/// <summary>
        /// Modifies the <see cref="AtomEntry"/> 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>
        private static void FillEntry(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 fill syndication resource
            //------------------------------------------------------------
            AtomUtility.FillCommonObjectAttributes(entry, source);

            XPathNavigator idNavigator      = source.SelectSingleNode("atom:id", manager);
            XPathNavigator titleNavigator   = source.SelectSingleNode("atom:title", manager);
            XPathNavigator updatedNavigator = source.SelectSingleNode("atom:updated", manager);

            if (idNavigator != null)
            {
                entry.Id    = new AtomId();
                entry.Id.Load(idNavigator, settings);
            }

            if (titleNavigator != null)
            {
                entry.Title = new AtomTextConstruct();
                entry.Title.Load(titleNavigator, settings);
            }

            if (updatedNavigator != null)
            {
                DateTime updatedOn;
                if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(updatedNavigator.Value, out updatedOn))
                {
                    entry.UpdatedOn = updatedOn;
                }
            }

            Atom10SyndicationResourceAdapter.FillEntryOptionals(entry, source, manager, settings);
            Atom10SyndicationResourceAdapter.FillEntryCollections(entry, source, manager, settings);

            SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(source, settings);
            adapter.Fill(entry, manager);
        }
Ejemplo n.º 2
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        /// <summary>
        /// Loads this <see cref="AtomSource"/> using the supplied <see cref="XPathNavigator"/> and <see cref="SyndicationResourceLoadSettings"/>.
        /// </summary>
        /// <param name="source">The <see cref="XPathNavigator"/> to extract information from.</param>
        /// <param name="settings">The <see cref="SyndicationResourceLoadSettings"/> used to configure the load operation.</param>
        /// <returns><b>true</b> if the <see cref="AtomSource"/> 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="AtomSource"/>.
        /// </remarks>
        /// <exception cref="ArgumentNullException">The <paramref name="source"/> 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>
        public bool Load(XPathNavigator source, SyndicationResourceLoadSettings settings)
        {
            //------------------------------------------------------------
            //	Local members
            //------------------------------------------------------------
            bool wasLoaded  = false;

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

            //------------------------------------------------------------
            //	Attempt to extract syndication information
            //------------------------------------------------------------
            wasLoaded   = this.Load(source);

            //------------------------------------------------------------
            //	Attempt to extract syndication extension information
            //------------------------------------------------------------
            SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(source, settings);
            adapter.Fill(this);

            return wasLoaded;
        }
        /// <summary>
        /// Modifies the <see cref="AtomFeed"/> to match the data source.
        /// </summary>
        /// <param name="resource">The <see cref="AtomFeed"/> to be filled.</param>
        /// <exception cref="ArgumentNullException">The <paramref name="resource"/> is a null reference (Nothing in Visual Basic).</exception>
        public void Fill(AtomFeed resource)
        {
            //------------------------------------------------------------
            //	Validate parameter
            //------------------------------------------------------------
            Guard.ArgumentNotNull(resource, "resource");

            //------------------------------------------------------------
            //	Create namespace resolver
            //------------------------------------------------------------
            XmlNamespaceManager manager     = AtomUtility.CreateNamespaceManager(this.Navigator.NameTable);

            //------------------------------------------------------------
            //	Attempt to fill syndication resource
            //------------------------------------------------------------
            XPathNavigator feedNavigator    = this.Navigator.SelectSingleNode("atom:feed", manager);

            if (feedNavigator != null)
            {
                AtomUtility.FillCommonObjectAttributes(resource, feedNavigator);

                XPathNavigator idNavigator      = feedNavigator.SelectSingleNode("atom:id", manager);
                XPathNavigator titleNavigator   = feedNavigator.SelectSingleNode("atom:title", manager);
                XPathNavigator updatedNavigator = feedNavigator.SelectSingleNode("atom:updated", manager);

                if (idNavigator != null)
                {
                    resource.Id = new AtomId();
                    resource.Id.Load(idNavigator, this.Settings);
                }

                if (titleNavigator != null)
                {
                    resource.Title  = new AtomTextConstruct();
                    resource.Title.Load(titleNavigator, this.Settings);
                }

                if (updatedNavigator != null)
                {
                    DateTime updatedOn;
                    if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(updatedNavigator.Value, out updatedOn))
                    {
                        resource.UpdatedOn  = updatedOn;
                    }
                }

                Atom10SyndicationResourceAdapter.FillFeedOptionals(resource, feedNavigator, manager, this.Settings);
                Atom10SyndicationResourceAdapter.FillFeedCollections(resource, feedNavigator, manager, this.Settings);

                SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(feedNavigator, this.Settings);
                adapter.Fill(resource, manager);
            }
        }