//============================================================
// ICOMPARABLE IMPLEMENTATION
//============================================================
#region CompareTo(object obj)
/// <summary>
/// Compares the current instance with another object of the same type.
/// </summary>
/// <param name="obj">An object to compare with this instance.</param>
/// <returns>A 32-bit signed integer that indicates the relative order of the objects being compared.</returns>
/// <exception cref="ArgumentException">The <paramref name="obj"/> is not the expected <see cref="Type"/>.</exception>
public int CompareTo(object obj)
{
//------------------------------------------------------------
// If target is a null reference, instance is greater
//------------------------------------------------------------
if (obj == null)
{
return(1);
}
//------------------------------------------------------------
// Determine comparison result using property state of objects
//------------------------------------------------------------
SyndicationResourceSaveSettings value = obj as SyndicationResourceSaveSettings;
if (value != null)
{
int result = String.Compare(this.CharacterEncoding.WebName, value.CharacterEncoding.WebName, StringComparison.OrdinalIgnoreCase);
result = result | this.MinimizeOutputSize.CompareTo(value.MinimizeOutputSize);
result = result | ComparisonUtility.CompareSequence(this.SupportedExtensions, value.SupportedExtensions);
result = result | this.AutoDetectExtensions.CompareTo(value.AutoDetectExtensions);
return(result);
}
else
{
throw new ArgumentException(String.Format(null, "obj is not of type {0}, type was found to be '{1}'.", this.GetType().FullName, obj.GetType().FullName), "obj");
}
}
/// <summary>
/// Saves the current <see cref="AtomFeed"/> collection entities to the specified <see cref="XmlWriter"/>.
/// </summary>
/// <param name="writer">The <see cref="XmlWriter"/> to which you want to save.</param>
/// <exception cref="ArgumentNullException">The <paramref name="writer"/> is a null reference (Nothing in Visual Basic).</exception>
private void WriteFeedCollections(XmlWriter writer)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
SyndicationResourceSaveSettings settings = new SyndicationResourceSaveSettings();
settings.AutoDetectExtensions = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(writer, "writer");
foreach (AtomLink link in this.Links)
{
link.WriteTo(writer);
}
foreach(AtomPersonConstruct author in this.Authors)
{
author.WriteTo(writer, "author");
}
foreach (AtomCategory category in this.Categories)
{
category.WriteTo(writer);
}
foreach (AtomPersonConstruct contributor in this.Contributors)
{
contributor.WriteTo(writer, "contributor");
}
}
/// <summary>
/// Saves the syndication resource to the specified <see cref="XmlWriter"/> and <see cref="SyndicationResourceSaveSettings"/>.
/// </summary>
/// <param name="writer">The <b>XmlWriter</b> to which you want to save the syndication resource.</param>
/// <param name="settings">The <see cref="SyndicationResourceSaveSettings"/> object used to configure the persistance of the <see cref="AtomFeed"/> instance.</param>
/// <exception cref="ArgumentNullException">The <paramref name="writer"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="settings"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="XmlException">The operation would not result in well formed XML for the syndication resource.</exception>
public void Save(XmlWriter writer, SyndicationResourceSaveSettings settings)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(writer, "writer");
Guard.ArgumentNotNull(settings, "settings");
//------------------------------------------------------------
// Save feed
//------------------------------------------------------------
writer.WriteStartElement("feed", AtomUtility.AtomNamespace);
// writer.WriteAttributeString("version", this.Version.ToString());
if (settings.AutoDetectExtensions)
{
SyndicationExtensionAdapter.FillExtensionTypes(this, settings.SupportedExtensions);
if (this.Generator != null)
{
SyndicationExtensionAdapter.FillExtensionTypes(this.Generator, settings.SupportedExtensions);
}
if (this.Icon != null)
{
SyndicationExtensionAdapter.FillExtensionTypes(this.Icon, settings.SupportedExtensions);
}
if (this.Id != null)
{
SyndicationExtensionAdapter.FillExtensionTypes(this.Id, settings.SupportedExtensions);
}
if (this.Logo != null)
{
SyndicationExtensionAdapter.FillExtensionTypes(this.Logo, settings.SupportedExtensions);
}
if (this.Rights != null)
{
SyndicationExtensionAdapter.FillExtensionTypes(this.Rights, settings.SupportedExtensions);
}
if (this.Subtitle != null)
{
SyndicationExtensionAdapter.FillExtensionTypes(this.Subtitle, settings.SupportedExtensions);
}
if (this.Title != null)
{
SyndicationExtensionAdapter.FillExtensionTypes(this.Title, settings.SupportedExtensions);
}
foreach (AtomPersonConstruct author in this.Authors)
{
SyndicationExtensionAdapter.FillExtensionTypes(author, settings.SupportedExtensions);
}
foreach (AtomCategory category in this.Categories)
{
SyndicationExtensionAdapter.FillExtensionTypes(category, settings.SupportedExtensions);
}
foreach (AtomPersonConstruct contributor in this.Contributors)
{
SyndicationExtensionAdapter.FillExtensionTypes(contributor, settings.SupportedExtensions);
}
foreach (AtomEntry entry in this.Entries)
{
SyndicationExtensionAdapter.FillExtensionTypes(entry, settings.SupportedExtensions);
}
foreach (AtomLink link in this.Links)
{
SyndicationExtensionAdapter.FillExtensionTypes(link, settings.SupportedExtensions);
}
}
SyndicationExtensionAdapter.WriteXmlNamespaceDeclarations(settings.SupportedExtensions, writer);
AtomUtility.WriteCommonObjectAttributes(this, writer);
if(this.Id != null)
{
this.Id.WriteTo(writer);
}
if (this.Title != null)
{
this.Title.WriteTo(writer, "title");
}
if(this.UpdatedOn != DateTime.MinValue)
{
writer.WriteElementString("updated", AtomUtility.AtomNamespace, SyndicationDateTimeUtility.ToRfc3339DateTime(this.UpdatedOn));
}
this.WriteFeedOptionals(writer);
this.WriteFeedCollections(writer);
//------------------------------------------------------------
// Write the syndication extensions of the current instance
//------------------------------------------------------------
SyndicationExtensionAdapter.WriteExtensionsTo(this.Extensions, writer);
foreach (AtomEntry entry in this.Entries)
{
entry.Save(writer, settings);
}
writer.WriteEndElement();
}
/// <summary>
/// Saves the syndication resource to the specified <see cref="Stream"/>.
/// </summary>
/// <param name="stream">The <b>Stream</b> to which you want to save the syndication resource.</param>
/// <param name="settings">The <see cref="SyndicationResourceSaveSettings"/> object used to configure the persistance of the <see cref="AtomFeed"/> instance. This value can be <b>null</b>.</param>
/// <exception cref="ArgumentNullException">The <paramref name="stream"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="XmlException">The operation would not result in well formed XML for the syndication resource.</exception>
public void Save(Stream stream, SyndicationResourceSaveSettings settings)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(stream, "stream");
if (settings == null)
{
settings = new SyndicationResourceSaveSettings();
}
//------------------------------------------------------------
// Create XmlWriter against supplied stream to save feed
//------------------------------------------------------------
XmlWriterSettings writerSettings = new XmlWriterSettings();
writerSettings.OmitXmlDeclaration = false;
writerSettings.Indent = !settings.MinimizeOutputSize;
writerSettings.Encoding = settings.CharacterEncoding;
using (XmlWriter writer = XmlWriter.Create(stream, writerSettings))
{
this.Save(writer, settings);
}
}
