/[xmltv_parser]/trunk/libxmltv/Core/XMLTVChannel.cs
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Contents of /trunk/libxmltv/Core/XMLTVChannel.cs

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Revision 78 - (show annotations) (download)
Sat Mar 9 11:36:24 2013 UTC (6 years, 4 months ago) by william
File size: 3768 byte(s)

1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using libxmltv.Interfaces;
6 using System.Xml.Linq;
7 using System.Reflection;
8 using System.IO;
9 using System.Diagnostics;
10
11 namespace libxmltv.Core
12 {
13 [Serializable]
14 internal class XMLTVChannel : XMLTVBase<XMLTVRuntimeInstance>, IXMLTVChannel
15 {
16 public XMLTVChannel() : base(null,XMLTVConstants.CHANNEL_ELEMENT)
17 {
18 Id = string.Empty;
19 Number = 0;
20 CallSign = string.Empty;
21 Name = string.Empty;
22 }
23 public XMLTVChannel(XMLTVRuntimeInstance instance, XElement node)
24 : base(instance, XMLTVConstants.CHANNEL_ELEMENT)
25 {
26 try
27 {
28 xmltv_logger.Verbose.Debug.WriteLine("Creating Instance of XMLTVChannel");
29 Create(node);
30 xmltv_logger.Verbose.Debug.WriteLine("Created Instance of XMLTVChannel");
31 UpdateInstance();
32 }
33 catch (IOException ex) { Debug.WriteLine(ex.ToString()); }
34 }
35 #region IXMLTVChannel members
36 public string Id { get; private set; }
37 public int Number { get; private set; }
38 public string CallSign { get; private set; }
39 public string Name { get; private set; }
40 #endregion
41 public override string ToString()
42 {
43 return string.Format("{0}: {1} {2} ({3})", Id, Number, Name, CallSign);
44 }
45
46 private void UpdateInstance()
47 {
48 bool found_field = false;
49 var instance_type = this.GetInstance().GetType();
50 var fields = instance_type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
51 foreach (var field in fields)
52 {
53 if (field.FieldType == typeof(List<IXMLTVChannel>))
54 {
55 found_field = true;
56 try
57 {
58 var list = (List<IXMLTVChannel>)field.GetValue(this.GetInstance());
59 list.Add(this);
60 xmltv_logger.Verbose.Debug.WriteLine("Updating instance with channel information: {0}", this.ToString());
61 field.SetValue(this.GetInstance(), list);
62 break;
63 }
64 catch (Exception ex)
65 {
66 xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with channel information.");
67 xmltv_logger.Verbose.Error.WriteLine(ex.ToString());
68 }
69 }
70 }
71 if (!found_field)
72 {
73 xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with channel information.");
74 }
75 }
76
77 private void Create(XElement node)
78 {
79 // get the channel id
80 Id = node.Attribute(XMLTVConstants.Channels.ChannelId).Value;
81 xmltv_logger.Verbose.Debug.WriteLine("\tchannel_id: {0}", Id);
82 var names = node.Descendants(XMLTVConstants.Channels.ChannelDisplayName).ToList();
83 Number = Convert.ToInt32(names[1].Value);
84 xmltv_logger.Verbose.Debug.WriteLine("\tchannel_number: {0}", Number);
85 CallSign = names[2].Value;
86 xmltv_logger.Verbose.Debug.WriteLine("\tchannel_callsign: {0}", CallSign);
87 Name = names[3].Value;
88 xmltv_logger.Verbose.Debug.WriteLine("\tchannel_name: {0}", Name);
89 }
90 }
91
92 }

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