/// <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 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  = Atom03SyndicationResourceAdapter.CreatePerson(authorIterator.Current, manager, settings);
                    feed.Authors.Add(author);
                }
            }

            if (contributorIterator != null && contributorIterator.Count > 0)
            {
                while (contributorIterator.MoveNext())
                {
                    AtomPersonConstruct contributor = Atom03SyndicationResourceAdapter.CreatePerson(contributorIterator.Current, manager, settings);
                    feed.Contributors.Add(contributor);
                }
            }

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

                    Atom03SyndicationResourceAdapter.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);
                    }
                }
            }
        }
Beispiel #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="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 an Atom 0.3 element.
        /// </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 contributorIterator   = source.Select("atom:contributor", manager);
            XPathNodeIterator linkIterator          = source.Select("atom:link", manager);

            if (authorIterator != null && authorIterator.Count > 0)
            {
                while (authorIterator.MoveNext())
                {
                    AtomPersonConstruct author  = Atom03SyndicationResourceAdapter.CreatePerson(authorIterator.Current, manager, settings);
                    entry.Authors.Add(author);
                }
            }

            if (contributorIterator != null && contributorIterator.Count > 0)
            {
                while (contributorIterator.MoveNext())
                {
                    AtomPersonConstruct contributor = Atom03SyndicationResourceAdapter.CreatePerson(contributorIterator.Current, manager, 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);
                    }
                }
            }
        }
Beispiel #4
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)
        {
            bool wasLoaded = false;

            Guard.ArgumentNotNull(source, "source");
            Guard.ArgumentNotNull(manager, "manager");
            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);
        }