Ejemplo n.º 1
0
        //============================================================
        //	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
            //------------------------------------------------------------
            AtomLink value = obj as AtomLink;

            if (value != null)
            {
                int result = this.Length.CompareTo(value.Length);
                result = result | String.Compare(this.ContentType, value.ContentType, StringComparison.OrdinalIgnoreCase);
                result = result | String.Compare(this.Relation, value.Relation, StringComparison.OrdinalIgnoreCase);

                string sourceLanguageName = this.ContentLanguage != null ? this.ContentLanguage.Name : String.Empty;
                string targetLanguageName = value.ContentLanguage != null ? value.ContentLanguage.Name : String.Empty;
                result = result | String.Compare(sourceLanguageName, targetLanguageName, StringComparison.OrdinalIgnoreCase);

                result = result | String.Compare(this.Title, value.Title, StringComparison.OrdinalIgnoreCase);
                result = result | Uri.Compare(this.Uri, value.Uri, UriComponents.AbsoluteUri, UriFormat.SafeUnescaped, StringComparison.OrdinalIgnoreCase);

                result = result | AtomUtility.CompareCommonObjectAttributes(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");
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Loads this <see cref="AtomSource"/> collection elements using the supplied <see cref="XPathNavigator"/>.
        /// </summary>
        /// <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>
        /// <returns><b>true</b> if the <see cref="AtomSource"/> collection entities were 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="AtomSource"/>.
        /// </remarks>
        /// <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>
        private bool LoadCollections(XPathNavigator source, XmlNamespaceManager manager)
        {
            //------------------------------------------------------------
            //	Local members
            //------------------------------------------------------------
            bool wasLoaded              = false;

            //------------------------------------------------------------
            //	Validate parameter
            //------------------------------------------------------------
            Guard.ArgumentNotNull(source, "source");
            Guard.ArgumentNotNull(manager, "manager");

            //------------------------------------------------------------
            //	Attempt to extract syndication information
            //------------------------------------------------------------
            XPathNodeIterator authorIterator        = source.Select("atom:author", manager);
            XPathNodeIterator contributorIterator   = source.Select("atom:contributor", manager);
            XPathNodeIterator categoryIterator      = source.Select("atom:category", manager);
            XPathNodeIterator linkIterator          = source.Select("atom:link", manager);

            if (authorIterator != null && authorIterator.Count > 0)
            {
                while (authorIterator.MoveNext())
                {
                    AtomPersonConstruct author  = new AtomPersonConstruct();
                    if (author.Load(authorIterator.Current))
                    {
                        this.Authors.Add(author);
                        wasLoaded   = true;
                    }
                }
            }

            if (categoryIterator != null && categoryIterator.Count > 0)
            {
                while (categoryIterator.MoveNext())
                {
                    AtomCategory category   = new AtomCategory();
                    if (category.Load(categoryIterator.Current))
                    {
                        this.Categories.Add(category);
                        wasLoaded   = true;
                    }
                }
            }

            if (contributorIterator != null && contributorIterator.Count > 0)
            {
                while (contributorIterator.MoveNext())
                {
                    AtomPersonConstruct contributor = new AtomPersonConstruct();
                    if (contributor.Load(contributorIterator.Current))
                    {
                        this.Contributors.Add(contributor);
                        wasLoaded   = true;
                    }
                }
            }

            if (linkIterator != null && linkIterator.Count > 0)
            {
                while (linkIterator.MoveNext())
                {
                    AtomLink link   = new AtomLink();
                    if (link.Load(linkIterator.Current))
                    {
                        this.Links.Add(link);
                        wasLoaded   = true;
                    }
                }
            }

            return wasLoaded;
        }
        /// <summary>
        /// Modifies the <see cref="AtomFeed"/> collection entities to match the supplied <see cref="XPathNavigator"/> data source.
        /// </summary>
        /// <param name="feed">The <see cref="AtomFeed"/> 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 fill operation.</param>
        /// <remarks>
        ///     This method expects the supplied <paramref name="source"/> to be positioned on the XML element that represents a <see cref="AtomFeed"/>.
        /// </remarks>
        /// <exception cref="ArgumentNullException">The <paramref name="feed"/> 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 void FillFeedCollections(AtomFeed feed, XPathNavigator source, XmlNamespaceManager manager, SyndicationResourceLoadSettings settings)
        {
            //------------------------------------------------------------
            //	Validate parameter
            //------------------------------------------------------------
            Guard.ArgumentNotNull(feed, "feed");
            Guard.ArgumentNotNull(source, "source");
            Guard.ArgumentNotNull(manager, "manager");
            Guard.ArgumentNotNull(settings, "settings");

            //------------------------------------------------------------
            //	Attempt to extract syndication information
            //------------------------------------------------------------
            XPathNodeIterator authorIterator        = source.Select("atom:author", manager);
            XPathNodeIterator categoryIterator      = source.Select("atom:category", manager);
            XPathNodeIterator contributorIterator   = source.Select("atom:contributor", manager);
            XPathNodeIterator linkIterator          = source.Select("atom:link", manager);
            XPathNodeIterator entryIterator         = source.Select("atom:entry", manager);

            if (authorIterator != null && authorIterator.Count > 0)
            {
                while (authorIterator.MoveNext())
                {
                    AtomPersonConstruct author  = new AtomPersonConstruct();
                    if (author.Load(authorIterator.Current, settings))
                    {
                        feed.Authors.Add(author);
                    }
                }
            }

            if (categoryIterator != null && categoryIterator.Count > 0)
            {
                while (categoryIterator.MoveNext())
                {
                    AtomCategory category   = new AtomCategory();
                    if (category.Load(categoryIterator.Current, settings))
                    {
                        feed.Categories.Add(category);
                    }
                }
            }

            if (contributorIterator != null && contributorIterator.Count > 0)
            {
                while (contributorIterator.MoveNext())
                {
                    AtomPersonConstruct contributor = new AtomPersonConstruct();
                    if (contributor.Load(contributorIterator.Current, settings))
                    {
                        feed.Contributors.Add(contributor);
                    }
                }
            }

            if (entryIterator != null && entryIterator.Count > 0)
            {
                int counter = 0;
                while (entryIterator.MoveNext())
                {
                    AtomEntry entry = new AtomEntry();
                    counter++;

                    Atom10SyndicationResourceAdapter.FillEntry(entry, entryIterator.Current, manager, settings);

                    if (settings.RetrievalLimit != 0 && counter > settings.RetrievalLimit)
                    {
                        break;
                    }

                    ((Collection<AtomEntry>)feed.Entries).Add(entry);
                }
            }

            if (linkIterator != null && linkIterator.Count > 0)
            {
                while (linkIterator.MoveNext())
                {
                    AtomLink link   = new AtomLink();
                    if (link.Load(linkIterator.Current, settings))
                    {
                        feed.Links.Add(link);
                    }
                }
            }
        }
        /// <summary>
        /// Modifies the <see cref="AtomEntry"/> collection entities to match the supplied <see cref="XPathNavigator"/> data source.
        /// </summary>
        /// <param name="entry">The <see cref="AtomEntry"/> 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 fill operation.</param>
        /// <remarks>
        ///     This method expects the supplied <paramref name="source"/> to be positioned on the XML element that represents a <see cref="AtomEntry"/>.
        /// </remarks>
        /// <exception cref="ArgumentNullException">The <paramref name="entry"/> 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 void FillEntryCollections(AtomEntry entry, XPathNavigator source, XmlNamespaceManager manager, SyndicationResourceLoadSettings settings)
        {
            //------------------------------------------------------------
            //	Validate parameter
            //------------------------------------------------------------
            Guard.ArgumentNotNull(entry, "entry");
            Guard.ArgumentNotNull(source, "source");
            Guard.ArgumentNotNull(manager, "manager");
            Guard.ArgumentNotNull(settings, "settings");

            //------------------------------------------------------------
            //	Attempt to extract syndication information
            //------------------------------------------------------------
            XPathNodeIterator authorIterator        = source.Select("atom:author", manager);
            XPathNodeIterator categoryIterator      = source.Select("atom:category", manager);
            XPathNodeIterator contributorIterator   = source.Select("atom:contributor", manager);
            XPathNodeIterator linkIterator          = source.Select("atom:link", manager);

            if (authorIterator != null && authorIterator.Count > 0)
            {
                while (authorIterator.MoveNext())
                {
                    AtomPersonConstruct author  = new AtomPersonConstruct();
                    if (author.Load(authorIterator.Current, settings))
                    {
                        entry.Authors.Add(author);
                    }
                }
            }

            if (categoryIterator != null && categoryIterator.Count > 0)
            {
                while (categoryIterator.MoveNext())
                {
                    AtomCategory category   = new AtomCategory();
                    if (category.Load(categoryIterator.Current, settings))
                    {
                        entry.Categories.Add(category);
                    }
                }
            }

            if (contributorIterator != null && contributorIterator.Count > 0)
            {
                while (contributorIterator.MoveNext())
                {
                    AtomPersonConstruct contributor = new AtomPersonConstruct();
                    if (contributor.Load(contributorIterator.Current, settings))
                    {
                        entry.Contributors.Add(contributor);
                    }
                }
            }

            if (linkIterator != null && linkIterator.Count > 0)
            {
                while (linkIterator.MoveNext())
                {
                    AtomLink link   = new AtomLink();
                    if (link.Load(linkIterator.Current, settings))
                    {
                        entry.Links.Add(link);
                    }
                }
            }
        }