//============================================================
// 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
//------------------------------------------------------------
LiveJournalSecurity value = obj as LiveJournalSecurity;
if (value != null)
{
int result = this.Accessibility.CompareTo(value.Accessibility);
result = this.Mask.CompareTo(value.Mask);
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="LiveJournalSecurity"/> 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>
public void WriteTo(XmlWriter writer)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(writer, "writer");
//------------------------------------------------------------
// Create extension instance to retrieve XML namespace
//------------------------------------------------------------
LiveJournalSyndicationExtension extension = new LiveJournalSyndicationExtension();
//------------------------------------------------------------
// Write XML representation of the current instance
//------------------------------------------------------------
writer.WriteStartElement("security", extension.XmlNamespace);
writer.WriteAttributeString("type", LiveJournalSecurity.AccessibilityAsString(this.Accessibility));
if (this.Mask != Int32.MinValue)
{
writer.WriteAttributeString("mask", this.Mask.ToString(System.Globalization.NumberFormatInfo.InvariantInfo));
}
writer.WriteEndElement();
}
/// <summary>
/// Loads this <see cref="LiveJournalSecurity"/> using the supplied <see cref="XPathNavigator"/>.
/// </summary>
/// <param name="source">The <see cref="XPathNavigator"/> to extract information from.</param>
/// <returns><b>true</b> if the <see cref="LiveJournalSecurity"/> was initialized using the supplied <paramref name="source"/>, otherwise <b>false</b>.</returns>
/// <remarks>
/// This method expects the supplied <paramref name="source"/> to be positioned on the XML element that represents a <see cref="LiveJournalSecurity"/>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> is a null reference (Nothing in Visual Basic).</exception>
public bool Load(XPathNavigator source)
{
bool wasLoaded = false;
Guard.ArgumentNotNull(source, "source");
if (source.HasAttributes)
{
string typeAttribute = source.GetAttribute("type", String.Empty);
string maskAttribute = source.GetAttribute("mask", String.Empty);
if (!String.IsNullOrEmpty(typeAttribute))
{
LiveJournalSecurityType accessLevel = LiveJournalSecurity.AccessibilityByName(typeAttribute);
if (accessLevel != LiveJournalSecurityType.None)
{
this.Accessibility = accessLevel;
wasLoaded = true;
}
}
if (!String.IsNullOrEmpty(maskAttribute))
{
int mask;
if (Int32.TryParse(maskAttribute, System.Globalization.NumberStyles.Integer, System.Globalization.NumberFormatInfo.InvariantInfo, out mask))
{
this.Mask = mask;
wasLoaded = true;
}
}
}
return(wasLoaded);
}
/// <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="LiveJournalSyndicationExtensionContext"/>.</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="LiveJournalSyndicationExtensionContext"/> 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)
{
bool wasLoaded = false;
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
if (source.HasChildren)
{
XPathNavigator musicNavigator = source.SelectSingleNode("lj:music", manager);
XPathNavigator moodNavigator = source.SelectSingleNode("lj:mood", manager);
XPathNavigator securityNavigator = source.SelectSingleNode("lj:security", manager);
XPathNavigator userPictureNavigator = source.SelectSingleNode("lj:userpic", manager);
XPathNavigator preformattedNavigator = source.SelectSingleNode("lj:preformatted", manager);
if (musicNavigator != null && !String.IsNullOrEmpty(musicNavigator.Value))
{
this.Music = musicNavigator.Value;
wasLoaded = true;
}
if (moodNavigator != null)
{
LiveJournalMood mood = new LiveJournalMood();
if (mood.Load(moodNavigator))
{
this.Mood = mood;
wasLoaded = true;
}
}
if (securityNavigator != null)
{
LiveJournalSecurity security = new LiveJournalSecurity();
if (security.Load(securityNavigator))
{
this.Security = security;
wasLoaded = true;
}
}
if (userPictureNavigator != null)
{
LiveJournalUserPicture userPicture = new LiveJournalUserPicture();
if (userPicture.Load(userPictureNavigator))
{
this.UserPicture = userPicture;
wasLoaded = true;
}
}
if (preformattedNavigator != null)
{
this.IsPreformatted = true;
wasLoaded = true;
}
}
return(wasLoaded);
}
/// <summary>
/// Saves the current <see cref="LiveJournalSecurity"/> 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>
public void WriteTo(XmlWriter writer)
{
Guard.ArgumentNotNull(writer, "writer");
LiveJournalSyndicationExtension extension = new LiveJournalSyndicationExtension();
writer.WriteStartElement("security", extension.XmlNamespace);
writer.WriteAttributeString("type", LiveJournalSecurity.AccessibilityAsString(this.Accessibility));
if (this.Mask != Int32.MinValue)
{
writer.WriteAttributeString("mask", this.Mask.ToString(System.Globalization.NumberFormatInfo.InvariantInfo));
}
writer.WriteEndElement();
}
/// <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 (obj == null)
{
return(1);
}
LiveJournalSecurity value = obj as LiveJournalSecurity;
if (value != null)
{
int result = this.Accessibility.CompareTo(value.Accessibility);
result = this.Mask.CompareTo(value.Mask);
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");
}
}
