ResourceCollectionInfo.cs :  » 2.6.4-mono-.net-core » System.ServiceModel » System » ServiceModel » Syndication » C# / CSharp Open Source

//
// ResourceCollectionInfo.cs
//
// Author:
//  Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2009 Novell, Inc.  http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.Xml;

namespace System.ServiceModel.Syndication{
  public class ResourceCollectionInfo
  {
    public ResourceCollectionInfo ()
    {
      Accepts = new Collection<string> ();
      Categories = new Collection<CategoriesDocument> ();
    }

    public ResourceCollectionInfo (TextSyndicationContent title, Uri link)
      : this ()
    {
      Title = title;
      Link = link;
    }

    public ResourceCollectionInfo (string title, Uri link)
      : this (new TextSyndicationContent (title), link)
    {
    }

    public ResourceCollectionInfo (TextSyndicationContent title, Uri link, IEnumerable<CategoriesDocument> categories, bool allowsNewEntries)
      : this (title, link)
    {
      if (categories == null)
        throw new ArgumentNullException ("categories");

      foreach (var c in categories)
        Categories.Add (c);
      allow_new_entries = allowsNewEntries;
    }

    public ResourceCollectionInfo (TextSyndicationContent title, Uri link, IEnumerable<CategoriesDocument> categories, IEnumerable<string> accepts)
      : this (title, link, categories, true)
    {
      if (accepts == null)
        throw new ArgumentNullException ("accepts");
      foreach (var a in accepts)
        Accepts.Add (a);
    }

    bool allow_new_entries;
    SyndicationExtensions extensions = new SyndicationExtensions ();

    public Collection<string> Accepts { get; private set; }

    public Dictionary<XmlQualifiedName, string> AttributeExtensions {
      get { return extensions.Attributes; }
    }

    public Uri BaseUri { get; set; }

    public Collection<CategoriesDocument> Categories { get; private set; }

    public SyndicationElementExtensionCollection ElementExtensions {
      get { return extensions.Elements; }
    }

    public Uri Link { get; set; }

    public TextSyndicationContent Title { get; set; }


    protected internal virtual InlineCategoriesDocument CreateInlineCategoriesDocument ()
    {
      return new InlineCategoriesDocument ();
    }

    protected internal virtual ReferencedCategoriesDocument CreateReferencedCategoriesDocument ()
    {
      return new ReferencedCategoriesDocument ();
    }

    protected internal virtual bool TryParseAttribute (string name, string ns, string value, string version)
    {
      if (name == "base" && ns == Namespaces.Xml)
        BaseUri = new Uri (value, UriKind.RelativeOrAbsolute);
      else if (name == "href" && ns == String.Empty)
        Link = new Uri (value, UriKind.RelativeOrAbsolute);
      else
        return false;
      return true;
    }

    protected internal virtual bool TryParseElement (XmlReader reader, string version)
    {
      if (reader == null)
        throw new ArgumentNullException ("reader");
      reader.MoveToContent ();

      if (reader.LocalName != "collection" || reader.NamespaceURI != version)
        return false;

      for (int i = 0; i < reader.AttributeCount; i++) {
        reader.MoveToAttribute (i);
        if (!TryParseAttribute (reader.LocalName, reader.NamespaceURI, reader.Value, version))
          AttributeExtensions.Add (new XmlQualifiedName (reader.LocalName, reader.NamespaceURI), reader.Value);
      }
      reader.MoveToElement ();

      if (!reader.IsEmptyElement) {
        reader.Read ();
        for (reader.MoveToContent (); reader.NodeType != XmlNodeType.EndElement; reader.MoveToContent ()) {
          if (reader.LocalName == "title" && reader.NamespaceURI == Namespaces.Atom10)
            Title = Atom10FeedFormatter.ReadTextSyndicationContent (reader);
          else
            ElementExtensions.Add (new SyndicationElementExtension (reader));
        }
      }
      reader.Read ();
      return true;
    }

    protected internal virtual void WriteAttributeExtensions (XmlWriter writer, string version)
    {
      extensions.WriteAttributeExtensions (writer, version);
    }

    protected internal virtual void WriteElementExtensions (XmlWriter writer, string version)
    {
      extensions.WriteElementExtensions (writer, version);
    }
  }
}