authors = updatedEntry.Authors;
this.id = updatedEntry.Id;
this.links = updatedEntry.Links;
this.lastUpdateDate = updatedEntry.Updated;
this.publicationDate = updatedEntry.Published;
this.authors = updatedEntry.Authors;
this.rights = updatedEntry.Rights;
this.categories = updatedEntry.Categories;
this.summary = updatedEntry.Summary;
this.content = updatedEntry.Content;
this.source = updatedEntry.Source;
this.ExtensionElements.Clear();
foreach (IExtensionElementFactory extension in updatedEntry.ExtensionElements)
{
this.ExtensionElements.Add(extension);
}
}
///<summary>Standard type converter method</summary>
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, System.Type destinationType)
{
AtomContent content = value as AtomContent;
if (destinationType == typeof(System.String) && content != null)
{
return("Content-type: " + content.Type);
}
return(base.ConvertTo(context, culture, value, destinationType));
}
/////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
/// <summary>creates an AtomContent object by parsing an xml stream</summary>
/// <param name="reader">a XMLReader positioned correctly </param>
/// <param name="owner">the container element</param>
/// <returns> null or an AtomContent object</returns>
//////////////////////////////////////////////////////////////////////
protected AtomContent ParseContent(XmlReader reader, AtomBase owner)
{
//Tracing.Assert(reader != null, "reader should not be null");
if (reader == null)
{
throw new ArgumentNullException("reader");
}
if (owner == null)
{
throw new ArgumentNullException("owner");
}
AtomContent content = owner.CreateAtomSubElement(reader, this) as AtomContent;
//Tracing.TraceCall();
if (content != null)
{
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
object localname = reader.LocalName;
if (localname.Equals(this.nameTable.Type))
{
content.Type = Utilities.DecodedValue(reader.Value);
}
else if (localname.Equals(this.nameTable.Src))
{
content.Src = new AtomUri(reader.Value);
}
else
{
ParseBaseAttributes(reader, content);
}
}
}
if (MoveToStartElement(reader) == true)
{
if (content.Type.Equals("text") ||
content.Type.Equals("html") ||
content.Type.StartsWith("text/"))
{
// if it's text it get's just the string treatment. No
// subelements are allowed here
content.Content = Utilities.DecodedValue(reader.ReadString());
}
else if (content.Type.Equals("xhtml") ||
content.Type.Contains("/xml") ||
content.Type.Contains("+xml"))
{
// do not get childlists if the element is empty. That would skip to the next element
if (reader.IsEmptyElement == false)
{
// everything else will be nodes in the extension element list
// different media type. Create extension elements
int lvl = -1;
while (NextChildElement(reader, ref lvl))
{
ParseExtensionElements(reader, content);
}
}
}
else
{
// everything else SHOULD be base 64 encoded, so one big string
// i know the if statement could be combined with the text handling
// but i consider it clearer to make a 3 cases statement than combine them
content.Content = Utilities.DecodedValue(reader.ReadString());
}
}
}
return(content);
}
