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 1Using#region Using
 2
 3using System;
 4using System.Xml;
 5using System.IO;
 6using System.Collections.Generic;
 7using System.Collections.Specialized;
 8using LiveBlog.Core;
 9
10#endregion
11
12namespace LiveBlog.Core.Providers
13...{
14  /**//// <summary>
15  /// A storage provider for BlogEngine that uses XML files.
16  /// <remarks>
17  /// To build another provider, you can just copy and modify
18  /// this one. Then add it to the web.config's BlogEngine section.
19  /// </remarks>
20  /// </summary>
21  public partial class XmlBlogProvider : BlogProvider
22  ...{
23
24    /**//// <summary>
25    /// Loads the ping services.
26    /// </summary>
27    /// <returns></returns>
28    public override StringCollection LoadPingServices()
29    ...{
30      string fileName = _Folder + "pingservices.xml";
31      if (!File.Exists(fileName))
32        return new StringCollection();
33
34      StringCollection col = new StringCollection();
35      XmlDocument doc = new XmlDocument();
36      doc.Load(fileName);
37
38      foreach (XmlNode node in doc.SelectNodes("services/service"))
39      ...{
40        if (!col.Contains(node.InnerText))
41          col.Add(node.InnerText);
42      }
43
44      return col;
45    }
46
47    /**//// <summary>
48    /// Saves the ping services.
49    /// </summary>
50    /// <param name="services">The services.</param>
51    public override void SavePingServices(StringCollection services)
52    ...{
53      if (services == null)
54        throw new ArgumentNullException("services");
55
56      string fileName = _Folder + "pingservices.xml";
57
58      using (XmlTextWriter writer = new XmlTextWriter(fileName, System.Text.Encoding.UTF8))
59      ...{
60        writer.Formatting = Formatting.Indented;
61        writer.Indentation = 4;
62        writer.WriteStartDocument(true);
63        writer.WriteStartElement("services");
64
65        foreach (string service in services)
66        ...{
67          writer.WriteElementString("service", service);
68        }
69
70        writer.WriteEndElement();
71      }
72    }
73
74  }
75}
76