//============================================================
// 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
//------------------------------------------------------------
BlogMLComment value = obj as BlogMLComment;
if (value != null)
{
int result = this.Content.CompareTo(value.Content);
result = result | String.Compare(this.UserEmailAddress, value.UserEmailAddress, StringComparison.OrdinalIgnoreCase);
result = result | String.Compare(this.UserName, value.UserName, StringComparison.OrdinalIgnoreCase);
result = result | Uri.Compare(this.UserUrl, value.UserUrl, UriComponents.AbsoluteUri, UriFormat.SafeUnescaped, StringComparison.OrdinalIgnoreCase);
result = result | BlogMLUtility.CompareCommonObjects(this, value);
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>
/// 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);
}
BlogMLComment value = obj as BlogMLComment;
if (value != null)
{
int result = this.Content.CompareTo(value.Content);
result = result | String.Compare(this.UserEmailAddress, value.UserEmailAddress, StringComparison.OrdinalIgnoreCase);
result = result | String.Compare(this.UserName, value.UserName, StringComparison.OrdinalIgnoreCase);
result = result | Uri.Compare(this.UserUrl, value.UserUrl, UriComponents.AbsoluteUri, UriFormat.SafeUnescaped, StringComparison.OrdinalIgnoreCase);
result = result | BlogMLUtility.CompareCommonObjects(this, value);
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>
/// Modifies the <see cref="BlogMLPost"/> collection entities to match the supplied <see cref="XPathNavigator"/> data source.
/// </summary>
/// <param name="post">The <see cref="BlogMLPost"/> to be filled.</param>
/// <param name="source">The <see cref="XPathNavigator"/> to extract information from.</param>
/// <param name="manager">The <see cref="XmlNamespaceManager"/> used to resolve XML namespace prefixes.</param>
/// <param name="settings">The <see cref="SyndicationResourceLoadSettings"/> used to configure the load operation.</param>
/// <remarks>
/// This method expects the supplied <paramref name="source"/> to be positioned on the XML element that represents a <see cref="BlogMLPost"/>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="post"/> is a null reference (Nothing in Visual Basic).</exception>
/// <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>
/// <exception cref="ArgumentNullException">The <paramref name="settings"/> is a null reference (Nothing in Visual Basic).</exception>
private static bool FillPostCollections(BlogMLPost post, XPathNavigator source, XmlNamespaceManager manager, SyndicationResourceLoadSettings settings)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasLoaded = false;
//------------------------------------------------------------
// Validate parameters
//------------------------------------------------------------
Guard.ArgumentNotNull(post, "post");
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
Guard.ArgumentNotNull(settings, "settings");
//------------------------------------------------------------
// Attempt to extract syndication information
//------------------------------------------------------------
XPathNodeIterator categoriesIterator = source.Select("blog:categories/blog:category", manager);
XPathNodeIterator commentsIterator = source.Select("blog:comments/blog:comment", manager);
XPathNodeIterator trackbacksIterator = source.Select("blog:trackbacks/blog:trackback", manager);
XPathNodeIterator attachmentsIterator = source.Select("blog:attachments/blog:attachment", manager);
XPathNodeIterator authorsIterator = source.Select("blog:authors/blog:author", manager);
if (categoriesIterator != null && categoriesIterator.Count > 0)
{
while (categoriesIterator.MoveNext())
{
string referenceId = categoriesIterator.Current.GetAttribute("ref", String.Empty);
if (!String.IsNullOrEmpty(referenceId))
{
post.Categories.Add(referenceId);
wasLoaded = true;
}
}
}
if (commentsIterator != null && commentsIterator.Count > 0)
{
while (commentsIterator.MoveNext())
{
BlogMLComment comment = new BlogMLComment();
if (comment.Load(commentsIterator.Current, settings))
{
post.Comments.Add(comment);
wasLoaded = true;
}
}
}
if (trackbacksIterator != null && trackbacksIterator.Count > 0)
{
while (trackbacksIterator.MoveNext())
{
BlogMLTrackback trackback = new BlogMLTrackback();
if (trackback.Load(trackbacksIterator.Current, settings))
{
post.Trackbacks.Add(trackback);
wasLoaded = true;
}
}
}
if (attachmentsIterator != null && attachmentsIterator.Count > 0)
{
while (attachmentsIterator.MoveNext())
{
BlogMLAttachment attachment = new BlogMLAttachment();
if (attachment.Load(attachmentsIterator.Current, settings))
{
post.Attachments.Add(attachment);
wasLoaded = true;
}
}
}
if (authorsIterator != null && authorsIterator.Count > 0)
{
while (authorsIterator.MoveNext())
{
string referenceId = authorsIterator.Current.GetAttribute("ref", String.Empty);
if (!String.IsNullOrEmpty(referenceId))
{
post.Authors.Add(referenceId);
wasLoaded = true;
}
}
}
return wasLoaded;
}
//============================================================
// CLASS SUMMARY
//============================================================
/// <summary>
/// Provides example code for the BlogMLPost class.
/// </summary>
public static void ClassExample()
{
#region BlogMLPost
BlogMLDocument document = new BlogMLDocument();
document.RootUrl = new Uri("/blogs/default.aspx");
document.GeneratedOn = new DateTime(2006, 9, 5, 18, 22, 10);
document.Title = new BlogMLTextConstruct("BlogML 2.0 Example");
document.Subtitle = new BlogMLTextConstruct("This is some sample blog content for BlogML 2.0");
BlogMLAuthor administrator = new BlogMLAuthor();
administrator.Id = "2100";
administrator.CreatedOn = new DateTime(2006, 8, 10, 8, 44, 35);
administrator.LastModifiedOn = new DateTime(2006, 9, 4, 13, 46, 38);
administrator.ApprovalStatus = BlogMLApprovalStatus.Approved;
administrator.EmailAddress = "*****@*****.**";
administrator.Title = new BlogMLTextConstruct("admin");
document.Authors.Add(administrator);
document.ExtendedProperties.Add("CommentModeration", "Anonymous");
document.ExtendedProperties.Add("SendTrackback", "yes");
BlogMLCategory category1 = new BlogMLCategory();
category1.Id = "1018";
category1.CreatedOn = new DateTime(2006, 9, 5, 17, 54, 58);
category1.LastModifiedOn = new DateTime(2006, 9, 5, 17, 54, 58);
category1.ApprovalStatus = BlogMLApprovalStatus.Approved;
category1.Description = "Sample Category 1";
category1.ParentId = "0";
category1.Title = new BlogMLTextConstruct("Category 1");
document.Categories.Add(category1);
BlogMLCategory category2 = new BlogMLCategory();
category2.Id = "1019";
category2.CreatedOn = new DateTime(2006, 9, 5, 17, 54, 59);
category2.LastModifiedOn = new DateTime(2006, 9, 5, 17, 54, 59);
category2.ApprovalStatus = BlogMLApprovalStatus.Approved;
category2.Description = "Sample Category 2";
category2.ParentId = "0";
category2.Title = new BlogMLTextConstruct("Category 2");
document.Categories.Add(category2);
BlogMLCategory category3 = new BlogMLCategory();
category3.Id = "1020";
category3.CreatedOn = new DateTime(2006, 9, 5, 17, 55, 0);
category3.LastModifiedOn = new DateTime(2006, 9, 5, 17, 55, 0);
category3.ApprovalStatus = BlogMLApprovalStatus.NotApproved;
category3.Description = "Sample Category 3";
category3.ParentId = "0";
category3.Title = new BlogMLTextConstruct("Category 3");
document.Categories.Add(category3);
// Create a blog entry
BlogMLPost post = new BlogMLPost();
post.Id = "34";
post.CreatedOn = new DateTime(2006, 9, 5, 3, 19, 0);
post.LastModifiedOn = new DateTime(2006, 9, 5, 3, 19, 0);
post.ApprovalStatus = BlogMLApprovalStatus.Approved;
post.Url = new Uri("/blogs/archive/2006/09/05/Sample-Blog-Post.aspx");
post.PostType = BlogMLPostType.Normal;
post.Views = "0";
post.Title = new BlogMLTextConstruct("Sample Blog Post");
post.Content = new BlogMLTextConstruct("<p>This is <b>HTML encoded</b> content. </p>", BlogMLContentType.Html);
post.Name = new BlogMLTextConstruct("Sample Blog Post");
post.Categories.Add("1018");
post.Categories.Add("1020");
post.Authors.Add("2100");
BlogMLComment comment = new BlogMLComment();
comment.Id = "35";
comment.CreatedOn = new DateTime(2006, 9, 5, 11, 36, 50);
comment.LastModifiedOn = new DateTime(2006, 9, 5, 11, 36, 50);
comment.Title = new BlogMLTextConstruct("re: Sample Blog Post");
comment.Content = new BlogMLTextConstruct("This is a test comment.");
post.Comments.Add(comment);
#endregion
}
